Panasonic SA-AKX660PN Service Manual page 47

12.5. Main (Damp) Circuit (1/2)
1 2 3
SCHEMATIC DIAGRAM - 5
A
A
MAIN (DAMP) CIRCUIT
SO VR PW_+36V
R3024
0
CN VR PW_MUX_+12V
B
VR DAMPGND
C3000
16V100
FOR AKX660
DAMP_RST
SO DS
R3021 0
DS SW+
R3022 0
SW-
DS
FOR AKX880
C
R3020
0
D3000
DA2J10100L
VR DC_DET_AMP
SO
D
PW_+36V
DAMP_RST
DAMPGND
E
FOR AKX660
R3118 0
F+_LO
DS
DS F-_LO
R3120
0
F
/FAULT
/OTW
VDD_+12V
G
CD: MAIN (CD MOTOR DRIVER): SCHEMATIC DIAGRAM - 1
US: MAIN (USB EMMC): SCHEMATIC DIAGRAM - 2
SO: MAIN (SOC IO EXPANDER): SCHEMATIC DIAGRAM - 3 ~ 4
DA: MAIN (DAMP): SCHEMATIC DIAGRAM - 5 ~ 6
CN: MAIN (CONNECTOR): SCHEMATIC DIAGRAM - 7
DS: MAIN (DSP): SCHEMATIC DIAGRAM - 8
H
VR: MAIN (VOLTAGE REGULATOR): SCHEMATIC DIAGRAM - 9 ~ 10
1 2 3
4 5 6
: +B SIGNAL LINE : AUDIO SIGNAL LINE
R3000 10
IC3001
C1AB00003986
DIGITAL AMPLIFIER
C3001 C3002
R3001 C3003 0.1 C3008 0.033
10 0.1
1 GVDD_AB BST_A 44
10
C3009 0.033
2 VDD BST_B 43
R3002 22K
3 OC_ADJ GND 42
R3003 100
4 41
/RST GND
5 INPUT_A OUT_A 40
6 INPUT_B OUT_A 39
C3004 1
FOR AKX880 7 C_START PVDD_AB 38
R3005 C3005 0.1
8 37
0 DVDD PVDD_AB C3010 C3011 C3012
0.1 1 1
9 GND PVDD_AB 36
10 GND OUT_B 35
11 GND GND 34
R3009
12 GND GND 33
100
C3006 0.1
R3004
13 AVDD OUT_C 32
0
14 INPUT_C PVDD_CD 31
C3018 C3019 C3020
15 INPUT_D PVDD_CD 30 0.1 1 1
FOR AKX660
R3007 0
16 29
/FAULT PVDD_CD
R3112 0
17 /OTW OUT_D 28
18 /CLIP OUT_D 27
19 M1 GND 26
20 25
M2 GND
C3026 0.033
21 M3 BST_C 24
R3011 10 C3027 0.033
22 23
GVDD_CD BST_D
C3007 0.1
R3017 R3016 R3019 R3018
0 0 0 0
HEATSINK HEATSINK
R3100 10
IC3101
C1AB00003986
DIGITAL AMPLIFIER
C3100 C3101
10 0.1 C3102 0.1 C3107 0.033
1 GVDD_AB BST_A 44
R3101 10 C3108 0.033
2 VDD BST_B 43
R3102 22K
3 OC_ADJ GND 42
R3103 100
4 /RST GND 41
5 40
INPUT_A OUT_A
6 INPUT_B OUT_A 39
FOR
C3103 1
7 C_START PVDD_AB 38
R3560
AKX880
0 C3104 0.1 C3111 C3112
8 DVDD PVDD_AB 37
FOR 0.1 1
9 36
GND PVDD_AB
AKX660
10 GND OUT_B 35
R3562
11 GND GND 34
0
12 GND GND 33
C3105 0.1
13 AVDD OUT_C 32
14 INPUT_C PVDD_CD 31
C3117 C3119
15 INPUT_D PVDD_CD 30
0.1 1
R3104 0
16 /FAULT PVDD_CD 29
R3113 0
17 /OTW OUT_D 28
18 /CLIP OUT_D 27
19 M1 GND 26
20 M2 GND 25
C3122 0.033
21 M3 BST_C 24
R3105 10 C3123 0.033
22 GVDD_CD BST_D 23
C3106 0.1
R3110 R3111
0 0
HEATSINK
4 5 6
7 8 9
Q3503
B1ABCF000231
DC DETECT
3 4
FOR AKX660
C3559
0.47
1 2
L3000
G0C100M00013
C3557
1
C3558
1
R3507
FOR AKX880
3 4
C3522
1 2
C3523
L3001
G0C100M00013 R3508
3 4
FOR AKX660
C3567
0.47
1 2
C3113
1
L3100 C3565
G0C100M00013 1
C3566
1
C3118
1
FOR AKX880
3 4
1 2
L3101
G0C100M00013
7 8 9
47
10 11 12
Q3500
Q3502
B1ABCF000231
DSA200100L
SPEAKER PROTECTION
DC DETECT
SWITCH
Q3501
R3536
B1ABCF000231
100K
C3551 1
SPEAKER PROTECTION
R3537
R3534 22K SWITCH
4.7K
R3535 100K
C3502 0.1
3.3 R3505
100K
0.01
0.01
R3506
100K
3.3
C3503 0.1
TP
5
C3506 0.1
R3509
R3511 100K
3.3
C3526
0.01
C3527
0.01
R3510
R3512 100K
3.3 TP
6
C3504 0.1
1/2 2/2
SA-AKX660PN/PS,SA-AKX880PN/PS MAIN (DAMP) CIRCUIT
10 11 12
13 14
P2
FR+ LO
FR- LO
TO MAIN (DAMP)
CIRCUIT (2/2)
GND
FL+ LO
2
1
FL- LO
P1
13 14