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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: 45
Beko11214TInt no pic - sound okthyristor T701 ESM740 goes o/c intermittently ESM740 no longer available, use TR03-400T and add a 47 Ohm 0.5W resistor from gate to ground.14-09-04
Beko11214TInt no pic - sound okT701 thy ESM740 goes o/c int - NLA -- use a TR03-400T & add 47R ?w resistor from gate to ground 14-09-04

Beko11221TDeadpsu working - no line drive - line dr tfmr 14-09-04
NordmendeF9 Chassis (Control board with SAA1121/SAA1130/SAA1020)Snow on screen, all leds lit, stuck on UHF band.Change SAA1121.14-09-04
Philips10CK1120DeadT9629 BUZ71 s/c due to dry joints LOP stage14-09-04
Philips10CX1120Chan display "88", slight tuner drift, no chan change, pic goes dark, sound drops, won't sw on from cold, screeching from LOPTx & LOPTr gets hot etcLine ripple on supply lines due to pin 12 LOPTx high resistance connection to chassis earths14-09-04
Philips10CX1120Dead on battery - ok on mainsC23 1µ in psu - also D37 o/c causing 8v supply to be slightly high (did not affect operation)14-09-04
Philips10CX1120Dead.T9629 ( BUZ71 ) s/c , plus drys around LOPTX.14-09-04
Philips10CX1120FIELD INT CRAMPS , SOMETIMES COLLAPSESC582 10nF ON PIN 20 TDA1770 FIELD IC14-09-04
Philips10CX1120Field scan erratic with cramping across centreC582 10nF ceramic cap leaky - pin 20 TDA1770 14-09-04
Philips10CX1120Servicing the Philips 10CX1120See TV Mag Jan 199514-09-04
Philips10CX1120/05Dead - micro TMS3757ANL-10T273 BC557 s/c in AV/RF sw cct also14-09-04
Philips10CX1120/05Dist raster & no field sync at sw on - clears aft 10 minsMains bridge rect int goes o/c14-09-04
Philips10CX1120/05Raster - distorted & no frame sync.SKE bridge recy.14-09-04
Philips10CX1120/05Rpower supply working but no line drive.changed the following T539 / T534 / R537 / R502. LOPT faulty14-09-04
PhilipsCX1120DeadInsufficient line drive to turn on LOPTr - T534 BC637 low gain14-09-04
PhilipsCX1120Display - int.DJs on earth tags 10 , 16 , 18 , L622 or tuner earthing.14-09-04
PhilipsCX1120Sound varying.DJs on earth tags 10 , 16 , 18 , L622 or tuner earthing.14-09-04
SonyKPS112U (proj)Int convergenceD/Js on one of the STKs on convergence panel gain access to the convergence panel by taking off the panel below the screen at the front.14-09-04
SonyKVDX2112UNo pic - sound okReplaced R807 & D803 [ replaced with 2X BYT11-1000 in series ].14-09-04
Toshiba2112 , 2512 , 2812TRIPPING IN ANY MODED807 O.C. TYPE BYD33J14-09-04
Toshiba2112 , 2512 , 2812TRIPPING IN NORMAL MODE OK IN STBY. MODED813 13v ZENER FAULTY14-09-04

Toshiba2112 - 2812 - 25VIBRATION FROM FRONT OF CABINETREFIT CHAN - VOL BUTTONS ADDING FELT ALONG THEM14-09-04
Toshiba2112 -252BLACK FLASHING LINES RUNNING UP THE SCREEN WORSE WICV01 TA8777N AV SWITCHING IC14-09-04
Toshiba2112DBBLANK SCREEN NO ONSCREEN , NO REMOTEDF80 5.6v ZENER SUPPLY TO TEXT PT. NO. Toshiba A711641514-09-04
Toshiba2112DBDeadLoptx faulty tho tested ok14-09-04
Toshiba2112DBDEAD-NO PSUIC801 ( TDA4601 )14-09-04
Toshiba2112DBField flyback lines at topC331 1µ & C333 100µ 14-09-04
Toshiba2112DBFIELD JITTER , PIC BREATHINGQ833 ( S1854 - Toshiba A6907751 )14-09-04
TOSHIBA2112DBFRAME FOLDOVERREPLACE C333 100MFD63V14-09-04
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