XM-PX50WT [ETC]
Audio_ICs: ; Audio_ICs ：\n
ETC 
XM-PX50WT
SERVICE MANUAL
PORTABLE MINIDISC PLAYER
XM-PX50WT
Area Suffix
Hong Kong
UB
Contents
Safety Precautions
Important for laser products
Attention when
1-2
1-3
MD pick up is exchanged
Disassembly method
Adjustment method
Maintenance of laser pickup
Replacement of laser pickup
Description of major ICs
1-4
1-5
1-11
1-12
1-12
1-13~25
No.20902
Jan. 2001
COPYRIGHT 2001 VICTOR COMPANY OF JAPAN, LTD.
XM-PX50WT
1. This design of this product contains special hardware and many circuits and components specially
for safety purposes. For continued protection, no changes should be made to the original design
unless authorized in writing by the manufacturer. Replacement parts must be identical to those
used in the original circuits. Services should be performed by qualified personnel only.
2. Alterations of the design or circuitry of the product should not be made. Any design alterations of
the product should not be made. Any design alterations or additions will void the manufacturer`s
warranty and will further relieve the manufacture of responsibility for personal injury or property
damage resulting therefrom.
3. Many electrical and mechanical parts in the products have special safety-related characteristics.
These characteristics are often not evident from visual inspection nor can the protection afforded
by them necessarily be obtained by using replacement components rated for higher voltage,
wattage, etc. Replacement parts which have these special safety characteristics are identified in
the Parts List of Service Manual. Electrical components having such features are identified by
shading on the schematics and by ( ) on the Parts List in the Service Manual. The use of a
substitute replacement which does not have the same safety characteristics as the recommended
replacement parts shown in the Parts List of Service Manual may create shock, fire, or other
hazards.
4. The leads in the products are routed and dressed with ties, clamps, tubings, barriers and the
like to be separated from live parts, high temperature parts, moving parts and/or sharp edges
for the prevention of electric shock and fire hazard. When service is required, the original lead
routing and dress should be observed, and it should be confirmed that they have been returned
to normal, after re-assembling.
5. Leakage currnet check (Electrical shock hazard testing)
After re-assembling the product, always perform an isolation check on the exposed metal parts
of the product (antenna terminals, knobs, metal cabinet, screw heads, headphone jack, control
shafts, etc.) to be sure the product is safe to operate without danger of electrical shock.
Do not use a line isolation transformer during this check.
Plug the AC line cord directly into the AC outlet. Using a "Leakage Current Tester", measure
the leakage current from each exposed metal parts of the cabinet , particularly any exposed
metal part having a return path to the chassis, to a known good earth ground. Any leakage
current must not exceed 0.5mA AC (r.m.s.)
Alternate check method
Plug the AC line cord directly into the AC outlet. Use an AC voltmeter having, 1,000 ohms
per volt or more sensitivity in the following manner. Connect a 1,500 10W resistor paralleled by
a 0.15 F AC-type capacitor between an exposed
AC VOLTMETER
metal part and a known good earth ground.
(Having 1000
Measure the AC voltage across the resistor with the
AC voltmeter.
ohms/volts,
or more sensitivity)
Move the resistor connection to eachexposed metal
part, particularly any exposed metal part having a
return path to the chassis, and meausre the AC
voltage across the resistor. Now, reverse the plug in
the AC outlet and repeat each measurement. voltage
measured Any must not exceed 0.75 V AC (r.m.s.).
This corresponds to 0.5 mA AC (r.m.s.).
0.15 F AC TYPE
Place this
probe on
each exposed
metal part.
1500 10W
Good earth ground
1. This equipment has been designed and manufactured to meet international safety standards.
2. It is the legal responsibility of the repairer to ensure that these safety standards are maintained.
3. Repairs must be made in accordance with the relevant safety standards.
4. It is essential that safety critical components are replaced by approved parts.
5. If mains voltage selector is provided, check setting for local voltage.
Burrs formed during molding may be left over on some parts of the chassis. Therefore,
pay attention to such burrs in the case of preforming repair of this system.
!
1-2
XM-PX50WT
Important for laser products
5.CAUTION : If safety switches malfunction, the laser is able
1.CLASS 1 LASER PRODUCT
to function.
2.DANGER : Invisible laser radiation when open and inter
lock failed or defeated. Avoid direct exposure to beam.
3.CAUTION : There are no serviceable parts inside the
Laser Unit. Do not disassemble the Laser Unit. Replace
the complete Laser Unit if it malfunctions.
6.CAUTION : Use of controls, adjustments or performance of
procedures other than those specified herein may result in
hazardous radiation exposure.
4.CAUTION : The compact disc player uses invisible
laserradiation and is equipped with safety switches
whichprevent emission of radiation when the drawer is
open and the safety interlocks have failed or are de
feated. It is dangerous to defeat the safety switches.
Please use enough caution not to
see the beam directly or touch it
in case of an adjustment or operation
check.
CAUTION
!
VARNING : Osynlig laserstrålning är denna del är öppnad
ADVARSEL : Usynlig laserstråling ved åbning , når
sikkerhedsafbrydere er ude af funktion. Undgå
udsættelse for stråling.
och spårren är urkopplad. Betrakta ej strålen.
VARO
: Avattaessa ja suojalukitus ohitettaessa olet
alttiina näkymättömälle lasersäteilylle.Älä katso
säteeseen.
ADVARSEL : Usynlig laserstråling ved åpning,når
sikkerhetsbryteren er avslott. unngå utsettelse
for stråling.
REPRODUCTION AND POSITION OF LABELS
WARNING LABEL
DANGER : Invisibie laser radiation
when open and interlock or
defeated.
VARO : Avattaessa ja suojalukitus
ohitettaessa olet alttiina
näkymättömälle lasersäteilylle.Älä
AVOID DIRECT EXPOSURE TO
katso säteeseen.
(d)
BEAM
(e)
ADVARSEL :Usynlig laserstråling
ved åbning , når
VARNING : Osynlig laserstrålning är
denna del är öppnad och spårren är
urkopplad. Betrakta ej strålen. (s)
sikkerhedsafbrydere er ude af
funktion. Undgå udsættelse for
stråling.
(f)
1-3
XM-PX50WT
Attention when MD pickup is exchanged
1. About the static electricity protection measures
The laser diode in the traverse unit (optical pick up) is easy to be destroyed by clothes and the human body
to the electrified static electricity.
Please note the explosion by static electricity when repairing.
2. About the earth processing for the electrostatic destruction prevention
In the equipment which uses an optical pick up (laser diode), an optical pick up is destroyed by the static
electricity of the work environment.
Please do the earth processing and work.
1) Earth of work stand
Please pull the conductive material (conductive sheet) or the iron plate to the depository
place of the traverse unit (optical pick up), and take the earth to ground.
2) Human body earth
Please use the anti-static wrist strap to exhaust the electrified static electricity to the human body.
anti-static wrist strap
Conductive material (conductive
sheet) or the iron plate
3. Handling the optical pick up
1) Please return according to a correct procedure based on short processing after exchanging
parts.
2) Do not use a tester to check the condition of the laser diode in the optical pick up .The tester 's internal
power source can easily destroy the laser diode.
4. Attention when unit is disassembled
Please refer to "Disassembling method" for how to detach .
1) Please be sure to solder before a flexible wire is removed from connector on a main printed
circuit board as shown.
if you removes without soldering.the MD picking up assembly might destroy
2) When installing , solder in the part of short round should be removed after a flexible wire is connected with
connector.
Solder short
1-4
XM-PX50WT
MD door assembly
Disassembly method
Removing the MD door assembly
(See Fig.1 and 2)
1. Shift the door lever to open the door.
2. Remove the four screws A and detach the MD door
assembly from the main body.
A
Door lever
Fig.1
Removing the holder assembly
(See Fig.3 and 4)
MD door assembly
Prior to performing the following procedure, remove
the MD door assembly.
1. Turn the Holder assembly as shown in Fig.3.
2. Pull the side arm (L) marked a and remove outward.
Open the Holder assembly as shown in Fig.4.
A
Door lever
3. Move the “U-shaped” notch marked b in the direction
Fig.2
Holder assembly
of the arrow and release it from the shaft.
4. Move the part c inward and pull out the Holder
assembly from the shaft.
ATTENTION: When reassembling, first reattach the
part c to the shaft of the Chassis
assembly. And next, fit the “U-shaped”
notch to the shaft.
Part a
Holder assembly
Side arm (L)
”U-shaped” notch
Fig.3
Holder assembly
Holder assembly
Part c Shaft
Part b
Part c
Fig.4
1-5
XM-PX50WT
Chassis assembly
Removing the chassis assembly
(See Fig.5 to 7)
Side arm (R)
Prior to performing the following procedure, remove
the MD door assembly and the holder assembly.
