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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: 140
AlbaCTV12No sound or raster - HT & display Ok.D/J T201 ( looks Ok ) , Q208 o/c.14-09-04
AlbaCTV12No sound/pic - HT normalQ208 12v reg tr o/c - TIP 41 works ok14-09-04

AlbaCTV12When removing back cover.Check for screw inside rear foot ( underside )14-09-04
AlbaCTV14Dead.Faulty mains transformer14-09-04
AlbaCTV14Dead.BR401 s/c.14-09-04
AlbaCTV14Distorted sound.Break in print to C206.14-09-04
AlbaCTV14Frame collapse - no soundR425 ( 6.8ohm ) O/C , D410 s/c14-09-04
AlbaCTV14Frame collapse.D410 s/c , R425 ( 6.8R ) o/c.14-09-04
AlbaCTV14No sound.( 1 ) IC201 ( TBA820M ) , ( 2 ) ICMN1220.14-09-04
AlbaCTV14No tuningQ101 s/c14-09-04
AlbaCTV14Only memorises enen channel numbers.IC MN1220.14-09-04
AlbaCTV14RField bounceR317 10k 2W dry ( near line hold preset )14-09-04
AlbaCTV14RIf VOL up used shows row dots as if sound at minReplace IC601 MN603014-09-04
AlbaCTV14RSFrame collapse - no sound.D410 s/c , R425 ( 6.8R ) o/c.14-09-04
AlbaCTV14RSNo sound & field collR425 6R8 o/c, D410 s/c (12v supply from lop)14-09-04
AlbaCTV14RSVarious inc no tuning, sound, dead etcCracks in print on front panel14-09-04
AlbaCTV14RS/55Shows row of dots when vol adjIC601 MN6030 memory chip faulty14-09-04
AlbaCTV2Int trip off & shut downDry joint D16 (series with a res proud of board)14-09-04
AlbaCTV2SWITCHES OFF OR TRIPS AFTER 3minsR69 OR DRY ON D16 - SITS OFF PCB IN SERIES WITH RESISTOR14-09-04
AlbaCTV3359No pic - sound okLoss of line drive - Q601 BD679A reg; print flash over between base Q601 & o/p scan coil skt14-09-04
AlbaCTV3400Field foldover at top when cold - HT low at 96v (115v)Q506 o/c14-09-04
AlbaCTV3408DeadRP4 o/c in PSU 330K14-09-04

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
AlbaCTV3458DeadRP4 330k o/c14-09-04
AlbaCTV3458Dead - BUZ90 chopper s/cD5 FR144 in snubber network s/c - also replace R4 & 5 & TDA460514-09-04
AlbaCTV3458Dead with mains fuse blownC8 1nF 1kv leaky14-09-04
AlbaCTV3458Field collapsed to 1"R25 12k o/c - feed to 33v supply14-09-04
AlbaCTV3459Int Field collapse with it turning offBlanket resolder field stages even if they look ok14-09-04
AlbaCTV4800No soundQ201 2SC2703 faulty, TDA1904 audio chip faulty14-09-04
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