Watchman FD-30A - Picture Geometry Adjustments; Horizontal and Vertical Amplitude Adjustments; Keystone and Horizontal Frequency Adjustments; SIF Adjustment

Horizontal Amplitude Adjustment
1. Tune in an off-the-air signal.
2.
Adjust
RV852
for
the
best
horizontal
amplitude.
RV852
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RV851
Keystone Correction Circuit Adjustment
1. Tune in an off-the-air signal.
2.
Adjust
RV553
(vertical
straight-line)
and
RV851
(keystone
correct)
for
optimum
picture.
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FD-30A
FD-30A
Vertical Amplitude Adjustment
1. Tune in an off-the-air signal.
2. Adjust RV552 for the best vertical amplitude.
RV552
PMR ee aaa
SIF Adjustment
1. Tune in an off-the-air signal.
2. Adjust L251 for maixmum and clearest sound.
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T501
Horizontal Frequency Adjustment
When using frequency counter:
1.
Connect
a
10
MF/6.3
V
tantalum
capacitor
in
parallel with R505.
2. If necessary, adjust T501.
Specifications:
15.734
—
15.854
KHz
When using an off-the-air signal:
1. Tune in an off-the-air signal.
2.
Turn
and
adjust
the
core
fo
T501
for
optimum
picture.
10/6.3 V
frequency counter
Luminance
1. Bridge
neck of
2. Connec1
for 10 -