Sony WX-4500X Service Manual ▷ View online
29
29
WX-4500X
6-5. CIRCUIT BOARDS LOCATION
Note on Printed Wiring Boards:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
a
: Through hole.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
(The other layer’s patterns are not indicated.)
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS
AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
%
: indicates tolerance.
•
f
: internal component.
•
C
: panel designation.
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side: Parts on the parts face side seen from the
(Side A)
(Side A)
parts face are indicated.
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
•
A
: B+ Line.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC and BATT cords.
• Voltage and waveforms are dc with respect to ground
under no-signal conditions.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
f
: AM
E
: TAPE
J
: CD
MAIN board
MOTOR board
CD MAIN board
SW board
DISPLAY board
JOG board
• Waveforms
— MAIN SECTION (2/3) —
1
2
32.768kHz
IC700
uf
(X0A)
2.1Vp-p
3.9Vp-p
3.58MHz
IC700
os
(X0)
• Waveforms
— CD MECHANISM SECTION —
(MODE : CD PLAY)
(MODE : CD PLAY)
3
1
2
IC102
8
(ARF)
1.2Vp-p
Approx. 390mVp-p
IC102
w;
(TEO)
IC101
td
(PCK/DSLB)
16.9344MHz
IC101
tk
(16M)
5MHz
IC103
u;
(X1)
4
5.4Vp-p
5
3.6Vp-p
6
4.1Vp-p
0V
Approx. 180mVp-p
IC102
wd
(FEO)
0V
1.9µsec
30
30
WX-4500X
6-6. PRINTED WIRING BOARD — CD MECHANISM SECTION — • Refer to page 29 for Circuit Boards Location.
Ref. No.
Location
IC101
D-5
IC102
B-7
IC103
F-4
IC201
F-9
Q101
C-9
• Semiconductor
Location
CNJ102
IC201
CNJ103
X301
C138
C101
BP1
BP2
BP3
BP4
BP5
CNP102
TP311
TP306
TP309
TP308
TP307
TP310
TP304
TP305
JC306
JC305
JC307
JC311
JC312
JC309
JC310
JC114
JC110
JC112
JC123
JC313
JC121
JC103
JC102
JC212
JC213
JC139
JC106
JC107
JC104
JC101
JC105
JC138
JC137
JC301
JC303
JC308
JC208
JC209
JC203
JC210
JC211
JC202
JC201
R206
C201
JC205
JC133
JC134
Q101
JC108
C135
JC135
R133
R126
JC136
CNJ101
C116
IC101
R129
IC102
X101
JC119
TP104
TP101
R123
C124
R122 C127
R137
R117
R106
C128
C121
R113
R301
R209
C132
R102
C105
C118
C102
R101
C110
R203
C106
R207
R202
R119
R208
R115
R112
R148
C302
C137
R135
C120
R124
C136
R204
C111
C119
R108
C113
R110
R109
R107
R105
R104
R103
R111
R130
C141
C108
R205
C115
C125
C123
R116
C103
C122
C126
C139
R134
R114
R132
C117
C112
C130
R128
C140
R125
R120
R305
C114
C129
C206
R302
C301
R121
R127
R304
R149
R150
R143
R144
R141
R142
C145
C146
C147
R145
R146
R147
JC111
JC109
JC115
JC116
JC124
JC125
JC126
JC127
JC128
JC129
JC130
JC131
JC140
C104
IC103
C303
C207
R307
JC141
R152
JC142
C131
C133
JC122
R151
TP103
TP105
TP302
TP301
TP303
SW3
(LOADING DETECT)
M903
(LOADING)
SW2
(DISC DETECT)
M902
(SLED)
M901
(SPINDLE)
SW4
CHUCKING
DETECT
( )
1
4
–
+
–
+
2
5
1
6
ORG
BLU
SW5
(LIMIT)
(Page 33)
31
31
WX-4500X
6-7. SCHEMATIC DIAGRAM — CD MECHANISM SECTION — • Refer to page 29 for Waveforms. Refer to page 41 for IC Block Diagrams.
Note:
• Voltage and waveforms are dc with respect to ground
under no-signal conditions.