1. Open the battery lid. Release the tab d and pull out
the battery lid.
2. Remove the screw B and pull out the side arm (R)
Tab d
Joint e
upward.
3. Remove the two screws C and pull out the eject unit.
Joints e
B
4. Remove the screw D, E, F and G attaching the
chassis assembly respectively.
Battery lid
Fig.5
5. Disengage the three joints e of the bottom case and
the battery holder. Remove the chassis assembly
and the jack cover at once.
Battery lid
Eject unit
C
C
Chassis assembly
Fig.6
D
Chassis assembly
Joint e
G
Joints e
E
Bottom case
F
Battery holder
Fig.7
1-6
XM-PX50WT
Battery holder
Soldering f
Removing the main board and the
battery holder (See Fig.8 and 9)
CN401
CN301
Prior to performing the following procedures, remove
the MD door assembly, the holder assembly and the
chassis assembly.
ATTENTION: Before disconnecting the flexible wire
extending from the pickup, make sure to
solder the short circuit round to prevent
damage to the pickup.
H
Short circuit
round
1. Solder the short circuit round of the flexible wire on
the main board.
Headphone jack assembly
Soldering f
CN401
Main board
Disconnect the flexible wires from connector CN301
and CN401 on the main board.
Fig.8
Remove the one screw H attaching the main board.
Remove the main board with the battery holder .
Short circuit round
Unsolder the four soldered parts f retaining the main
board and the battery holder.
ATTENTION: When reassembling, connect the
flexible wire extending from the pickup
to the connector on the main board
and unsolder the short circuit round.
CN301
Fig.9
Headphone jack assembly
Battery holder
CN601
Removing the headphone jack assembly
(See Fig.10)
Prior to performing the following procedures, remove
the MD door assembly, the holder assembly, chassis
assembly and the main board.
1. Disconnect the flexible wire extending from the
headphone jack from connector CN601 on the main
board.
Main board
Fig.10
1-7
XM-PX50WT
<Removal of the MD
Shaft holder
Soldering g
Slit washer
mechanism section>
J
Worm gear
Prior to performing the following procedures, remove
the MD door assembly, the holder assembly, the
chassis assembly and the main board.
I
Removing the spindle motor
(See Fig.11)
1. Unsolder the part g on the flexible wire extending
from the underside of the Chassis assembly to the
spindle motor.
Spindle motor
Part h
Pickup unit
Chassis assembly
Do not spill flux on the gear and others.
ATTENTION:
Part i
Fig.11
2. Remove the three screws I attaching the spindle
motor.
Lead screw
K
Removing the pickup unit (See Fig.11)
ATTENTION: When handling the Pickup unit, touch the
parts marked in Fig.13 only.
1. Remove the slit washer and the worm gear from the
underside of the Chassis assembly.
Lead spring
2. Remove the screw J attaching the shaft holder and
draw out the shaft (lead screw).
Pickup
3. Pull out the Pickup unit and the lead screw while
disengaging the part h and i.
Fig.12
Removing the pickup (See Fig.12 and 13)
Touch these parts only.
ATTENTION: When handling the pickup unit, touch the
parts marked in Fig.13 only.
1. Remove the screw K and the lead spring.
2. Pull out the shaft from the pickup.
Fig.13
1-8
XM-PX50WT
Removing the feed motor (See Fig.14)
j
L
1. Peel off the adhesive tape j on the flexible wire on
Soldering k
the underside of the feed motor.
2. Unsolder soldering k connecting the flexible wire to
L
the feed motor.
3. Remove the two screws L attaching the feed motor.
Feed motor
ATTENTION: When reassembling, reattach the
flexible wire with an adhesive tape and
solder.
Chassis assembly
Pickup unit
Fig.14
1-9
XM-PX50WT
<Charge stand>
A
A
Removing the charge board
(See Fig.1 to 3)
1. Remove the four screws A on the bottom of the
body.
2. Remove the top cover upward while pushing the
front part a. Pull out the charge board from the
bottom cover.
A
A
Fig.1
Top cover
Push
Part a
Fig.2
Charge board
Bottom cover
Fig.3
1-10
XM-PX50WT
Adjustment method
This model is auto adjustment by Remote Controller.
Please adjust the attached remote controller.
Equipments----- 1. Remote controller
3. Laser power meter
2. DC power supply
4. MO disc (AU-1)
5. Pre master disc (TGYS 1)
<Test mode setting method>
Press < PLAY MODE + DISPLAY + BASS > and < PLAY >key together more than 3sec. at power off condition.
< VOL > next item .< VOL+ >before item.
LCD indication
Test mode setting OK. Indicate at 2sec.
When LCD indicate [NG] at another item,
0. TMD-V2
Return back this item by press (STOP) key
Resume initialize
LCD Indication change :
*
*
Initializing
Resume
Servo initialize
LCD Indication change : [
]
Initializing
Servo
PLAY LASER Insert the laser power meter.
Executes by < BASS > LCD Indication change :[XX:YY]
Up by < VOL+> .Down by <VOL > LCD Indication change :[VW.YY]
Setting by <STOP>
LCD Indication change :[ OK
]
PLAY LASER
Laser power adjust
560
adjust
Adjust power-supply voltage 1.5v 20mv before the laser power is adjusted and stops.
FEED
Executes by < BASS >
<VOL+> :Pickup is go to outside
Press < STOP >
LCD Indication change :[FwdBwd]
< VOL-> :Pickup is go to inside
LCD Indication change :[OK
]
FEED
*
MO TG Insert the Recordable disc.
Executes by < BASS >
5. M o T G
LCD Indication change : [
]
Adjusting
*
MO DISC ADJUST
Executes by < BASS >
LCD Indication change : [
]
Adjusting
]
*
Press < STOP >
LCD Indication change : [OK
MO DISC ADJUST
7.
*
Pre TG Insert the Pre master disc.
Executes by < BASS >
LCD Indication change : [
]
Adjusting
*
Pre DISC ADJUST
Executes by < BASS >
LCD Indication change : [
]
XXYYZZ
Adjusting
Press < STOP >
*
RESET
Executes by < BASS >
LCD Indication : Left out the test mode ,power off ,and END.
1-11
XM-PX50WT
Maintenance of laser pickup Replacement of laser pickup
(1) Cleaning the pick up lens
Before you replace the pick up, please try to
clean the lens with a alcohol soaked cotton
swab.
Turn off the power switch and,disconnect the
power cord from the ac outlet.
(2) Life of the laser diode
When the life of the laser diode has expired,
the following symptoms will appear.
Replace the pickup with a normal one.(Refer
to "Pickup Removal" on the previous page)
1. The level of RF output (EFM output:ampli
tude of eye pattern) will below.
Plug the power cord in,and turn the power on.
At this time,check that the laser emits for
about 3seconds and the objective lens moves
up and down.
NO
Is the level of
RFOUT under
0.35Vp-p?
Replace it.
Note: Do not observe the laser beam directly.
YES
O.K
Play a disc.
Check the eye-pattern at TP1.
Finish.
(3) Semi-fixed resistor on the APC PC board The semi-fixed resistor on the APC printed circuit board which is
attached to the pickup is used to adjust the laser power.Since this adjustment should be performed to match the
characteristics of the whole optical block, do not touch the semi-fixed resistor.
If the laser power is lower than the specified value,the laser diode is almost worn out, and the laser pickup should
be replaced.
If the semi-fixed resistor is adjusted while the pickup is functioning normally,the laser pickup may be damaged
due to excessive current.
1-12
XM-PX50WT
Description of major ICs
JCV8002-W (IC601) : Head phone amp
1. Pin layout
24
~
19
18
1
13
6
7
~
12
2. Block diagram
PW
SW18
TC
MT 17
SW
16
13
15
14
MT
BST
SW
Vref
IN
GND
BEEP
IN
BST
SW
PW
SW
MT
SW
19
BEEP
12
Vref
Vref
V
20 CC1
11
ADD
IN
IN
B
21
BST1
10
BST
NF1
IN
A
22
9
LPF
2
BEEP
BST2
OUT
B
PW
A
PW
B
23
8
BST
BEEP
OUT
NF
2
A
24
BST
AGC
AGC 6
7
BST
OUT
PWR
GND 3
V
CUT
OUT
A
1
2
DET 5
CC2
B
4
IN
3. Pin function
Pin
Symbol
no.
