Sony CX-JN331 / CX-JPK331 / JAX-N331 Service Manual ▷ View online
CX-JN331/JPK331
33
33
CX-JN331/JPK331
JW866
JW874
JW872
JW871
JW879
JW873
JW876
JW875
C871
C872
C873
C874
C875
C876
FB871
FB872
CN874
CN873
CN871
JW877
JW878
JW865
100p
0.01
100p
470p
0.1
0.1
0
0
9P
17P
27P
M+7V
XTCN
XLT
XRST
DATA
MP3(3.3V)
SCOR
SENS
CLK
AVDD(3.3V)
DVDD(3.3V)
M+7V
MP3-CLK
MP3-CS
MP3-LP
MP3-ACK
MP3-REQ
MP3-REST
MP3-DO
MP3-DI
XTCN
CD-DATA
CD-CLK
SENS
SCOR
XRST(REST)
XLT(CD-LAT)
NC
MP3-STB
M-GND
R-OUT
A-GND
L-OUT
D-GND
D-OUT
AVDD
DVDD
MGND
MGND
MP3STB
MP3REQ
MP3ACK
MP3CK
MP3DIO
MP3LP
MP3CS
MP3RST
MP3GND
ROUT
AGND
LOUT
DGND
DOUT
7-9. SCHEMATIC DIAGRAM – CDMP3 CONNECT Board –
(Page 29)
(Page 36)
(Page 40)
CX-JN331/JPK331
34
34
CX-JN331/JPK331
C275
C101
C102
R198
C109
R106
R107
C108
C104
C103
R197
C111
C112
C113
C114
R281
R282
R283
R284
C110
C107
C117
R109
C115
R110
C121
R113
C119
C122
R136
R135
C147
R134
C150
C151
C149
C148
R133
C146
C144
C143
C145
C141
C142
C138
C137
C186
C187
C184
C183
C181
R170
C178
R166
C179
C177
C176
C185
R172
R169
R173
R174
C188
C190
C189
Q105
R165
R163
R164
R159
R161
R160
R158
R157
R162
C175
R155
R153
Q102
R152
R156
R154
IC102
C157
C159
C160
C165
C166
C154
R137
C153
C152
R151
C191
C192
C128
C127
C124
C125
C123
R115
R177
C274
Q107
R121
C132
R129
Q106
R176
D215
R175
C206
C193
JK101
C172
R146
C171
R145
R144
R143
R139
R138
C169
C167
R105
R108
R128
R122
R130
R131
R127
R132
Q101
Q103
Q104
R171
R167
IC101
C136
C139
C
140
R168
FB205
R254
R102
R101
C118
R116
R117
R120
R119
C135
C129
C120
R194
C126
C105
C106
R103
R140
R104
R114
C116
R195
R280
CN324
R112
R111
47p
1
50V
1
50V
2.2k
0.01
330k
15k
220p
0.1
50V
0.1
50V
2.2k
1
50V
1
50V
1
50V
1
50V
2.2k
2.2k
2.2k
2.2k
10
50V
10
50V
220p
470k
0.01
330k
220p
330k
0.01
10
50V
4.7k
4.7k
10
50V
4.7k
0.01
0.01
0.01
0.01
4.7k
0.1
0.1
1
50V
10
50V
10
50V
10
50V
10
50V
10
50V
47
16V
0.01
47
16V
22p
47p
10k
47
16V
10k
47p
22p
10
50V
10
50V
100
100k
10k
10k
22
50V
0.01
22
50V
2SC3052
10k
10k
1k
10k
10k
1k
2.2k
47k
2.2k
2.2
50V
50V
4.7k
10k
2SA1235
10k
470k
10k
NJM4565M
1 50V
1 50V
1 50V
1 50V
1 50V
0.47
10k
0.0022
0.0022
4.7k
2.2
50V
50V
2.2
50V
50V
100
10V
10V
100
10V
10V
100p
100p
22 50V
1M
220k
47p
2SC3052
47k
47
16V
47k
2SC3052
220k
1SS355
10k
2200p
2200p
2P
