Sony CMT-NEZ50 / HCD-NEZ50 Service Manual ▷ View online
HCD-NEZ50
17
17
HCD-NEZ50
•
Circuit Boards Location
HEAD PHONE board
AUDIO IN board
PANEL board
CD board
MAIN board
TUNER (FM/AM)
DC board
CONNECT board
AC board
SHIELD board
(E, Chilean and Peruvian,
Mexican, Argentina models)
(E, Chilean and Peruvian,
Mexican, Argentina models)
•
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.
• 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
•
Abbreviation
AR
AR
: Argentina model
E51
: Chilean and Peruvian models
KR
: Korean model
MX
: Mexican model
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
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
Ver. 1.3
HCD-NEZ50
18
18
HCD-NEZ50
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
(Page
20)
•
See page 17 for Circuit Boards Location.
: Uses unleaded solder.
HCD-NEZ50
19
19
HCD-NEZ50
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
R
452
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
F
RD
R
F
FDR
TR
DR
T
FD
R
FRDR
FFDR
TRDR
TFDR
SP
-
S
P+
S
L-
S
L+
SP+
SP-
SL+
SL-
OPIN-
OPIN+
CH1FIN
CH1RIN
CH2FIN
CH2RIN
GND
CNF4
POWVCC
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/TRUCKING
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-NEZ50
20
20
HCD-NEZ50
JW
012
012
JW
011
011
JW
014
014
JW
013
013
1-870-475-
11,12,13
(11,12,13)
SHIELD BOARD
JR152
C510
C509
FB317
JR500
JR100
JR103
C347
C367
C123
C223
Q318
R539
R540
JR137
C343
C342
C332
C338
C345
R123
R223
R122
R121
C119
C122
D301
R221
R119
R219
R117
R217
R222
R382
R120
R220
R118
R381
R218
R116
R216
Q326
Q327
C101
C201
R201
R101
R208
R108
D325
R226
R358
Q343
Q342
R301
R126
R308
R306
R302
R209
R109
R238
JR136
R225
C111
R125
C116
Q319
C216
C117
C217
R235
R538
R380
R200
R514
R303
C103
C203
R105
R103 R203
R202
R102
C202
C102
R106
R206
R205
R207
R107
C106
C206
R379
C301
C359
C211
C507
R214
R114
R212
R112
R211
R111
C240
IC302
R204
Q329
Q335
Q334
C108 C208
R104
FB304
C319
C318
C317
C316
C315
C311
C310
R309
Q348
R334
R338
D319
R135
C523
R509
R508
C524
R504
R501 C502
R502
R506
C504
C139
D
320
JR115
C526
R378
R100
C357
R138
C517
C518
D307
D324
R210
R332
C219
R336
R523
R505
R513
C528
C501
R537
C239
C218
C140
R228 R231
R232
C505
R377
R333
R371
R337
C118
Q328
C525
C328
C327
C326
R376
C325
R370
C322
C330
C121
C306
C321
R390
R369
R368
R148
R147
R366
C516
C222
FB306
R367
R239
R383
R362
R132
R384
R128
R131
FB305
Q320
R310
R124
R143
R243
R224
R129
R389
R388
R139
R110
R335
R133
R134
R145
R234
R233
R245
R304
R517
R518
C220
R521
Q332
C120
R512
R311
R312
R387
D323
D321
R317
R319
C331
JR236
R329
R328
R331
R330
C360
R318
Q316
D313
R249
R248
R247
R230
C527
R149
R339
R340
R322
C221
R229
R130
JR215
R316
R314
R315
R313
R307
R503
R524
R305
C366
FB318
LP302
CN318
JW
302
JW
150
JW143
JW153
JW154
JW146
JW151
JW
147
JW145
JW144
JW142
JW
203
JW
126
JW
148
JW
124
JW
149
JW175
JW
303
JW
234
JW
152
JW
135
JW
136
JW
139
JW
140
JW
138
JW
137
JW
141
JW187
JW160
JW115
JW116
JW162
JW201
