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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: 28
AmstradCTV3208NDead - blows LOPTr BUH515D at sw onC596 dry joint - hidden under white tape14-09-04
Bush2085NTXField & line collapsedry joints scan coils plug (line) & IC401 fop chip TDA817014-09-04
DaewooDVT2082PInt deadDry joint C817 100µ - remove plastic strut to see14-09-04
DaewooDVT2082PRed missingQ552 2SA1266 on crt base14-09-04
GrundigCUC2080No powerIRFPC50 s/c and 270K (connected to pin 2 of TDA5605-314-09-04
GrundigCUC2080turns on but goes to SB after a secondTDA8350Q + R54012 1Ohm +R50011 33ohm.14-09-04
HitachiC2086Goes into prot modeSyscon chip pin 36 leaky - replaced Z9023414-09-04
HitachiC2086Service Modepress and hold down the TV/VIDEO key and then press power switch14-09-04
HitachiCPT2080Field collapse - intFOP Tr Q651 2SD401A - also check its partner Q651 2SD401A14-09-04
HitachiCPT2082Int buzz on soundBad connection on plug PL401 in audio sect14-09-04

HitachiCPT2088Long time to come on, no front display, poor tuning with grainy pic, lack of heightCheck electrolytics in HT, 14v, 12v & 25v line14-09-04
Matsui2074 2086LINE OUTPUT TRAN OR ZD401 SCFIT HIGH TEMP C911 47uF14-09-04
Matsui2074/2086Dead - LOPTr or ZD401 12v stab failedC911 47µ 50v in psu14-09-04
Matsui2080Dead aft 10 minsSTR50103A chip14-09-04
Matsui2080Int blank raster, rolling, high vol, Txt info over pic at sw onC426 1µ 160v line driver supply smoother14-09-04
Matsui2080Snowy screen, no sound or LEDs litNo volts to front panel due to o/c pri st/by tfmr14-09-04
Matsui2085DeadCheck mains smoothing cap 150µ 350v, 1.6A fuse, 120/150k resistors & 100µ 25v cap in psu 14-09-04
Matsui2085Dead - fuse blown.Chopper trans , 120 , 150k , 100uf 25v in charging cct , smoothing cap.14-09-04
Matsui2086Field collapseZD401 12v zener; R419 5R6 3w safety res; IC401 LA783014-09-04
Matsui2086High HTC917 47µ 50v14-09-04
Matsui2086Lack of contrastR316 100k in beam lim (between fop chip & relay)14-09-04
Matsui2086St/by onlyD406 BYT52J s/c, R421 0R5 o/c, ZD401 12v zener s/c caused by high HT - 47µ in psu had dried up14-09-04
PhilipsD16-111 33DC2080/25RDead with R3498 1k5 1/2w overheatingLOPTx faulty & replace resistor14-09-04
SaishoCM2080TDead - HT only 33vLOPTr Q402 2SD1555 leaky & replace STR50103A & R502/3 330k14-09-04
SaishoCM2080TField - only half a picC421 in volts boost cct14-09-04
SaishoCM2080TInt field roll, full vol, into Txt etc at sw onC462 1µ 160v14-09-04
SaishoCT208TTTxt operates even when not asked toIC903 SAA5040B14-09-04
TriumphCTV8208Frame jitter.R427 ( 220k ) replace with 180k14-09-04
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