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10 BLOCK DIAGRAMS
POWER SUPPLY BLOCK DIAGRAM
MAIN C.B.A.
F801
6.3A
L801
L802
125V/250V
P801
1
LINE
LINE
AC CORD
P801
FILTER
FILTER
2
(FROM IC6001(41))
TV POWER ON(H)
L1001
D1001
LINE
FULL-WAVE
FILTER
RECTIFIER
D804-807
FULL-WAVE
RECTIFIER
RL801
V1
3 Vp-p
SW+12V
Q801
1 V
2 µs
V1
250 Vp-p
F
50 V
2 µs
V1
40 Vp-p
G
2 µs
10 V
T1001
D1016
RECTIFIER
3
18
D1010
17
RECTIFIER
IC1001
D1011
4
SWITCHING
1
5
16
RECTIFIER
CONTROL
6
7
D1013
RECTIFIER
14
D1015
D1002
D1009
8
15
RECTIFIER
D1006
D1005,
D1004
12
D1008
D1003
7
13
IC1002
4
1
D1017
3
2
T850
D860
2
14
RECTIFIER
12
3
4
IC850
D863
4
SWITCHING
1
5
CONTROL
3
F
2
G
D857
PR850
8
11
RECTIFIER
D858
D856
7
10
Q1201
C1027
SMOOTHING
D1201,
D1202,
IC1201
C1020,1028
D1203
+12V
SMOOTHING
2
4
REG.
1
C1024,1029
SMOOTHING
C1025,1030
SMOOTHING
Q1206
C1026,1031
SMOOTHING
IC1005
+6V
2
4
REG.
1
IC1004
+5V
4
5
REG.
3
IC1006
+3.3V
IC1003
2
4
REG.
SHUNT
3
1
1
REG.
2
55
PV-20DF25 / PV-27DF25 / PV-27DF5 / PV-20DF25-K / PV-27DF25-K
TP851
C867,872
TO DEFLECTION
+130V
SMOOTHING
P851
C.B.A. P502
D864,
D865,
D859
C865,868
D866
SMOOTHING
+18V/+14V
D861
OVER VOLTAGE
PROTECTOR
SW+30V
SW+12V
(FROM IC6001(81))
POWER ON(H)
UNSW+5V
SW+5V
(FROM IC6001(48))
DVD POWER ON(H)
3
ACT VM+5V
TO DVD MAIN C.B.A.
4
M VM+6V
P8402
10
SW+5V
8,9
SW+3.3V
POWER SUPPLY BLOCK DIAGRAM
PV-20DF25/PV-20DF25-K/PV-27DF25/PV-27DF25-K/PV-27DF5
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