no mark : CD PLAY
no mark : CD PLAY
∗
: Impossible to measure
CNJ101
JC102
JC103
JC101
JC305
JC306
C302
JC307
JC114
JC110
JC112
JC105
JC104
JC213
JC212
C102
C101
TP105
TP104
TP103
R121
C118
JC138
JC139
C133
C138
JC106
C115
R119
R134
R135
TP101
C117
R117
C103
BP4
JC310
JC309
BP3
JC313
TP303
TP302
TP301
TP304
TP305
TP306
TP307
TP308
TP309
TP310
R307
R302
JC121
C136
R106
IC101
C112
C113
R116
C111
R112
R113
BP1
BP2
C120
R152
C108
R109
R103
C105
JC123
X301
BP5
TP311
JC308
JC303
JC301
R304
R305
R301
JC205
R137
C128
R125
R124
C127
R122
C123
C121
R143
C125
C132
C130
C129
R147
IC102
C147
R205
R204
R203
R202
JC201
IC201
JC211
JC210
C201
JC209
JC208
C207
R126
R133
C137
C135
C119
R128
R127
JC108
CNJ102
R129
R132
JC107
R101
R110
R108
R107
R105
R107
R105
R104
R102
R111
C106
R115
R114
C145
JC137
C116
C141
C141
R145
R146
JC135
R146
JC135
R209
C206
R207
R208
R206
R141
R142
R142
C139
C140
JC312
JC311
JC311
C126
C301
JC202
JC203
CNJ103
CNP102
SW5
M902
M901
SW2
SW3
SW4
M903
JC136
JC131
R150
JC111
R149
JC119
JC127
JC130
JC128
R148
C104
C303
IC103
JC129
JC142
JC116
JC115
JC122
JC109
Q101
JC124
JC141
JC134
JC126
JC125
JC133
C114
JC140
R120
C110
R123
C124
R130
C146
R144
C131
X101
C122
R151
IC B/D
IC B/D
IC B/D
(Page
35)
32
32
WX-4500X
6-8. PRINTED WIRING BOARD — MAIN SECTION — • Refer to page 29 for Circuit Boards Location.
C20
C108
C111
C208
C211
C307
C314
C315
C321
C653
D650
D651
L300
Q650
Q651
Q653
Q654
Q907
Q908
R119
R219
R312
R316
R317
R650
R651
R652
R653
R654
R656
RB700
RB701
IC700
R118
R218
X451
IC701
R722
R205
R204
R104
R715
IC702
R720
C323
IC800
Q900
Q902
Q904
Q800
D803
R751
R753
C903
D757
Q751
R752
Q750
D756
D750
D755
D754
Q450
Q451
C463
D452
L452
C462
D908
R861
C834
T800
R850
R849
Q810
C837
C838
R862
R863
R
455
L804
C842
Q803
R822
Q801
IC801
R860
R868
R807
C807
C900
R902
Q903
D809
Q809
L805
C830
R834
R836
R830
D808
Q808
L803
C827
C825
R831 R832
C841
L802
D807
Q804
C823
L801
R828
R827
D806
Q805
C821
Q806
R825
D805
D804
Q807
Q813
IC803
R839
R838
R837
R842
R840
R841
R841
R833
R846
D801
R895
D453
R921
R922
R920
R413
C407
R404
D800
R408
L806
C721
TP701
G1
Q906
R912
R913
C317
Q905
C718
D903
C112
C109
C212
C209
R3
D900
D901
TH900
R340
TH901
R341
D812
D752
D753
D751
C1
Q1
D1
R318
C304
R110
R111
R111
C107
C16
C301
C311
Q300
R539
C712
R900
Q303
L901
C820
C833
C902
Q812
R456
C418
C425
C416
R411
R410
R409
R400
R402
R401
C412
C404
C405
C405
C401
R403 R405
C408
C409
C2
R1
R2
C5
C10
R4
R5
R6
R7
R8
C19
C18
C14
R9
R10
R303
R305
R302
C303
C308
C302
R114
R217
R214
R117
C322
C651
C654
C750
R896
C720
R721
R806
C806
R812
R704
R712
R714
R716
C710
C711
R733
R727
R729
R723
C652
R726
R713
R909
C464
C905
IC300
IC100
IC200
IC650
IC400
IC750
D701
D909
R864
C417
C419
R414
R415
C420
C421
R412
C423
R417
C426
C422
R416
C424
R804
R805
R212
D300
R215
R115R105
R211
R210
C207
R906
R901
R810
R811
R818
R813
R814
R815
R816
R819
R823
R829
R824
R904
R905
C901
R803
R801
R802
R800
R711
R719
C828
C410
R730
C312
D302
R308
C325
C865
C101
C201
C103
C203
C104
C204
D304
C470
C471
C480
C481
R470
R471
R472
R480
R481
R482
C400
C414
C465
C808
C813
C809
C655
C305
C817
C818
C819
C660
C661
C662
C663
C824
C831
C815
C802
C804
C811
C703
C803
C805
R735
R750
R655
R903
R313
R908
R923
R907
R315
R206
R207
R230
R407
R314
R847
R893
R848
R858
R859
R113
R116
R213
R216
R319
R406
R734
R707
R701
C836
R852
R853
R854
RV401
RV400
D630
D811
D810
Q814
R894
C13
C839
R808
D813
L1
L2
R399
R418
C427
C428
R200
R700
R702
C709
R718
R717
C708
Q301
R321
C832
R756
R755
R309
R306
C15
R911
C810
C21
C413
C701
R710
D700
C705
R11
IC301
C713
D305
C205
C472
C482
R725
R307
R345
C310
R320
C309
C327
C106
C206
R222
D306
C328
C403
C415
C402
R419
R421
R100
R221
R122
R121
C116 C216
R910
IC451
C217
C117
C450
R112
Q302
Q304
R107
R106
C105
R130
R724
C707
IC1
TP3
TP4
L900
R708
X700
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