Panasonic SA-PT480PH Service Manual page 128

15 16 17 18
SCHEMATIC DIAGRAM - 16
C
D-AMP CIRCUIT
: +B SIGNAL LINE
TO D-AMP
SECTION (1/4)
R5100
/SD
PWM_SL
K5102 0
R5101
VALID2
PWM_SR
K5103 0
R5102
C5101
P1
0.1
PWM_FL+
K5105 0
R5103
PWM_FR+
K5106 0
R5105
VCC
R5445 10K
GND
19 20 21
: AUDIO OUTPUT SIGNAL LINE
R5453
33K
IC5100
C5100 C5119
C1AB00003260
0.1 0.1
DIGITAL AMPLIFIER
R5109 10
1 GVDD_B GVDD_A 36
C5118 0.033
35
2 /OTW BST_A
10
3 /SD PVDD_A 34
4 INPUT_A OUT_A 33 C5115 C5116
C5117
100
2.2 2.2 63V330
5
/RESET_AB GND_A 32
6 INPUT_B GND_B 31
22K C5113 C5114
7 OC_ADJ OUT_B 30
2.2 2.2
8 GND PVDD_B 29
C5112 0.033
9 AGND BST_B 28
C5111 0.033
10 27
VREG BST_C
11 M3 PVDD_C 26
C5109
C5110
12 M2 OUT_C 25
2.2 2.2
24
13 M1 GND_C
14 INPUT_C GND_D 23
100 C5107 C5108
15 /RESET_CD OUT_D 22
2.2
2.2
16 INPUT_D PVDD_D 21
C5106 0.033
17 VDD BST_D 20
R5106 10
18 GVDD_C GVDD_D 19
10
C5104 C5105
0.1 0.1
22 23 24
Q5414
B1ABCF000011
DC DETECT
C5439
R5454 1 R5449
47K 100K
D5625
B0HCSP000001
C5134
R5113
35V330
5.6K
C5120
L5100
1
G0C100M00006 C5128
D5624
35V470
B0HCSP000001
D5514
2 1
B0ACCK000005
D5623
B0HCSP000001
4 3
C5121 R5117
R5450
35V330
5.6K
100K
C5127
1
C5133
35V470 D5513
B0ACCK000005
D5622
B0HCSP000001
D5621
B0HCSP000001
L5101
C5136 R5121
G0C100M00006 R5451
35V330
5.6K
100K
C5135
2 1
1
C5137
D5620
35V470
B0HCSP000001
D5512
4 3
B0ACCK000005
D5619
B0HCSP000001
C5143 R5125
R5452
35V330
5.6K
100K
C5142
1
C5144
35V470
D5618
D5510
B0HCSP000001
B0ACCK000005
TO D-AMP
SECTION (4/4)
128
25 26 27
Q5409
B1ABCF000011
DC DETECT
Q5408
B1ABCF000011
DC DETECT
R5431
22K
C5427
L5104
R5126 10
G0B9R5K00005
100K
SR+
1 2
C5152
1000P
R5133
5.6K
SR-
3 4
C5153
1000P
L5103
R5128 G0B9R5K00005
100K
SL+
1 2
C5150
1000P
R5134
5.6K
SL-
3 4
C5151
1000P
L5105
G0B9R5K00005
R5130
100K
FL+
1 2
C5154
1000P
R5132
5.6K
FL-
3 4
C5155
1000P SPK_GND
L5106
G0B9R5K00005
R5136
100K
FR+
1 2
C5156
1000P
R5135
5.6K
FR-
3 4
C5157
1000P
1/4 2/4
3/4 4/4
SA-PT480PH D-AMP CIRCUIT
28
A
B
C
D
E
F
G
H