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