Panasonic SA-XH170EB Service Manual page 108

SCHEMATIC DIAGRAM - 16
I
E D-AMP CIRCUIT
: +B SIGNAL LINE
J
K
PVDD
50V820
PW_+12V
L
M
FAN_DA
DCDET
N
FAN_AD
DGND
O
NOTE: " * " REF IS FOR INDICATION ONLY
P
1 2 3
: AUDIO OUTPUT SIGNAL LINE
C5140 C5117
50V820
L5404
G1C4R7MA0172
C5425 R5436 D5407
1 22K DA2J10100L
8
R5439
100K
IC5401
C0ABBA000168
Q5413
DUAL OP-AMP
B1ADCE000012
DC DETECT
1
R5429
10K
R5438
100K
Q5412
B1ABCF000231
C5437 R5422
DC DETECT 0.1 10K
R5437
4.7K
4 5 6
TO D-AMP
CIRCUIT (1/4)
L5401
J0JKB0000003
L5402
J0JKB0000003
C5420
10
7 6 5
R5435
560K
2 3 4
R5424
Q5400
470
B1ABRD000003
FAN DRIVE
R5430
C5419
27K
1
Q5403
B1GBCFNN0038
FAN LOCK DETECT
D5405 C5423
DB2S31100L 1
R5427 C5422 D5403 C5424
47K 2.2 DB2S31100L 5600P
7 8 9
108
CN5400 F
TO
4 +35V
SMPS CIRCUIT
3 +35V
(H5700)
2 PGND
IN SCHEMATIC
1 PGND
DIAGRAM - 18
CN5401
1 FAN DC OUT
TO FAN
2 FAN GND
3 FAN LOCK
ZJ2*
WIRE CLAMPER
C5418
6.3V100
1/4 2/4
3/4 4/4
SA-XH170EB/EG,SA-XH175EP D-AMP CIRCUIT
10 11 12
TO D-AMP
CIRCUIT (4/4)
1
2
P1
13 14