Sony CMT-NEZ31 / HCD-NEZ31 Service Manual ▷ View online
HCD-NEZ31
17
17
HCD-NEZ31
•
Circuit Boards Location
HEAD PHONE board
PANEL board
CD board
SHIELD board
MAIN board
TUNER (FM/AM)
DC board
CONNECT board
AC board
•
Note for Printed Wiring Boards and Schematic Diagrams
•
Indication of transistor
C
B
These are omitted.
E
Q
Note on Schematic Diagram:
•
All capacitors are in
µ
F unless otherwise noted. (p: pF)
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.
•
f
: internal component.
•
2
: nonflammable resistor.
•
5
: fusible resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
•
Voltages and waveforms are dc with respect to ground
under no-signal conditions.
– CD Board –
no mark : CD PLAY
– Other Section –
no mark : TUNER
(
under no-signal conditions.
– CD Board –
no mark : CD PLAY
– Other Section –
no mark : TUNER
(
) : CD PLAY
〈〈
〉〉
: TAPE PLAY
{
} : REC
•
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.
Voltage variations may be noted due to normal produc-
tion tolerances.
•
Circled numbers refer to waveforms.
•
Signal path.
F
: TUNER
J
: CD PLAY
E
: TAPE PLAY
j
: REC
f
: AUX IN
Note on Printed Wiring Board:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
B
These are omitted.
C
E
Q
B
These are omitted.
C
E
Q
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
HCD-NEZ31
18
18
HCD-NEZ31
7-3. PRINTED WIRING BOARD – CD Board –
R256
C257
R260
C206
C205
C322
R323
R322
R321
R324
C223
C321
C268
C267
R271
R203
C226
R201
C227
C110
C108
C102
C203
C204
C101
C274
C202
R207
C215
R202
C201
R423
R421
C424
C276
C210
Q321
C207
C266
C275
C323
C277
C406
R401
C401
C219
R276
C271
C272
C104
C105
C107
C109
C232
C220
X201
IC203
C403
R257
C258
C260
C261
R258
C304
C208
R101
R265
R266
R267
C264
C265
R278
C111
C214
R270
C221
C292
C291
R292
R291
IC201
C217
C218
C224
R451
R102
R103
R104
R105
R107
R108
R109
R110
R111
C451
IC402
C256
C251
C252
C254
C253
R254
R255
R252
R253
CN301
C213
C222
C405
R113
C404
R452
C112
R275
R277
C103
R112
C301
C303
C273
R268
C113
CN102
C230
R250
R280
M401
M402
S201
E
1-868-067-
12
(12)
CD BOARD
(COMPONENT SIDE)
1
3
5
4
1-868-067-
12
(12)
CD BOARD
(CONDUCTOR SIDE)
M
M
1
1
7
14
28
22
8
21
15
30
90
91
120
60
31
61
(SPINDLE)
(LIMIT)
(SLED)
A
MAIN
BOARD
CN317
TP
(RFACI)
TP
(VC)
OPTICAL PICK-UP BLOCK
(KSM-213CDP)
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
10
: Uses unleaded solder.
(Page
20)
•
See page 17 for Circuit Boards Location.
HCD-NEZ31
19
19
HCD-NEZ31
7-4. SCHEMATIC DIAGRAM – CD Board –
•
See page 23 for Waveforms.
•
See page 23 for IC Block Diagrams.
•
See page 29 for IC Pin Function Description.