FUNCTION
VCC2
(+B) in power amplifier output steps
Power amplifier output
CC2
V
1
2
OUT
A
GND in power amplifier output steps
Power amplifier output
Smoothness of level detection of boost
3 PWR GND
4
5
6
7
8
9
OUTB
DET
AGC IN
AGC
BST amplifier input signal level variable control by input lever to boost AGC input terminal
BST OUT Output terminal of BST amplifier2
BST NF
LPF2
2
Terminal NF of BST amplifier2
Output BST amplifier1
NF of BST amplifier1
ADD amplifier input
10 BST NF1
11 ADD IN
12
13
Vref
refIN
Standard potential circuit
Standard potential circuit
Power part input steps GND
Beep input terminal
Beep output terminal
Mute switch
Power On/OFF switch
Mute smoothing Power mute switch
Main parts VCC
Power amplifier input
Power amplifier input
Beep output terminal
Beep output terminal
V
14 GND
15 BEEP IN
16 BST SW
17 MT SW
18 PW SW
19 MT TC
20
21
22
VCC1
IN B
IN A
23 BEEP OUT
24 BEEP OUT
B
A
1-13
XM-PX50WT
CXA8059Q (IC450) : Motor driver
1. Pin layout
36
25
~
37
~
24
~
48
13
1
~
12
2. Block diagram
1-14
XM-PX50WT
3.Pin function
Pin
Symbol
Function
The GND to guard the power stage.
The terminal to detect the voltage.
no.
1
PGND
COM
VS
2
3
The terminal to supply the voltage for the power stage.
4
CPOUT The terminal to connect the capacitor in the final charge pump.
5
6
7
8
9
10
CPC3
CP3
CPC2
CP2
CPC1
CP1
The terminal to connect the capacitor in the third charge pump.
The terminal to connect the capacitor in the third charge pump.
The terminal to connect the capacitor in the second charge pump.
The terminal to connect the capacitor in the second charge pump.
The terminal to connect the capacitor in the first charge pump.
The terminal to connect the capacitor in the first charge pump.
The GND for the part except the power section.
11 GND
12 S/S
The terminal for start and stop.
13 BRAKE The terminal for braking.
14 VCONT The terminal for controlling velocity.
15 VCREF The terminal as referable voltage of controlling velocity.
16
17
18
19
FC
CF
FG
The terminal to compensate the frequency characteristics of the loop controlling velocity.
The terminal of sampling and holding for detecting motor current.
The terminal to output FG pulse.
The terminal to output FG pulse divided Pin15 signal by 2.
The terminal to set oscillation frequency of VCO.
FG2
20 VCO
21 RMAX
22 RMIN
The terminal to set maximum oscillation frequency of VCO.
The terminal to set minimum oscillation frequency of VCO.
23 VCOIN The terminal to control oscillation frequency of VCO.
24 CLKSEL The terminal to select inside and outside clock.
25 OSC
The terminal to oscillation sawtooth for PWM signal.
26 SLOPE The terminal to oscillation sawtooth for soft-switching signal.
27 CLOCK The terminal to monitor CLOCK signal.
28 GND
The GND for the part except the power section.
The terminal to shape waveform of motor voltage.
The terminal to shape waveform of motor voltage.
The terminal to shape waveform of motor voltage.
29
30
31
WF
VF
UF
32 COMF The terminal to shape waveform of motor voltage.
33 VCC The terminal to supply the voltage except the power section.
34 MCLOCK The terminal to input clock.
35 VS The terminal to supply the voltage for the power stage.
36 RESET The terminal to reset a register for checking the movement.
37
38
39
40
RF
NC
NC
The terminal to monitor current.
Non connect
Non connect
WIN
The terminal to sense the back electro magnetic force of coils.
41 WOUT The terminal to supply the motor current.
42
43 VOUT
44 UIN
45 UOUT
VIN
The terminal to sense the back electro magnetic force of coils.
The terminal to supply the motor current.
The terminal to sense the back electro magnetic force of coils.
The terminal to supply the motor current.
Non connect
46
47
48
NC
NC
RF
Non connect
The terminal to monitor current.
1-15
XM-PX50WT
CXD2672GA(IC351):DSP
1.Pin layout
AVS1
DVSS1
ASYI
LDDR DTRF VSI02 ADFG ADRB AVS2 ADI0
FE
PEAK FILI
17
CLTV
FILO
APCR CKRF FOCN APC
SE
ADRT VC
ABCD
BOTH
PCO BIAS ASYO XWE TST6
16
XLRF VDI02 DCHG TE
AVD2 AUX1
RFI
AVD1 MVCI
A11
D3
TFDR TRDR
PD0
XOE
VSC3
D2
15
14
13
12
11
10
9
DVDD1
FRDR FFDR VDC4
VSC4
FS4
VDC3
D1
SRDR
D0
SFDR
SPFD SPRD
XCAS IXWE
TEST1 FGIN
A09
IXOE
A08
TEST2
XRAS
A10
A07
TST2 EFM0
TEST3
VDI03
TOP
VIEW
TST3
DVI01
A05
VSI03
A00
VSI01
A06
SPCU SPDW SPDV
TST4 SPCW SPCV
VSC5 SLDW SLDV
SLCV SLCU VDC5
A01
8
A03
A02
A04
7
F256
XBCK
VSC2
6
DADT LRCK
VDC2
VDI00
5
SLCW
BYPS TST5
ADDT
TST8
4
VDI
DA
DA
MNT1
MNT0
SENS XRST
SRDT
DVDD0
OSC
VREFR TST1
VDDL VDDR
VDC0
RPWR
VDC1 TST0 DATAI TST7
3
MT
MT
DA
DVSS0
AOUTL VREFL AOUTR XTSL DOUT
MNT2 SWDT
MNT3 SCLK
SQSY XINT OSCI
VSCO DQSY TX
2
FLGR
FLGL
PWMRP
DA
DA
VSI
OSC
DA
DA
XLAT
OSCO
VSC1 DIN1
VSI00
1
VSSL VSSR
PWMLP PWMLN
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
T
U
2.Pin function (1)
Pin
No.
Symbol
I/O
Function
A-1
A-2
A-3
B-1
B-2
B-3
C-1
C-2
C-3
D-1
D-2
D-3
NC
NC
MNT1
NC
-
-
O
-
Open
Open
Monitor output
Open
NC
-
Open
MNT0
MNT3
MNT2
NC
SCLK
SWDT
VDC0
I/O Monitor in/output
O
O
-
I
I
Monitor output
Monitor output
Open
Micon serial bus clock input
Micon serial bus data write input
Internal logic VDD(1.8V)
-
1-16
XM-PX50WT
2.Pin function(2)
Pin No.
Symbol
I/O
I
O
O
-
O
I
O
O
I
I
I
-
O
-
-
-
O
-
-
O
-
-
Function
Micon serial bus latch input
E-1
E-2
E-3
F-1
F-2
F-3
G-1
G-2
G-3
H-1
H-2
H-3
J-1
XLAT
SRDT
SENS
VSC0
SQSY
XRST
DQSY
XINT
RPWR
TX
OSCI
VDIOSC
OSCO
DVSS0
DVDD0
VSIOSC
AOUTL
Micon serial bus data read out output
Internal output of micon serial bus address
Internal logic GND
PTGR=0 ADIPsink output / PTGR=1 DISC SUB-Q sink output
Reset input L:reset
Ubit SUB-Q sink output from digital audio input from MD or CD
Request status output L:request status
Laser power select input (H=rec power / L=playback power)
Output permit input of recorded data
X'tal osc circuit input
OSC sel VDD (2.5V)
X'tal osc circuit output
Internal 16bit DRAM GND
Internal 16bit DRAM GND
OSC sel GND
Internal DAC Lch output
J-2
J-3
K-1
K-2
K-3 DAVDDL
L-1
L-2
L-3 DAVDDR
M-1 DAVSSR
Internal DAC VDD (Lch,2.5V)
Internal DAC GND
Internal DAC GND VREF(Lch)
Internal DAC VDD (Rch,2.5V)
Internal DAC GND (Rch)
DAVSSL
VREFL
M-2
M-3
N-1
N-2
N-3
P-1
P-2
P-3
AOUTR
VREFR
VSC1
XTSL
TST1
DIN1
O
O
-
I
I
I
O
-
Internal DAC Rch output
Internal DAC VREF (Rch)
Internal logic GND
X'tal frequency select (L=45.1584MHz/H=22.5792MHz)
Test terminal Connect to GND
Digital audio input Outer I/F mode EXRQ input
Digital audio output
DOUT
VDC1
Internal logic VDD (1.8V)
U-1 DAPWMLN
T-1 DAPWMLP
O
O
-
O
O
O
I
I
O
I
I
-
O
O
-
Internal DAC PWM output L-
Internal DAC PWM output L+
2.5V I/O VSS
Internal DAC PWM output R+
Internal DAC zero detect flag (Rch)
Internal DAC zero detect flag (Lch)
Test terminal Connect to GND
Serial data input
R-1
U-2 DAPWMRP
T-2 MTFLGR
R-2 MTFLGL
VSIO0
U-3
T-3
R-3
U-4
T-4
R-4
U-5
T-5
R-5
U-6
T-6
TST7
DATAI
TST0
ADDT
TST8
VDIO0
LRCK
DADT
VDC2
VSC2
XBCK
F256
A02
Open
Data input from A/D converter
Test terminal Connect to GND
2.5V I/O VDD
LR clock(44.1kHz) for A/D, internal DAC
Data output for internal DAC / Internal DAC PWM output R-
Internal logic VDD (1.8V)
-
Internal logic GND
O
O
O
O
O
O
O
O
A/D, internal DAC bit clock (2.8224MHz)
11.2896MHz clock output (X'tal)
External DRAM address output
External DRAM address output
External DRAM address output
External DRAM address output
External DRAM address output
External DRAM address output
R-6
U-7
T-7
A04
R-7
U-8
T-8
A03
A06
A01
R-8
A05
1-17
XM-PX50WT
2.Pin function (3)
Pin No.