470p
100k
470p
100k
1k
1k
0
1k
1 50V
1 50V
390
390
15k
220k
220k
15k
4.7k
4.7k
2SC3052
2SC5938
2SC5938
22k
22k
BD3401KS2
0.1
0.1
0.1
100k
0
100
10k
10k
10
50V
100
100
1M
47k
0.1
47
16V
0.33
220p
0.01
330k
1k
15k
10
4P
470k
A1
A2
A3
A4
A5
A6
A7
A8
B2
B3
B4
B6
B7
C1
C2
C3
B8
BD3401 CLK
BD3401 DATA
MDL
MDL
MDR
MDR
TU-L
TU-R
SAOUT
AMSOUT
ROUT
LOUT
CDR
CDL
A1
TAPEA1
TAPEA2
TAPEB1
TAPEB2
∗
∗
∗
∗
∗
∗
P
B
N
F2
P
B
N
F1
TA
P
E
A
1
T
A
P
E A
2
T
A
P
E B
1
TA
P
E B
2
R
E
C
O
U
T1
RE
C
O
U
T2
R
E
CN
F2
R
E
C
N
F1
ALC
SC
SI
VDD
GND
VCC
1/2VCC
FILTER
SW OUT
LF4
LF3
LF2
LF1
BBIN2
BBNF2
B
B
N
F1
B
B
IN
1
V
IN
1
TO
N
E O
U
T
1
V
IN
2
T
O
N
E O
U
T2
A
M
S
O
U
T
B
N
F2
B
O
U
T2
B
O
U
T1
B
N
F1
M
N
F1
M
O
U
T2
M
O
U
T
1
M
N
F2
TNF2
TNF1
SUR1
SUR2
P
B
O
U
T
2
P
B
O
U
T
1
SAOUT2
SAOUT1
CAP
MIC
C
D
L
C
D
R
TUNER R
TUNER L
T
A
P
E R
T
A
P
E L
MD L
MD R
GAME L
GAME R
LINE OUT2 (R)
LINE OUT1 (L)
VOL OUT1
VOL OUT2
(1/4)
L
R
VIDEO/MD
IN
Q101,102
MUTING
CONTROL
MUTING
LINE AMP
MUTING
MUTING
POWER ON
INPUT SELECT,
TONE CONTROL,
ELECTRICAL VOLUME
SWITCH
FEED BACK
SWITCH
FEED BACK
(JN331/JPK331:MX)
(JPK331:E51)
68k(JN331)
120k(JPK331)
∗
C116,120
220p(JPK331)
390p(JN331)
∗
R194,195
4.7k(JN331)
6.8k(JPK331)
MIC GND
MIC SIG
MIC 9V
MIC CTL
(JPK331:E51)
∗
R111,114
7-10. SCHEMATIC DIAGRAM – MAIN Section (1/4) –
•
See page 46 for IC Block Diagram.
(Page 35)
(Page 37)
(Page 36)
(Page 41)
CX-JN331/JPK331
35
35
CX-JN331/JPK331
7-11. SCHEMATIC DIAGRAM – MAIN Section (2/4) –
•
See page 46 for IC Block Diagrams.
•
See page 46 for Waveforms.
D212
C258
C259
R266
D214
R265
D213
R353
R351
R352
Q351
Q352
R354
R358
C353
R357
C352
C351
R264
Q327
R263
R262
C253
C252
R253
R246
CN112
C265
C264
CN103
C267
C266
CN301
R347
R344
R342
R341
R345
R346
R343
R348
R250
R251
R249
D211
Q323
C250
R248
R247
C251
C242
C241
Q321
C244
C248
C249
Q322
R245
R356
L101
CN101
IC201
HRPE1
HP1
C342
R243
R244
C246
R242
C243
R241
R252
Q324
1SS355
0.47
50V
0.22
50V
100k
1SS355
10k
1SS355
47k
15k
100k
2SC3052
2SC3052
4.7k
100
2.2
50V
50V
2.2k
22
50V
1000p
1k
2SC3052
1M
3.3k
0.1
50V
50V
100
16V
16V
100
100
3P
1000p
1000p
8P
1000p
1000p
12P
22k
22k
1k
10k
10k
1k
22k
22k
10k
10k
47k
1SS355
2SC3052
47
16V
10k
10k
47
16V
0.0047
1000p
2SC2001
0.015
1000p
10
50V
2SA1235
4.7k
