Main (Damp) Circuit (3/3) - Panasonic SA-MAX3500PU Service Manual

12.13. Main (DAMP) Circuit (3/3)

29 30 31
SCHEMATIC DIAGRAM - 12
A MAIN (DAMP) CIRCUIT
R3201
DAMP_RST R3203
+PWM1 R3212
R3213
-PWM1
R3204
R3114
R3301
DAMP_RST R3303
+PWM4 R3318
R3319
-PWM4
R3307
R3115
0
29 30 31
32 33 34
: +B SIGNAL LINE : OUTPUT SIGNAL LINE
IC3201
R3200
10 C1AB00004014
DIGITAL AMPLIFIER
C3202 C3207
0.1 0.033
GVDD_AB BST_A
BST_B
VDD
C3208
GND
10 OC_ADJ 0.033
100 R3202
GND
/RST
22K
0
INPUT_A OUT_A
C3203
0
INPUT_B OUT_A
1
C_START PVDD_AB
C3204 0.1
DVDD PVDD_AB
GND PVDD_AB
GND OUT_B
GND GND
C3205
GND GND
0.1
AVDD OUT_C
PVDD_CD
INPUT_C
INPUT_D PVDD_CD
0
/FAULT PVDD_CD
0
/OTW OUT_D
/CLIP OUT_D
GND
M1
C3222
R3548
M2 GND
0 0.033
M3 BST_C
GVDD_CD
BST_D
R3205 C3223
10 0.033
IC3301
R3300
10 C1AB00003986
DIGITAL AMPLIFIER
C3303 C3308
0.1 0.033
GVDD_AB BST_A
10
BST_B
VDD
R3302
C3309
OC_ADJ GND
0.033
100 22K
GND
/RST
0
INPUT_A OUT_A
0 C3304
INPUT_B OUT_A
100P
C_START PVDD_AB
C3305 0.1
DVDD
PVDD_AB
GND PVDD_AB
GND OUT_B
GND GND
C3306
GND GND
0.1
AVDD OUT_C
INPUT_C PVDD_CD
PVDD_CD
INPUT_D
0
/FAULT PVDD_CD
/OTW OUT_D
/CLIP OUT_D
GND
M1
C3326
GND
M2
0.033
R3311
M3 BST_C
10
BST_D
GVDD_CD
C3327
0.033
32 33 34
35 36 37
L3200
G0C100M00013
3 4
1 2
L3201
G0C100M00013
3 4
1 2
L3300
G0C100M00013
3 4
1 2
3 4
1 2
L3301
G0C100M00013
35 36 37
68
38 39 40
JK3500
G1
1 SW+_1
2 SW-_1
3 FR+ MID
4
FR- MID
ABT
5 FR+ HI
FR- HI
6
R3519
R3517 7 FL+ MID
3.3
100K
8 FL- MID
C3534
9
0.01 FL+ HI
10
FL- HI
C3535 11 SW+_2
0.01
12 SW-_2
R3518
100K
R3520
G2
3.3
R3523
R3521
3.3
100K
C3538
0.01
C3539
0.01
R3522
R3524 100K
3.3
C3548
0
1/3 2/3 3/3
38 39 40
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A
TO SPEAKERS
B
C
D
E
F
G
SA-MAX3500PU
H
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