Main (Damp) Circuit (For Sa-Akx710Pu) (2/ 3) - Panasonic SA-AKX710PU Service Manual

12.12. Main (DAMP) Circuit (For SA-AKX710PU) (2/3)
15 16 17
SCHEMATIC DIAGRAM - 11
A
MAIN (DAMP) CIRCUIT
VR PW_+38V
VR PGND
VR PW_MUX_+12V
R4117
0
VR FL_GND
DAMP_RST
+PWM4
-PWM4
DC_DET_AMP
ABK
DAMP_RST
+PWM2
-PWM2
15 16 17
18 19 20
: +B SIGNAL LINE : OUTPUT SIGNAL LINE
LB3000
J0JKB0000020
C3022 C3023
0.1 50V4700
LB3001
J0JKB0000020
L3003
G1C4R7MA0172
R3000
10
C3000
IC3001
10
C1AB00003986
DIGITAL AMPLIFIER
C3001 C3002
C3003
10 0.1
0.1
R3001
10 GVDD_AB BST_A
VDD BST_B
R3002
R3003
OC_ADJ GND
100
22K
GND
/RST
R3022 0
INPUT_A OUT_A
R3023 0 C3004
INPUT_B OUT_A
100P
C_START PVDD_AB
C3005 0.1
DVDD PVDD_AB
GND PVDD_AB
GND OUT_B
GND GND
GND
GND
R3005 C3006
0
AVDD OUT_C
0.1
INPUT_C PVDD_CD
D3000 R3007
PVDD_CD
B0ACCK000005 0 INPUT_D
/FAULT PVDD_CD
/OTW OUT_D
R3112
D3001
/CLIP OUT_D
0
B0ACCK000005
GND
R3009 M1
100
GND
M2
M3 BST_C
GVDD_CD BST_D
R3011
10
R3100
10
IC3101
C1AB00003986
DIGITAL AMPLIFIER
C3100 C3101
C3102
10 0.1
0.1
R3101
GVDD_AB BST_A
10
BST_B
VDD
R3102
GND
OC_ADJ
R3103 100 22K
GND
/RST
R3020 0
INPUT_A OUT_A
R3021 0
OUT_A
INPUT_B
C3103 1
C_START PVDD_AB
C3104 0.1
DVDD PVDD_AB
GND PVDD_AB
OUT_B
GND
GND GND
GND GND
R3026
C3105
0 AVDD OUT_C
0.1
INPUT_C PVDD_CD
INPUT_D PVDD_CD
R3104 0
/FAULT PVDD_CD
R3113 0
OUT_D
/OTW
OUT_D
/CLIP
R3547
0
GND
M1
R3538
GND
0 M2
BST_C
M3
GVDD_CD BST_D
R3105
10
C3106
0.1
18 19 20
21 22 23
1 DC_DET_SPK
C3021
0.1
C3008
0.033
C3009
0.033
3 4
C3011
1
1 2
L3000
G0C100M00013
L3001
G0C100M00013
3 4
1 2
C3026
0.033
C3027
0.033
C3107
0.033
L3100
C3108
G0C100M00013
0.033
3 4
C3111
0.1
1 2
C3117
0.1
3 4
C3122
1 2
0.033
L3101
G0C100M00013
C3123 FA: MAIN (FAN LED) & MAIN (BLUETOOTH CONNECT): SCHEMATIC DIAGRAM - 1
0.033
FE: MAIN (FE): SCHEMATIC DIAGRAM - 2
IO: MAIN (IO EXPANSION): SCHEMATIC DIAGRAM - 3 ~ 4
MI: MAIN (MICON): SCHEMATIC DIAGRAM - 5 ~ 7
VR: MAIN (VREG FAN): SCHEMATIC DIAGRAM - 8 ~ 9
21 22 23
65
24 25 26 27
Q3502
Q3500
B1ADCE000012 B1ABCF000231
DC DETECT DC DETECT
R3536 C3551
Q3503 100K 1
B1ABCF000231
R3534
DC DETECT
22K
R3535
100K
R3507
R3505
3.3
100K
C3522
0.01
C3523
0.01
R3506
R3508 100K
3.3
R3511
3.3
C3526
0.01
C3527
0.01
R3512
3.3
1/3 2/3 3/3
24 25 26 27
28
C2662
0
SA-AKX710PU
28