Symbol
VSIO1
A00
ADIO1
A08
I/O
-
O
-
O
O
O
O
O
O
O
O
Function
2.5V I/O sel Vss
External DRAM address output
2.5V I/O sel VDD
External DRAM address output
External DRAM address output
External DRAM address output
Open
External DRAM RAS output
External DRAM address output
Open
U-9
T-9
R-9
U-10
T-10
R-10
U-11
T-11
R-11
U-12
T-12
R-12
U-13
T-13
R-13
U-14
T-14
R-14
U-17
U-16
U-15
T-17
T-16
T-15
R-17
R-16
R-15
P-17
P-16
P-15
N-17
N-16
N-15
M-17
M-16
M-15
L-17
L-16
L-15
K-17
K-16
A10
A07
IXOE
XRAS
A09
IXWE
XCAS
D1
External DRAM CAS output
I/O External DRAM data input/output
I/O External DRAM data input/output
I/O External DRAM data input/output
-
-
I/O External DRAM data input/output
-
-
-
O
-
O
O
-
O
O
I
O
I
-
I
O
I
I
I
O
I
I
I
O
I
I
-
I
-
I
-
I
I
I
I
I
I
D2
D0
VDC3
VSC3
D3
DVDD1
NC
NC
XOE
NC
Internal logic VDD
Internal logic GND
Internal 16Mbit DRAM VDD
Open
Open
External DRAM output chip enable output
Open
Open
TST6
A11
Open
DVSS1
XWE
PDO
ASYI
ASYO
MVCI
AVS1
BIAS
AVD1
FILI
PCO
RFI
PEAK
CLTV
FILO
FE
Internal 16Mbit DRAM GND
External DRAM write enable output
Analog PLL phase compare output
Playback EFM comparator slice level input
Playback EFM binarization signal output
Clock input from external VCO
Analog GND
Playback EFM comparator bias current input
Analog power supply (2.5V)
Filter input for playback EFM system mastering PLL
Phase comparison output for playback EFM system mastering PLL
Playback EFM RF signal input
Peak holding input optical amount signal
Internal VCO control voltage input for playback EFM system mastering PLL
Filter output for playback EFN system mastering PLL
Focus error signal input
Optical amount signal input
Bottom holding input of optical amount signal
Open
Middle point voltage input
Assistance A/D input
Analog GND
A/D converter operation range upper bound voltage input
Analog power supply (2.5V)
A/D converter operation range lower bound voltage input
Sled error input
ABCD
K-15 BOTOM
J-17
J-16
J-15
H-17
H-16
H-15
G-17
G-16
G-15
F-17
F-16
F-15
ADIO
VC
AUX1
AVS2
ADRT
AVD2
ADRB
SE
TE
ADFG
APC
Tracking error input
ADIP binary-coded FM signal input
Error signal input for laser digital APC
Connects with an analog power supply of low impedance
DCHG
1-18
XM-PX50WT
2.Pin function (4)
Pin No.
Symbol
I/O
-
O
-
O
O
O
-
Function
2.5V I/O Vss
Filter cutoff control output
2.5V I/O VDD
Controller data output
Controller clock output
Controller latch output
Open
Open
Laser digital APC PWM output
Open
Open
Laser APC reference PWM output
Tracking servo drive PWM output (+)
Tracking servo drive PWM output (-)
Open
Focus servo drive PWM output (-)
Focus servo drive PWM output (+)
Internal logic VDD (1.8V)
E-17
E-16
E-15
D-17
D-16
D-15
A-17
B-17
C-17
A-16
B-16
C-16
A-15
B-15
C-15
A-14
B-14
C-14
A-13
B-13
C-13
A-12
B-12
C-12
A-11
B-11
C-11
A-10
B-10
C-10
A-9
B-9
C-9
A-8
B-8
C-8
A-7
B-7
C-7
A-6
B-6
C-6
A-5
B-5
C-5
A-4
B-4
VSIO2
F0CN
VDIO2
DTRF
CKRF
XLRF
NC
NC
LDDR
NC
-
O
-
NC
-
APCR
TFDR
TRDR
NC
FRDR
FFDR
VDC4
VSC4
SRDR
FS4
O
O
O
-
O
O
-
-
Internal logic GND
O
O
O
O
O
I
I
I
O
O
I
Sled servo drive PWM output (-)
176.4kHz clock output (X'tal system)
Spindle servo drive output
Spindle servo drive output
Sled servo drive PWM output (+)
Test terminal Connect to GND
Test terminal Connect to GND
Spindle CAV servo FG input
Test terminal Open
EFM output at recording
Test terminal Connect to GND
2.5V I/O Vss
Test terminal Open
2.5V I/O VDD
Blush less spindle motor drive comparate input (U)
Blush less spindle motor 3 phase drive truth output (W)
Blush less spindle motor 3 phase drive truth output (V)
Test terminal Open
Blush less spindle motor drive comparete input (W)
Blush less spindle motor drive comparate input (V)
Internal logic GND
Blush less sled motor 3 phase drive truth output (W)
Blush less sled motor 3 phase drive truth output (V)
Blush less sled motor 3 phase drive comparate input (V)
Blush less sled motor 3 phase drive comparate input (U)
Internal logic VDD (1.8V)
SPFD
SPRD
SFRD
TEST2
TEST1
FGIN
TST2
EFMO
TEST3
VSIO3
TST3
VDIO3
SPCU
SPDW
SPDV
TST4
SPCW
SPCV
VSC5
SLDW
SLDV
SLCV
SLCU
VDC5
BYPS
TST5
SLCW
-
O
-
I
O
O
O
I
I
-
O
O
I
I
-
O
O
Open
Test terminal Open
C-4
I/O Blush less sled motor 3 phase drive comparate input
1-19
XM-PX50WT
AK93C55BH-W (IC502) : EEPROM
1. Pin layout
2.Pin function
Pin name
CS
Fnction
Chip select
CS
SK
DI
1
2
3
4
8
7
6
5
VCC
NC
Serial data clock
Serial data input
Serial data output
Program enable
Ground
SK
DI
DO
PE
VCC
GND
NC
PE
DO
GND
Power supply
Not connected
3. Block diagram
DO
DATA
REGISTER
16
16
R/W AMPS
AND
AUTO ERASE
INSTRUCTION
REGISTER
DI
INSTRUCTION
DECODE,
CONTROL
AND
CLOCK
GENERATION
EEPROM
2048bit
ADD.
BUFFER
DECODER
VPP SW
128 X 16
CS
SK
PE
VPP
GENERATOR
VREF
TC75S51F-X(IC505):Ope amp
1.Pin layout/Block diagram
VDD
5
OUT
4
1
2
3
IN(+) Vss IN(-)
1-20
XM-PX50WT
CXA2588R (IC300) : RF amp.
1. Pin layout & block diagram
31 30
27
25
36 35 34 33 32
29 28
26
ADIP Amp
FE Amp
TE/SE Amp
PEAK 37
RF 38
24 Vcc
23 3TADJ
22 EQADJ
21 VREF
20 F0CNT
19 XSTBY
18 XLAT
RFAGC 39
AGCI 40
NC 41
NC 42
ADDC 43
NC 44
CPU
Command
I/F
17 SCLK
16 SWDT
15 OP IN
14 OP OUT
13 GND
0/-2dB
TEGC 45
RFO 46
MORFI 47
MORFO 48
OP
Amp
I-V
Amp
I-V Amp
APC
1
2
3
4
5
6
7
8
9 10 11 12
2.Pin function
Pin
Pin
Symbol
Symbol
Function
Function
I/O
I/O
No.
No.
