Schematic Diagram - Main Section (1/3) (Rs70Bt) - Sony ZS-RS70BT Service Manual

5-11. SCHEMATIC DIAGRAM - MAIN Section (1/3) (RS70BT) -

1 2
MAIN BOARD (1/3)
A
R124
ALEV DET
R224
CD RCH
C220 R221
1 2.7k
CD LCH
B
R121
C120
1 2.7k
TU RCH
R231
C228
0
1
TU LCH
R131
C128
0
1
BT RCH
C223 R223
0
1
BT LCH
C
C123 R123
1 0
C231 C131 C227
1000p 1000p 1000p
D
C229
2.2
C129
2.2
E
16 15 14 13 12 11 10 9 8
F
17 18 19 20 21 22 23 24 25
G
C307 R306
4700p 22k
C132 C235
0.01 0.1
R133 R233
8.2k 8.2k
H
0
R309
1k
Q302 0.6
2SC2712
BASS
BOOST
0 R310
SWITCH
D302
1k
BAW56
Q301 0.6
2SC2712
BASS
BOOST
SWITCH
I
J
ZS-RS70BT/RS70BTB
• See page 50 for IC Block Diagrams.
3 4 5
R127
10k 10k
R227
10k 10k
R219
4.7k
R119
4.7k
R277 C275
10k 1
C124
1000p
C221
1000p
C121
1000p
R278 R330
15k 10k
C218
1000p
R178 R329
15k 10k
C118
1000p
R177 C175
10k 1
IC B/D
7 6 5 4 3 2 1
IC302
INPUT SELECTOR,
ELECTRICAL VOLUME
IC302
BD3491FS-SE2
L302
10uH
26 27 28 29 30 31 32
C313 R312 R311 R315 R316
1 470k 47k 100 100
C312 C311 C310 C309 R313 R314
47
22p 22p 0.1 47k 10k
16V
R376
6.8k
R377 R374 R375
6.8k 6.8k 6.8k
L301
0
6 7 8
D102
R331
0 DB2S31100K8
D202
DB2S31100K8
R181
470
C320 R332 R282 C278 R182 C177 C178
1 1M 100k 0.47 100k 4.7 0.47
C276 R281 C318 C319
10 470 0.1 1
R280 C277
2.2k 4.7
R279
15k
4 3 2 1
IC305
AUDIO LEVEL DETECT
IC305
NJM14558V-TE2
5 6 7 8
R179
15k
R180 C176
2.2k 10
IC B/D
IC304
POWER AMP
IC304
C117 R116
BA5417
1 47k
15 14 13 12
C116 R114
0.22 1k
0
R118
10k
0
Q101
R115
2SC2712
12k
MUTING
Q201
C330 R215
2.2 2SC2712
12k
50V MUTING
R305 R218 0
1k 10k R113 R213 R211
0
220k 220k 270
C217 R216 C216 R214 R303 C304 C213 C214
1 47k 0.22 1k 2.2k 4700p 47 1000p
C305 16V
4700p
R304
100k
37 37
9 10 11
CN303
3P
TP101
3
TP201
1
C302 C140 R141 C240 R241
22 0.22 10k 0.22 10k
25V
C301 D301
22 BAW56
25V
R301 R139 R140 R239 R240
1k 4.7k 4.7k 4.7k 4.7k
FILTER STBY
11 10 9 8 7 6 5 4 3 2 1
C110
100
C210
10V
100
10V
R111
C211 C139 C239
270
1000 10 10
10V 50V 50V
C111 C112 C212
1000 0.1 0.1
10V
C114 C113 C303
1000p 47 47
16V 16V R110 R210
2.2 2.2
CN301
5P
1
C325
470p
5
ZS-RS70BT/RS70BTB
12
G1
(Page 45)
L-CH
GND
JACK
R-CH BOARD
CN304
1
(Page 39)
2
MAIN
BOARD
(3/3)
LCH
H1
(Page 45)
NC
GND
JACK
GND
BOARD
CN302
RCH
7
2
(Page 38)
6
5
MAIN
4
BOARD
(2/3)
3