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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: 165
NEI1451Dead.Line driver TX u/s , Q601 ( BC639 ) s/c.14-09-04
NEI1451Frame collapse - blank raster.Drys on T801.14-09-04

NEI1451Height lacking & chans off tuneD001 33v zener14-09-04
NEI1451Int operationR802 blue positor pt no 28002001 ( rattles when shaken if duff) - should read approx 5k when cold14-09-04
NEI1451Int tripping.R605 ( 4.7k 1W ) high.14-09-04
NEI1451Not tuning in.Drys on pin 1 K001.14-09-04
NEI1451Tripping.T801 windings s/c.14-09-04
NEI1451Uncontrolable sound.The single green plug gos to l/h of 2 small sockets not CRT base.14-09-04
NEI1451TXDead - int to start withLOPTr s/c; HT dropper 2R7 o/c; 2 x mains rects; dry joints R812 47R14-09-04
NEI1451TXDead - no line driveR605 5k6 in HT feed to driver tr o/c14-09-04
NEI1451TXWon't tune - other buttons do strange thingsReprog EEPROM14-09-04
NEI1481TXDeadL802 dry joints, R802 270k o/c14-09-04
NEI1481TXDead - ok on dummy loadDry joints around D80514-09-04
NEI14D1X E5 series80% pic blanked out, 10% Txt banked - OSD okScl pulse dist (pin 7 IC301- unsolder to check pulse) TDA3653B faulty14-09-04
NEI14FREBlank raster when A1 advancedPin 8 TDA3650 sancastle pulse missing - ok at pin 17 TDA2579 timebase chip; link on top of Txt pcb dry joint14-09-04
NEI14NE3743wont store chanseeprom 24C02 - 24C04 can be used in lieu14-09-04
NEI1551TXHoriz lines across picDry joints -ve end of C513 on vert mounted Txt pcb14-09-04
NEI1601Periodically blows chopper trCheck RP36 33R safety res in snubber network to 26v supply - may be o/c14-09-04
NEI200 Indiana 200Field short & jumpsD001 - replace with ZTK3314-09-04
NEI2031No pic - sound okHT ok at 120v - no lop or drive - R605 5k6 4w o/c14-09-04
NEI2031 etc.BUZZ ON SOUNDCHECK 22nf CERAMIC CAPS AT ONE END OF IC.14-09-04
NEI2031TXInt st/by - unable to switch back ondry joints psu (all joints resoldered!)14-09-04

NEI2031TXWont come on from st/by - ok by on/off swSAA1293A R/C decoder chip14-09-04
NEI2031TXWONT START FROM SBY , ONLY IF PRECISE SWITCH ON FRODSAA129314-09-04
NEI2031TXTInt deadDry joints chopper tfmr14-09-04
NEI2041TXDead - C811 in SMPS burnt up 5nF6 1kvQ800 BU508AF, R801, L802 47µH Pt no NEI055137, D802 & D803 1N4007 & TDA460114-09-04
NEI2041TXPulling at top when playing videosChange R560 from 220R to 100R - not marked, at back between link K100 & green delay line14-09-04
NEI2051TXDeadNo volts at chopper Tr coll - dry joints feed coil14-09-04
NEI2051TX IndianaDeadDry joints on small coil near chopper Tr marked D805 on underside of board. Was glued in14-09-04
NEI2131BLANK RASTER WITH SOUNDTDA3653 FIELD OP. IC.14-09-04
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