Sony CMT-NEZ50 (serv.man2) Service Manual ▷ View online
HCD-NEZ50
21
21
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
C367
Q318
R539
R540
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
C516
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
C517
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
R516
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)
(E, E51,MX,AR)
J302
(CHASSIS)
A
K
A/K
EPT151
JW240
(AEP, UK)
(E, E51, MX)
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. PLACA DE CIRCUITO IMPRESSO – Seção PRINCIPAL –
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
•
Localização do Semicondutor
(Page
25)
(Page 19) (Page 27)
(Page 25)
(Page 27)
: Utilizada solda sem chumbo.
Refer to SUPPLEMENT-1 for the HEAD PHONE board of printed
wiring board of Argentina model.
When repairing the set of except Argentina models, refer to either
of original service manual/SUPPLEMENT-1 according to the set.
wiring board of Argentina model.
When repairing the set of except Argentina models, refer to either
of original service manual/SUPPLEMENT-1 according to the set.
HCD-NEZ50
22
22
HCD-NEZ50
7-6. DIAGRAMA ESQUEMÁTICO – Seção PRINCIPAL (1/2) –
CN314
R506
R502
R501
C353
C352
R358
R376
100k
C351
Q343
R389
R387
R388
R377
R379
R381
R383
R378
R380
R382
R384
C363
R390
D321
CN500
L101
L201
JW229
JW230
R514
C364
Q342
D323
R129
R130
R229
R230
C332
C502
C335
C306
C309
C327
C316
C310
R304
C366
C321
C322
C326
C315
C319
C318
C317
C325
C311
D303
D304
FB304
C238
C138
CN317
FB306
FB305
J302
C328
D307
C515
R371
R370
470k
R369
470k
R391
R392
R153
C122
C119
R253
C222
C219
C507
C510
C509
R518
C503
R503
C506
R508
R509
C523
R504
R517
R521
D325
C525
R536
C526
C530
C524
C529
R539
R537
R538
C528
R513
C527
R512
IC501
CN318
CN321
JW
301
Q320
R340
C365
R339
C360
D301
Q319
C357
R338
R332
R333
R334
C359
R337
R336
Q318
R335
R540
R535
D313
R331
R330
D319
R328
R329
Q316
R318
R322
Q317
CN313
M301
FB151
C152
C252
R252
R151
R251
C251
C151
D151
J251
CN315
CNW151
IC303
C324
R152
EPT151
R523
R524
C505
C501
C504
R505
R385
R386
D320
D324
4P
1k
47k
1k
2200
35V
2200
35V
47k
100
25V
25V
2SC3052EF
10k
10k
10k
470
470
470
220
470
470
470
220
10 50V
100k
1SS355WTE-17
13P
10k
10
50V
2SA1235TP-1EF
UDZW-TE17-4.7B
4.7
4.7
4.7
4.7
1000p
470p
100
16V
16V
0.01
1000
10V
100p
100p
100p
4.7k
220p
100p
100p
100p
100p
100p
100p
22p
100p
100p
1N4002B
1N4002B
0
22
50V
22
50V
23P
0
0
100p
1SS355WTE-17
470
10V
10V
10k
10
1/2W
0.1
0.1
10
1/2W
0.1
0.1
1000p
0.01
0.01
47k
47
25V
470
47
25V
470
47k
10p
47k
47k
10k
MC2840-T112-1
0.0022
100
1/2W
0.0022
100
35V
35V
10p
100
35V
35V
10k
1k
10k
0.0022
2.2k
0.0022
2.2k
STK453-030A
7P
17P
2SK2158-T2
T2B
470k
4.7
50V
470k
1
MC2840
2SC3052F
0.1
470k
10k
10k
220k
1
47k
47k
2SC3052F
10k
10k
100
1/2W
MC2838
47k
47k
MC2840
-T112-1
10k
100k
2SC3052
2.2k
100k
KTA1273
3P
470p
470p
4.7k
10k
10k
220p
220p
MC2840-T112-1
3P
4P
BA09T
4.7
50V
50V
4.7k
100p
100p
0.1
470p
47k
1k
1/2W
MC2840
