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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: 86
AiwaVXT1000Dead TV sectIC4 STK7348, R103 1R5 3w, R104 27R 3W, R105 1k 1/2w. C90 1µ 50v was to blame14-09-04
AiwaVXT1000STK7348 chopper chip int failsC88 3300pF 1kv can be the cause even tho' it looks ok14-09-04

AiwaVXT1000 Mk2DeadHt ok at 120v - ICP1 o/c14-09-04
AiwaVXT1000 Mk2DeadSTK7348 s/c pins 3 & 7, also R103 1R5 3W o/c, R104 27R 3w, R105 1k 1/2w & C90 1µ 50v14-09-04
AiwaVXT1000 Mk2Dead - no line driveD7 9v1 zener & C105 330µ 16v both s/c14-09-04
AiwaVXT1000 Mk2Failure of IC STK7348 in tv psuReplace:R102. 33ohmlW Part No S5 34A 330 000 R104 27ohm 3W Part No Sl 330 703 000(6.25UKP) RlOl 33ohm7W Part No Sl 330 862 000(8.37UKP) Also please check and if necessary replace:R103(3.76UKP) R105 Replace as required. R109(4.00UKP) NOTE: Do not replace IC on its own.<<14-09-04
AiwaVXT1000Mk2DeadSTK7348 psu chip & C88 0.0033pf 2kv14-09-04
AiwaVXT1000Mk2Dead TV sect - vcr sect okC88 0.0033µ 1kv burnt; STK7348 psu chip s/c; R109 3R9 7w o/c14-09-04
AiwaVXT1000Mk2No pic sound okC88 3n3 1kv burnt14-09-04
AiwaVXT1000MkIISound no picture.Replace IC4(STK7348) and C88(3n3 1kv).14-09-04
AmstradCTV1000Blank white raster , sound control o/cQ7601 ( 25C1675 ) , C7901 ( 240pf ) S/C tune/f14-09-04
AmstradCTV1000Line collapseDry joints line lin coil L770214-09-04
AmstradCTV1000Line hold drifts int.Dry on line hold control14-09-04
AmstradCTV1000Raster - blank - sound Ok.Q7601 ( 2SC1675 ) C7901 ( 240PF ) S/C14-09-04
Bush2160NTX G1000Bright raster with soundNo HT to RGBs - R315 10R pin 9 LOPTx o/c14-09-04
Finlux1000Blue picture.R647 ( 1k8 ) high.14-09-04
Finlux1000Channel - random channel display.LOPTX14-09-04
Finlux1000Comes on with red/green/blue raster in turnCb38 10µ 63v14-09-04
Finlux1000DeadDu20 BY299 in 17.5v supply dry joints14-09-04
Finlux1000DeadDry joints PTCu2 or Ru3/4/6/7 o/c14-09-04
Finlux1000DeadRU42 & 43 15R burning - LOPTx faulty14-09-04
Finlux1000Dead - blowing 1.25A fuse - intermittently.Check for dry joint on LU3.14-09-04

Finlux1000Dead - blown 1.25A fuseCheck for dry joints at Lu314-09-04
Finlux1000Dead with Ru14 10k burning upChopper tfmr (same type as 3000)14-09-04
Finlux1000Dead.Du20 ( BY299 ) s/c , 138v ht rectifierDu1614-09-04
Finlux1000Going off just after switching on.LOPTX14-09-04
Finlux1000INT COLOUR , SEEMS LIKE DRY JOINTSCt12 REF OSC TRIMMER NOISY . LINK PINS 25 , 26 AND 1 , 5 TO SETUP14-09-04
Finlux1000int st/bylopt has hole in it14-09-04
Finlux1000Int various inc red/green/off/false line lock/line tearing12v supply low due to Ta8 BD241 - also check Da114-09-04
Finlux1000No picture or sound - EHT ok.Ri20 ( 100R ) o/c.14-09-04
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