Panasonic SA-XH170EB Service Manual page 109

SCHEMATIC DIAGRAM - 17
E D-AMP CIRCUIT
: +B SIGNAL LINE
TO D-AMP
CIRCUIT (2/4)
C5100 C5150
10 0.1
R5100
10
R5103
100
C5101
100P
PWM_SL+
PWM_SL-
R5102
47K
C5151
PWM_SR+ 0.1
PWM_SR-
SD
C1AB00003582
TO D-AMP DIGITAL AMPLIFIER
CIRCUIT (3/4)
VDD
C5200 C5250
10 0.1
R5200
10
R5202
100
VALID
C5201
100P
PWM_FL+
PWM_FL-
R5203
47K
DGND
C5251
0.1
PWM_FR+
PWM_FR-
C1AB00003582
DIGITAL AMPLIFIER
P1
2
1
15 16 17 18
: AUDIO OUTPUT SIGNAL LINE
G0C100M00007
R5105
2
10
C5105 0.1
4
C5104
4.7
1 44
PSU_REF GVDD_AB
C5108 0.033
2 43
VDD BST_A
R5104 22K
3 OC_ADJ PVDD_A 42
4 41
/RESET PVDD_A
C5103 4700P C5111
5 C_STARTUP OUT_A 40 1
6 39
PWM_A OUT_A
7 38
PWM_B GND_A
C5112
C5102 4.7
8 V1_CM GND_B 37 1
9 36
GND OUT_B
10 35
AGND PVDD_B
C5109 0.033
11 34
VREG BST_B
C5110 0.033
12 33
PWM_C BST_C
G0C100M00007
13 PWM_D PVDD_C 32
14 31 2
TEST OUT_C C5113
1
15 30
NC GND_C
16 NC 29
GND_D
17 28
SD(L) OUT_D 4
C5114
18 27 1
OTW(L) OUT_D
19 READY PVDD_D 26
C5107
20 PVDD_D 25
M1
0.033
21 M2 BST_D 24
22 23
M3 GVDD_CD
IC5100
C5106
0.1
R5106
10
R5206
C5205
10 G0C100M00007
0.1
2
C5204
4.7
1 44 4
PSU_REF GVDD_AB
2 VDD BST_A 43
R5205 22K
C5208
3 OC_ADJ PVDD_A 42
0.033
4 41
/RESET PVDD_A
C5202 4700P
C5211
5 C_STARTUP OUT_A 40
1
6 PWM_A OUT_A 39
7 38
PWM_B GND_A
C5203 4.7 C5212
8 V1_CM GND_B 37
1
9 GND OUT_B 36
10 35
AGND PVDD_B
C5209 0.033
11 VREG BST_B 34
C5210 0.033
12 33
PWM_C BST_C
13 PWM_D PVDD_C 32
14 TEST OUT_C 31 C5213
1
15 30
NC GND_C
16 NC GND_D 29
G0C100M00007
17 28
SD(L) OUT_D
C5214
18 OTW(L) OUT_D 27 1 2
19 READY PVDD_D 26
20 M1 PVDD_D 25
C5207 0.033
21 M2 BST_D 24 4
22 M3 GVDD_CD 23
IC5200
C5206
0.1
R5207
10
19 20 21
L5100
R5109
R5117
3.3
C5122 100K
0.22
1
C5132
0.01
C5120
0.27
R5112
3.3
3 C5123
0.22
R5114
C5133 R5118
10K
0.01 100K
R5110
100K
L5101
R5107
3.3
C5124
0.22
1
C5130
0.01
R5113
C5121
10K
0.27 R5111
100K
3 R5108
3.3
C5125
0.22
C5131
0.01
L5200
R5210 R5216
3.3 100K
C5222
0.22
1
C5232
0.01
C5220 R5213 R5220
0.27 10K R5217
5.6K
R5211 100K
3.3
3
C5223
0.22
C5233
0.01
R5221
5.6K
R5218
100K
L5201
R5208
3.3
C5224
0.22
1 C5230
0.01
C5221 R5212
0.27 R5219
10K
R5209 100K
3.3
3
C5225
0.22
C5231
0.01
22 23 24
109
SL+
C5134
1000P
SL-
C5135
1000P
Q5408
B1ABCF000231
SPEAKER PROTECTION SWITCH
SR+ Q5409
B1ABCF000231
C5136
R5431
1000P
SPEAKER PROTECTION SWITCH
33K
SR-
C5427
C5137
10
1000P
C5400
10
FL+
C5236
1000P
FL-
C5237
1000P
GND
PVDD
FR+
C5234
1000P
FR-
C5235
1000P
1/4 2/4
3/4 4/4
SA-XH170EB/EG,SA-XH175EP D-AMP CIRCUIT
25 26 27
I
J
K
L
M
N
O
P
28