Sony CDX-CA750 / CDX-CA750X / CDX-CA760X Service Manual ▷ View online
2
CDX-CA750/CA750X/CA760X
MAIN Board Part No.
Former type : 1-680-867-11
New type : 1-680-867-12
Former type : 1-680-867-11
New type : 1-680-867-12
– MAIN BOARD (side A) –
SUB (CD) Board Part No.
Former type : 1-680-868-11
New type : 1-680-868-12
Former type : 1-680-868-11
New type : 1-680-868-12
– SUB (CD) BOARD (side A) –
3
3
CDX-CA750/CA750X/CA760X
Note:
The components identi-
fied by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specified.
The components identi-
fied by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque 0 sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
Les composants identifiés par
une marque 0 sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
for 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.
• A : B+ Line.
• Power voltage is dc 14.4V and fed with regulated dc power
• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC and BATT cords.
• 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/MW/LW
J
: CD
• (
) : Page of service manual
((
)) : Page of service manual supplement-1
• Abbreviation
CND : Canadian model
for printed wiring boards:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
x
: parts mounted on the conductor side.
•
a
: Through hole.
•
: Pattern from the side which enables seeing.
(The other layer’s patterns are not indicated.)
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.
• (
) : Page of service manual
((
)) : Page of service manual supplement-1
• Abbreviation
CND : Canadian model
• Waveforms
— Servo Board —
(MODE: CD PLAY)
1
2
3
IC1
qh
(RFO)
1.2Vp-p
4
16MHz
IC501
ih
(XTAI)
0V
5
10MHz
IC5
ea
(X IN)
1.4Vp-p
Approx. 200mVp-p
IC1
qd
(TE)
4.2Vp-p
0V
Approx. 620mVp-p
IC1
qf
(FE)
—
Main Board
—
1
2
4.332MHz
IC201
4
(OSCD)
5Vp-p
5.1Vp-p
3
32.768kHz
IC501
uf
(X0A)
4
3.68MHz
IC501
os
(XO)
18.432MHz
IC701
ih
(EXTAL)
2.2Vp-p
1.6Vp-p
4
4
CDX-CA750/CA750X/CA760X
1. PRINTED WIRING BOARD — MAIN SECTION — • Refer to page 3 for common note.
R425
R423
C601
IC601
R424
R107
R422
R605
R652
C351
C353
C102
C603
C106
C107
C350
C352
R103
R130
D110
R369
R604
R118
R385
R105
R113
R370
R102
R607
R131
Q104
R117
R405
R109
R110
R116
R114
R115
R653
R384
R106
R108
R111
R383
R104
D609
D603
D607
D105
D107
D601
D608
D610
Q106
Q602
Q603
Q101
Q102
Q103
R372
D106
Q105
C354
R125
R601
R386
C602
R426
R428
R427
R429
C386
C387
C388
C389
C413
R359
R387
IC309
C335
C339
C309
C382
C701
C341
IC303
R703
IC308
C376
R346
R347
R348
C306
C308
C411
R388
R389
R390
R391
R396
R341
C346
R522
R397
C318
C302
C385
R398
R401
C315
C804
R326
C515
C202
R813
C516
R731
C365
C368
R318
C702
R380
IC302
FB403
R417
R203
R742
R743
R332
R335
R368
R711
C379
R402
R403
R403
Q405
R730
R803
R373
C414
IC801
R309
R312
R315
R333
R334
R379
R302
R360
R310
R313
R381
R382
FB402
Q201
R503
IC202
C305
R221
R220
R314
R219
R218
R217
D310
R216
R215
R214
R214
D311
R213
R212
R211
R208
R207
Q303
Q402
Q304
Q403
Q205
Q204
FB501
Q802
Q803
D204
C364
C229
C708
C228
C224
C223
C222
C221
C220
C219
C218
C718
C216
C217
C213
C212
R210
C317
C323
C322
C332
C326
