Picture fine while still cool, then it starts horrizontal patches fluttering across screen, mostly at top and bottom, with a fan blowing into rear breather holes it works ok, heat problem i guess, started about 2 months ago and contunualy getting worse, no good unless i use fan in rear, any help will be great.
1. HORIZONTAL PULLING AND TEARING, MAY ALSO HAVE VERTICAL ROLLING OR VERTICAL BLANKING BAR LOCKING IN THE MIDDLE OF THE PICTURE. CHECK C2C52 10 UFD @ 50 V OFF THE BASE OF Q2C51 ON THE SIGNAL PCB. 2. CHECK C2P05 100 UFD 16 V OFF PIN 3 OF IC2P01 (9-VOLT REGULATOR) ON THE SIGNAL PCB
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