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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: 1049
PanasonicAlpha 2POOR CONTRASTR562 ( 130K ) OPEN14-09-04
PanasonicAlpha 2POOR EWL752 SC14-09-04

PanasonicAlpha 2POOR TEXT PERFORMANCEC3507 100pf PIN 9 IC350114-09-04
PanasonicAlpha 2Q552 ( 2SD1441 ) s/cCheck for D/J on line drive TX T53114-09-04
PanasonicAlpha 2Red content smeary & critical to setPeaking coil in red o/p cct hi res14-09-04
PanasonicAlpha 2Red pic aft short while of operationC353 220pF on CRT base leaky14-09-04
PanasonicAlpha 2Reference oscillator bars across screen.C642 ( 10nF ) leaky.14-09-04
PanasonicAlpha 2Servicing the Alpha 2 ChassisSee TV Mag July 1997 & Dec 199814-09-04
PanasonicAlpha 2Set bursts into life then goes into StBy leaving 3L303 ( 10uH ) o/c in 12V circuit14-09-04
PanasonicAlpha 2Set dead no line driveCheck R851 ( 2R2 )14-09-04
PanasonicAlpha 2SEVERE FIELD DISTORTIONR469 470R14-09-04
PanasonicAlpha 2SHUTS DOWN WHEN WARMON3105 D811 OPTOCOUPLER ( LINK PINS 3 AND 4 TOGETHER TO PROVE )14-09-04
PanasonicAlpha 2Sound dist from 1 chanC2442/1 100pF leaky14-09-04
PanasonicAlpha 2STUCK IN SBY IN THE RESET LINE TO MICRO. REMOVE R8CHECK C1251 10nf14-09-04
PanasonicAlpha 2Teletext - white bars over teletextMod14-09-04
PanasonicAlpha 2Tuning erratic & chans disappearC15 2µ214-09-04
PanasonicAlpha 2Tuning goes off with tickingChopper chip STR5404114-09-04
PanasonicAlpha 2Tuning intR171 10k in tuning voltage line int14-09-04
PanasonicAlpha 2Txt drifts across pic/flashingC3511 220pf in 6Mhz phase cct leaky14-09-04
PanasonicAlpha 2Txt absentC3517 10nF pin 15 IC3501 leaky14-09-04
PanasonicAlpha 2Video disappears int sound OKlink pins 5 & 12 of IC2601 if pic returns IC u/s14-09-04
PanasonicAlpha 2Video int disappearsIC2601 M51326P AV sw chip - to check, remove chip & jumper I/P pin 5 & O/P pin1214-09-04

PanasonicAlpha 2Whistling intDry joints LOPTx overwind14-09-04
PanasonicAlpha 2 TX24T1Squeal from psu only with LED litCheck for 25v at D852 if missing then check for bad joints at chopper transformer14-09-04
PanasonicAlpha 2 TX28W2Dead - blows R555 HT supply fusibleQ366 2SC3311 s/c, Q352 2SC4714 s/c on the CRT and D551 s/c (used BYD33J) in +200V supply14-09-04
PanasonicAlpha 2 TX28W2Tries to start 3 times then deadLoptx - focus volts too high - replace14-09-04
PanasonicAlpha 2ANOISE ON NICAMC2572 - C2573 220pf14-09-04
PanasonicAlpha 2ASMEARY VIDEOCHECK C684 ON V MODULE 22mfd BI-POLAR - USE 2 IN SERIES.14-09-04
PanasonicAlpha 2M TX21MD3Dead, relay clicking for three or four minutes, then works o/kC807 & C806 ( 100uF 50 volt ) in power supply primary14-09-04
PanasonicAlpha 2Wat switch on runs for 2 sec and goes deadHT too high at 180V, OK if running on a dummy load- STR54041 is faulty.14-09-04
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