Service manual
Table Of Contents

SUB
TINT AND SUB
COLOR
1. Display a picture and set the
tint
and color VRs on the control panel
to
the central click position.
2. Adjust the sub
tint
VR, R305 and sub color VR, R303
for
the optimum display.
SUB
CONTRAST AND
SUB
BRIGHT
1 . Display a picture and set the contrast and bright VRs on the control panel
to
the center click positions.
2. Adjust
the
sub contrast VR, R209 and sub bright VR, R22 (R863)
for
optimum display.
COLOR SYNC
1 . Display a color video signal.
2. Connect jumper clips between TP-40 and earth
(TP-E)
and between TP-51 and IC301 pin 15
(TP-51
B).
3. Use a non-metallic screwdriver
to
turn trimmer capacitor
C308.
4. Adjust so
that
the rolling color stripes become
thick
and the rolling slows or stops.
5. Remove jumper clips.
6. Confirm
that
color sync is
not
disrupted when signals are switched.
3.58
MHz TRAP
1 . Receive a Video Signal into the Video input terminal.
2. Connect oscilloscope probe
to
DL201 (Delay Line)
output
side.
3. Turn the core
of
T201 so
that
that
3.58MHz
signal is minimized.
MINIMUM
7