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Horizontal Frequency (H:-FREQ) Adjustment
1, Short-circuit between IC501-pin (9) and
a©) with jumper wire.
2. Connect the frequency counter to IC501
pin @®.
'
Vertical Amplitude (V°SIZE) Adjustment.
1. Tune in an off-air signal
2. Adjust RV552 for the best vertical ampli-
tude.
1. Tune in an off-air signal.
2. Adjust. RV8SS. for the best horizontal
amplitude.
frequency counter
Keystone Correction (KEYST) Adjustment
1. Tune in an off-air signal.
DUTY
MAX Adjustment and 17 V Adjust-
ment
ae Set RV855, (H-SIZE) to the mechanical
center.
.
ae
2. Adjust RV554 for the optimum picture.
Xx
O
x
Alla
Focus Adjustment
2. Connect
digital voltmeter to Q856 col-
lector.
;
3. Adjust RV604 for a maximum reading on
digital voltmeter.
4. Adjust
the external 'de power
supply
output to the DC IN 6 V jack to 4.8 V.
Ss Adjust RV603 "so that the digital volt-~
meter reading is 17 V. (Duty Max Adjust- _
ment)
:
2. Tune in:an off-air signal.
center of the picture.
e
ee
>
6. Adjust the external dc power supply out=
~
1
36
Q603 collector
——
Rv60o1
ont
~ NIMZ
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