-T112-1
UDZW-TE17-4.7B
A1
A2
A4
A5
A7
A8
A9
A10
A11
A12
A13
A14
A17
A6
A15
A16
CD-L
CD-R
SCOR
SENS
XLAT
MP3-ACK
MP3-O-REQ
MP3-XLAT
MP3-DATA
CLK
MP3-I-REQ
XRST
XTACN
MP3-SSTB
MP3-CLK
DATA
SCOR
SENS
XLAT
MP3-ACK
MP3-O-REQ
MP3-XLAT
MP3-DATA
CLK
MP3-I-REQ
XRST
XTACN
MP3-SSTB
MP3-CLK
DATA
47
47
∗
DGND
PROTECT
HP-L
HP-L
HP-L
HP-R
HP-R
HP-R
HPGND
SP-L
SP-L
SP-L
SP-R
SP-R
SP-R
MGND
+UNREG
M+10V
GND(CT)
-B
GND
+B
(CHASSIS)
Q342,343
DC DETECT
L
R
AUDIO IN
D+3.3V
+9V REGULATOR
G
I
O
DATA
MP3-CLK
MP3-SSTB
D-GND
XTACN
XRST
MP3-I-REQ
CLK
MP3-DATA
MP3-XLAT
MP3-O-REQ
MP3-ACK
XLAT
SENS
SCOR
LED-GND
DATA
MP3-CLK
MP3-SSTB
D-GND
XTACN
XRST
MP3-I-REQ
CLK
MP3-DATA
MP3-XLAT
MP3-O-REQ
MP3-ACK
XLAT
SENS
SCOR
D-OUT
L-OUT
A-GND
R-OUT
MGND
VM(7V)
AVDD(3.3V)
DVDD(3.3V)
LED+9V
SPEAKER
RI-
LI-
RI+
LI+
GND
SUB
STBY
+VC
RO-
-VC
RO+
LO+
+VP
LO-
-VP
POWER AMP
I-P.MONITOR
Q318-320
DC DETECT
S
(1/2)
Q316,317
FAN MOTOR DRIVE
(FAN)
GND
AUDIO-IN R
AUDIO-IN R
AUDIO-IN R
GND
AUDIO-IN R
(CHASSIS)
220 1/2W(E,E51,MX,AR)
470 1/2W (AEP,UK)
∗R386
(Page 29)
(Page 29)
(Page 23)
(Page 20)
(Page 26)
(Page 23)
(Page 23)
HCD-NEZ50
23
23
HCD-NEZ50
7-7. DIAGRAMA ESQUEMÁTICO – Seção PRINCIPAL (2/2) –
R
1
17
R131
R309
R527
R525
R519
R520
R526
R528
R134
R107
C358
R135
R235
C235
C135
R228
R233
C218
R234
R231
R132
R133
R128
R243
R143
R145
R124
R125
R225
C213
R120
R220
C116
C216
C114
R147
R118
R218
R247
C120
C117
R
148
R
119
C217
C220
R
21
9
R
248
R249
R216
R116
R149
R217
R123
R121
R221
R114
R212
R209
R108
R239
R109
C139
C113
C214
R223
C
211
R214
R238
R112
R
2
11
C239
C140
C111
R111
C240
R204
C104
C204
R210
R206
R207
C103
R110
R105
C2
07
C106
R106
C
10
8
C208
R
205
C
20
3
R104
C206
IC302
R103
R203
R208
C304
R310
R201
R100
R101
C101
R368
R367
R366
Q348
C354
R311
R362
C356
Q347
CN301
R138
R232
C118
R102
C102
C202
R202
C201
R200
C314
C303
C362
C107
C302
T301
HRPE301
J500
EPT500
R312
C355
R222
R122
Q344
C313
R305
Q335
Q329
R306
Q334
Q328
Q326
R308
C312
R313
R315
Q332
R139
R314
Q327
R307
R
302
R303
C301
R
3
01
C331
C221
C121
JR115
JR215
C305
C367
R319
R317
R224
R245
C233
C133
WIRE300
R533
R531
R529
R534
R532
R530
R541
R542
R544
R546
R548
R543
R545
R547
R316
C338
R226 22k
R126 22k
JR136
JR236
C345
JW251
JW258
JW011
SHIELD BOARD
JW012
JW013
JW014
FB318
C330
2.2k
1k
1k
470
470
470
470
470
470
0
100k
0.01
100k
100k
10
50V
10
50V
1k
0
47000p
0
1k
1k
0
1k
10k
10k
0
22k
22k
22k
0.22
50V
10k
10k
470p
470p
0.47
50V
22k
10k
10k
22k
220p
1000p
2.2k
10
k
1000p
220p
10
k
2.2k
10k
47k
47k
10k
2.2k
2.2k
2.2k
2.2k
4.7k
22k
4.7k
10k
22k
4.7k
470p
0.22
50V
0.47
50V
2.2k
10
00
p
4.7k
2.2k
22k
22k
470p
220p
1000p
22k
220p
47
100
10V
10V
100
10V
10V
1k
4.7k
100k
100p
1k
220k
2.2
50V
0.022
4.7k
4700p
470
0p
220k
10
0p
47
0.022
BD3881FV
470
470
10k
0.0047
4.7k
47k
10k
47k
0.001
10k
2.2k
22k
RT1N141C-TP-1
47
16V
4.7
22k
0.001
KTA1266-GR-AT
7P
2.2k
1k
47000p
47k
2200p
2200p
47k
0.001
10k
0.01
4700p
10
50V
2.2
50V
220
10V
10V
4.7
0.022
470k
470k
2SC2001TP-LK
