Panasonic TX-28LDP4F Service Manual page 18

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POWER SUPPLY BLOCK DIAGRAM
E - BOARD
Q852
D867
D868
T802
E1
4
Line
1
Filter
2
R802
DEGAUSS
1
COIL
E2
N - BOARD
IC1071
N1
E19
LED
2
2
RECEIVER
2
IC1104
2
MICRO
PROCESSOR
RESET
5V SBY
Q855
Q853
Q854
RL801
~
T801
D801
+
P1
~
P2
B1
3
IC801
POWER
1
4
SUPPLY
R805
R814
D805
IC850
2
ERROR
AMPLIFIER
5V SBY
43
66
8
31
1
32
IC1103
IC1101
IC1102
EAROM
EPROM
STROMVERSORGUNGS BLOCKSCHEMA
IC251
33V
AUDIO
D862
OUTPUT
R854
10
29V
S7
150V
33V
S2
D850
7V
5V
T551
S5
Q850
9
TUNER
15V
S4
5V
9V
1
IC851
3
IC852
REG
1
3
REG
12V
1
IC853
REG
CORRECTION
3
1
8V
5V
46
33
2
16
IC1105
IC2101
AUDIO
RESET
PROCESSOR
E3
Y3
2
2
200V
-14V
1
6
14V
6
5
IC451
3
D454
8
V-OUTPUT
27V
E62
H3
6
IC701
1
EW
E11
K2
7
12V
15
58
5
IC601
VIDEO
PROCESSOR
Y - BOARD
IC351
RGB
OUTPUT
2
6
H - BOARD
IC3401
2
VIDEO
7
SWITCHING
K - BOARD
IC2403
7
1
2
REG
5
IC2401
Q2407
5
DOLBY
6
33
16
PROCESSOR
46
IC2402
OPERATIONAL
4
AMPLIFIER
IC2404
HEADPHONE
8
AMPLIFIER

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