Panasonic SA-VK470EE Service Manual page 112

SA-VK470EE
20.6. D-Amp Circuit
1 2 3
SCHEMATIC DIAGRAM - 14
A
M
D-AMP CIRCUIT
IC5500
C0JBAB000902
B C5562
6.3V1000
INVERTER GATE
(CLOCK GENERATOR)
C5550
0.01
1 1A VCC 14
D5502
C5556
MA2J11100L
0.01
2 1Y 6A 13
D5501
C5557
MA2J11100L
100P
3
2A 6Y 12
C5551 X5501
390P H2A7003A0011
4 5A
2Y 11
C5553
C 100P
5 3A 5Y 10
X5500
H2A6023A0011
6 3Y 4A 9
C5552 R5505
390P 100
7 8
GND 4Y
D
1 O1 VCC 14
13
2 O1 O2
3 CP1 O2 12
4 CD1 CP2 11
10
5 D1 CD2
E
6 SD1 D2 9
7 8
GND SD2
IC5501
C0JBAF000716
D-TYPE FLIP-FLOP
F
CN5050
1
FRONTL 17
SIGNAL A_GND 16
FRONT R
15
AGND
14
REAR R/SUBWOOFER 13
G
AGND
12
B
SURROUND L 11
TO
MAIN CIRCUIT AGND 10
K5302
SURROUND R
(CN2808) 9
0
IN SCHEMATIC REAR L/AGND 8
DIAGRAM - 9 CENTER C5033
7
MUTE S_C (MODE 1)
6
MUTE F_SW (MODE 2) 5
FHOP
4
R5671 0 R5023
OSC2/FAN
3
DC_DET 2
MOD_DA
1
H 17
1 2 3
4 5 6
: +B SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE
FHOP
FAN_DC
FAN_GND
IC5000
C1BA00000487
AUDIO DIGITAL POWER AMP
1 2 3
OSC
C5002 R5000
5.6K
0.47
IN+_FR
C5006
C5004 R5002 330P
0.47 5.6K
IN+_FL
R5010 10 VDDA0
VDDP
SW+5V
VSSP
R5011 10 VSSA0
C5445 0.1
C5450
0.1
3 2 1 3 2 1
ZJ5400 ZJ5410
IN+_FL
Q5603
B1ADCE000012
IN+_FR
SWITCH
SW+5V
DC_DET
0.1
MUTE_F
FHOP
R5609
10K
1.2K
R5602
10K
MOD_DA
4 5 6
7 8 9
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
C5008 C5009
C5024 C5025
C5030 C5028
0.015 0.015
0.1 0.1
220P 0.1
C5011
C5026
0.1 220P
C5010 R5004 R5005
220P 10
10
C5012 C5013
220P 220P
L5000
G0A150L00003
1
3
R5611
1.2K
MODE
Q5102
B1ABCF000176
DC DETECT
Q5601
Q5101
B1ABCF000176
B1ABCF000176
SWITCH
DC DETECT
Q5604
B1ABCF000176
SWITCH
AGND
7 8 9
112
10 11 12
20 21 22 23
C5007
330P R5008
100
MODE
FAN_DC
FAN_GND
C5000
1000P VSSP
AGND
VDDP
D5001 B0HCMM000019
D5003 B0HCMM000019
D5002 B0HCMM000019
D5004 B0HCMM000019
L5001
G0B9R5K00003
1 2
2
3 4
4 3 4
1 2
L5002
G0B9R5K00004
R5020 68K FR_+
FL_+
68K
R5019
10 11 12
13 14
A
B
CN5500
C
1 FAN DC
2 FAN GND
N
TO
3 VSS
SMPS CIRCUIT
4 VSS
(H5801*)
5
GND
IN SCHEMATIC
6
GND
DIAGRAM - 15
7 VDD
8 VDD
D
JK5001
FL-
FR+
4 FRONT L-
FL+
3 FRONT L+
TO SPEAKERS
FR-
2 FRONT R-
FR+
FR- 1 FRONT R+
E
FL-
FL+
F
K5251 0
...VK470
K5253 0
...VK470
G
K5255 0
...VK470
SA-VK470EE D-AMP CIRCUIT
H
13 14