C208
C205
R324
R101
R292
C110
R451
R102
R103
R104
R105
R107
R108
R109
R110
R111
R255
R253
C406
C301
R254
R252
R250
R268
R322
R321
C264
CN301
C222
C213
R291
C201
C219
R112
R113
C203
C108
C102
C101
C103
C105
C111
C104
C109
C107
C113
C112
R275
R277
R276
C271
C221
C273
C261
C260
R265
R266
R267
R258
C258
R260
C256
C207
C254
C253
C252
C251
C232
C206
C224
R278
C272
C204
C218
C291
C292
C217
C202
R401
C303
C322
C321
R323
R452
R421
C404
R207
C226
C265
C210
R256
C257
C323
Q321
C424
R423
C405
M402
M401
IC402
S201
TP
C230
TP
C220
C451
TP2
TP1
TP4
TP3
C274
R257
C304
IC201
R280
C401
R202
C268
C215
C276
C277
R201
CN102
C266
C267
R203
C275
C214
X201
R270
R271
C223
IC203
C227
0.1
0.1
100k
100
100
220p
22k
100
100
100
100
100
100
100
100
100
1k
1k
0.1
0.1
10k
10k
1M
10k
2.2
2.2
1000p
16P
0.1
0.1
100
100
10V
10V
0.1
100
100
100
10V
10V
220p
22p
22p
22p
22p
220p
220p
220p
220p
22p
22p
100
100
47k
0.1
0.1
470p
0.01
0.47
4.7k
1k
4.7k
220k
220p
0
0.1
100 10V
4700p
470p
4700p
470p
0.1
0.1
0.1
100
0.1
0.1
0.1
470p
470p
0.1
0.1
0
10
1
1000p
0
10k
0
0.1
0
1
0.1
0.1
22k
0.1
100
10V
10V
2SA2119K
0.1
10k
0.1
BA5947FM
100p
0.1
0.047
0.1
100k
1
CXD3014A-201R
0
220
10V
10V
0
10p
0.1
1
1
0
23P
10p
5p
5p
0.1
16.9344MHz
1k
1M
0.1
TK63118SCL-G
1
FR
DR
FFD
R
TRD
R
TFDR
FRDR
FFDR
TRDR
TFDR
SP-
SP+
S
L-
S
L+
SP+
SP-
SL+
SL-
OPIN-
OPIN+
CH1FIN
CH1RIN
CH2FIN
CH2RIN
GND
CNF4
POW
VCC
CH2OUTR
CH2OUTF
CH1OUTR
CH1PUTF
CH4OUTR
CH4OUTF
CH3OUTF
CH3OUTR
POWVCC
MUTE
GND
CH3RIN
CH3FIN
CH4IN
CH4CAPA
OPOUT
PREVCC
VREF
GAIN-SW
MIRR
DFCT
FOK
VSS
LOCK
MDP
SSTP
IOVSS1
SFDR
SRDR
TFDR
TRDR
FFDR
FRDR
IOVDD1
AVDD0
AVSS0
E
F
TEI
TEO
FEI
FEO
VC
A
B
C
D
AVDD4
RFDCO
PDSENS
AC_SUM
EG_IN
LD
PD
RFC
AVSS4
RFACO
RFACI
AVDD3
BIAS
ASYI
ASYO
VPCO
VCTL
AVSS3
CLTV
FILO
FILI
PCO
BCKI
LRCKI
LRCK
VSS
PCMD
BCK
VDD
IOVDD2
DOUT
TEST
IOVSS2
XVSS
XTAO
XTAI
XVDD
AVDD1
AOUT1
VREFL
AVSS1
AVSS2
VREFR
AOUT2
AVDD2
IOVDD0
IOVSS0
XTACN
XRST
VSS
VDD
SENS
WFCK
XUGF
XPCK
GFS
C2PO
SCOR
VDD
COUT
PCMDI
CLOK
SVSS
SVDD
SVSS
SVDD
VSS
SVDD
VDD
VSS
TEST1
SVSS
SVSS
SVDD
JTAGTCK
JTAGTDI
JTAGTDO
JTAGTMS
TRST
VDD
TES1
PLLVDD
PLLVSS
ACK-MP3
REQ-MP3
IREQ-MP3
SSTB-MP3
XLAT-MP3
XLAT
CLK2
DATA
DATA2
T+
VC
GND
LD
PD
