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TV Repair: Common Faults and Solutions.


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Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
PHILCO PMS25N3
Does all the functions but doesn't turn on the traffic relayTransistor q2 smd with the code y11 on top of it I put bc847 in its place and it worked fineReplace it and that's itorlando lott
LG21FU6TL
It just doesn't arm, just standbyIc802Just replace itGarcia
SEMPTV2134(C)SL
Keeps turning on and off quicklyQ606 o br 8050cReplace of the sameAssisTec
LG50PB560R
No image only audioC 483 smd com ysus plate leakObs I put it with common ceramic 4.7k x 2kv it was fine....... good luck!!!!Jhone eletroonica
PHILIPS42PFL3007
Nothing turns on, dead power supply on secondaryCi of the power supply a6069 shorted usually shorts from pin 1 to 3Replace of ci stra6069 or a6069Toledo
PHILIPS42PFL3007
Nothing turns on, dead power supply on secondaryCi of the power supply a6069 shorted usually shorts from pin 1 to 3Replace of ci stra6069 or a6069Toledo
LG32LN540B
It just keeps restarting, showing the lg logo indefinitely. Sometimes it works normally.Cable connections that interconnect the power supply and main PCSDisconnect the cable at both ends and, using a sharp object, press those little windows corresponding to each of the pins. It looks great, you don't need to replace any components.Honorato
SAMSUNGCL21K40MQGXXAZ
Vertical closing at the top and doubling the image, tsound is no power supply on pin 6 of the vertical ciD303 1n4007ReplaceMauro Mascarenha Tel. 88 981422821 Parazinho - Ceara
SAMSUNGCL21Z58MQ
Vertical closing at the top and doubling the image, tsound is no power supply on pin 6 of the vertical ciD303 1n4007ReplaceEletrônica Mauro Mascarenha tel. 88 981422821 Parazinho - Ceara
SAMSUNGCL21A551
Vertical closing at the top and doubling the image, tsound is no power supply on pin 6 of the vestical ciD303 1n4007ReplaceMauro Mascarenha Tel.(88) 981422821 Parazinho - Ceara
PANASONICTC-L42E6B
Give up the sheepShorted capacitor close to the cable that comes from the power supply (one of the four that are together) you have to test one by one to know which one is defective.Bruno Nicácio
SAMSUNGUN32FH4205
Totally inoperative. without any reaction.Power supply board diode- dm807c- (lt3137) in total short.Carlos Maia
LG21FJ6RB
The TV was turning on normally, but with a sawtoothed green screen, no image and no sound. screen and focus actingChecking the RGB, RGB resistors, 180 cap, normal voltage of 180, good power supply, nothing to replace on the tube board.By changing the tube, the problem was resolved.<small>This email address is being protected from spambots. You need JavaScript enabled to view it.</small>
SEMPTV2134
Turns on and off, increasing the screen, a line appears at the bottom of the screen, (vertical closed)Q 606 +5v regulator (s8050 transistor) with low value +3.2vReplace q 606CENTER SOM
LGRP29CC26
Closed horizontalC410 - 1uf 250vReplaceBeto Eletrônica
TOSHIBA TV2092 LAV
U16		Closing vertical intermittentC301 47µ/100v alterandoReplacehndrsn
LG42LD460
Red LED flashing slowly, +12v with 7.4v, does not turn onZener diode zd205 (18v), with a small leak, only detected at the 10k resistance level.Replaced the zener diode, and the TV was normalPATRIARCA
HBUSTERHBTV-32D02FD
Without 390v at the power supply. the primary power supply only has 170v.Check resistors r8 and r28 both 1mLuir Frank
CCEHPS-2971
So fica stand byTran 804No gun<small>This email address is being protected from spambots. You need JavaScript enabled to view it.</small>
BUSTERHBTV 32L05
TV turns on, lights up the panel and locks all functions, rewriting the eprom doesn't solve itCauses leakage in electrolytic capacitors on the main boardReplace all electrolytic capacitors on the main boardEletronica Jordão