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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: 39
AkaiTV3451 Stereo+2DeadVO1014-09-04
FergusonRP46 rear projNo convergenceRP09 100k or RP18 220k o/c in conv psu near blue tube14-09-04
FinlandiaC/D66KZ6/F Eurostereo CHA2stuck in st/by, if you try to switch it on, chan 1 appears in display for 5 secs then reverts back to st/by with green led flashing on front.line driver transistor faulty 14-09-04
HitachiC2133TN StereoDEAD , JUST SBY LIGHTNO 12v TO TEA2164 IC - VEO7 ( BC858 ) S/C. FRONT PANEL14-09-04
HitachiCS1415REDead - PSKE130 prot diode s/c due to excessive HTWon't run on dummy load - has 220v HT off load; Q 951 BF422 Leaky Base Em.14-09-04
ITTC5122 Core 110Flashing pic & no tuning on highest chans33v Tuning reg14-09-04
ITTCoreLOP tr int blowsCaused by arcing from scan coil plug14-09-04
ITTCore 110degDead - st/by LED gives 1 quick flash at sw onLOPTx - code TFHR6175 CPC14-09-04
ITTCore 110degInt off - HT 145v (95v) 24v=14v; 16v okC723 2n2 4kv was not soldered in properly14-09-04
ITTCore 110degNo front panel controls - R/C okT1454 BC328 leaky14-09-04

ITTCore 110degPic pulling esp at topC527 100µ 35v, C522 100µ 25v14-09-04
ITTCore 2 110degSmall pic with ballooningR536 33k in anti breathing cct o/c14-09-04
ITTCore 2 90degWont turn on from st/by - ok from switchD702 11v zener leaky in st/by supply14-09-04
ITTCP3128 CORE 2SET GOES INTO STBY BUT WON'T COME OUTCHECK D702 11v ZENER , R655 2k7 , R701 THERMISTOR14-09-04
ITTEuro Stereo2S2000AF line o/p tr int goes s/c; line dr tr goes o/cline driver tfmr14-09-04
ITTFX6320 CORE 2DeadD502 ( BY448 ) by LOPT14-09-04
NEI14FREBlank raster when A1 advancedPin 8 TDA3650 sancastle pulse missing - ok at pin 17 TDA2579 timebase chip; link on top of Txt pcb dry joint14-09-04
Nokia4030 Core 90St/by onlyC701 10 uf/250V. in PSU and C734 10uF/350V in secondary14-09-04
Nokia5156 Stereo PlusNo sound or just faint noiseDis pins 7 & 9 at Nicam module. If sound returns VA60 BC857 & VA61 BC847 are sus (mute trs )14-09-04
Nokia6320 UK Core 1INT NO PIC OR FRONT DISPLAYCHANGE 10mfd 160v14-09-04
Nokia6365UK Stereo PlusField - top foldoverTDA83550Q FOP chip14-09-04
Nokia6630 Core 2Blank raster with fback linesPin 2 LOPTx dry joint14-09-04
NokiaEuro StereoDead - EHT presentI2C bus failure - check 5v supply & SCL, SDA lines. If low remove NICAM pcb. If then works sus MSP2400 chip14-09-04
NokiaEuro Stereo 2Dead - 2 dashes in led display onlyT507, BC337 leaky, off of pin 6 of the HOR.PULSE TRANSFORMER14-09-04
NokiaEurostereoRagged verts & screaming chopper tfmrC787 10µ 50v14-09-04
NokiaEuroStereo2Int reverts to st/by / width / line freq / lop tr failureLine dr tr T507 BC337-25 faulty (may check ok) & replace C507 220µ decoupler for line dr tfmr14-09-04
NokiaStereo plusInt line tearing/jumpingPic moves to right as set warms up ; VK16 BC858 sm was int14-09-04
NokiaStereo plusReverts to st/by aft few minsV071 BC858B sm in psu control14-09-04
NokiaStereo Plus2" band of line at centre of screenTDA8350Q field/EW chip NS1014-09-04
NokiaStereo PlusField top foldoverRK68 10R 42v supply to pin 8 of FOP chip hi res14-09-04
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