Panasonic SA-HT800VP Service Manual page 181

SCHEMATIC DIAGRAM-33
REGULATOR CIRCUIT
-9V
R361 R360
100K
100K
IC371
M62444FPE1
4CH VOLUME
R393
27
+9V
D383
UDZSTE176R8B
6CHSW
6CHC
R369
8.2K
DPLC
DPLS
6CHSL
R384
5.6K
6CHSR
R387
4.7K
R388
8.2K
: +B SIGNAL LINE
: -B SIGNAL LINE
R394
27
C361
0.1
C362
C360
16V10
50V1
R362
2.7K
R363
12K
C364
16V10
C363
100P
42 41 40 39
Lch
Cch
1 2 3 4
R374
C375
2.2K
C372
50V1
16V10
C374
R373
220P
1.8
C373
16V10
R375
470
R376
R371
100K
3.9K
R370
8.2K
R385
6.8K
1 2 3
IC372
COJBAR000292
ANALOG IC
16 15 14
C383
0.1
D384
UDZSTE176R8B
C366
50V1
R365
2.7K
C365 R366
0.15 12K
R364
3.9K
C368
100P
33
38 37 36 35 34 32 31
Lch Rch
IC371
Cch SWch
SWch
5 6 7 8 9 10 11 12
R378
18K
C379
16V10
C377
220P
C376
50V1
C378
R379
16V10
390
R377
2.2K
R386
100K
C384
0.1
INH1
4 5 6 7 8
IC372
13 12 11 10 9
: MAIN SIGNAL LINE
C371
0.01
R367
3.9K
C370
0.15
C367
16V10
C369
16V10
30 29 28 27 26 25 24 23
Rch
OUT PUT PORT
13 14 15 16 17 18 19 20
C380
47P
R383
47K
C381
47P
R389
R390
47K
47K
R380
2.2K
C382
0.1
C735
16V10
R742
22K
SUR_L
SUR_R
SW_ATT2
SW_ATT1
R392
R391
22K 22K
22
21
CCH
4CHVOL_CK
4CHVOL_LT
4CHVOL_DT
SW_ch