1
2
3
4
5
6
7
8
9
I
J
I
I
O
I
I
I
I
I
I
I
O
I
-
O
I
I
I
I
I
I
I-V converted RF signal I input
I-V converted RF signal J input
Vcc/2 voltage output
25 WBLADJ I/O BPF3T IF setting terminal
26
27 CSLED
SE
TE
O
-
Tracking error signal output terminal
VC
A
Sled error signal LPF capacitor connect terminal
Sled error signal output terminal
ADIP FM signal output terminal
ADIP signal completer input terminal
ADIP AGC capacitor connect terminal
ADIP binary signal output
I3 output/temp.signal output
Focus error signal output
Reflection light q'ty signal output for main beam servo detector
RF/ABCD bottom-hold signal output
RF/ABCD peak-hold signal output
RF equalizer output
A current input for main beam servo signal 28
O
O
I
B
B current input for main beam servo signal 29 ADFM
C current input for main beam servo signal 30 ADIN
D current input for main beam servo signal 31 ADAGC
E current input for side beam servo signal 32 ADFG
F current input for side beam servo signal 33 AUX
C
D
-
E
O
O
O
O
O
O
O
-
F
10
PD
Reflection light q'ty monitor signal input
Laser APC output
34
FE
11 APC
12 APCREF
13 GND
14 OPOUT
15 OPIN
16 SWDT
17 SCLK
18 XLAT
19 XSTBY
20 F0CNT
21 VREF
35 ABCD
Ref. voltage input for laser power intensity setting 36 BOTM
Ground
37 PEAK
38 RF
Ope. amp output terminal
21dB ope. amp input terminal
Serial data input terminal
Shift clock input terminal
Latch input terminal
39 RFAGC
40 AGCI
RFAGC capacitor connection
RFAGC input
I
41
42
NC
NC
-
Non connect
Non connect
-
Stand by setting terminal
F0 count setting terminal
Reference voltage output terminal
43 ADDC I/O ADIP amp. feedback circuit capacitor connection
44
NC
-
I
Non connection
TE amp. gain switching
RF amp. output
Groove RF signal AC-coupled input
Groove RF signal output
O
45 TEGC
46 RFO
47 MORFI
48 MORFO
22 EQADJ I/O EQ IF setting terminal
23 3TADJ I/O BPF3T IF setting terminal
24
O
I
Vcc
-
Power supply
O
1-21
XM-PX50WT
IC-PST3421U-X(IC504):System reset
1.Pin layout
VOUT 1
2.Pin function
Pin
No.
Symbol
Function
4
3
VSS
NC
1
2
3
4
VOUT Reset signal output terminal
VDD
NC
Power supply terminal
Non connect
VSS terminal
VDD
2
VSS
3.Block diagram
2
VDD
1
VOUT
Vref
4
VSS
TK11223BMC-X (IC961) : Regulator
1. Pin layout
VIN GND VOUT
6
5
4
1
2
3
CONT GND
2. Block diagram
VIN
NOISE BYPASS
VOUT
THERMAL
SENSOR
CONT.
BANDGAP
REFERENCE
Cnp
GND
1-22
XM-PX50WT
MPC17A139MTB-X (IC400) : 4ch bridge driver
1.Pin layout
2.Pin function
Driver section
PS,OE
INPUT OUTPUT 1~4
PS OE FI RI
FO
L
L
H
L
L
RO
L
H
L
L
L
H
H
H
H
H
L
L
L
L
L
H
X
L
L
H
H
X
X
L
H
L
H
X
X
Z
Z
X:Don't Care
Z:High Impedance
Clock detector section
CLK
X
PS OSC circuit
Auto
H
H
L
Syncro
Stop
X
3.Block diagram
Pre-driver
Control
Pre-driver
Control
Pre-driver
Control
Pre-driver
Control
1-23
XM-PX50WT
UPD784225GK-617C(IC501):CPU
1.Pin layout
80
~
61
21
~
40
2.Pin function
Pin
No.
Pin
No.
Function
Function
Symbol
Symbol
GND
GND
1
2
3
4
5
6
7
8
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
Non connect
Non connect
Non connect
Test terminal
Test terminal
Non connect
Test terminal
Non connect
ANI5
ANI6
SPSEL
AVSS
-
-
-
Non connect
GND
-
-
Non connect
Voltage adjust
DPON
-
VADJ
AVREF1
RMRX
RMTX
-
Analog reference voltage
Remocon data input terminal
Remocon data output terminal
Non connect
RFVCTL
PSAVE
RPON
DPON
REMOFF
CS2
9
RP ON signal input terminal
DP ON signal input terminal
Remocon OFF signal output terminal
Chip select 2
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Serial data read input terminal
Serial data write input terminal
Serial bus clock output terminal
Non connect
SRDT
SWDT
SCLK
-
Serial clock signal output terminal
Data output terminal
Chip select 1
SCL
DI
BEEP output terminal
Power ON/OFF output terminal
Test terminal
BEEP
PSW
MONDATA
MONCLK
XRST2
TG
CS1
Monitor 0 input terminal
Monitor 3 input terminal
DSP internal status input terminal
Data input terminal
MNT0
MNT3
SENS
DO
Test terminal
Standby setting output terminal
Tracking gain setting terminal
Non connect
Reset signal input terminal
Interrupt status data input terminal
Sink input terminal
RESET
XINT
SQSY
-
ACB
Non connect
TRAIN
XRST
XLAT
LVCTL
LDON
RFOFF
SLOFF
-
Reset signal output terminal
Serial bus latch output terminal
LSI power supply control signal output
Laser diode ON signal output terminal
RF OFF signal input terminal
Sled OFF signal output terminal
Non connect
Non connect
Remocon PLAY detect terminal
Door open/close detect terminal
PLAY key detect terminal
GND
RPLY
DOOR
PLAYKEY
VSS0
VDD1
X2
Reference voltage terminal
Connect to X'tal osc
Connect to X'tal osc
Test terminal
Mute signal output terminal
Mon connect
MUTE
-
X1
VPP
Test terminal
Non connect
DIR
XT2
GND
GND
VSS1
PS
XT1
Standby mode output terminal
Start/Stop output terminal
Test terminal
GND
VDD0
AVD0
KEY
Reference voltage terminal
Remocon STOP key detect terminal
Battery voltage detect terminal
Connect to temp. detect
GND
SS
MON1
MON2
MONXLAT
-
Test terminal
BATTERY
TEMP
ANI3
ANI4
Test terminal
Non connect
Non connect
GND
-
1-24
XM-PX50WT
XC6367A251M-X(IC901):Regulator
1.Pin layout
2.Pin function
5
4
Pin
No.
Symbol
Function
1 VOUT Output voltage det.
2
3
4
5
VDD
CE
GND
EXT
Power supply
Chip enable
GND
Ext. Tr connect
1
2
3
3.Block diagram
Phase
Compensation
VOUT
VDD
EXT
Error Amp.
