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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: 15
MitsubishiEE3WService mode accessPress MENU, 2, 3, 5, 7 to access service mode, then press * (star key). Use 2 & 8 to navigate up and down the options, 4 & 6 to alter values. Press 0 (zero) to memorise new value & the info turns red to denote "saved". Finally go to standby to exit menu.14-09-04
PanasonicEURO3W TXW28R3DPint. goes to stbyresolder line driver Tx T50214-09-04

PanasonicEURO3W TXW28R3DPLOPTr Q552 s/creplace Q552 BU2508AXRL and resolder line driver Tx T50214-09-04
PanasonicEURO3W TXW28R3DPno sound from internal or external speakers, Ok on headphonesno 12V on K board, DJ on IC7502 12V regulator14-09-04
PanasonicU3WChannels - difficulty selecting channels.IC TMS3452N2L.14-09-04
PanasonicU3WChannels - not storing channels.IC TMS3452N2L.14-09-04
PanasonicU3WDark pic with field foldoverQ552 12V reg o/c14-09-04
PanasonicU3WLack of width & brighter on right hand side.EW modulator diodes D552 ( TVSC2715M ) , D553 ( TVSC2406M )14-09-04
PanasonicU3WLine tearing.C853 ( 100u f ) , C854 ( 47u f )14-09-04
PanasonicU3WNo sigs or chan display from coldTMS3453N2L memory chip (?31 from WVE)14-09-04
PanasonicU3WVerticals corrugated - noise at switch on.C809 ( 1u f 350v )14-09-04
SamsungCB6833WDead PSUC808 100µ 25v14-09-04
SamsungCI5913WExcess width & no E-W corrC416 2µ2 250v in anti breathing cct14-09-04
SamsungCI5913WNo pic - sound okWhen A1 advanced dim, wide pic seen. HT correct but had noise superimposed on it. C41 4µ7 400v u/s14-09-04
Sanyo28WP3 WB2APic comes on briefly with no sound then reverts to st/byReverting to prot mode - could be many things but check sound prot first. Isolate IC051 by lifting D682 pic appeared ok. Change IC051 & check audio sect psu - D1633, Q1633 & R1639 were also damaged14-09-04
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