JW202
JW159
JW
186
JW
185
JW
134
JW170
JW
171
JW
193
JW
194
JW
195
JW
155
JW117
JW163
JW157
JW161
JW198
JW200
JW199
JW219
JW
164
JW
165
JW
224
JW
233
JW
123
JW
119
JW
209
JW
250
JW
218
JW
207
JW
208
JW
210
JW
114
JW
215
JW
243
JW
130
JW
132
JW
110
JW258
JW113
JW
109
JW
108
JW106
JW104
JW
103
JW235
JW105
JW
236
JW254
JW107
JW255
JW
211
JW212
JW
229
JW
230
JW
237
JW
232
JW125
JW
129
JW
252
JW
168
JW
189
JW
122
JW216
JW
121
JW
923
CN314
JW192
JW
196
JW
197
JW217
JW221
WIER300
JW
220
JW251
R536
C529
C530
C305
C302
C354
C214
C113
R535
C213
C104
CN319
C107
C138
C515
CN301
C335
C114
C313
C352
CN321
C506
R253
L101
C238
IC303
C303
C309
R386
C204
C503
R385
CN320
C362
C355
L201
Q347
C365
C233
C207
C135
C235
C314
C356
C353
C304
C312
C358
C363
T301
C133
Q317
CN313
IC501
C324
CN500
CN317
R153
JW
301
D304
CN315
JW
246
D303
Q344
C351
C364
R542
R543
R544
R545
R546
R547
R548
R541
R529
R531
R533
R534
R532
R520
R527
R528
R526
R525
R519
R530
C521
C520
WIRE200
JW
241
JW238
JW239
JW231
JW240
JW245
JW244
J500
C151
D151
FB151
R152
R151
R252
R251
C252
C251
C152
CNW151
J251
R392
R391
1-870-477-
MAIN BOARD
HEAD PHONE BOARD
1-870-481-
11
(11)
1-870-480-
AUDIO IN BOARD
HRPE301
(REC/PB/ERASE)
E
E
E
E
E
E
7
1
E
E
F
PANEL
BOARD
1
13
FFC501
PHONES
(CHASSIS)
EPT500
TUNER
(FM/AM)
FM 75
Ω
COAXIAL
ANTENNA
AM
7
1
C
DC BOARD
CN902
E
A/K
A
K
A/K
A
K
E
E
E
S
G
D
1
19
2
18
R
L
SPEAKER
+
+
–
–
AUDIO IN
1
4
B
DC BOARD
CN903
A
CD BOARD
CN102
D
PANEL
BOARD
A/K
A
K
A/K
A
K
E
3
1
3
1
E
A/K
A
K
(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
16
K
E
E
(AEP, UK, KR)
(E, E51, MX, AR)
(AEP, UK, KR)
(AEP, UK, KR)
(AEP, UK, KR)
(AEP, UK)
(AEP, UK, KR)
(AEP, UK, KR)
(E, E51, MX, AR)
(AEP, UK, KR)
(AEP, UK, KR)
J302
(CHASSIS)
A
K
A/K
EPT151
JW240
(AEP, UK)
(E, E51, MX)
(E, E51, MX, AR)
(E, E51, MX, AR)
M301
(FAN)
(FAN)
M
1
3
1
4
ERASE
L-CH
R-CH
11, 12, 13
(11, 12, 13)
11, 12, 13
(11, 12, 13)
7-5. PRINTED WIRING BOARDS – MAIN Section –
Q317
A-12
Q318
F-10
Q319
F-10
Q320
F-10
Q326
C-4
Q327
C-5
Q328
D-4
Q329
D-5
Q332
D-4
Q334
D-4
Q335
D-5
Q342
E-10
Q343
E-10
Q344
A-4
Q347
B-3
Q348
B-3
Ref. No. Location
Ref. No. Location
D151
A-16
D301
F-10
D303
D-9
D304
D-10
D307
E-10
D313
B-13
D319
D-11
D320
E-11
D321
F-9
D323
H-8
D324
H-9
D325
E-10
IC302
C-6
IC303
H-7
IC501
G-12
Q316
B-12
•
Semiconductor Location
(Page
24)
(Page 18)
(Page 26)
(Page 24)
(Page 26)
•
See page 17 for Circuit Boards Location.
: Uses unleaded solder.
Ver. 1.3
Refer to SUPPLEMENT-1 for the HEAD PHONE board of printed wiring
board of Argentina and Korean models.
When repairing the set of except Argentina and Korean models, refer to
either of original service manual/SUPPLEMENT-1 according to the set.
board of Argentina and Korean models.
When repairing the set of except Argentina and Korean models, refer to
either of original service manual/SUPPLEMENT-1 according to the set.
Click on the first or last page to see other CMT-NEZ50 / HCD-NEZ50 service manuals if exist.