Panasonic SA-PT750PL Service Manual page 108

SA-PT750PL
15 16 17
SCHEMATIC DIAGRAM - 12
F
D-AMP CIRCUIT
:+B SIGNAL LINE
C5448
TO HEATSINK ZB5500
C5447
ZB5501
TO HEATSINK
C5449
TO HEATSINK
C5446
TO HEATSINK
J0JKB0000020
H5500
VDD 8
G
VDD
TO 7
SMPS CIRCUIT GND
6
(CN5801) GND
5
IN SCHEMATIC VSS
4
DIAGRAM - 13
VSS 3
FAN DC
2
FAN GND
1
J0JKB0000020
TO D-AMP
SECTION (1/2)
F1
F2
F3
F4
CN5050
1
FRONTL 17
SIGNAL A_GND 16
FRONT R
15
AGND
14
SUBWOOFER
13
AGND 12
B
SURROUND L 11
TO
AGND 10
MAIN CIRCUIT
SURROUND R 9
(CN2009)
AGND
IN SCHEMATIC 8
CENTER
DIAGRAM - 7 7
MUTE S_C (MODE 1)
6
MUTE F_SW (MODE 2)
5
FHOP
4
NC 3
DC_DET 2
MOD_DA
1
17
F6
15 16 17
18 19 20
:-B SIGNAL LINE :MAIN SIGNAL LINE
C5445
C5450
0.1
0.1
0.1
3 2 1
0.1
ZJ5400
0.1
1 2
OSC
C5001 C5002 R5000 C5006
0.1
5.6K
1000P 0.47
IN+_FR
L5501
VDDP
R5010 C5004 R5002
10 0.47 5.6K
VDDA0
AGND
VDDP
VSSP
L5500
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
0 C5221
1000P
MUTE_S
C5222 R5205
MUTE_F
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
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
C5030 C5008 C5009
C5024 C5025
220P 0.015 0.015
0.1 0.1
330P
C5010 C5011
R5005
220P R5004 220P
10
10
C5012 C5013
220P 220P
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
C5201 C5204
C5208 C5209 C5212
0.015 0.015
0.1 0.1
220P
330P
C5211 C5218
R5200 R5201
220P 220P
10 10
C5203 C5205
220P 220P
21 22 23
106
24 25 26
IC5000
C1BA00000487
AUDIO DIGITAL POWER AMP
18 19 20 21 22 23
C5007
C5027 C5028
330P
0.1 0.1 R5008
100
C5000
1000P
L5000
G0A150L00003
1 2
K5004
0
3 4
IC5200
C1BA00000487
AUDIO DIGITAL POWER AMP
18 19 20 21 22 23
C5216
C5220 C5214
330P R5204
0.1 0.1
100
C5234
L5200
G0A150L00003
1000P
1 2
3 4
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
SA-PT750PL D-AMP CIRCUIT
27 28