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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: 1048
AkaiComp D2DeadD/J on on off switch or On off switch burnt14-09-04
AkaiCT2107MS (Onwa)Int off with blob in centre of screenCheck for hairline cracks around chopper tfmr pins14-09-04

AkaiCT2159 OnwaField faulty - int lines at top etcC417 220mfd 16v, C423 2200mfd 25v, C435 470mfd 16v14-09-04
AkaiCT2159UT OnwaNo start upC910 & C912 47µ14-09-04
AkaiTV3451 Stereo+2DeadVO1014-09-04
AkaiVariousTo enter service modePress Mute, OK, TV in sequence14-09-04
AlbaCTV4855 (Onwa)Low soundC202 220µ decoupling cap AND R421 0R68 in line stage hi res (1R5)14-09-04
AlbaCTV4855 OnwaNo sound/pic - blank raster5v line low at 3.6v - Q619 o/c14-09-04
AlbaCTV840 OnwaBlack vert bars with background picC420 22µ 160v o/c14-09-04
AlbaCTV840 OnwaNo tuning although the set displayed tuning driveR125 ( 47R ) was opencircuit because C127 ( 470uF 16V ) was short circuit .These components form a filter in the 9.25V supply14-09-04
AlbaCTV841 OnwaSt/by only - relay chatters when sw held inD40114-09-04
AlbaCTV841 OnwaNo pic - appears bright when A1 advancedR430 180k in beam lim o/c14-09-04
AlbaOnwa CTV701No sound/pic just pattern on screenVideo reaching Txt pcb but not leaving it. 5v supply missing - check HT smoothing cap 100µ 160v14-09-04
AlbaSsangyong ETC. CDEAD ZD401 12v ZENER SC R414 12R 2W OC LOP TR SCCHECK HT SHOULD BE 114v CHECK ALL POWER SUPPLY CAPACITORS , ZENERS AND SOLDERING14-09-04
AlbaVTV19 CombiNo pic - sound okC480 10µ near line dr tr14-09-04
AmstradCTV1410 OnwaDead with HT low at 50v (112v)No st/by relay, R632 33k pin 36 IC603 o/c14-09-04
AmstradCTV1410 OnwaSw itself back on when in st/by - intFlexing panel brought fault on - R920 & R302 were physically touching bypassing relay14-09-04
AmstradCTV1410OnwaField cramp atbottomR408 18k o/c14-09-04
B & OBeovision 8802 Type 7001Blank raster, no sound, OSD OKR1 1,5Ohm o/c, TR1-TR2 BC 338-25 o/c, D1 13V Zener s/c 14-09-04
B & OVariousDead - Tr1 in PSU s/cCheck C12 for dry joint in snubber of psu14-09-04
BekoVariousField collapseCheck R717 & R722 for o/c14-09-04
BekoVariousField top foldover220R res over scan coils o/c14-09-04

BlaupunktMILANO IL32 FMDEAD RELAY CLICKSRELAY OC ON ONE POLE14-09-04
BPLVariousField top foldover220R res over scan coils o/c14-09-04
Bush1407 (Onwa)bad audio distortion which at first sounded like a faulty spkr.Despite replacing this, the audio o/p ic IC201 KA2201 (TBA820M) and variouscaps around it the fault remained. adding a 0.1mfd cap from the o/p of the ic (pin 5) to chassis, this completely cured the fault14-09-04
Bush1452 OnwaBlank white raster with flyback lines.L501 o/c.14-09-04
Bush1452 OnwaBlowing 2SD1554 - HT line varies.C911 ( 47u f 25v ) leaky.14-09-04
Bush1452 OnwaDead.C909 ( 47u f 50v ) s/c.14-09-04
Bush1452 OnwaGoing into standby.Q404 ( 2SD1554 ) s/c.14-09-04
Bush1452 OnwaHeight decreases as set warms up.C911 ( 47u f 50v )14-09-04
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