Question about RCA 27F530T 27" TV
The voltage on u7301 the osc mix changes from 3v for vhf to 0v for uhf .
i changed the osc mix and uhf rf amp but still only get faint video and
no audio on uhf.
i get agc on g2 but nothing on the other 3 pins,all supply volatges are ok.
when i put the meter probe on the drain of u7101, the picture come in.
i did the grounds on the tuner but still no change.
the voltages on pin 7,8,and 14 increase as i increase the channels.
the problem appear to be the mising voltages on q7107.
i thank u in advance of your reply.
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Posted on Jan 02, 2017
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