CHASSIS ALIGNMENT
1.
PIF Adjustment
1-1
Tuner AGC connects to GND. Pattern Generator outputs 38.9MHz R.F. signal and connects to tuner
IF output terminal or pin 5 of saw filter.
1-2
Connect Digital voltmeter across C227. DC Regulated power supply positive terminal 20V
to pin 1 of IC302 and negative terminal of D608. DC Regulated power supply negative terminal
connects to pin 2 of IC302.
1-3
Adjust L203 coil to obtain 3.6V Digital voltage meter reading.
2.
System NTSC Adjust(L108)
2-1
Tuner AGC connects to GND. Connect Sweep Signal Generator to tuner IF output terminal. Sweep
oscilloscope V-IN terminal connects to C109. And connect Q102 'b' pole to the power terminal of
R104. (shown in FIG.2)
Sweep Signal
Generator
Sweep
Osciloscope
DC Regulated
Power Supply
Summary of Contents for CTV-37V10
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