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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: 509
ITTCore 2 110degSmall pic with ballooningR536 33k in anti breathing cct o/c14-09-04
ITTCore 2 90degWont turn on from st/by - ok from switchD702 11v zener leaky in st/by supply14-09-04

ITTCP2352Tuning - drifting of tune after 15 mins.IC1403 SAA1174 on CMC301.14-09-04
ITTCP3106 Pico SFrame - reduced.If IC401 pin 9 down to 19v suspect LOPTX.14-09-04
ITTCP3128 CORE 2SET GOES INTO STBY BUT WON'T COME OUTCHECK D702 11v ZENER , R655 2k7 , R701 THERMISTOR14-09-04
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
ITTCT23304 TrimlineLow gain.S/C in tuner IF unit.14-09-04
ITTCT23304 TrimlineNo colourIC870 ( TDA3561 )14-09-04
ITTCT23304 TrimlineSound - low.Resolder DJ in audio stage.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
ITTCT3306 Mono ANo sync.C609 ( 100pf ) ceramic off pin 7 TDA257914-09-04
ITTCT3315 Pico SDark picture.270k resistor in 1st anode supply.14-09-04
ITTCT3325 Pico SNo colour after few hours.T1410 in tuner control unit ( IFB351 )14-09-04
ITTCT3326AFTER 10 MINS CHANNEL DISPLAY FLASHES AND SET GOEIC1405 5v REG INT OC ( MAY CAUSE TUNING INFO TO BE LOST )14-09-04
ITTCT3326 Mono BDead - 115v at BU508D collector.Try LOPTX see Tv mag.14-09-04
ITTCT3326 Mono BStartup - no startup - int.C701 , C707 ( 2.2u f )14-09-04
ITTCT3414Line ringingC724 18000pf u/s14-09-04
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