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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: 210
AiwaVXT1400KERRed weak in picReplace C905, 7 & 9 1µ 50v in RGB drives14-09-04
AkuraCX1400deadht to lop tr ok; ht low on line dr tr coll. Perm 5v on driver tr base due to non osc of x701 at pin 25 IC703 on dig pcb. Dry joint between xtal & chip14-09-04

AkuraCX1400int functs - off, frame coll, st/by, blank rasterremove dig pcb and blanket resolder14-09-04
AkuraCX1400TDead.Q801 ( BUT11AF )14-09-04
AkuraCX1400TFrame collapse.IC301 ( TDA8172 ) , C302 ( 1000uf35v ) , C306 ( 2200uf25v )14-09-04
AkuraCX1400TInt sound.IC601 ( TDA1013B ) , C607 ( 220uf35v ) or C603 ( 1000uf25v )14-09-04
AkuraCX1400TLong time to come on/rolling/random txt7v rail low at 5.5v - C841 470µ 16v14-09-04
AkuraCX1400TTakes a long time to come on. When it did come onC841 ( 470uF , 16V ) fit a 25V , 105R C type.14-09-04
AkuraCX1400TTripping.Q401 ( 2SD1555 ) , LOPT14-09-04
AlbaCTV3400Field foldover at top when cold - HT low at 96v (115v)Q506 o/c14-09-04
AmstradCTV1400Buzzing - intermittent.Adjustable capacitor on sound IF subpanel.14-09-04
AmstradCTV1400Col flickers/fback linesF o/p tr Q702 coll only 32v (62v) - C739 100µ o/c14-09-04
AmstradCTV1400DeadFusible R529 0R68 1w Pt no 24274114-09-04
AmstradCTV1400Dead - intCrack in print between pin 6 LOPTX and R74914-09-04
AmstradCTV1400Dead - int dead.Drys around STK.14-09-04
AmstradCTV1400Dead - int.Line transistor Q705 collector connection o/c.14-09-04
AmstradCTV1400dead except for slight buzzHT ok but not reaching lop tr - break in print between lopt pin 11 & lop tr14-09-04
AmstradCTV1400Dead lop tr s/cDry joints line dr tfmr T70114-09-04
AmstradCTV1400Dead with whine from psudry joints line dr tfmr14-09-04
AmstradCTV1400Flyback lines & colour flickeringC739 ( 100u f ) o/c14-09-04
AmstradCTV1400Flyback/Txt lines at top of screenC739 100µ 50v hi esr14-09-04
AmstradCTV1400int deaddry joints lop tr (look ok by sight)14-09-04

AmstradCTV1400Int DeadIC502 STR451 gets hot - T501 chopper tfmr faulty14-09-04
AmstradCTV1400Int line sync on chan changeD715 & D704 faulty14-09-04
AmstradCTV1400Int pic - once a week touchInt A1 due to LOPTx faulty14-09-04
AmstradCTV1400Int sound level & buzzAdj cap on sound if sub panel14-09-04
AmstradCTV1400Loses Line Sync during Channel ChangeD715 & D70414-09-04
AmstradCTV1400No line sync during channel change.Replace zeners D715 & D704.14-09-04
AmstradCTV1400Sound going low - int.Adjustable capacitor on sound IF subpanel.14-09-04
AmstradCTV1400Weak contrastR410 120k at pin 2 lopt14-09-04
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