100
16V
16V
2.2k
2SC3052EF
2SC3052EF
2.2k
2SC3052EF
2SC3052EF
2SC3052EF
1k
4.7
50V
2.2k
10k
2SA1235
22k
10k
2SC3052EF
1k
100
k
10k
10p
22k
0.22
1
1
0
0
220
10V
10V
470p
22k
10k
22k
0
0.047
0.047
470
470
470
470
470
∗
10k
10k
10k
10k
10k
10k
10k
10k
10k
0.01
0
0
2200p
A1
A2
A4
A5
A7
A8
A9
A
10
A11
A12
A13
A6
A14
A17
A15
A16
STCLK
STCLK
STDOUT
STDOUT
STDIN
STDIN
STCE
STCE
TUNED
TUNED
CD-L
CD-R
∗
22k
BASS-R
OUT-R
BASS-L
OUT-L
AUX-L
CD-L
CD-R
RECO-R
RECO-L
NF-L
NF-R
AUX-R
HP-L
HPGND
HP-R
SP-L
SP-R
AMPMUTE
TAMUTE
FDATA
REC/PB
BIAS
ST-L
ST-R
ST CE
ST CLK
HP-L
HP-L
HP-R
HP-R
SP-L
SP-L
SP-R
SP-R
(2/2)
VEE
CONT
VDD
TRE-R
TRE-L
GND
VOLI-R
VOLI-L
PBO-L
PB0-R
NF-R
TC-R
TC-L
NF-L
AM
ANTENNA
COAXIAL
INPUT SELECT,
ELECTRICAL VOLUME
1
2
3
4
5
6
BIAS OSC
BIAS OSC
REEC BIAS SWITCH
L-CH
R-CH
(REC/PB/ERASE)
ERASE
FFC501
1
13
(CHASSIS)
Q349
B+ SWITCH
Q347,348
PHONES
REC/PB SWITCH
Q326-329,332,334,335
TUNER
(FM/AM)
STK-ON
DO UCOM->ST
DI ST->UCOM
SD(TUNED)
A-GND
DI
CLK
DO
CE
ST(TUNED)
L-OUT
VCC
R-OUT
(CHASSIS)
CN320
11P
CN319
9 P
FM 75
Ω
C520 0.01
C520
0.01
(Page 26)
(Page 22)
(Page 22)
(Page 22)
Refer to SUPPLEMENT-1 for the HEAD PHONE board of
schematic diagram of Argentina model.
When repairing the set of except Argentina models, refer to either
of original service manual/SUPPLEMENT-1 according to the set.
schematic diagram of Argentina model.
When repairing the set of except Argentina models, refer to either
of original service manual/SUPPLEMENT-1 according to the set.
HCD-NEZ50
24
24
HCD-NEZ50
•
Formas de ondas
– Placa CD – – Placa PRINCIPAL – – Placa PAINEL –
ws
IC801
od
(XO)
(CD play mode)
1 V/DIV, 100 ns/DIV
238 ns
3.6 Vp-p
wa
IC801
qf
(X1A)
1 V/DIV, 10
µ
s/DIV
30.6
µ
s
3.1Vp-p
3
IC201
u;
(RFACO)
(CD PLAY mode)
200 mV/DIV, 500 ns/DIV
0.5 to 1.3 Vp-p
22.8
µ
s
3.3 Vp-p
1
IC201
1
(LRCK)
(CD PLAY mode)
1 V/DIV, 10
µ
s/DIV
2
IC201
5
(BCK)
(CD PLAY mode)
1 V/DIV, 200 ns/DIV
472 ns
3.3 Vp-p
4
IC201
<z/,
(XTAO)
(CD PLAY mode)
1 V/DIV, 20 ns/DIV
59.4 ns
2.3 Vp-p
qa
T301
4
(REC mode)
50 V/DIV, 5
µ
s/DIV
12
µ
s
81.6 Vp-p
qs
Q344 (Collector)
(REC mode)
(REC mode)
5 V/DIV, 5
µ
s/DIV
12
µ
s
16.2 Vp-p
IC402
BA5947FM-E2
1
LEVEL SHIFT
MUTING
D
15
16
+
–
+
–
D
D
17
18
D
19
20
VREF
21
22
23
24
25
26
27
28
PREVCC
OPOUT
OUTVREF
CH4CAPA
CH4IN
CH3FIN
CH3RIN
GND
MUTE
POWVCC
CH3OUTF
CH3OUTR
CH4OUTF
CH4OUTR
OPIN
–
2
OPIN+
INTERFACE
14
13
D
12
11
D
10
9
8
7
6
CH2FIN
CH2RIN
GND
5
4
CH1FIN
CH1RIN
VREFIN
POWVCC
CH2OUTR
CH2OUTF
CH1OUTR
CH1OUTF
INTERFACE
D
D
3
SW
INTERFACE
•
Diagramas em Blocos dos ICs
– Placa CD –
IC302
BD3881FV
28
REC1O
27
REC1N
26
REC2N
25
REC2O
24
INC2
23
INC1
22
INB2
21
INB1
20
INA2
19
INA1
18
OUT1
17
BAS1
16
OUT2
15
BAS2
BASS
BASS
13
CONT
14
VEE
12
VDD
11
TRE2
10
TRE1
TREBLE
TREBLE
7
VOLIN1
8
VOLIN2
9
GND
VOLUME
VOLUME
6
PB1O
LOGIC
CONTROL
5
PB2O
4
PB2N
1
PB1N
2
PB1P
3
PB2P
– Placa PRINCIPAL –
Click on the first or last page to see other CMT-NEZ50 (serv.man2) service manuals if exist.