PWM
Comparator
+
-
+
-
Buffer,
Driver
Ramp Wave
Generator,
OSC
Vref with
Soft Start,
GE
PWM/PFM
Controller
GND
CE
1-25
XM-PX50WT
Block diagram
J101
CN601
CN301
CN401
2-2
XM-PX50WT
Standard schematic diagrams
Main amp section
C373
1
R376
3.3K
R377
1K
R372
100K
C376
0.47
6
5
4
3
2
RFI
R601470k
C614
4.7/4
C613
10/6.3
R603470k
R604470k
BOTM
ABCD
FE
C602
1/16
TP307
NTCT
AUX1
VC
C603
1
R345
NI
C319
C318
0.001
C203
1
R201
22k
IC601
JCV8002-W
10/6.3
INB
INA
TP306
PEAK
BEEPB
BEEPA
C316
0.1
C320
0.01
C103
1
SE
TE
R101
22k
TP305
BOTM
ABCD
FE
C358
1/16
ADFG
I
TP325
R326 330
R325 330
R324 1K
R323 330
J
VC
AUX1
ADFG
F0CNT
XLRF
A
B
C
D
E
F
IC351
IC300
CXD2661GA-1
C311
1
C357
1/16
CXA2588R
CKRF
R329
NI
DTRF
C310
0.0047
APCREF
SE
TE
R366
220
R322 330
C356
22P
R302
NI
C309
1
PD
TP326
C113
150/4
APC
TRDR
TFDR
FFDR
FRDR
FS4
R321
C355
27P
TRK+
FCS+
FCS-
TRK-
330
XINT
C112
R320
56K
0.22
C360
0.1
SRDR
SFDR
SQSY
XRST
SENS
SRDT
CN301
R369
QGF0515F3-20X
1K
CN601
SPRD
SPFD
SPFG
QGF0515F4-09X
K201
K601
C323
10/6.3
R317
100K
R318
10K
XLAT
Q300
2SB1219/RS/-X
C325
0.1
F0CNT
K101
K602
SCLK
SWDT
MNT3
MNT2
MNT1
MNT0
R308
1.2K
R613
4.7
TP353
K604
K603
R339
10
R301
0.22
Q301
C300
0.01
DTA144EE-X
TP354
K607
K606
R607
KEY
100
TP352
K605
PLAYKEY
R605
100
XRST2
C212
0.22
TP351
KEYGND
R310
NI
R311
10K
C213
150/4
C631
330P
C630
330P
TP323
LDON
C324
22/4
IC2
TC7S08FU-X
R3
R2
2.2k
2.2k
APCREF
L301
10
Q966
R967
22
DTA143TE-X
Q964
C3
C2
C4
0.1
0.022
0.022
Q904
DTA124XUA-X
SSM3J01F-X
C352
C353
10/6.3
R462
NI
C351
10/6.3
C450
0.047
TP902
TP901
R450
22K
R451
LVCTL
22K
D901
L902
1
L901
22
BT1
TP457
F1J2E-X
DPON
VADJ
R902
100K
Q906
Q901
FMMT617-X
Q965
SSM3K01F-X
DTC144EE-X
IC901
XC6367B101M-X
R904
R454
470k
680k
0.001 C457
R903
68K
0.0022 C456
C464
0.22
R905
2.2K
IC450
CXA8095Q
C462
0.22
BT2
C453
0.22
BT3
BT4
C452
R63
NI
1
S-80821ANNP-W
Q63
2SC4081/QR/-X
IC504
R62
470K
RPON
R463
NI
Q926
SSM3J01F-X
C65
0.01
D921
L921
22
CRS01-W
C455
0.1
Q61
DTC144EE-X
C454
1
R466
1
R528
NI
IC921
XC6367B101M-X
TP514
IC503
NI
CS2
RFOFF
W
V
U
SCL
DI
R921
0
Q925
DTC144EE-X
Q921
S60
SSM3K01F-X
DO
C922
NI
NSW0108-001X
COM
XINT
SQSY
MONXLAT
TP507
TP506
TP505
XBCK
RPLY
MON2
MON1
SS
R527
470k
DOOR
PLAYKEY
D400
F02J4L-X
DPON2
PS
L400
470
IC502
AK93C55BH-W
R402
1
SLD+
SLD-
W
R530
0
IC501
DIR
TP504
IC400
MPC17A139MTB-X
CS1
C402
3.3/16
SCL
DI
UPD784225GK-607
D942
NI
LVCTL
V
X500
NAX0410-001X
R510
10K
FS4
U
BYPS
R400
470k
DO
COM
TP509
C401
10/6.3
Q945
NI
RFOFF
LDON
LVCTL
XLAT
R509
100K
CN401
QGF0515F3-07X
C407
3.3/6.3
C503
0.1
L403
10
FCS+
SLD+
R947
NI
BATTERY
TEMP
C406
3.3/6.3
XRST
SLD-
L402
10
Q944
SI2305DS-X
FCS-
C500
1
D941
L941
100
C409
3.3/6.3 L405
TRK-
CRS01-W
10
C508
R945
120K
C408
3.3/6.3
TRK+
L404
10
MUTE
PSW
TH501
FRDR
FFDR
TFDR
TRDR
SRDR
SFDR
R946
150K
R942
470k
BEEP
IC941
XC6367B101M-X
TP511
R517
1K
DPON
Q943
DTC144EE-X
R948
15k
R941
0
C403
1
C942
NI
C404
1
TP512
TP518
TP513
L501
10
TP510
C504
10/6.3
MVCC2
RMDATA
1
R502
15K
R503
18K
ANALOG SIGNAL
R504
47k
C590
0.001
S501
NSW0117-001X
A
D
E
G
H
B
C
F
I
2-3
XM-PX50WT
XM-PX50WT
Charger section
Q1
Q6
J1
P1
LV32351-001A
KTB772/Y/
SSM3J01F-X
QNA0025-001
6
5
4
3
2
R2
100k
C9
0.01
P2
LV32351-001A
R36
C14
R21
220k
10k 0.068/16
R22
10k
C3
220P
Q7
IC1
BA10324AF-W
R6
47k
P3
LV32351-001A
R7
Q3
470
R34
10k
IC1
BA10324AF-W
R11
1k
Q4
IC1
BA10324AF-W
R27
10k
R28
82k
IC1
BA10324AF-W
C11
0.01
R14
1k
Q5
1
A
D
E
G
H
B
C
F
I
2-4
XM-PX50WT
Printed circuit boards
C406
C411
CN401
IC450
S504
C412
6
5
4
3
2
C456
C457
R460
R463
C452
C453
Main board (Reverse side)
Main board (Forward side)
IC400
R459
R465
C300
R303
C462
C464
Q300
C325
R338
R305
R341
C301
R454
S503
C309
R306
R364
R380
R378
R377
IC300
C352
R372
R371
C311
R323
R324
R66
C65
R62
C62
R67
R61
C359
R388 R387
R64
R373
C374
C376
R354
R321
R318
S502
R317
C316
C318
IC502
R326
R504
R325
C506
C355
R310
C317
C962
C4
R3
R2
R339
R308
X300
IC351
R356
R355
R501
R530
R357
IC501
C358
C360
R369
R385
R304
R923
R353
C357
R101
R103
C353
R921
Q921
R962
C963
R351
Q964
R967
R525
C512
R526
IC921
C103
C203
C102
C202
C513
Q61
Q501
R961
Q961
IC961
R517
R528
R529
R524
R508
L902
D901
L501
IC901
C613
R213
Q965
C213
C901
K201
K601
K101
R901
C902
L901
C509
IC505
IC601
Q906
L602
R601
R603
R604
Q901
CN601
C113
K603
R519
R520
C212
C511
Charger board (Reverse side)
Charger board (Forward side)
R24
B8
C4
R12
B3
D1
D1
B3
R14
R36
R22
C5
B7
Q4
Q3
Q7
R1
C13
B6
R16
R15
B4
B6
R5
C2
R17
D3
D2
B5
R10
D2
Q1
P1
C 8
R4
P2
B4
P3
Q1
B5
P2
P1
P3
1
J1
C1
J1
C8
A
D
E
G
H
B
C
F
I
2-5
XM-PX50WT
XM-PX50WT
< M E M O >
2-6
XM-PX50WT
PARTS LIST
[ XM-PX50WT ]
* All printed circuit boards and its assemblies are not available as service parts.
Area suffix
UB -------------------- Hong Kong
- Contents -
Exploded view of general assembly and parts list
Charger assembly and parts list
MD mechanism assembly and parts list
Electrical parts list
3-2
3-4
3-5
3-6
3-9
Packing materials and accessories parts list
3-1
XM-PX50WT
Exploded view of general assembly and parts list
M 1 M
M
Block No.
40
38
41
42
34
31
41
29
27
26
37
28
41
18
1
30
25
33
19
15
16
25
17
36
39
21
13
35
24
Main board
14
22
23
3
20
32
Jack board
9
4
A
8
11
10
12
6
2
A
5
7
3-2
XM-PX50WT
(General assembly)
Parts list
Block No. M1MM
Item
Description
Parts number
Parts name
Q'ty
Area
A
1
------------
FLM-FPM
BOTTOM CASE
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
4
1
2
LV10439-004A
LV41969-001A
LV32205-001A
LV41215-006A
LV32198-001A
LV32200-001A
LV32199-001A
LV32211-002A
LV41215-006A
LV32210-001A
LV41215-006A
LV20899-001A
LV31334-003A
LV31332-003A
LV31333-005A
LV32352-001A
LV42142-002A
LV32242-001A
LV32201-002A
VKZ4616-008
LV42222-001A
LV40242-001A
LV30225-0A6A
QYSPSGU1425M
LV40241-004A
LV31339-004A
LV32202-001A
QYSPSGU1425M
LV31294-001A-S
QYSPSFT1425M
LV20881-003A
LV10424-002A
LV20873-004A
LV41967-001A
VKZ4616-008
LV42158-001A
LV42147-004A
LV41968-002A
LV32197-002A
LV41215-006A
LV30225-0A1A
3
SHIELD SHEET
EJECT ASSY
MINI SCREW
OPEN KNOB
SLIDE KNOB
PUSH BUTTON
ARM ASSY(L)
MINI SCREW
ARM ASSY(R)
MINI SCREW
BATT HOLDER
BATT CONTACT(-)
CHG CONTACT (+)
CHG CONTACT (-)
CHG CONTACT(S)
SHEET
4
5
FOR EJECT ASSY
VOL/SKIP/HOLD
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
FOR ARM ASSY(L)
FOR ARM ASSY(R)
B.CONTACT ASSY
BATTERY LID
SCREW
B.CONTACT ASSY
FOR PCB
PROTECTOR
MINI SCREW
SPACER
FOR PCB-MECHA
FOR MECHA(F)-PC
FOR PCB
TAP SCREW
SPECIAL SCREW
CAUTION LABEL
H.P JACK COVER
TAP SCREW
EJECT UNIT
MINI SCREW
HOLDER ASS'Y
MD DOOR BASE
MD DOOR COVER
HOOK
FOR MECHA
(M1.4 PX2.5,B)
SCREW
D.F TAPE
FOR MD DOOR
FOR LENS
SHEET
OPEN LABEL
LENS
MINI SCREW
SPACER
FOR MD DOOR
FOR SHEET
3-3
XM-PX50WT
Charger assembly and parts list
2
M
M
M
Block No.