470
11P
BA3126N
0.1
22
KTA1271Y
A1
A2
A3
A4
A5
A6
A7
A8
D
1
D
2
D
3
D
4
TUNED
STEREO
CLK
DO
DI
CE
CD ENCODER
CD OPEN/CLSE
CD NO. SENS
TAPE AMS
LM-R
LM-F
TM-R
TU-MUTE
TM-F
STREAM/VACS
REC/PB
BIAS
TU-L
TU-R
SAOUT
AMSOUT
TAPEA1
TAPEA2
TAPEB2
TAPEB1
TAPEB2
TAPEB1
*
∗
∗
∗
∗
GND
LM-R
LM-F
TM-R
TM-F
TBL ADDRESS SENS
D+3.3V
OPEN SW
TUNED
TUNER-L
GND
TUNER-R
TU-MUTE
+9V
STEREO
LC72121 CLK
LC72121 DO
LC72121 DI
LC72121 CE
GND
CONT
GND
VCC
GND
REC SW
P/B SW
P/B SW
REC SW
(2/4)
BIAS OSC
AMS
DETECT
BIAS OSC
SWITCH
REC BIAS
SWITCH
REC/PB
REC BIAS
SWITCH
Q322,323
Q351,352
FILTER
BAND-PASS
CD-VM
E-3
E-1
E-2
ERASE
L-CH
R-CH
(REC/PB/ERASE)
L-CH
R-CH
(PB)
DECK-B
DECK-A
AM
THE ASSEMBLED
BLOCK
SUPPLIED WITH
FM/AM
TUNER PACK
∗
C243
0.015(JPK331)
0.047(JN331)
∗
C246
0.015(JPK331)
0.022(JN331)
∗
R242
22k(JN331)
27k(JPK331)
∗
R243,244
8.2k(JPK331)
10k(JN331)
0(JPK331)
68(JN331)
COAXIAL
FM 75
Ω
(Page 34)
(Page 31)
(Page 37)
CX-JN331/JPK331
36
36
CX-JN331/JPK331
7-12. SCHEMATIC DIAGRAM – MAIN Section (3/4) –
R210
CN307
R391
R392
R393
R394
R385
R386
R387
R388
R389
R390
R207
FB201
FB202
FB203
FB204
C214
CN309
R208
R209
R211
R212
R206
R205
R204
R203
R202
R272
C211
R201
Q304
Q305
C235
EP101
R217
R216
R232
R222
R220
R221
R223
D201
C213
C212
D325
D324
C806
W802
C808
CN805
C217
C222
C216
D326
CN305
R219
R218
JW202
JW201
J801
C807
Q306
Q307
Q312
R231
C809
R398
R399
R395
Q372
2.2k
13P
10k
1k
10k
1k
4.7k
22k
4.7k
22k
4.7k
22k
2.2k
0
0
0
0
1000
10V
5P
1k
10k
1k
10k
47k
4.7k
10k
10k
10k
470k
2.2
50V
50V
4.7k
2SC3052
2SA1235
0.1
56
56
10k
5.6k
22k
22k
0
1SS355
10
50V
10
50V
10EDB40
10EDB40
1000p
0.1
5P
0.1
0.1
0.1
10EDB40
10P
680
2W
680
2W
1000p
2SC5938
2SC5938
KTA1271Y
2.2k
0.1
4.7k
10k
22k
2SC3052F
B
2
B
3
B4
B
6
B
7
E1
E2
E3
E4
E5
E7
E8
E9
E10
E11
E12
B
8
WFR/HP/MIC
AC3
STK MUTE
PROTECTOR
FRONT SP RELAY
ROUT
LOUT
CDR
CDL
L-CH
A-GND
M-GND
M+7V
D-GND
D-GND
AVDD
DVDD
N.C
SP-GND
PW-GND
A-GND
R-OUT
L-OUT
SP L-OUT
SP R-OUT
AC3
PROTECT
STK MUTE
+16V
GND
HP CTL
D GND
R-OUT
HP-GND
L-OUT
(3/4)
HP CTL
HP-GND
R-OUT
HP CTL
L-OUT
(CHASSIS)
(CHASSIS)
RELAY B+
R-CH
PHONES
B+ SWITCH
MUTING
MUTING
MUTING
Q304,305
CONTROL
MIC DETECT
(JPK331:E51)
(Page 34)
(Page 43)
(Page 33)
(Page 37)
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