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9 BLOCK DIAGRAMS
9.1.
POWER SUPPLY BLOCK DIAGRAM
MAIN C.B.A.
F1001
125V/1.6A
AC CORD
P1001
1
P1001
2
Q1002
(SWITCHING CONTROL)
T1001
L1001
D1001
LINE
FULL-WAVE
1
FILTER
RECTIFIER
D1002
3
Q1001
(SWITCHING)
TP1001
6
D1003
5
D1016
IC1001 (ERROR VOLTAGE DET)
4
3
D1056
C1011
D1005
SMOOTHING
RECTIFIER
7
CIRCUIT
Q1051
+12V
REGULATOR
C1012, C1013
D1006
PR1002
SMOOTHING
8
RECTIFIER
CIRCUIT
D1015
9
(OVERVOLTAGE
Q1052
PROTECTOR)
TP1004
C1014
D1007
SMOOTHING
RECTIFIER
10
CIRCUIT
SMOOTHING CIRCUIT
D1008
PR1001
RECTIFIER
11
C1016
C1017
12
C1019
D1009
SMOOTHING
13
RECTIFIER
CIRCUIT
14
1
Q1003, Q1004, Q1005
OUTPUT VOLTAGE
2
DETECTOR
71
UNSW+14V
TP1002
UNSW+33V
TP1058
SW+12V
TP1003
UNSW+14V
(FROM IC6001(63))
POWER ON(L)
Q1070
(WITHOUT
Hi-Fi AUDIO
SWITCHING
/WITH FRONT
POWER ON-ON
A/V JACK)
Q1071
NOT USED
-5V
SW-5V
REGULATOR
UNSW-30V
TP1005
TP1050
Q1053
+5V
SW+5V
REGULATOR
(VIDEO)
TP1051
Q1056
UNSW+5V
+5V
(SYS. CTL)
REGULATOR
NOT USED
TP1006
F +
TP1007
F -
(WITH FIP)
TP1008
(TO IC6001(1))
POWER DOWN(L)
PV-9661 / PV-9662
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