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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: 344
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

AiwaVXT1010KDead - goes into st/byR515 3M3 , C517 C526 470uF 10v , C524 47uF 63v14-09-04
AiwaVXT1010KInt sw onReplace STK73907, C514 0µ082 pulse cap, Q501 2SK212, Q510 2SC1815. Change R520 to 68k & C524 to 220µ14-09-04
AiwaVXT1010KNo cold start upC524 47µ 10v14-09-04
AiwaVXT1400KERRed weak in picReplace C905, 7 & 9 1µ 50v in RGB drives14-09-04
AiwaVXT1410St/by onlyDry joints power/stby key14-09-04
AiwaVXT1410KPoor start up from cold, patterningC522 2µ 50v, C523 100µ 50v14-09-04
AiwaVXT1420kDeadStart up Res R502 1M & R503 820k14-09-04
AiwaVXT1420KSt/by onlyLOPTr leaky14-09-04
AiwaVXT1450KField collapseFR812 3R9 1w fusible o/c - no other fault found14-09-04
AkaiCT1417DSt/by onlyC40614-09-04
AkaiCT1417UKField collapseC411 leaky14-09-04
AkaiCT1417UKFRAME COLLAPSEC411 LEAKY14-09-04
AlbaT14Dead - mains fuse o/cQ1 FET P5NA80F1 s/c due to R294 270k o/c (RS stock FET order code 313-2857))14-09-04
Bush1473T 11AK08Line tearingC818 (47MFD 160VW), +B line smoothing capacitor (high ESR).14-09-04
Bush1473T 11AK08Pic int smeary or dissappearsDry joint PL901 earth wire on crt base panel14-09-04
Bush1473T 11AK20Field collapseR709 sm 10k adjacent to FOP chip not properly soldered in14-09-04
Bush2028T 11AK10-15DeadReplace R809 (.47ohm) o/c-Q801(BUZ77B) s/c-R805 (330k) o/c - R821 (2.2ohm) surge limit o/c.14-09-04
BushRanger T16ADead - int.BU407 ( int ) , o/c C40.14-09-04
DaewooCP420 GB14F7T1Int reverts to st/byRLY2 relay was operating when fault occurred - IC I807 (TOP210-PF1) the standby switch mode IC in the power supply 14-09-04
DaewooDVT1482PDeadF4AH fuse o/c, chopper tr 2SD2499 s/c - used 2SD1555 in lieu, C811 100µ 16v hi esr, 220µ 25v hi esr14-09-04
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