Panasonic SA-PT750PC Service Manual page 114

SA-PT750P / SA-PT750PC
15 16 17
SCHEMATIC DIAGRAM - 14
H
D-AMP CIRCUIT
:+B SIGNAL LINE
C5448
TO HEATSINK ZB5500
C5447
TO HEATSINK ZB5501
C5449
TO HEATSINK
C5446
TO HEATSINK
J0JKB0000020
H5500
VDD 8
I
VDD
TO 7
AGND
SMPS CIRCUIT GND
6
(CN5801) GND
5
IN SCHEMATIC VSS
4
DIAGRAM - 15
VSS
3
FAN DC 2
FAN GND 1
L5500
J0JKB0000020
TO D-AMP
SECTION (1/2)
H1
H2
H3
H4
CN5050
1
FRONTL 17
SIGNAL A_GND 16
FRONT R
15
AGND
14
SUBWOOFER 13
AGND
12
C
SURROUND L
11
TO
AGND 10
MAIN CIRCUIT
SURROUND R
9
(CN2009)
AGND
IN SCHEMATIC 8
CENTER 7
DIAGRAM - 8
MUTE S_C (MODE 1) 6
MUTE F_SW (MODE 2)
5
FHOP
4
NC 3
DC_DET
2
MOD_DA
17 1
H6
15 16 17
18 19 20
:MAIN SIGNAL LINE
:-B SIGNAL LINE
C5445
C5450
0.1
0.1
0.1
3 2 1
0.1
ZJ5400
0.1
1 2 3
OSC
C5001 C5002 R5000 C5006
0.1
5.6K
1000P 0.47
IN+_FR
330P
L5501
VDDP
R5010
C5004 R5002
10 0.47 5.6K
VDDA0
VDDP
VSSP
VSSP
R5011
10
VSSA0
IN+_FL
FAN_DC
FAN_GND
IN+_FL
IN+_FR
IN+_SW
1 2
OSC
C5223
R5206
C5224
W5032
0.47 5.6K
C5221
0
1000P 330P
MUTE_S
MUTE_F C5222 R5205
0.47 5.6K
FHOP
DC_DET
R5210 10 VDDA2
MOD_DA
VDDP
C5509
35V470
VSSP
R5211
VSSA2
10
18 19 20
21 22 23
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
C5030 C5008 C5009
C5024 C5025
C5027
220P 0.015 0.015
0.1 0.1
0.1
C5010 C5011
220P R5004 R5005 220P
10 10
C5012 C5013
220P 220P
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
C5201 C5204
C5208 C5209 C5212 C5220
0.015 0.015
0.1 0.1 0.1
220P
C5211 C5218
R5201
R5200 220P
220P
10
10
C5203 C5205
220P 220P
21 22 23
114
24 25 26
IC5000
C1BA00000487
AUDIO DIGITAL POWER AMP
19 20 21 22 23
C5007
C5028
330P
0.1 R5008
100
C5000
1000P
L5000
G0A150L00003
1 2
K5004
0
3 4
IC5200
C1BA00000487
AUDIO DIGITAL POWER AMP
19 20 21 22 23
C5216
C5214
330P R5204
0.1
100
C5234 L5200
G0A150L00003
1000P
1 2
3 4
SA-PT750P/PC D-AMP CIRCUIT
1/2 2/2
24 25 26
27 28
A
FR_+
B
MODE2
L5001 - L5002
G0B9R5K00003
L5001
FR+
1 2
FR-
C
3 4
L5002
FL-
3 4
FL+
1 2
FL_+
D
E
F
C_+
MODE1
L5201
G0B9R5K00003
C+ G
1 2
C-
3 4
C_-
H
27 28