Panasonic SA-XH170EB Service Manual page 107

15 16 17 18
SCHEMATIC DIAGRAM - 15
E D-AMP CIRCUIT
: +B SIGNAL LINE
TO D-AMP
CIRCUIT (1/4)
D5401
DA2J10100L
DCDET
QR5400
B1GBCFNN0038
DC DETECT
C5300
10
R5300
10
VDD
R5301
100
VALID
C5301
PWM_C+ 100P
PWM_C-
R5201
DGND
C5342
PWM_SW+
PWM_SW-
SD
L5403
G1C4R7MA0172
PW_+12V
P1
TO D-AMP
CIRCUIT (4/4)
19 20 21
: AUDIO OUTPUT SIGNAL LINE
R5304
C5305
10
0.1
G0C100M00007
C5340 C5341
0.1 4.7
2
1 44
PSU_REF GVDD_AB
2 VDD BST_A 43
R5303 22K
C5308 4
3 OC_ADJ PVDD_A 42
0.033
4 41
/RESET PVDD_A
C5304 4700P
5 C_STARTUP OUT_A 40
C5311
6 39 1
PWM_A OUT_A
7 PWM_B GND_A 38
C5302 4.7
8 V1_CM GND_B 37 C5312
1
9 36
GND OUT_B
10 AGND PVDD_B 35
C5309 0.033
11 VREG BST_B 34
0.1
C5310 0.033
12 33
PWM_C BST_C
13 PWM_D PVDD_C 32
14 31
TEST OUT_C
C5313
15
NC GND_C 30 1
16 29
NC GND_D
17 28
SD(L) OUT_D
C5314
18 OTW(L) OUT_D 27 1
G0C100M00007
19 READY PVDD_D 26
C5307 2
20 M1 PVDD_D 25
0.033
21 M2 BST_D 24
22 23
M3 GVDD_CD
IC5300
4
C1AB00003582
DIGITAL AMPLIFIER
C5306
0.1
R5305
10
22 23 24
L5301
R5314
R5308
100K R5318
3.3
C5321 5.6K
0.22
1 C5338
0.01
C5319
R5311
0.27 10K R5315
R5309 100K
3.3
3 C5322
0.22
C5337
0.01
R5316 R5317 R5319
100K 100K 5.6K
L5302
R5306
3.3
C5323
0.22
1
C5329
0.01
C5320
R5310
0.47
10K
R5307
3.3
3
C5324
0.22
C5330
0.01
107
25 26 27
C+
C5333
1000P
C-
C5334
1000P
PVDD
GND
SW+
C5335
1000P
SW-
C5336
1000P
1/4 2/4
3/4 4/4
SA-XH170EB/EG,SA-XH175EP D-AMP CIRCUIT
28
A
B
C
D
E
F
G
H