Panasonic SA-BTT775GA Service Manual page 144

15 16 17 18
SCHEMATIC DIAGRAM - 10
C
D-AMP CIRCUIT
: +B SIGNAL LINE
TO D-AMP
CIRCUIT (1/4)
D5401
B0ACCK000005
DCDET
QR5400
B1GBCFNN0038
DC DETECT
D5402
B0ACCK000005
QR5402
C5300
B1GBCFNN0038 10
DC DETECT
R5300
10
VDD
R5301
100
VALID
C5301
100P
PWM_C+
PWM_C-
R5201
AGND
C5342
PWM_SW+
PWM_SW-
SD(L)
L5403
G1C4R7MA0172
PW_DC12_A
P1
TO D-AMP
CIRCUIT (4/4)
19 20 21
: AUDIO OUTPUT SIGNAL LINE
R5304
10
C5305
0.1
G0C100M00007
C5340 C5341
0.1 4.7
2
1 PSU_REF GVDD_AB 44
2 43
VDD BST_A
R5303 22K C5308
4
3 OC_ADJ PVDD_A 42
0.033
4 /RESET PVDD_A 41
C5304 4700P
5 C_STARTUP OUT_A 40
C5311
1
6 PWM_A OUT_A 39
7 PWM_B GND_A 38
C5302 4.7
8 37
V1_CM GND_B C5312
1
9 GND OUT_B 36
10 35
AGND PVDD_B
C5309 0.033
11 VREG BST_B 34
0.1
C5310 0.033
12 PWM_C BST_C 33
13 32
PWM_D PVDD_C
14 TEST OUT_C 31
C5313
15 NC GND_C 30 1
29
16 NC GND_D
17 SD(L) OUT_D 28
C5314
18 27
OTW(L) OUT_D 1 G0C100M00007
19 READY PVDD_D 26
C5307 2
20 M1 PVDD_D 25
0.033
21 24
M2 BST_D
22 M3 GVDD_CD 23
IC5300
4
C1AB00003582
DIGITAL AMPLIFIER
C5306
0.1
R5305
10
22 23 24
L5301
R5308 R5314 R5318
100K
3.3 5.6K
C5321
0.22
1
C5338
0.01
C5319 R5311
0.27 10K R5315
R5309 100K
3.3
3 C5322
0.22
C5337
0.01
L5302
R5306 R5316 R5317 R5319
3.3 100K 100K 5.6K
C5323
0.22
1 C5329
0.01
C5320 R5310
0.47
10K
R5307
3.3
3 C5324
0.22
C5330
0.01
144
25 26 27 28
L5303
G0B9R5K00005
C+
1 2
C5333
1000P
C-
4
3
C5334
1000P
GND
PVDD
L5304
G0B9R5K00005
SW+
1 2
C5335
1000P
SW-
3 4
C5336
1000P
1/4 2/4
3/4 4/4
SA-BTT775GA/PU D-AMP CIRCUIT
A
B
C
D
E
F
G
H