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TV Repair Tips


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Size Model Chassis Symptom Problem Description Fix
5050PP920217DPTV305VideoPicture gets darker as it warms up, and eventually flickers on and offIC7212 (T1431/AN1431, 3 pin regulator on standby supply module), optoisolator 7213 (NTE3041)
5555PP9352/17DPTV310Videopic gets darker from left side as warms up, then on and offHDR module
607P6030-W101  Power Clicks On then Off HOT (2sd2539)
 PTV835 Videocannot adjust convergenceC2055, IC1007 (1A/250V)
 PTV835 Videocannot adjust convergenceC2052 (.1uF mylar), F1007 (1A/250V)
  L04.1UVideoVideo shifted to RightC2486 (27pF/500V ceramic)
 zz27H8VideoNo VerticalC2524 (100nF/50V)
 zzL03.1UVideoNo vertical on the top half of the screenC2428 (47uF/16V), C2446 (470uF/35V), C2455 (10uF/16V), C2465 (10uF/160V)
 zzL03.1UVideovertical RGB lines, then turns offD6460 (near C2463) C2465 (10uF/160V)
 zzL03.1UVideovertical foldover, then shuts downD561 (#8-719-075-33)
 zzL03.1UVideoRGB vertical lines, foldover then powers downC2460 (.082/250V)
 zzL03.1UVideoVertical height varies and is distortedC2464 (surface mount)
 zzL03.1UVideoIntermittend vertical distortionC2464 (470pF/50V ceramic)
 zzL03.1UVideoVertical foldover at the top of screenC2460 (0.1uF/250V)
 zzL03.1UVideoVertical shrunk down from topC2465 (10uF/160V)
 zzM8Powerturns on, then right back offIC7901 (AN7522)
 zzM8PowerStarts for 1 second, then shuts downFlyback (312813821421), C2455 (47uF/25V)
 zzP1PowerPower Supply drifts from 130VR428, IC400, Z430
 zzP1PowerSet won't power offIC402 (optoisolator, ECG3041)
 zzP1PowerStartup not workingQ420 (#6105590K01), R427, R428, C430, R429, IC400, IC401, IC402
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: 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.