Panasonic SA-AKX57PN Service Manual page 64

15 16 17 18
SCHEMATIC DIAGRAM - 12
A MAIN (DAMP) CIRCUIT
: +B SIGNAL LINE
PW_+12V
MI PW_+12V
DGND
DAP_VALID
DAP_VALID
MI
FR+_HI
MI
MI FR-_HI
MI FR+_LO
MI FR-_LO
DAMP_FAULT
DAMP_OTW
DAMP_CLIP
TO MAIN (DAMP)
CIRCUIT (1/4)
FL+_HI
MI
FL-_HI
MI
FL+_LO
MI
MI FL-_LO
MI DAMP_FAULT
DAMP_OTW
MI
MI DAMP_CLIP
MI: MAIN (MICON): SCHEMATIC DIAGRAM - 5 ~ 10
P1
19 20 21
: AUDIO OUTPUT SIGNAL LINE
R3661 10
IC2502
C1AB00003986
DIGITAL AMPLIFIER
C2701 C2527
10 0.1
C2530 0.1 C2543 0.033
1
GVDD_AB BST_A 44
C2544 0.033
R2606 10
2 VDD BST_B 43
R2603 22K
3 42
OC_ADJ GND
R3643 100
4 41
/RST GND
5 INPUT_A OUT_A 40
6 INPUT_B OUT_A 39
C2528 0.1
7 C_START PVDD_AB 38
C2526 0.1
37
8 DVDD PVDD_AB
C2709 C2707 C2745
0.1 1 1
9 GND PVDD_AB 36
10 GND OUT_B 35
11 34
GND GND
12 GND GND 33
C2525 0.1
13 AVDD OUT_C 32
14 INPUT_C PVDD_CD 31 C2708 C2706 C2744
0.1 1 1
15 30
INPUT_D PVDD_CD
R3632 0
16 /FAULT PVDD_CD 29
17 /OTW OUT_D 28
18 /CLIP OUT_D 27
19 26
M1 GND
20 M2 GND 25
C2542 0.033
R3662
21 M3 BST_C 24
10
C2541 0.033
22 GVDD_CD BST_D 23
C2529
0.1
R3665 10
IC2503
C1AB00003986
DIGITAL AMPLIFIER
C2710 C2711
10 0.1
C2712 0.1 C2550 0.033
1 44
GVDD_AB BST_A
R2620 10 C2551 0.033
2 VDD BST_B 43
R2619 22K
3 42
OC_ADJ GND
R3647 100
4 /RST GND 41
5 INPUT_A OUT_A 40
6 INPUT_B OUT_A 39
C2715 0.1
7 C_START PVDD_AB 38
C2716 0.1
8 37
DVDD PVDD_AB C2724 C2722 C2747
0.1 1 1
9 GND PVDD_AB 36
10 GND OUT_B 35
11 GND GND 34
12 33
GND GND
C2713 0.1
13 AVDD OUT_C 32
C2723 C2721 C2746
14 INPUT_C PVDD_CD 31
0.1 1 1
15 INPUT_D PVDD_CD 30
R3631 0
16 29
/FAULT PVDD_CD
17 /OTW OUT_D 28
18 /CLIP OUT_D 27
19 26
M1 GND
20 25
M2 GND
R3667 C2552 0.033
21 M3 BST_C 24
10
C2549 0.033
22 GVDD_CD BST_D 23
C2714
0.1
22 23 24
L2502
G0C100M00009
SP_FR-HI
3 4
C2603
0.22
C2750
0.47
1 2
C2604
0.22
SP_FR+HI
L2503
SP_FR-LO
G0C100M00009
C2599
3 4 0.22
C2751
0.47
C2600
0.22
SP_FR+LO
1 2
R3649 R3650
0 0
ZJGND_HS2
L2506
G0C100M00009
SP_FL-HI
3 4
C2597
0.22
C2752
0.47
1 2
C2598
0.22
SP_FL+HI
L2507
SP_FL-LO
G0C100M00009
C2601
0.22
3 4
C2753
0.47
C2602
0.22
SP_FL+LO
1 2
R3652 R3651
0 0
ZJGND_HS3
1/4 2/4
3/4 4/4
SA-AKX57PN,SA-AKX77PH/PN MAIN (DAMP)
64
25 26 27 28
CIRCUIT
A
B
C
D
E
F
G
H