Main (Damp) Circuit (For Sa-Akx910Pu) (3/ 3) - Panasonic SA-AKX710PU Service Manual

12.16. Main (DAMP) Circuit (For SA-AKX910PU) (3/3)
29 30 31
SCHEMATIC DIAGRAM - 15
A MAIN (DAMP) CIRCUIT
DAMP_RST
+PWM1
-PWM1
+PWM2
-PWM2
DAMP_RST
+PWM4
-PWM4
29 30 31
32 33 34
: +B SIGNAL LINE : OUTPUT SIGNAL LINE
R3200
10
IC3201
C1AB00003986
DIGITAL AMPLIFIER
C3200 C3201
C3202
C3207
10
0.1
0.1 0.033
R3201
GVDD_AB BST_A
10
BST_B
VDD
R3202
R3203 C3208
GND
22K OC_ADJ
100 0.033
GND
/RST
R3212 0
INPUT_A OUT_A
C3203
R3213 0
C3213
INPUT_B OUT_A C3211
1
1 0.1
C_START PVDD_AB
0.1
C3204
DVDD PVDD_AB
GND PVDD_AB
GND OUT_B
GND GND
GND GND
C3205
AVDD OUT_C
0.1
INPUT_C PVDD_CD
INPUT_D PVDD_CD
R3204 0
/FAULT PVDD_CD
R3114 0 C3218
/OTW OUT_D
1
/CLIP OUT_D
R3541
0
GND
M1
C3222
R3548 M2 GND
0.033
0
M3 BST_C
GVDD_CD BST_D
R3205 C3223
10
0.033
IC3301
R3300
C1AB00003986
10
DIGITAL AMPLIFIER
C3302
C3303 C3308
0.1
0.1 0.033
R3301
GVDD_AB BST_A
10
BST_B
R3302 VDD
C3309
GND
OC_ADJ
22K 0.033
R3303 100
/RST GND
R3318 0
INPUT_A OUT_A
R3319 0
C3311
INPUT_B OUT_A
C3304 100P 1
C_START PVDD_AB
C3305 0.1
DVDD PVDD_AB
GND PVDD_AB
R3304
GND OUT_B
0
GND GND
C3306
GND GND
R3305
0.1
0
AVDD OUT_C
C3319
INPUT_C PVDD_CD
1
INPUT_D PVDD_CD
R3307 0
/FAULT PVDD_CD
R3115 0 C3320
/OTW OUT_D
1
/CLIP OUT_D
GND
R3309 M1
C3326
100 GND
M2
0.033
R3311
M3 BST_C
10
GVDD_CD BST_D
C3327
0.033
32 33 34
35 36 37 38
R3519
3.3
C3534
0.01
C3535
0.01
R3520
3.3
L3200
G0C100M00013
R3523
3 4
C3538
1 2
C3539
R3524
L3201
G0C100M00013
3 4
1 2
R3527
3.3
C3542
0.01
C3543
0.01
R3528
3.3
L3300
G0C100M00013
3 4
1 2
3 4
1 2
L3301
G0C100M00013
35 36 37 38
69
39 40 41
JK3502
1 FR+ LO
2 FR- LO
FR+ HI
3
4 FR- HI
5 FL+ LO
6 FL- LO
7 FL+ HI
8 FL- HI
C4583 9 SUB+
50V22
R3521
10 SUB-
100K
R3522
100K
C4584
R3513
3.3 50V22
100K
0.01
0.01
R3514
100K
3.3
R3518
100K
R3517
100K
C3548
0
1/3 2/3 3/3
39 40 41
42
A
TO SPEAKERS
B
C
D
E
F
G
SA-AKX910PU
H
42