Panasonic SU-HTB685GN, Service Manual

Page: 9 / 31

9
3.3. MAIN (DAMP) CIRCUIT (1/2) (For SU-HTB685)
A
1 2 3 4 5 6 7 8 9 10 11 12 13 14
1 2 3 4 5 6 7 8 9 10 11 12 13 14
C
D
B
E
G
H
F
B
MAIN (DAMP) CIRCUIT
SCHEMATIC DIAGRAM - 6
SC-HTB685GN(SU-HTB685GN) MAIN (DAMP) CIRCUIT
2/2 1/2
TO MAIN (DAMP)
CIRCUIT (2/2)
P1
TO SPEAKERS
TO SPEAKERS
: +B SIGNAL LINE : AUDIO SIGNAL LINE
MI: MAIN (MICON): SCHEMATIC DIAGRAM - 4 ~ 5
CO: MAIN (CONNECTOR): SCHEMATIC DIAGRAM - 8
R5413
100K
R5414
100K
R5313
100K
L5512
G0A100H00032
10
R5411
R5410
4.7
470P
C5415
L5511
G0A100H00032
4.7
R5407
470P
C5411
C5410
1
C5413
100P
C5414
0.1
R5409
10
0.01
C5412
C5409
0.1
0.01
C5408
5.6K
R5426
1000P
C5424
1000P
C5423
1
2
CN5100
1000P
C5323
R5314
100K
1000P
2
1
4
3
CN5101
1000P
C5523
C5524
1000P
C5324
3
1 4 5 2
Q5404
B1CZRC000001
NEGATIVE FEEDBACK
3
1 4 5 2
Q5403
B1CZRC000001
POSITIVE FEEDBACK
C5404
0.1
C5401
0.1
C5505
0.1
C5823 1000P
LEV_DET1 LEV_DET2
R5514
100K
R5513
100K
C5515 C5510
100P 1
R5526
5.6K
R5511
R5509
C5513
G0A100H00032
L5513
C5514
C5512
R5512
C5508
4.7
470P
4.7
470P
L5514
G0A100H00032
C5507
R5508
10
0.01
0.01
10
C5509
0.1
0.1
3
1 4 5 2
Q5504
B1CZRC000001
POSITIVE FEEDBACK
C5504
0.1
3
1 4 5 2
Q5503
B1CZRC000001
NEGATIVE FEEDBACK
HB_HP_1
FBP_1_28V
PW_PVDD6V
R5432
10
HB_HP_3
FBP_3_28V
HB_LP_3
R5437
10 10
R5438
PW_PVCC_28V
FBN_3_28V
HB_HN_3
HB_LN_3
HB_LP_1
B1ABDF000033
SWITCH
Q5401
5.6K
R5406
5.6K
R5402
B1ABDF000033
SWITCH
Q5402
4.7K
R5401
5.6K
R5506
R5505
4.7K
Q5501
B1ABDF000033
SWITCH
22
R5403
4.7K
R5405
C5405
0.1
C5402 0.1
C5425
1
C5406 1
HVDD3_SM_SENSE_28V
HVDD1_SM_SENSE_28V C5525
C5506
C5403 0.1
35V470
C5416
HB_HN_1
PW_PVCC_28V
PW_PVDD6V
FBN_1_28V
DGND
DGND
HB_LN_1
C5503
R5533
R5534
R5532
10
10
10
R5503
22
0.1
C5501
C5516
35V470
5.6K
R5502
R5501
4.7K
Q5502
B1ABDF000033
SWITCH
C5502
1
1
0.1
0.1
C-
FRONT_L-
FRONT_L-
C+
FRONT_R-
MI
MI
MI
CO
MI
MI
MI
MI
MI
MI
MI
CO
MI
MI
MI
MI
MI