POWER SUPPLY BLOCK DIAGRAM
STROMVERSORGUNGS BLOCKSCHEMA
15V
W2
4
1
F - BOARD
D868
IC801
T801
IC251
D850
TUNER
Q850
IC851
IC853
D454
Q853
IC1101
IC1102
IC1103
IC2101
T802
RL801
5V SBY
5V SBY
5V
5V
8V
2
43
66
1
31
32
8
33
46
3
4
3
1
3
1
S4
B2
P2
P1
S5
S2
S7
10
T551
9
8
5
6
2
12V
200V
150V
-14V
14V
27V
150V
29V
7V
5V
D867
Q852
Q854
Q855
1
D805
R805
R814
IC850
1
2
D862
R854
33V
16
N - BOARD
IC1104
2
RESET
MICRO
PROCESSOR
AUDIO
PROCESSOR
EPROM
EAROM
IC1105
2
RESET
REG
REG
REG
IC1501
31
C.I.P.
IC701
6
EW
CORRECTION
POWER
SUPPLY
IC451
7
9
2
V-OUTPUT
AUDIO
OUTPUT
~
+
~
D801
E - BOARD
Y - BOARD
E3
2
Y3
2
E1
4
1
E2
2
1
R802
Line
Filter
IC351
6
R OUT
12V
E19
2
N1
2
IC1071
REMOTE
CONTROL
RECEIVER
Degauss Coil
W1
4
1
Line
Filter
Mains
In
W - BOARD
E70
11
18
19
20
F1
11
18
19
20
IC1502
53
IC1503
VIDEO
PROCESSOR
IC1504
1
Deflection
Processor
CONVERTER
HOUT5V
3.3V
66
36
19
57
9, 25, 35
56, 57, 59
10
28
51
41, 51, 53
Q1502 /3 /5 /6 /8
/9 /11 /12
E8
1
Y2
1
D554
1
1
IC361
G OUT
IC371
B OUT
6
6
2
2
2
IC856
3
1
REG
IC855
1
3
REG
F801
1
5
1
54
D458
Q908
Q1504 /7 /10 /13
Q1501
4
IC601
VIDEO
SW
7
IC852
REG
3
1
9V
13
Summary of Contents for TX-28LD20F
Page 26: ......
Page 27: ......
Page 28: ......
Page 29: ......
Page 30: ......
Page 31: ......
Page 34: ...N BOARD TNP8EN016 DIODES D1072 A6 D1071 B3 IC S IC1071 B2 C B A 1 2 3 4 5 6 7 8 31...
Page 35: ...P BOARD TNP8EP017 DIODES D580 C1 D581 C1 1 2 3 32 A B C D E...
Page 36: ...W BOARD TNP8EW002 I C S IC1901 A2 33 1 2 3 A C B...
