Schematic Diagram - Amp Section - Sony AIR-SA10 Service Manual

6-4.

SCHEMATIC DIAGRAM - AMP Section -

R101
C101 10k
4.7
50V
R102
0
R301
2.2k
W316
R302
9P
2.2k
9 5V
L-CH
AGND
R-CH
AGND
A-MUTE
BUZZER
W316
A-ON
C201
R202
(Page 20) L+R 4.7
1
0
50V
R201
10k
C313
220
10V Q203
2SC3052F
R216
470
AIR-SA10
R114
0
Q101
Q101,102
2SC3052F
PRE DRIVE
C103 R106
0.1 220k Q102
R103 C102 C104 C105 2SC3052F
4.7k 4700p R104 0.1 0.1
4.7k
R105
1k R127 R111
R112
0 2.2k
1k
C308
R109
220 R108 R110
100k
10V 2.2k 2.2k
R208 R210
R209
2.2k 2.2k
100k
R205 R206
1k 220k
R212
1k R227 R211
R204 0 2.2k
4.7k C204 C205 C215 C115
0.1 0.1 1 1
C203
R203 C202 0.1 Q202
4.7k 4700p 2SC3052F
Q201
Q201,202
2SC3052F
PRE DRIVE
R214
0
R207 R219
4.7k 100k
R107
4.7k
Q103 Q201,202
2SC3052F
MUTING
R116 C302 R313
470 2.2 220k
50V
Q303
R119
2SC3052F
100k
LEVEL DETECT
POWER AMP GND GND
R129 C118
22k 470p
R229 C218
22k 470p
C121 C113
1 R113 1
50V 4.7k 50V
C114
100p
C221 C213
1 R213 1
50V 4.7k 50V
Q104
2SC3052F
R122
1k MUTING R124
220
Q204
2SC3052F
R222
1k MUTING
C108 C208
C305 C109
2200p 2200p
22 R123 R223 100
25V 10k 10k 10V
15 15
IC101
BA5417
FILT STBY GND BS VCC BS NC
C211 C111
100 100
10V 10V
C214
100p
R115
2.2
R215 C212 C112
2.2 1000 1000
10V 10V
(Page 20)
C210
0.1
R224 C322 R312
220 100 1k C222
10V 0.1 W310
2P
12V
GND
C209
L
C307 R303
100
0.1 10k
10V
R
C301
0.1
R126
2.2k CN308
R117 2P
47k
L CH
L
R CH
R
(Page 20)
R217
R218 R118
47k
22k 22k
R226
2.2k
AIR-SA10
FB301
J321
FB302
C117 0
0.01
C116
0.01
C216
0.01
R148 R147
100 100
W307
4P
R146 R145
L CH 100 100
R CH
GND
R245 R246
100 100
GND
C399 R247 R248
0.1 100 100 CN309
4P
L CH
C217
SP101
0.01 L GND
(L-CH)
R GND
SP201
R CH
(R-CH)