F+
T-
F-
VCC
SCOR
SENS
CLK
XRST
D-OUT
DVDD(3.3V)
AVDD(3.3V)
E
D
A
B
C
F
VR
IREQ-MP3
REQ-MP3
ACK-MP3
XLAT-MP3
XLAT
DATA
DATA-MP3
CLK-MP3
GND
(LIMIT)
AUTOMATIC
POWER
CONTROL
CD DSP
FOCUS/TRACKING
COIL DRIVER,
SLED/SPINDLE
MOTOR DRIVER
OPTICAL
PICK-UP
BLOCK
(SPINDLE)
(SLED)
(VC)
(RFACI)
+1.8V REGULATOR
M-MUTE
D-GND
L-CH
A-GND
R-CH
M-GND
M+7V
XTCN
KSM-213CDP
VIN
STBY
NC
VOUT
(Page
21)
HCD-NEZ31
20
20
HCD-NEZ31
LP302
CN318
R
3
9
1
R
3
9
2
JW
3
0
2
JW
1
5
0
JW143
JW153
JW154
JW146
JW151
JW
1
4
7
JW145
JW144
JW142
JW
2
0
3
JW126
JW
1
4
8
JW
1
2
4
JW
1
4
9
JW175
JW
3
0
3
JW
2
3
4
JW
1
5
2
JW
1
3
5
JW
1
3
6
JW
1
3
9
JW
1
4
0
JW
1
3
8
JW
1
3
7
JW
1
4
1
JW187
JW160
JW115
JW116
JW162
JW201
JW202
JW159
JW
1
8
6
JW
1
8
5
JW
1
3
4
JW170
JW
1
7
1
JW
1
9
3
JW
1
9
4
JW
1
9
5
JW156
JW
1
5
5
JW117
JW163
JW157
JW161
JW198
JW200
JW199
JW219
JW
1
6
4
JW
1
6
5
JW
2
2
4
JW
2
3
3
JW
1
2
3
JW
1
1
9
JW
2
0
9
JW
2
5
0
JW
2
1
8
JW
2
0
7
JW
2
0
8
JW
2
1
0
JW
1
1
4
JW
2
1
5
JW
2
4
3
JW
1
3
0
JW
1
3
2
JW
1
1
0
JW258
JW113
JW
1
0
9
JW
1
0
8
JW106
JW104
JW
1
0
3
JW235
JW105
JW
2
3
6
JW254
JW107
JW255
JW
2
1
1
JW212
J321
JW
2
2
9
JW
2
3
0
JW
2
3
7
JW
2
3
2
JW125
JW
1
2
9
JW252
JW
1
6
8
JW
1
8
9
JW
1
2
2
JW216
JW
1
2
1
CN314
JW
1
9
2
JW
1
9
6
JW
1
9
7
JW217
JW221
C364
C351
Q344
D303
D304
JW
3
0
1
R153
CN500
IC501
C133
T301
C363
C358
C312
C304
C353
C356
C314
C235
C135
C207
C233
C365
Q347
L201
J302
C355
C362
CN320
R385
C503
C204
R386
C309
C303
IC303
C238
L101
R253
C506
CN321
C352
C313
C114
CN301
C515
C138
C107
CN319
C104
C213
C113
C214
C354
C302
C305
C
5
3
0
C529
WIER300
R
5
3
6
C335
R535
JW
2
2
0
JR152
CN317
C510
C509
C127
C227
C126
C226 R236
FB317
R137
R136
R237
D327
JR500
JR100
JR103
C366
R305
R524
R503
R307
R313
R315
R314
R316
JR215
R130
R229
C221
R340
R339
R149
C527
R230
R247
R248
R249
C360
JR236
C331
R319
R317
D321
D323
R387
R312
R311
R512
C120
Q332
R521
C220
R
5
1
8
R517
R304
R245
R233
R234
R145
R
1
3
4
R133
R335
R110
R139
R388
R389
R129
R224
R243
R143
R124
R310
Q320
FB305
R
1
3
1
R128
R384
R132
R362
R383
R239
R367
FB306
C222
R366
R147
R148
R368
R369
R390
C321
C306
C121
C330
C322
R370
C325
R376
C326
C327
C328
C525
Q328
C118
R337
R371
