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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: 185
GECC1402H CVC801Startup - dead.IC700 ( 7812 ) 12v reg , T873 , IC870 ( TDA2140 ) check by change14-09-04
ITT3493 CVC1200No sound - colour or remote.IC SAA1251 Remote decoder IC.14-09-04

ITT3493 CVC1200No startup or light on in standby but still oCheck for shorted out relay pins , Tx 4511 3109 faulty.14-09-04
ITT3493 CVC1200Remote control inoperativeIC SAA125114-09-04
ITT3732 CVC825PFrame - Hight & width low.145v rail down - R651 ( 120k ) high.14-09-04
ITT3732 CVC825PWidth & hight low.145v rail down - R651 ( 120k ) high.14-09-04
ITT80-90 deg CVC823No results - PSU heavily loaded.C1021 ( 270pf )14-09-04
ITT80-90 deg CVC823Slight hum bar & touchy tuning.Cracked print at 90v supply res capacitor C516 ( 10uf )14-09-04
ITT80-90 deg CVC824Screen flashing white - PSU trips momentarilyCRT.14-09-04
ITTCB9604 CVC40Flyback lines - A1 control not working.R46/48 ( 820k ) on main PCB o/c.14-09-04
ITTCB9604 CVC40No frame.T7 ( BC527 ) on CMF40.14-09-04
ITTCD652 CVC25/3Channels - stuck on channel 1.C5 leaky.14-09-04
ITTCP332 CVC40Dead - Intermittent shut down.BU208A loose bolt.14-09-04
ITTCP332 CVC40Frame collapse.R2003 ( 1k ) field hold control o/c.14-09-04
ITTCS0614 CVC823PNo sound or picture - stuck on channel 1.IC on front unit SAA1251.14-09-04
ITTCS0624/1/T CVC824No sound or picture - seems like tripler.D513 ( RGP30M ) behind angled heat sink R/H side PCB.14-09-04
ITTCT1600 CVC824122v rail going low.Change T617 ( BC238 )14-09-04
ITTCT1600 CVC824Bars on saturated colours.C312 ( 2.2uf ) o/c.14-09-04
ITTCT1600 CVC824Dark lines on colour.C312 ( 2.2uf ) o/c.14-09-04
ITTCT2500 CVC1150Dead.TR716 , 715 , D685 s/c , caused by TR731 ( BC328-52 ) s/c , D71414-09-04
ITTCT2512 CVC1200No EHT.TR741 ( BC328 ) right hand side of chassis.14-09-04
ITTCT2512 CVC1200No go Standby LED on.R744 o/c right hand side of chassis.14-09-04

ITTCT2600 CVC1210Dead - with ticking noise.BU208A , T562 ( BD135 ) , R503 ( 100ohm ) if LOPTX hot change it.14-09-04
ITTCT2712 CVC1200White raster with flyback lines.Diodes by BU208 go s/c , a Ristor burnt up ( use BY133 )14-09-04
ITTCT2712 CVC1203Dead.MR diode s/c , may have taken tripler.14-09-04
ITTCT2712 CVC1203No Frame - resistor R522 burnt up.R522 is a 0.47R , D523 ( BA158 ) , TBA2653A14-09-04
ITTCT2712 CVC1203No tuner voltage.R522 is a 0.47R , D523 ( BA158 ) , TBA2653A14-09-04
ITTCT600 CVC823Line pulling - two or three times a second.VCR switch on PB unit.14-09-04
ITTCTV1204 CVC1204Dead.Blows BU508 at switch on , check C701 for s/c.14-09-04
ITTCVC100dead with whistling only from psuNo 115v HT - 120v zener D658 leaky14-09-04
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