4
6
7
8
5
Charger board
1
3
3
2
2
3
(Charger)
Parts list
Block No. M2MM
Description
Area
Item
Parts number
Parts name
BOTTOM CASE
Q'ty
A
1
2
3
4
5
6
7
8
LV20897-005A
LV40243-001A
QYSDSF2006Z
LV10451-001A
LV20898-001A
LV32349-002A
LV32350-001A
QYSDSF2006Z
1
2
4
1
1
1
1
1
PC CLEAR
FOR BOTTOM
BOTTOM+TOP
PC
FOOT
SCREW
TOP COVER
INNER CABI
LENS
PC
PMMA
HOOK
POM
SCREW
FOR HOOK
3-4
XM-PX50WT
2
M
M
M
MD mechanism assembly and parts list
Block No.
FLM-FPM
3
Grease
2
= FL-7750
= CFD-4007HY2
= FG-87HS
= 948P
15
16
1
Both side
10
8
9
+
2.1 0.1mm
-
10
9
8
11
12
13
17
5
6
14
14
7
(MD mechanism)
Parts list
Block No. M3MM
Description
Area
Item
Parts number
Parts name
Q'ty
A
1
2
LV20882-001A
QAR0113-001
QYSPSFT1425M
QAL0237-001
LV32031-001A
QYSPSGT1425N
LV32114-001A
LV41132-001A
LV41133-001A
LV41134-003A
QYSPSFT1425M
QAR0112-001
QYSPSFT1425M
LV41141-002A
WDM082520
CHASSIS ASS'Y
FEED MOTOR
MINI SCREW
PICK UP
1
1
2
1
1
1
1
1
1
1
1
1
3
1
1
1
3
(M1.4 PX2.5,B)
5
6
LEAD SPRING
MINI SCREW
LEAD SCREW
METAL
7
(M1.4 BX2.5,N)
8
9
10
11
12
13
14
15
16
17
WHEEL GEAR
SHAFT HOLDER
MINI SCREW
SPINDLE MOTOR
MINI SCREW
WORM GEAR
SLIT WASHER
MECHA FPC
(M1.4 PX2.5,B)
(M1.4 PX2.5,B)
LVB10188-001A
3-5
XM-PX50WT
Block No. 01
Remarks
Electrical parts list (Main board)
Item
Item
Remarks
Parts number
Parts name
Area
Parts number
Parts name
Area
A
A
C
62
63
64
65
NCB31HK-102X
NCB31HK-102X
NCB31HK-102X
NCB31HK-103X
NCS31HJ-391X
NCB21AK-105X
NCB21CK-224X
NCB31AK-224X
NBFA0GM-157X
NCS31HJ-391X
NCB21AK-105X
NCB21CK-224X
NCB31AK-224X
NBFA0GM-157X
NCB31HK-103X
NCB31CK-273X
NCB31CK-823X
NCB31HK-682X
NCB30JK-105X
NCB31HK-472X
NCB30JK-105X
NCB31CK-333X
NCB31AK-224X
NCB31HK-103X
NCB31EK-223X
NCB31CK-104X
NCB31HK-682X
NCB31HK-102X
NBE90JM-106X
NCB31HK-103X
NCB21CK-474X
NCB21AK-105X
NCB31CK-104X
NBE20JM-106X
NBE20JM-106X
NBE20JM-106X
NBE20JM-106X
NCS31HJ-7R0X
NCS31HJ-7R0X
NCB21AK-105X
NCB21AK-105X
NCB30JK-105X
NCB31CK-104X
NCB31HK-103X
NCB21CK-474X
NCB21AK-105X
NCS31HJ-471X
NCB21CK-474X
NCB31HK-153X
NCB21AK-105X
NBE21CM-335X
NCB30JK-105X
NCB30JK-105X
NCB31CK-473X
NCB21AK-105X
NCB31HK-222X
NCB31HK-102X
NCB31CK-473X
NCB21AK-105X
NCB31HK-682X
NCB31CK-473X
NCB21AK-105X
NCB21AK-105X
C CAPACITOR
C 503
C 504
C 506
C 507
C 509
C 510
C 512
C 513
C 590
C 602
C 603
C 604
C 613
C 614
C 630
C 631
C 901
C 902
C 903
C 904
C 906
C 921
C 923
C 924
C 961
C 962
C 963
CN300
CN301
CN401
CN601
D 400
D 901
IC300
IC351
IC400
IC450
IC501
IC502
IC504
IC505
IC601
IC901
IC921
IC961
K 101
K 201
K 601
K 602
K 603
K 604
L 400
L 501
L 602
L 901
L 902
NCB31CK-104X
NCB21AK-105X
NCB31CK-104X
NCB31CK-104X
NCB31CK-104X
NCB31HK-102X
NCB31CK-104X
NCB31HK-102X
NCB31HK-102X
NCB30JK-105X
NCB30JK-105X
NCB21AK-105X
NBE20JM-106X
NBE90JM-475X
NCS31HJ-331X
NCS31HJ-331X
NCB11AK-475X
NCS31HJ-221X
NBG40GM-226X
NBE40JM-476X
NCB31CK-104X
NCB21AK-225X
NCB21AK-105X
NCB31CK-104X
NCB21AK-105X
NCB21AK-225X
NCB31CK-104X
QGF0515F3-20X
QGF0515F3-20X
QGF0515F3-07X
QGF0515F4-06X
F02J4L-X
C CAPACITOR
C
C
C
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
TS E CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
TS E CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
TS E CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
TA E CAPACITOR
TA E CAPACITOR
TA E CAPACITOR
TA E CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
TS E CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
TA E CAPACITOR
TA E CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
TS E CAPACITOR
TS E CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
FFC CONNECTOR
FFC CONNECTOR
FFC CONNECTOR
FFC CONNECTOR
DIODE
C 102
C 103
C 111
C 112
C 113
C 202
C 203
C 211
C 212
C 213
C 300
C 301
C 302
C 308
C 309
C 310
C 311
C 312
C 313
C 314
C 315
C 316
C 317
C 318
C 319
C 320
C 321
C 323
C 325
C 351
C 352
C 353
C 354
C 355
C 356
C 357
C 358
C 359
C 360
C 371
C 372
C 373
C 374
C 376
C 377
C 401
C 402
C 403
C 404
C 450
C 454
C 456
C 457
C 458
C 459
C 460
C 461
C 463
C 500
PICK
PICK
MECHA
HP
F1J2E-X
DIODE
CXA2588R
IC
CXD2672GA
IC
DSP
MPC17A139MTB-X IC
CXA8095Q IC
UPD784225GK-617 IC(MCU)
AK93C55BH-W
IC-PST3421U-X
TC75S51F-X
IC
IC
IC
JCV8002-W
IC
XC6367A251M-X
TK11118SC-W
TK11223BMC-X
NQR0129-004X
NQR0129-004X
NQR0129-004X
NQR0129-004X
NQR0129-004X
NQR0129-004X
NQL114K-471X
NQL302N-100X
NQL38DM-1R0X
NQL32CM-220X
NQL114M-1R0X
2SA2018-X
IC
IC
IC
FERRITE BEADS
FERRITE BEADS
FERRITE BEADS
FERRITE BEADS
FERRITE BEADS
FERRITE BEADS
INDUCTOR
INDUCTOR
INDUCTOR
INDUCTOR
INDUCTOR
TRANSISTOR
TRANSISTOR
TRANSISTOR
TRANSISTOR
TRANSISTOR
DIGI TRANSISTOR
TRANSISTOR
Q
Q
Q
Q
60
61
63
64
DTC144EE-X
2SC4617/QR/-X
2SC4617/QR/-X
2SB1219/RS/-X
DTA144EE-X
Q 300
Q 301
Q 501
2SC4617/QR/-X
3-6
XM-PX50WT
Block No. 01
Remarks
Electrical parts list (Main board)
Item
Item
Remarks
Parts number
Parts name
Area
Parts number
Parts name
Area
A
A
R 373
R 376
R 377
R 378
R 379
R 380
R 385
R 386
R 387
R 388
R 400
R 402
R 450
R 451
R 454
R 455
R 459
R 460
R 461
R 463
R 466
R 501
R 503
R 504
R 506
R 507
R 508
R 509
R 510
R 511
R 512
R 513
