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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: 12
B & OLS5000St/by only with LED dimming when chan butt pressedCheck connections in metal can under crt neck, esp wickman F1& micro, xtal etc - see Sept 91 TV Mag for article14-09-04
B & OLS5000Txt fault - blue blocks darken on lh sideC56 4µ7 25v & check for drys around IC2 on txt pcb14-09-04

MitsubishiEE4 (M5 models)To enter service modePress & release S701 next to aerial socket, then press "9" on hset within 5 secs. Buttons 2 & 8 select adj code, buttons 4 & 6 adj data value. Button 1 cancels written data, button 0 stores data into EEPROM see article TV Jan 99 for more details14-09-04
Schneider26" (It can also be found as Koerting model 26)Starts but it is not possible to change programs or to search for channels.Change Control chip SDA2030-A00214-09-04
Schneider26" (It can also be found as Koerting model 26)Won't start, PS protection active.Desolder Vertical IC, if it starts, change it.14-09-04
SonyAE6B KV32LS60UDead with 2 or 5 flashes of LEDreplace R6018 470K 1/2W ( IN THE OVER CURRENT TRIP STAGE ON THE PSU.) 14-09-04
Sonykv-21ls30ured light flashes 5 times pauses flashes 5 pauses also picture discolouration set switches itself off after several hours,5 flashes on that model of sony is an auto grey scale failure wich would also explain the discoloured picture. check a1 setting, also c513 is known to expand and vent, if it has replace it and add a 10nf 250v cap in parallel with c710.13-01-06
SonyKV21LS30Dead - LED flashes 11 timesR648 (330K) O/C in power supply.14-09-04
SonyKV21LS30UBright raster with fb linesAdj A1 or focus resets pic - until next time - new LOPTx reqd 1-453-345-1114-09-04
SonyKV24LS35UDead - flashes 11 timesIC604 8volts reg. Part no 875966887.14-09-04
SonyKV28LS35UReverts to st/by aft initial rush of EHT, LED blinks twiceOver-current error caused by R618 270k in current sensing hi res14-09-04
SonyKV29LS30Dead - LED flashes 11 timesLOPTr BU2515DX s/c - dry joints line dr trfmr14-09-04
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