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Power Regulator Circuit
l
Horizontal Deflection Circuit
l
Picture Tube Bias Circuit
l
Protector
l
Video Circuit
l
Picture Tube
l
Replace the fuse
with new one.
l
,
again
I
I :
I ,
l
y - - - - - - - - B -
Picture Tube
L
w
-
B
-
-
I
When SCR (0613) is disconnected
and the power switch is turned on,
p - w - - - -
- - -
- - - -
I
Check +Bz line
I
L
TROUBLE SHOOTING TABLE
.
our again
r - m - - - J
- - - - - 1
,
i
i - - - - - - - - - - -
-i
- - - , - J
Yes
- w - w -
, SCR (0613)
I
F i r s t l y t u r n o f f t h e p o w e r
switch and about 15 seconds
thereafter turn on the power
switch. At this moment, is
horizontal oscillation sound
heard?
I
i 20704,
I
I
I
I
- - - - --mm-- A
,
I
I
4
Check for the collector
voltage of 0705.
Yes
Check for the bias circuit of
picture
tube.
Check high
voltage rectifier unit.
Normal
When TP804 is grounded,
is there caused a raster?
No
Yes
L
s
e
-
-
I circuits,
L -v-- LA
1
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Troubleshooting