C331
C345
R209
C378
C204
C501
IC702
Q207
Q705
Q706
Q703
Q202
C394
Q701
Q407
C337
C722
D203
R364
D504
D202
D715
D501
R724
R721
C412
R316
R317
R319
R320
R321
R322
R323
R324
R325
FB401
R327
R328
R329
R330
R331
R345
R337
R306
Q702
R357
R358
C514
R733
R392
R393
R394
R395
C310
R501
R541
R534
R533
R539
D802
D653
FB201
FB301
R704
R525
R524
R516
R515
R508
R511
R507
R729
R510
R509
R204
R801
R740
R739
R738
R741
R728
R717
X201
R205
R737
R307
R720
FB701
R718
R532
C801
R523
R512
R339
R365
D703
C522
D707
C717
C716
C706
C705
C704
R513
C512
C507
C505
C503
C377
C209
C508
C511
D505
C711
C715
C713
IC305
C506
IC310
C712
C710
C709
C381
C374
IC502
R399
IC201
C211
C207
C208
C210
R504
R202
C380
C390
R311
R
400
C391
C392
D105
D-7
D106
C-6
D107
C-5
(D110)
E-5
D202
H-12
D203
H-12
<D204>
I-11
D310
G-8
D311
H-7
D501
K-5
D504
K-6
<D505>
K-8
D601
D-4
D603
C-2
D607
E-3
D608
D-3
D609
D-3
D610
D-4
D653
K-9
D703
K-13
D707
K-13
D715
J-4
(D802)
H-10
<IC201>
I-13
<IC202>
H-11
(IC302)
D-11
(IC303)
D-10
IC305
F-11
(IC308)
E-11
(IC309)
E-10
(IC310)
E-12
IC502
K-6
IC601
D-3
IC702
J-10
(IC801)
H-10
Q101
C-4
Q102
D-5
Q103
B-5
Q104
C-6
Q105
C-6
Q106
C-5
Q201
G-11
Q202
G-11
<Q204>
G-12
<Q205>
H-11
Q207
H-12
Q303
G-8
Q304
G-7
Q402
H-2
Q403
H-2
Q405
G-3
Q407
G-4
Q602
C-3
Q603
C-3
Q701
K-8
Q702
J-3
Q703
J-4
Q705
K-3
Q706
K-4
Q802
G-2
Q803
F-2
Ref. No.
Location
• Semiconductor Location (Side A)
Ref. No.
Location
(
) : CDX-CA760X only
<
> : AEP, UK model only
5
5
CDX-CA750/CA750X/CA760X
C373
R308
R531
R301
R336
R406
Q406
R734
R344
R712
R745
D
605
D604
R654
R714
R223
C513
R530
Q306
R338
R343
C375
C201
R804
C402
D606
C415
R376
R342
C410
C333
R375
R201
R377
R378
C307
C359
R
805
C325
R746
C227
R305
R430
C303
C340
C360
Q310
C321
C356
C304
R540
R514
R521
R518
R506
C338
R410
C215
D402
C214
C357
R303
C342
C510
C401
C393
Q309
C336
Q307
Q308
C802
D401
D503
R340
C330
C383
D801
R407
R706
R802
R408
C404
R536
R535
C226
R806
R749
R750
R709
R708
C518
R526
R304
R505
IC304
R705
R517
R713
R527
IC501
R702
R206
R736
R735
R715
R707
R222
C384
IC301
C723
D708
C707
C703
R716
C504
C206
C509
C714
L201
C313
IC701
R732
R748
D304
F901
C232
C416
R747
IC351
CN101
CN601
J651
D101
TH601
TH101
TH102
D306
C103
C349
L101
C108
C406
D305
D302
D307
D303
D301
S101
C520
CN302
Q801
CN401
C343
C805
C328
C205
C316
C347
C344
C405
C312
C311
C314
X502
C806
C803
C407
CN201
C203
C319
C408
C320
C324
C329
C334
C403
D308
X701
C604
Q401
Q501
C521
C225
CN701
TUX201
X501
S102
C519
C358
C327
CN301
A E P , U K M O D E L
U S , C N D M O D E L
((Page 10))
(Page 29)
Ref. No.
Location
D101
B-4
D301
B-7
D302
B-7
D303
B-6
D304
B-6
D305
B-7
D306
B-8
D307
C-8
D308
C-8
D401
G-2
D402
G-3
D503
I-2
D604
C-2
D605
C-2
D606
C-2
D708
K-11
D801
G-2
IC301
F-9
IC304
F-10
IC351
B-7
IC501
J-7
IC701
J-10
Q306
C-10
Q307
C-10
Q308
C-11
Q309
C-11
Q310
E-12
Q401
G-1
Q406
G-4
Q501
H-1
Q801
F-1
• Semiconductor
Location (Side B)
• (
) : Page of service manual
((
)) : Page of service manual supplement-1
• Abbreviation
CND : Canadian model
Click on the first or last page to see other CDX-CA750 / CDX-CA750X / CDX-CA760X service manuals if exist.