Panasonic SA-BTT350P Service Manual page 117

SCHEMATIC DIAGRAM - 11
I
D
D-AMP CIRCUIT
J
K5401
0
K
L
M
D5407
B0ACCK000005
C5425 R5436
1 22K
N
Q5413
B1ADBL000010
R5439
DC DETECT
220K
R5438
220K
Q5412
B1ABCF000011
R5437
4.7K
DC DETECT
O
P
1 2 3
: +B SIGNAL LINE : AUDIO OUTPUT SIGNAL LINE
QR5401
B1GBCFNN0038
DC DETECT
D5408
B0ACCK000005
R5446 R5422 D5405
3.3K 330K B0ACCK000005
Q5403
B1GBCFNN0038
FAN LOCK DETECT
C5420 C5437 C5418
0.1 6.3V100
16V22
Q5405
B1ABCF000011
SWITCH
4 5 6
TO D-AMP
SECTION (1/4)
IC5400
C0DBEKG00004
VOLTAGE REGULATOR
VC VIN GND VOUT ADJ
1 2 3 4 5
PVDD
GND
R5406 R5407
100K 5.6K
L5403
G1C4R7MA0172
C5449 C5409 R5408
0.1 16V22 10K
12VSW
Q5400
B1BAAJ000003
CURRENT CONTROL
C5422 C5416
R5426
16V22 1000P
1.8M
C5421
0.1
R5421
R5425
10K 10
Q5404
B1ABCF000011
D5406
FAN MOTOR CONTROL
B0BC7R5A0268
D5404
R5428 R5424
B0ACCK000005
10K
10K
D5403 C5423 C5417
R5427 R5423
B0ACCK000005 1 16V10
100K 10K
C5424
5600P
7 8 9
117
RL5003*
C5455
1000P
L5401
J0JKB0000003
C5117 C5217
63V330 63V330
L5402
J0JKB0000003
C5419 1
R5420
1.2K
R5434
10K
Q5401
B1ADCE000012
SWITCH
Q5402
B1ABCF000011
SWITCH
R5435
10K
D5402
B0BC012A0269
1/4 2/4
3/4 4/4
SA-BTT350P,SA-BTT750P D-AMP CIRCUIT
10 11 12
CN5400
+55V E
6
TO
5 +55V
SMPS CIRCUIT
PGND
4
(JW1*)
3 PGND
IN SCHEMATIC
FAN GND
2
DIAGRAM - 13
1 +18V FAN
1
4
3
P1
CN5401
1 FAN DC OUT
TO FAN
2 FAN GND
FAN LOCK
3
2
TO D-AMP
SECTION (4/4)
13 14