Schematic Diagram - Main Section (2/2) - Sony CMT-CNEZ3 Service Manual

4-7. SCHEMATIC DIAGRAM – MAIN Section (2/2) –
A5
A4
A8
A1
A2
A7
A3
(Page 16)
A6
13P
15P
(Page 19)
FM 75Ω
COAXIAL
TUNER
ANTENNA
(FM/AM)
AM
HCD-NEZ3/NEZ5
• See page 23 for IC Block Diagrams.
(2/2)
R135 R235 C235
100k 100k 10
50V
C135
10
50V
R226 22k
R126 22k
CD-L R125 22k
CD-R R225 22k
C116
470p
R220
10k
C221 0
C121 0
R120
10k
R223
2.2k
C214
CN320
0.47
(NEZ3) 50V
(NEX5) C115
AMPSTBY 10 C213
AMPSTBY 50V 0.22
AMPMUTE 50V
AMPMUTE
TAMUTE
C215
FDATA
10
50V
REC/PB
BIAS
STMUTE
ST MUTE
STEREO
STEREO
STDOUT
DO(ST->UCOM)
STCLK
ST CLK
STDIN
DI(ST<-UCOM)
STCE
ST CE
TUNED
TUNED
RDSDATA
RDS DATA
RDSINT
RDS INT
(NEZ5)
RDSDATA
RDS DATA
RDSINT
R317
RDS INT
10k
NC
RDS+3.3V
STMUTE
R319
ST MUTE
22k
C236 10 50V
R OUT
AGND
C136 10 50V
L OUT
STEREO
STEREO
TUNED
C330
TUNED
2200p
+9V
STCE
ST CE
STDIN
ST DIN
STDOUT
ST DOUT
STCLK
ST CLK
CN319
15P
11P (NEZ3)
15P (NEZ5)
(Page 16)
C118
R233 C218 R133
47000p
0 47000p 0
R134
R228 R234 R128
0
1k 0 1k
R131
R231
R232 1k 1k
1k
R132
1k
R243
10k
R143 R145
R245 10k 0
(Page 16)
0
C233
0.047
R224 C133 R124
22k 0.047 22k
R249 10k
R216 47k
R116 47k
R147 22k R149 10k
R118 10k
R218 10k
R247 22k
C216 C120 C117 C217 C220 R138
470p 220p 1000p 1000p 220p 2.2k
R221 R121 R217 R238
2.2k 2.2k 2.2k 2.2k
R114 C111
R214 4.7k 1000p
4.7k
R112 R111
22k 22k
R123
2.2k R212 C239 C140
22k 470p 220p
C114
0.47 C240 R239
50V 220p 22k
C113
R222 R122 C139
0.22
470k 470k 470p
50V
R209
4.7k
INPUT SELECT,
ELECTRICAL VOLUME
IC302
BD3881FV
C103
100p R103
470
C302 C107
220 2.2 50V
10V
R105
R203
C106 0.022 220k
470
R107 100k
R106 R110
4.7k 1k
R207 R206 R210 R204 R104
C301 100k 4.7k 1k 47 47
10p
C204 C104
R303
C206 100 100
10k
0.022 10V 10V
C305
220
10V
17 17
*R529-534
100 (NEZ3:US,CND)
220 (NEZ3:AEP,UK,EE,RU)
1 HP-L 470 (NEZ5)
HP-L R527 470 R533 *
HP-L R525 470 R531 *
HP-R R519 470 R529 *
HP-R R520 470 R534 *
C521
0.01
HP-R R526 470 R532 *
HPGND R528 470 R530 *
SP-L C520 0.01
SP-L
FFC501
SP-L
SP-R
SP-R
SP-R
13
Q335 Q329
2SC3052EF 2SC3052EF
R109 R108
4.7k 10k
R139
22k
Q326-329,332,334,335
R305
REC/PB SWITCH
2.2k
R306
R208 2.2k
10k
Q334 Q328
2SC3052EF 2SC3052EF
Q326
2SC3052EF
Q332
2SA1235
R314
10k
C316 R307
10K 1k
R315
10k
R313 R308 C312
2.2k 1k 4.7
50V
Q327
2SC3052EF
C202 R202
2200p 47k
C313
100 C201 R100
C102 R102 16V 0.001 10k
2200p 47k
R201 R200 R101
C304 47k 10k 47k
0.0047
4 3
5 2
R309 R310
1k 4.7k
6 1
C303 C314
4700p 0.01
T301
BIAS OSC
R368
10k
C362
10
50V
R367
2.2k
Q349
B+ SWITCH
R366
22k
HCD-NEZ3/NEZ5
J500
PHONES
EPT500
(CHASSIS)
HRPE301
(REC/PB/ERASE)
CN301
7P
ERASE
R-CH
L-CH
C101
0.001
R311 4.7
Q344
2SC2001TP-LK
C356 0.001
BIAS OSC
R362 22k
C354 C355
47 0.022
R312
16V
4.7
C358
Q348 0.01
RT1N141C-TP-1
Q347,348
Q347
KTA1266-GR-AT REEC BIAS SWITCH