C) Power Circuit - Panasonic SA-HT640WP Service Manual

18.3. (C) Power Circuit

SCHEMATIC DIAGRAM-10
C
POWER(DIGITAL AMP) CIRCUIT
H
CN5050
FRONTL
17
AGND
16
FRONT R
15
AGND
14
SUBWOOFER
13
AGND
12
B
SURROUND
TO
11
AGND
MAIN CIRCUIT
10
G SURROUND R
(CN2011) on 9
AGND
SCHEMATIC
8
CENTER
DIAGRAM-9
7
MUTE_C_SR(MODE 1)
6
MUTE_F_SW(MODE 2)
5
FHOP
4
AGND
3
MUTE_CSW
2
MOD_DA
1
F
E
DC_DET
SW+5V
SIGNAL
D
L5501
J0JKB0000020
+30V
+30V
S_GND
S_GND
-30V
-30V
C
L5500
J0JKB0000020
Q5102
B1ABCF000176
DC DETECT
Q5101
B1ABCF000176
DC DETECT
B
A
1 2 3
: MAIN SIGNAL LINE :+B SIGNAL LINE :-B SIGNAL LINE
C5002 R5000
0.1 5.6K
IN+_FL F_HOP
C5005 R5003
0.1 5.6K
IN+_FR
C5314 R5306
0.47 5.6K
IN+_SW
C5222 R5205
0.1 5.6K
IN+_C
C5004 R5002
0.1 5.6K
IN-_FL
C5003 R5001
0.1 5.6K
IN-_FR
C5317 R5307
0.47 5.6K
IN-_SW
C5223 R5206
0.1 5.6K
IN-_C
OSC
SW+5V
R5573
100
MODE1
R5575
100
MODE2
F_HOP
DC_DET
SW+5V
SIGNAL
IN+_FL
IN-_FL
VDDP
VDDP
VSSP
DC_DET
VSSP
R5021
2.2K
SIGNAL
R5022
1.2K
4 5
R5501 R5505
1K 100K
R5503
100K
R5508
Q5500 100K
B1ADCE000012
R5506
6.8K
SWITCHING
X5500
H2A375300003
Q5501
375KHz
B1ADCE000012
SWITCHING
X5501
H2A415300001
415KHz
IC5000
C1BA00000407
AUDIO DIGITAL POWER AMP
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
C5026
0.1
C5012 C5013 R5005
220P 220P
C5011
220P
R5010
10
C5023
0.1
R5011
10
6 7 8
79
IC5500
C0JBAB000011
INVERTER(CLOCK GENERATOR)
1 1A VCC 14
1Y 6A
2 13
3 2A 6Y 12
4 2Y 5A 11
R5509
0
5 3A 5Y 10
R5507
1M
6 3Y 4A 9
7 GND 4Y 8
17 18 19 20 21 22 23
C5029
0.1
10
L5001
G0B9R5K00001
1 2
3 4
L5000 L5002
ETQA15A150T G0B9R5K00001
1 2 3 4
3 4 1 2
SA-HT640WP/PC POWER(DIGITAL AMP) CIRCUIT
9 10 1 1
SA-HT640WP / SA-HT640WPC
FR+
FR-
FL-
FL+
12 13