R333
R377
C505
R232
R231
R228
C140
C218
C239
R537
C
5
0
1
C528
R
5
1
3
R505
R
5
2
3
R336
C219
R332
R210
D324
D307
R138
C357
R100
R378
C526
JR115
D320
C139
C504 R506
R502
C502
R501
R
5
0
4
C
5
2
4
R508
R509
C523
R135
D319
R338
R334
Q348
R309
C310
C311
C315
C316
C317
C318
C319
FB304
R104
C208
C108
Q334
Q335
Q329
R204
IC302
C240
R
1
1
1
R
2
1
1
R112
R
2
1
2
R
1
1
4
R
2
1
4
C507
C211
C
3
5
9
C301
R379
C206
C106
R107
R207
R205
R206
R106
C102
C202
R102
R202
R203
R103
R105
C203
C103
R303
R514
R200
R380
R538
R235
C217
C117
C216
Q319
C116
R125
C111
R225
JR136
R238
R109
R209
R302
R306
R308
R126
R301
Q
3
4
2
Q
3
4
3
R358
R226
D325
R
1
0
8
R208
R101
R201
C201
C101
Q327
Q326
R216
R116
R218
R381
R118
R220
R120
R382
R222
R
2
1
7
R
1
1
7
R
2
1
9
R
1
1
9
R221
D301
C122
C119
R121
R122
R223
R123
Q318
R539
R540
C345
C367
JW
2
4
1
JW238
JW239
JW231
JW240
JW247
JW245
JW244
J500
R530
R519
R525
R526
R528
R527
R520
R532
R534
R533
R531
R529
R541
R542
R543
R544
R545
R546
R547
R548
WIRE
200
C521
C520
MAIN BOARD
1-869-180-
(14)
(14)
E
E
E
E
E
E
7
1
E
7
A/K
A
K
A/K
A
K
A/K
A
K
A/K
A
K
1
1
2
8
9
1
19
2
18
E
S
G
D
E
E
E
E
1
2
23
22
1
4
A/K
A
K
1
2
17
16
AUDIO IN
R
L
SPEAKER
+
+
–
–
B
DC BOARD
CN903
A
CD BOARD
CN102
D
PANEL
BOARD
C
DC BOARD
CN902
ERASE
L-CH
R-CH
HRPE301
(REC/PB/ERASE)
F
PANEL
BOARD
(CHASSIS)
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
K
1
2
10
11
1
3
C338
TUNER
(FM/AM)
FM 75
Ω
COAXIAL
ANTENNA
AM
FB318
C332
C511
C513
R515
R516
C514
C512
JW251
FFC501
PHONES
1-869-177-
(CHASSIS)
EPT500
14
(14)
(CHASSIS)
SHIELD BOARD
1-869-182-
14
(14)
HEAD PHONE BOARD
1
13
7-5. PRINTED WIRING BOARDS – MAIN Section –
: Uses unleaded solder.
(Page 24)
(Page 18)
(Page 26)
(Page 24)
(Page 26)
•
Semiconductor Location
IC302
C-6
IC303
H-7
IC501
H-12
Q318
F-10
Q319
F-10
Q320
F-10
Q326
C-4
Q327
C-5
Q328
D-4
Q329
D-4
Ref. No. Location
Ref. No. Location
D301
F-10
D303
D-9
D304
D-9
D307
E-10
D319
D-11
D320
E-11
D321
F-9
D323
H-8
D324
H-8
D325
E-10
D327
C-13
Ref. No. Location
Q332
D-4
Q334
D-4
Q335
D-5
Q342
E-10
Q343
E-10
Q344
A-4
Q347
B-2
Q348
B-3
•
See page 17 for Circuit Boards Location.
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