Panasonic SA-AKX57PN Service Manual page 66

SCHEMATIC DIAGRAM - 14
A MAIN (DAMP) CIRCUIT
: +B SIGNAL LINE
PW_+36V
MI
DAMP_FAULT
DAMP_OTW
DAMP_CLIP
TO MAIN (DAMP)
CIRCUIT (3/4)
PW_+12V
DGND
PW_+36V
DAP_VALID
MI SW+
SW-
MI
P1
MI: MAIN (MICON): SCHEMATIC DIAGRAM - 5 ~ 10
15 16 17 18
: AUDIO OUTPUT SIGNAL LINE
C2500
16V33
R3659 10
IC2501
C1AB00003986
DIGITAL AMPLIFIER
C2504 C2508
10 0.1
C2521 0.1 C2546 0.033
1 GVDD_AB BST_A 44
R2503 10 C2545 0.033
2 43
VDD BST_B
R2524 220K
3 OC_ADJ GND 42
R3641 100
4 /RST GND 41
5 INPUT_A OUT_A 40
6 39
INPUT_B OUT_A
C2522 0.1
7
C_START PVDD_AB 38
C2523 0.1
8 DVDD PVDD_AB 37
C2562
0.1
9 GND PVDD_AB 36
10 35
GND OUT_B
11 GND GND 34
12 GND GND 33
R2614 R2613 R2612
C2509 0.1
0 0 100
13 AVDD OUT_C 32
14 31
INPUT_C PVDD_CD C2563
0.1
15 INPUT_D PVDD_CD 30
R3623 0
16 /FAULT PVDD_CD 29
17 /OTW OUT_D 28
18 27
/CLIP OUT_D
19 M1 GND 26
20 M2 GND 25
R3660 C2547 0.033
21 24
10 M3 BST_C
C2548 0.033
22 GVDD_CD BST_D 23
C2524
0.1
FOR AKX77PH/PN
19 20 21
TO MAIN (DAMP)
CIRCUIT (2/4)
L2500
G0C100M00009
3 4
K2501 C2607
0 0.22
C2754
0.47
1 2
C2608
C2561 C2571
0.22
1 10
L2501
G0C100M00009
3 4
K2502
C2564 C2572 0
1 10
1 2
R3658 R3657 R3656 R3655
0 0 0 0
ZJGND_HS5 ZJGND_HS1
1/4
3/4
22 23 24
66
SP_SW2-
SP_SW2+
2/4
4/4
SA-AKX57PN,SA-AKX77PH/PN MAIN (DAMP) CIRCUIT
25 26 27
I
J
K
L
M
N
O
P
28