R 514
R 516
R 517
R 518
R 519
R 520
R 521
R 522
R 523
R 524
R 525
R 527
R 529
R 530
R 601
R 603
R 604
R 613
R 901
R 908
R 909
R 922
R 961
R 962
R 965
R 966
R 967
NRSA6AJ-684W
NRSA6AJ-332W
NRSA6AJ-102W
NRSA6AJ-105W
NRSA6AJ-102W
NRSA6AJ-151W
NRSA6AJ-103W
NRSA6AJ-103W
NRSA6AJ-103W
NRSA6AJ-103W
NRSA6AJ-474W
NRSA63J-1R0X
NRSA6AJ-223W
NRSA6AJ-223W
NRSA6AJ-474W
NRSA63J-1R0X
NRSA6AJ-105W
NRSA63J-225X
NRSA6AJ-333W
NRSA6AJ-0R0W
NRSA63J-1R0X
NRSA6AJ-473W
NRSA6AJ-273W
NRSA6AJ-473W
NRSA6AJ-0R0W
NRSA6AJ-273W
NRSA6AJ-222W
NRSA6AJ-104W
NRSA6AJ-103W
NRSA6AJ-474W
NRSA6AJ-474W
NRSA6AJ-474W
NRSA6AJ-474W
NRSA6AJ-473W
NRSA6AJ-102W
NRSA6AJ-104W
NRSA6AJ-564W
NRSA6AJ-104W
NRSA6AJ-564W
NRSA6AJ-474W
NRSA6AJ-474W
NRSA6AJ-103W
NRSA6AJ-103W
NRSA6AJ-474W
NRSA6AJ-0R0W
NRSA6AJ-0R0W
NRSA6AJ-474W
NRSA6AJ-474W
NRSA6AJ-474W
NRSA6AJ-4R7W
NRSA6AJ-562W
NRSA6AJ-0R0W
NRSA6AJ-124W
NRSA63J-0R0X
NRSA6AJ-221W
NRSA6AJ-474W
NRSA6AJ-474W
NRSA6AJ-472W
NRSA6AJ-220W
NSW0140-001X
NSW0117-001X
NSW0134-001X
NSW0134-001X
NSW0134-001X
NAX0439-001X
NAX0427-001X
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
DETECT SWITCH
SLIDE SWITCH
TACT SWITCH
TACT SWITCH
TACT SWITCH
CRYSTAL
Q 502
Q 901
Q 904
Q 906
Q 961
Q 964
Q 965
Q 966
DTA143TE-X
TRANSISTOR
FMMT617-X
TRANSISTOR
TRANSISTOR
MOS FET
DTA124XUA-X
SSM3K01F-X
DTA143TE-X
TRANSISTOR
FET
SSM3J01F-X
DTC144EE-X
TRANSISTOR
TRANSISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MF RESISTOR
MG RESISTOR
MF RESISTOR
MG RESISTOR
MG RESISTOR
MF RESISTOR
MG RESISTOR
MF RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
DTA143TE-X
R
R
R
R
60
61
62
64
NRSA6AJ-472W
NRSA6AJ-474W
NRSA6AJ-474W
NRSA6AJ-474W
NRSA6AJ-223W
NRSA6AJ-392W
NRSA6AJ-100W
NRSA6AJ-392W
NRSA6AJ-103W
NRSA6AJ-223W
NRSA6AJ-392W
NRSA6AJ-100W
NRSA6AJ-392W
NRSA6AJ-103W
NRZ0053-R22X
NRSA6AJ-124W
NRSA63J-1R0X
NRSA6AJ-122W
NRSA6AJ-124W
NRSA6AJ-104W
NRSA6AJ-0R0W
NRSA6AJ-562W
NRSA6AJ-103W
NRSA6AJ-104W
NRSA6AJ-133W
NRSA6AJ-243W
NRSA6AJ-104W
NRSA6AJ-103W
NRSA6AJ-563W
NRSA6AJ-331W
NRSA6AJ-331W
NRSA6AJ-331W
NRSA6AJ-102W
NRSA6AJ-331W
NRSA6AJ-331W
NRSA6AJ-101W
NRSA6AJ-102W
NRSA6AJ-102W
NRSA6AJ-102W
NRSA6AJ-102W
NRSA63J-100X
NRSA6AJ-562W
NRSA63J-1R0X
NRSA63J-1R0X
NRSA63J-1R0X
NRSA6AJ-104W
NRSA6AJ-0R0W
NRSA6AJ-0R0W
NRSA6AJ-0R0W
NRSA6AJ-101W
NRSA6AJ-101W
NRSA6AJ-472W
NRSA6AJ-102W
NRSA6AJ-103W
NRSA6AJ-104W
R 101
R 103
R 111
R 112
R 113
R 201
R 203
R 211
R 212
R 213
R 301
R 303
R 304
R 305
R 306
R 307
R 308
R 310
R 311
R 314
R 315
R 316
R 317
R 318
R 320
R 321
R 322
R 323
R 324
R 325
R 326
R 328
R 335
R 336
R 337
R 338
R 339
R 341
R 351
R 352
R 353
R 354
R 355
R 356
R 357
R 364
R 366
R 367
R 369
R 371
R 372
S
60
S 501
S 502
S 503
S 504
X 300
X 500
ALPS
ALPS
ALPS
C RESONATOR
3-7
XM-PX50WT
Block No. 02
Remarks
Electrical parts list (Jack board)
Item
Parts number
Parts name
Area
Area
A
A
J 101
QNS0098-002
3.5 JACK
Block No. 03
Remarks
(Charger board)
Electrical parts list
Item
Parts number
Parts name
C
1
2
QETN1CM-227Z
NCF21AZ-475X
NCS31HJ-221X
NCF21CZ-105X
NCB31HK-103X
NCB31HK-103X
NCB31CK-683X
TLSU126-T
E CAPACITOR
220MF 20% 16V
C
C
C
C
C
C
D
D
IC
J
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
C CAPACITOR
LED
3
4
9
11
14
1
RED LED
DC JACK
2
MTZJ3.9B-T2
Z DIODE
1
BA10324AF-XE
QNA0025-001
LV32351-001A
LV32351-001A
LV32351-001A
KTB772/Y/
IC
1
3.5V
P
P
P
Q
Q
Q
Q
Q
Q
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
1
ASSY
2
ASSY
3
ASSY
1
TRANSISTOR
TRANSISTOR
TRANSISTOR
TRANSISTOR
FET
POWER TR
3
2SC2412K/R/-X
2SC2412K/R/-X
2SC2412K/R/-X
SSM3J01F-X
4
5
6
7
2SC2412K/R/-X
NRZ0063-R22X
NRSA63J-104X
NRSA63D-682X
NRSA63D-103X
NRSA63J-473X
NRSA63J-471X
NRSA63D-274X
NRSA63D-823X
NRSA63J-561X
NRSA63J-102X
NRSA63J-820X
NRSA63J-102X
NRSA63D-104X
NRSA63D-433X
NRSA63J-105X
NRSA63J-104X
NRSA63J-224X
NRSA63J-103X
NRSA63J-103X
NRSA63J-823X
NRSA63J-121X
QRE141J-103Y
NRSA63J-103X
TRANSISTOR
MF RESISTER
MG RESISTOR
MF RESISTOR
MG RESISTER
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
MG RESISTOR
C RESISTOR
MG RESISTOR
1
2
4
5
6
7
8
9
10
11
12
14
15
16
17
18
21
22
27
28
31
34
36
10K 5% 1/4W
3-8
XM-PX50WT
Packing materials and accessories parts list
4
5
M
M
M
M
M
M
Block No.
Block No.
A2
A3
A9
A1
A4
A6
P3
A7
A5
A8
P1
P2
(Packing)
Parts list
Block No. M4MM
Description
FOR SET
Item
Parts number
Parts name
Q'ty
Area
A
P
P
P
1
2
3
LV30245-003A
LV32550-002A
QPA01202505
POLY BAG
1
1
1
PACKING CASE
POLY BAG
FOR CHARGER
Parts list
(Accessories)
Block No. M5MM
Description
Area
Item
Parts number
Parts name
Q'ty
A
A
A
A
A
A
A
A
A
A
A
1
2
3
4
5
6
7
8
9
LVT0593-001A
LV42298-001A
QAB0024-006
LV30791-001A
QAL0281-001
QAN0021-006
QAL0252-004
LV32289-001A
LV30258-075A
INST BOOK
1
1
1
1
1
1
1
1
1
ENG
NI-MH BATTERY
BATTERY CASE
AC ADAPTER
HEAD PHONE
REMOCON
1400MAH
AA-R352 FOR CHA
SOFT CASE
UB SHEET
FOR UB MODEL
3-9
XM-PX50WT
VICTOR COMPANY OF JAPAN, LIMITED
AUDIO & COMMUNICATION BUSINESS DIVISION
PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan
Printed in Japan
200101(O)
(No.20901)
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