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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: 14
AlbaCTV3409Dead fuse ok Q801 s/cReplace Q801 BUZ77, R809 0R47 ?w fusible, R805 330k 1W14-09-04
AlbaCTV3409 11AK20SLED stays green (pic ok)Q803 BC547 st/by sw tr leaky14-09-04
AmstradCTV1409Frame jitter.R427 ( 220k ) replace with 180k14-09-04
HitachiCL1409RNo colourR519 100R 1/2w not properly soldered to board14-09-04
Logik4090 TX90No colourD103 ( BAV20 ) connected to pins 19 &23 of decoder IC.14-09-04
Logik4090 TX90No colour with faint blue cast.C157 ( 22nf ) leaky on pin 18 of IC103.14-09-04
Logik4090 TX90No colour.C157 , C159 ( 22nf ) o/c , D103 high or dry jointed.14-09-04
Logik4090 TX90No sync.C125 ( 2.7nf ) , C129 ( 68nf )14-09-04
Logik4094 TX95Tuning - no tuning.R56 2.4k res o/c , IC 902 ( M293B1 ) on side board.14-09-04
Matsui1409RDead apart from quiet trippingR510/511 2M2 in psu o/c14-09-04

Matsui1409RPin code resetInput any 4 digit code 3 times until the screen displays ''protected''.Then hold ''volume down'' on TV and at the same time press button ''7'' on remote. 14-09-04
NikkaiTLG1409Dead, squealing & heated smellC617 4700pF 1kv split & leaky14-09-04
NikkaiTLG1409Dead. A squealing noise came from the chopper poweC617 ( 4 , 700pF , IkV ) which had split open and was very hot. ( connected across the IO9V HT rectifier diode D116 , in series with14-09-04
NikkaiTLG1409Field collapseR306 10R safety res o/c14-09-04
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