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SECTION
5
ADJUSTMENTS
NOTE
1.
Test Equipment Required
@ regulated de power supply
®
color-bar/pattern generator
-
© frequency counter
@
digital voltmeter
. Input Signal
cross hatch, color-bar or off-air signal.
unless otherwise noted.
Centering Adjustment
1. Tune in an off-air signal.
2. Adjust the centering magnet so that the picture is
at the-center.
Z BOARD
ADJUSTMENT
1. Connect
a
10uF
6.3 V
tantalum
capacitor in
IC911 pin @) and ground.
2. Connect the frequency counter to IC911 pin ©.
. Horizontal Adjustment
1. Loosen the adjustment screw,
3. Tighten the screw after the adjustment.
Open Solder bridge.
frequency counter
3. Adjust RV910
for 31.15—31.35 kHz reading on
frequency counter.
4, After the adjustment,
remove
the capacitor
in
step 1.
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