Sanyo VM-EX220P Adjustment Manual page 86

8-6.
VIEWFINDER CIRCUIT
(For VM-EX220P/280P)
(
1C971-2
5V
L
J I
1
OK
I
45 Vp-p
OK 1 OK
1 OK
CHECK L9702
CHECK Q9701
FBT
8-7. VIEWFINDER CIRCUIT (For VM-EX370P)
I
CN971-5
l-l
NG
6 OV (UNREG)
CHECK UNREG
L
J
1
I
1
OK
A9701-3 NC CHECK DCtDC
13.5vp-p CONVERTER
1 OK
A9701 -4 NG CHECK DCIDC
12.ovp-p CONVERTER
1
OK
[
A9701-5
7.5V CONVERTER
4
1.5vp-p
1 OK
1
OK
%
1 OK
CHECK CRT
%
T9701 HV 2.2 kV
BRIGHT ADJ
G2 300
v
G3 400 v
m
NC
1C971-3 VIDEO
CHECK
VF VIDEO LINE
OK
IC971-3
NG
CHECK
0.8VP-P VF VIDEO LINE
~
OK
R. G. B. BRIGHT ADJ
1 OK
IC972-27 SYNC
CHECK IC971
1
OK
IC972-36 SYNC
CHECK IC972
1
OK
CHECK IC972
I
CHECK
BACKLIGHT
I
I CHECK LCD I
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