Schematic Diagram - Amp Section (2/2) - Sony SS-TS503 Service Manual

7-26. SCHEMATIC DIAGRAM – AMP Section (2/2) – •
(2/2)
A1
A2
R300 10k
A3
A4
A5
FB300 L300
0
C301
C302
22 BUFFER
0.01
6.3V
VCC
GND
IC300
MC74VHC1G04
X300 R370 C308
49.152MHz 680 0.001
C307 R302 L302 C432
5p 1M 1µH 10.0p
A6
A7
A8
A9
D190 C190
RB411D 2.2
A19
C191
R190 D191
1
100k RB411D
50V
A10
A11
(Page
56)
A12
A13
A14
A15
A16
A17
A18
•
See page 71 for Waveform. See page 76 for IC Block Diagrams.
POWER AMP
IC301
CXD9702L
L401
10µH
D351 C303 D361 D311 D331
SFPL 0.022 SFPL LI116 P6SMB39AT3
D321 D341
LI116 P6SMB39AT3
C304
0.022
FB303
C317 C401
C318
C319 C316 C313 C400 C111 C121 C131
100 100
100
0.1 0.01 0.1 0.1 0.01 0.1 0.1
50V 10V
10V
POWER AMP
IC304
CXD9702L
L402
10µH
D352 C334 D362 D312 D332
SFPL 0.022 SFPL LI116 P6SMB39AT3
D322 D342
LI116 P6SMB39AT3
C333
0.022
FB309
C345 C342 C407
C343 C341 C332 C406 C112 C122 C132
100 100 100
0.1 0.01 0.1 0.1 0.01 0.1 0.1
10V 50V 10V
POWER AMP
IC306
CXD9702L
L403
10µH
D353 C356 D363 D313 D333
SFPL 0.022 SFPL LI116 P6SMB39AT3
D323 D343
LI116 P6SMB39AT3
C354
0.022
FB312
C362 C364 C417
C365 C363 C353 C414 C113 C123 C133
100 100 100
0.1 0.01 0.1 0.1 0.01 0.1 0.1
10V 50V 10V
POWER AMP
IC307
CXD9702L
L404
10µH
D354 C376 D364 D314 D334
SFPL 0.022 SFPL LI116 P6SMB39AT3
D324 D344
LI116 P6SMB39AT3
C375
0.022
FB313
C381 C383 C423
C384 C382 C374 C418 C114 C124 C134
100 100 100
0.1 0.01 0.1 0.1 0.01 0.1 0.1
10V 50V 10V
POWER AMP
IC309
CXD9702L
L405
10µH
D355 C397 D365 D315 D335
SFPL 0.022 SFPL LI116 P6SMB39AT3
D325 D345
LI116 P6SMB39AT3
C396
0.022
FB318
C405 C403 C425
C404 C402 C395 C424 C115 C125 C135
100 100 100
0.1 0.01 0.1 0.1 0.01 0.1 0.1
10V 50V 10V
POWER AMP
IC311
CXD9702L
L406
10µH
D356 C413 D366 D316 D336
SFPL 0.022 SFPL LI116 P6SMB39AT3
D326 D346
LI116 P6SMB39AT3
C412
0.022
FB320
C422 C420 C427
C421 C419 C411 C426 C116 C126 C136
100 100 100
0.1 0.01 0.1 0.1 0.01 0.1 0.1
10V 50V 10V
C162 C142
0.1 0.01
C452
1
C451
1
C161 C141
0.1 0.01
C164 C144
0.1 0.01
C453
1
C454
1
C163 C143
0.1 0.01
R103
100k
Q103,104
OVER LOAD
DETECT
Q103
2SC2412
C168 C148
0.1 0.01 R111
100k
C455 Q112
1 2SC2412
C106
1
C456
Q111,112
1
OVER LOAD
DETECT
R112 Q111
C167 C147 100k 2SC2412
0.1 0.01
C166 C146
0.1 0.01 R106
100k
C457 Q106
1 2SC2412
C103
1
C458
Q105,106
1
OVER LOAD
DETECT
R105 Q105
C165 C145 100k 2SC2412
0.1 0.01
C170 C150
0.1 0.01 R107
100k
C460 Q107
1 2SC2412
C104
1
C459
Q107,108
1
OVER LOAD
DETECT
R108 Q108
C169 C149 100k 2SC2412
0.1 0.01
C172 C152
0.1 0.01 R101
100k
C461 Q102
1 2SC2412
C101
1
C462
Q101,102
1
OVER LOAD
DETECT
R102 Q101
C171 C151 100k 2SC2412
0.1 0.01
57 57
C181
0.01
J401
SPEAKER
C182
0.01
FRONT L
FRONT R
WOOFER
CENTER
REAR L
REAR R
C102 R104 R110 C105 R109
1 100k 100k 1 100k
Q104 Q110 Q109
2SC2412 2SC2412 2SC2412
Q109,110
OVER LOAD
DETECT
D102 D105
MA111-TX MA111-TX
D106
MA111-TX
D103
MA111-TX
D104
MA111-TX
D101
MA111-TX
Q114
DTA114EK
Q113
DTC124EKA
Q113,114
R113 PROTECT
100k
DETECT
HCD-C770/C990