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TV Repair Tips

APEX

Size Model Chassis Symptom Problem Description Fix
20AT2008 PowerDeadreplace rectifier in secondary of SMPS
20AT2008 VideoWhite screen with retrace linesResolder G1 on flyback transformer
21AT2002 AudioNo SoundRF565 (10ohm/2W)
21AT2008 Videono pic, sound OKC561 (220uF/160V)
51GB5108 Vertical vertical problem, replacing vert IC did not helpResolder LB01
51GB51HD09 VideoGreen missing in VideoRG17 (on green CRT board), also check RB17 and RR17
52GB51HD09 VideoNo blue colorRB17 (on blue CRT board, 330ohm, .25W)
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Warning

: Don't kill yourself.  If you do, don't blame us...  We totally warned you.  These tips are intended for qualified service technicians that know what they're doing.  Unqualified persons should never service their own equipment.  Televisions contain very high voltage that could kill you.