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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

MakeModelProblemSolutionAddedDate
 
Found: 917
SonyKV2022UBRight hand side of picture blank for 5 mins.C621 ( 33u f , 160v ) on power supply.plamensl14-09-2004
SonyKV2032Won't start, dead.Check/replace R627 2,2M resistor in the power supply.plamensl14-09-2004
SonyKV2032MENo horizontal synchronisation when cold.Replace capacitor C509 10uF near horizontal driver transformer.plamensl14-09-2004
SonyKV2032MEPic only 3" wide on lh screen- increases as it warms upC514 = 33uF / 160V ; C801 = 22uF / 250V ; C557 = 2,2uF / 160V . plamensl14-09-2004
SonyKV2060/62 Mk1&2blank raster and no sound although it appeared to lock sync blank stable pic )1/ D 102 in the mute cct ( MK1 versions only ) 2/ D 306 in pulse shaping cct ( Both Versions )plamensl14-09-2004
SonyKV2075POOR CONVERGENCEL551plamensl14-09-2004
SonyKV2096Text shows blank screen onlyRV3 Txt preset contrast pot 100R o/cplamensl14-09-2004
SonyKV2096/92Int swaps between Tuner/AVFracture in earths on sigs board by screen can clipsplamensl14-09-2004
SonyKV211XMTUInt goes bright greenQ311 buffer display tr on video panel - 2SC2785 used as official replacementplamensl14-09-2004
SonyKV2153MDead with LOPTr s/c & sec prot diodeAlso replaced opto, res & caps in psu - after which inability to tune manually. Use the auto tune facilityplamensl14-09-2004
SonyKV2170Dead - PS603 o/cReplace the 1.0A IC Link [ICP-N25] PS603 (1-532-637-11) by the 2.5A IC Link [ICP-N75] (1-532-686-21). Add the MTZJ-T-77-5.6B Diode D613 (8-719-923-38) between pins 1 (cathode) and 9 of IC603. Add the MTZJ-T-77-5.6B Diode D614 (8-719-923-38) between pin 9 (cathode) of IC603 & ground.plamensl14-09-2004
SonyKV2184Chans won't lock when tuning & garbled OSDLA78LR05 5 legged 5v reg with µ reset built in faultyplamensl14-09-2004
SonyKV2184Dead - STR50115 overheatingReplaced chip (s/c pins 2 & 3) but still dead; D608 R2M diode s/c & PS801 800mA cct prot o/c plamensl14-09-2004
SonyKV2184Switches off on bright scenesR621 1R in psu slightly hi (1R4)plamensl14-09-2004
SonyKV2184-34Won't start, pin 41 (stby) of microcontroller is high.Replace Q003. No leak or any other defect was detected with a VOM.plamensl14-09-2004
SonyKV2184-34Won't start. Nothing heard upon switch-on.Diode D604 short circuitedplamensl14-09-2004
SonyKV2184-34Won't start/ loud audible buzz.Sometimes starts and switches off after a while.If stby pin(41) of Mp desoldered,all okReplace Str50115.plamensl14-09-2004
SonyKV21LS30Dead - LED flashes 11 timesR648 (330K) O/C in power supply.plamensl14-09-2004
SonyKV21LS30UBright raster with fb linesAdj A1 or focus resets pic - until next time - new LOPTx reqd 1-453-345-11plamensl14-09-2004
SonyKV21T1UNo Txt, excess width/height, poor contrastReset eeprom - press on the remote on screen display key No 5 vol up key tv set will come on with TT on screen press menu plamensl14-09-2004
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