7. BLOCK DIAGRAMS
7-1. Power Supply Block Diagram
Fig. 7-1-1
AC 120V
60Hz
RECTIFIER
SMOOTHING
RECTIFIER
SMOOTHING
FILTER
LINE
FEEDBACK
SEPARATOR
D803
D802
D804
D805
C805
T801
C801
C804
Q804
Q825
SNUBBER
C806
L801
R803
D806
CONTROL
SWITCHING
Q801
Q802
GENERATOR
AC CLOCK
R870
D870
Q870
R871
6
3
2
1
9
8
16
15
14
13
SWITCH MODE
TRANSFORMER
SMOOTHING
RECTIFIER
SMOOTHING
RECTIFIER
SMOOTHING
RECTIFIER
T802
SMOOTHING
RECTIFIER
5V REG
Q831,Q832
VKK–26V
EVER 37V
F1 (+)
F2 (–)
EVER 14V
BU 5V
EVER 5V
5VS
AC CLOCK
D826
C826
C827
D827
C825
D825
C821
D821
C823
D822
,C813
9V REG
Q841
9VS
5V REG
Q843
D820
RECTIFIER
SMOOTHING
7
C832
MB 24V