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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: 129
AkaiCT2107MS (Onwa)Int off with blob in centre of screenCheck for hairline cracks around chopper tfmr pins14-09-04
AmstradCTV2210deadQ501 chopper tr s/c, C853 1µ 160v blown up, No line osc - LA7800 chip faulty14-09-04

AmstradCTV2210Dead - blown fuse.R814 ( 27ohm ) line o/p & chopper transistor , C845 ( 4.7uf )14-09-04
AmstradCTV2210dead - whistles at sw on then tripsHT low at 100v then trips - ok on dummy load, D806 on lopt sec s/c used RGP10M14-09-04
AmstradCTV2210Dead.R814 ( 27ohm , 20w ) , fuse , chopper tran , C845 4.7uf14-09-04
AmstradCTV2210Dead.R501 ( 5.6ohm 5W ) o/c.14-09-04
AmstradCTV2210Dist soundR313 Q301 feed res o/c14-09-04
AmstradCTV2210Low & distorted sound.R313 ( 100ohm ) o/c.14-09-04
AmstradCTV2210Set Stuck in StBy will start but goes into StByCheck ZD403 in field stage R435 ( 5.6ohm ) C409 & C41014-09-04
AmstradCTV2210Tripping.C845 ( 4.7u f , 250v ) s/c.14-09-04
AmstradSTV2100NCuts out to snow. No Nicam LEDs, goes to st/by when heatedTest point between NICAM pcb & tuner screening can shorting together14-09-04
AmstradSTV2100NRed tint variesBlack conductive gunge near dec chip - scrape away all gunge14-09-04
BeonCTV2101RStandby only.R108 ( 270k ) o/c.14-09-04
BeonCTV210RDEAD , STBY LED COMES ON & GOES OFF BUT NO LIFE .R107 , 108 270k OC . CHECK R105 , 106 150k ALSO .14-09-04
BushITV2100Sound int goes with crackle aft 1/2 hrAlthough freezing O/P IC TDA7263 temporary cure - 18Mhz Xtal was faulty14-09-04
BushITV2101R/C not workingNeeds initiallising - Hold left, down, right & 1 buttons together14-09-04
GoodmansC210Dead with chopper tr s/cReplace QS01, 2SD2498 (used BU2520AF); QS04 2SC945(used BC546); QP05, 2SA1012Y; RS03 2.2ohm 1 watt fusible; DS08 8.2 volt zener. ICV01, TDA3653B. Also replaced various caps, especially the 100uF 50 volt in the field supply after it blew up.Replaced chopper Tr & 2R2; QS04 o/c DS08 s/c & FOP chip14-09-04
GoodmansC210Field collapse & sounds like line freq off470µ cap connected to DP18 F08AGO14-09-04
GoodmansC210St/by onlyRP07 330R sm - also check/replace RP1014-09-04
GoodmansCompact 210Dead - no o/p from PSUDS07 9v zener & DS08 8V2 zener & SMPS Tx Pt no ACTI39400067& 14-09-04
GoodmansCompact 210No front control - R/C OKICR1 Micro faulty - if old type M34300-012SP then ICR2 must be fitted14-09-04
GoodmansCompact 210PSU blow upCaused by yellow sealant becoming conductive on print side of PSU14-09-04

GoodmansCompact 210St/by onlyCS12 3300µ 35v14-09-04
GoodmansCompact 210Tuning driftLow volts on DI02 33v reg due to low HT - Cp28 470mfd 16v o/c14-09-04
Grundig6210GBInt no colour.C861 , C863 leaky.14-09-04
GrundigG1000 GT2103Bright raster with fb linesR315 10R near LOPTx o/c - supplies volts to RGB14-09-04
GrundigGT2103Hum barmains smoother 47µ 385v o/c14-09-04
GrundigGT2105Bright white rasterR315 10R on crt base o/c14-09-04
GrundigGT2105Dead - HT pulsatingTr302 LOPTr s/c14-09-04
GrundigGT2105Dead - no line driveR315 o/c14-09-04
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