Panasonic SA-AK770PL Service Manual page 106

SA-AK770PL / SA-AK770GCP
15 16 17
SCHEMATIC DIAGRAM - 16
D-AMP CIRCUIT
: +B SIGNAL LINE
L5501
J0JKB0000020
CN5500
VDD 8
VDD
7
TO
AGND
GND
SMPS CIRCUIT 6
GND
(H5801*) 5
L5500
IN SCHEMATIC VSS 4
J0JKB0000020
DIAGRAM - 17 VSS 3
FAN GND 2
FAN DC 1
TO D-AMP
SECTION (1/2)
1
4
CN5050
1
FRONTL 17
SIGNAL A_GND 16
FRONT R 15
AGND
14
REAR R/SUBWOOFER 13
AGND 12
B
TO 11
MAIN CIRCUIT AGND
10
K5302
(CN5050)
9
0
IN SCHEMATIC
AGND 8
DIAGRAM - 3
CENTER
7
6
MUTE F_SW (MODE 2) 5
FHOP
4
OSC2/FAN
3
DC_DET 2
MOD_DA 1
17
6
5
15 16 17
18 19 20 21
: -B SIGNAL LINE : MAIN SIGNAL LINE
C5445 0.1
C5450
0.1
3 2 1
ZJ5400
1 2 3 4
OSC
C5001 C5002 R5000 C5006
5.6K
1000P 0.47
IN+_FR
330P
VDDP
R5010
C5004 R5002
10 0.47 5.6K
VDDA0
VDDP
VSSP
FAN_GND
FAN_DC
VSSP
R5011 10 VSSA0
IN+_FL
1 2 3
OSC C5120
R5118
C5412
0.47
5.6K
C5117
330P
1000P
C5121 R5119
5.6K
0.47
VDDP
VSSP
VSSA4
IN+_FL
IN+_FR
AGND
IN+_SW
K5202
0
1 2 3
OSC
C5224
R5206
C5223
5.6K 330P
IN+_C
0.47
C5221 C5222
R5205
0.47
1000P
MUTE_F 5.6K
FHOP
W5032
DC_DET 0
MOD_DA
VDDP
K5202 0
VSSP
R5211 10 VSSA2
18 19 20 21
22 23 24
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
C5008 C5009
C5024 C5025
C5030 C5028
0.015 0.015
0.1 0.1
220P 0.1
C5010 C5011
220P R5004 R5005 220P
10 10
C5012 C5013
220P 220P
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
C5424 C5422
C5423
C5413 C5416 C5406
220P 0.015 0.015
0.1 0.47 0.1
C5407
C5411
220P
220P
R5402
R5405
10 10
C5426 C5425
220P 220P
R5410
10
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
C5201 C5204
C5208 C5209 C5212 C5214
0.015 0.015
220P
0.1 0.1 0.1
C5211
R5201 C5218
220P 10
220P
R5200
10
C5205
C5203
220P
220P
22 23 24
106
25 26 27
IC5000
C1BA00000487
AUDIO DIGITAL POWER AMP
22 23
C5007
330P
R5008
100
L5001
G0B9R5K00003
C5000
1000P
1
L5000
G0A150L00003
1 2
3
3 4
3
1
D5002
B0HCMM000019
D5004 B0HCMM000019 L5002
G0B9R5K00003
D5001 B0HCMM000019
B0HCMM000019
D5003
IC5400
C1BA00000487
AUDIO DIGITAL POWER AMP
22 23
R5404
C5404
100
330P
L5400
C5119
G0A150L00003
1000P
1 2
3 4
D5402 B0HCMM000019
D5404
B0HCMM000019
D5401 B0HCMM000019
D5403 B0HCMM000019
IC5200
C1BA00000487
AUDIO DIGITAL POWER AMP
22 23
C5216
330P R5204
100
L5201
G0B9R5K00003
1 2
C5234 L5200
G0A150L00003
1000P
1 2
3 4
3 4
D5202
B0HCMM000019
D5204 B0HCMM000019
D5201 B0HCMM000019
D5203 B0HCMM000019
SA-AK770PL/GCP D-AMP CIRCUIT
1/2 2/2
25 26 27
28
A
FR_+
B
MODE2
FR+
2
FR-
4
C
FL-
4
FL+
2
FL_+
D
E
F
SW_+
MODE1
SW+
G
SW-
SW_-
H
28