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Repair tips

Electronic appliance repair tips database - TV (LCD,TFT,Plasma,Digital), Monitor, VCR, DVD recorder and player, Digital camera, Audio equipment, Microwave ovens, Phone systems, Computer repair

MakeModelProblemSolutionDate
Found: 21
Beko16628NSDeadR105 33k 2w o/c14-09-04
DaewooDMQ2166HOW TO ENTER IN SERVICE MODE FOR TV Daewoo DMQ 2166?you need a spesific remote from deawoo28-06-05

HitachiC2166TNDead with dim st/by lightDry joints IC90214-09-04
HitachiC2166TNInt tripIC952 5v reg faulty14-09-04
HitachiC2166TNInt tripsRemove glue from IC950 & surroundings14-09-04
HitachiC2166TNSound absentIC002 Hitachi Part No. E730045 14-09-04
HitachiC2166TNSt/by only aft initial EHT rushDry joints IC951/214-09-04
HitachiC2166TNSt/by only aft poor start upDry joints IC952 (under plastic rail)14-09-04
HitachiC2166TNTrips off soon after sw onDry joints R719 in trip network, also checks for drys on regs14-09-04
HitachiTN2166/2146POWER SUPPLY TRIPSSUSPECT DRY JOINTS ON IC95214-09-04
HitachiTN2166/2146St/by only - HT=90vDry joint IC952 5v reg14-09-04
ITT1660No colour.C721 ( 100u f ) o/c.14-09-04
Matsui1460 1660 2060NO LUMINANCEQ201 KTA562 OC14-09-04
Matsui1660No luminance.Q201 ( KTA562 ) &/or TA7698.14-09-04
Matsui1660 2060INT AUDIOREMOVE JA03 ON AUDIO PCB14-09-04
Philips21PT166BDead - F1571 630mA fuse o/cDue to s/c on 8v line - IC7015 TDA8361E but when replaced Loptx arcing which was orig cause14-09-04
Philips21PT166Boff chopper FET s/cdead when replaced - MC4403P control chip14-09-04
PhilipsAA5 21PT166BDead with F1571 630mA Wickman fuse blownWhen replaced EHT & most volts correct tho no pic & A1 volts incorrect - LOPTx14-09-04
PhilipsAA5 21PT166BDead with HT LOPTx priProt 1571 o/c in series with 11v supply to 8v reg IC7567 which had s/c o/p.This feeds pin 10 multifunction chip IC7015 via L5565 which was s/c to chassis. Usually caused by breakdown in LOPTx14-09-04
PhilipsAnubis A-AC 17PT166ADead - in shutdown modes/c across LOPTr coll & emitt - not LOPTx this time but C2450 330nF 250v scan coupling cap s/c14-09-04
PhilipsL7.2E 21PT1663Reverts to st/by aft brief period (no pic)Prot mode operating - FOP chip IC7401 was s/c & R3449 1R ?w, R3451 2R2 1/3w o/c. Fit BZX79C51 zener across pins 4 & 5 of FOP chip (anode pin 4) to prevent chip damage14-09-04
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