Panasonic SA-BT230P Service Manual page 117

SCHEMATIC DIAGRAM - 30
C
D-AMP CIRCUIT
: +B SIGNAL LINE
3
4
PWM_C+
VALID1 R5201 100
PWM_C-
C5201
0.1
PWM_SW+
R5203
PWM_SW-
1
PVDD
2
ECO
P1
TO D-AMP
SECTION (3/4)
15 16 17
: AUDIO OUTPUT SIGNAL LINE
IC5200
C5200 C5219
C1AB00003260
0.1 0.1
DIGITAL AMPLIFIER
R5209 10
1 GVDD_B GVDD_A 36
C5218 0.033
R5200
2 /OTW BST_A 35
10
34
3 /SD PVDD_A
4 INPUT_A OUT_A 33 C5215 C5216 C5217
2.2
2.2 63V330
5
/RESET_AB GND_A 32
6 INPUT_B GND_B 31
R5202
C5213 C5214
7 30
OC_ADJ OUT_B
22K 2.2 2.2
8 GND PVDD_B 29
C5212 0.033
9 28
AGND BST_B
C5211 0.033
10 VREG BST_C 27
11 M3 PVDD_C 26
C5209 C5210
12 M2 OUT_C 25
2.2
2.2
24
13 M1 GND_C
14 INPUT_C GND_D 23
100 C5207 C5208
22
15 /RESET_CD OUT_D 2.2 2.2
16 INPUT_D PVDD_D 21
C5206 0.033
VDD 20
17 BST_D
R5206 10
18 GVDD_C GVDD_D 19
R5205
10
C5204 C5205
0.1
0.1
18 19 20
TO D-AMP
SECTION (2/4)
D5617
B0HCSP000001
L5200
G0C100M00006 R5210
3.3
C5223
1000P
2 1
D5616 C5224
B0HCSP000001 0.01
C5222
0.47
D5615
R5211
B0HCSP000001
4 3 3.3
C5226
1000P
C5227
0.01
D5614
B0HCSP000001
D5613
B0HCSP000001
L5201
G0C100M00006
R5213
3.3
D5612
C5229
B0HCSP000001
1000P
2 1
C5231
0.01
C5228
0.47
R5214
D5611
4 3 B0HCSP000001 3.3
C5230
1000P
C5232
0.01
D5610
B0HCSP000001
21 22 23
117
C5448 C5428
10 10
C5447
1
L5203
R5221
G0B9R5K00005
R5216
5.6K
100K
1 2
R5212 C5235
R5217 1000P
10K
100K
3 4
C5236
1000P
R5471
12K
C5440
1
R5223
L5204
5.6K
G0B9R5K00005
R5219
100K
1 2
C5237
R5215
1000P
R5220
10K
100K
3 4
C5238
1000P
D5628 D5627
R5474
B0BC012A0269 B0ACCK000005
1K
C5450
R5473 R5472
16V22 12K 6.8K
1/4 2/4
3/4 4/4
SA-BT230P/PC,SA-BT330P/PC D-AMP CIRCUIT
24 25 26
I
J
K
C+
C-
L
SW+
M
SW-
N
O
P
27 28