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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: 9
AlbaCTV711Dead - 1.6A fuse blownR801 2R7 4w o/c, BU508A chopper tr Q800 s/c, R809 270k hi res - also check bridge rect diodes14-09-04
AlbaCTV711Dead - chopper tr BU508A s/cR801 2R7 o/c mains rect s/c, caused by R809 270k14-09-04

AlbaCTV711DEAD FUSE BLOWN R801 2R7 4w OC BU508A SC BRIDGECHECK R809 270k14-09-04
AlbaCTV711Dead.BU508A , diode in bridge rectifiercct , R801 ( 2.7ohm ) o/c , R809 ( 270k ) o/c.14-09-04
Alien3711 PT92Sound system changing - enter service modePress Text sub page key on r/c whilst holding Vol down button on TV. Using Prg + & - key to navigate thru settings to Option Byte 1. Sound systems appear - at right of each is 0 or 1, press Vol- & + keys to alter settings for PAL I to 1. Press TV on R/C to exit & store. Press & HOLD menu on r/c till the OVERVIEW menu appears, press menu once more until INSTALLATION menu appears. Navigate to sound setting & use Vol - & + keys to alter to PAL-I for UK sound STORE by using Vol + 14-09-04
FisherFTX7111TXDead.DU20 ( BY299 ) s/c , RU44 ( 0.1R , 1/4w ) o/c.14-09-04
MitsubishiWS55711The WS 55711 will not turn on. The LED on the front will flash when the TV is reset. All the standby voltages are present. It appears the something is telling the processor on the singal board not to turn on the TV.First check the vertical output IC for poor solder connections and check for leaky capacitors ( look for oily film or dark stuff under and around capacitors, when heated with soldering iron will smell like fish ) I have found many leaky caps on these sets causing shut down problems.03-10-05
Nokia3711VCTDead - psu low outputsLOPTr leaky (tested ok), when replaced HT 200v, R555 47k o/c, FOP chip LA7837 & opto coupler - can use CNX62 in place of PC113 14-09-04
SanyoCT7118East west.D601/2 , R626 , Q752 , R764.14-09-04
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