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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: 626
Bush11AK12Field collapseR818 22K in the 33V supply (yes the 33V supply). After changing this you will probably have a blank raster so change C707 100MFD in the field flyback circuit.14-09-2004
Bush11AK12-9Width & E/W inopR661 100k14-09-2004
Bush11AK19No start upNo line drive - check coil in emitter of LOPTr for burn up (not shown on cct)14-09-2004
Bush11AK19Service Mode accessEnter install mode then press "4, 7, 2, 5"14-09-2004
Bush11AK19-B1Field collapseAfter trying new chip TDA8351 which made no diff, fault traced to D606 BA157 which checked ok out of cct14-09-2004
Bush1400DEAD ( P.SUPPLY IN BURST MODE )ZD 601 LEAKY14-09-2004
Bush1402Int shuts downAll volts present, no line drive - 500hz resonator pin 19 IC301dry joint14-09-2004
Bush1407Chans can't be storedThe -30v to memory chip low at -12v. C602 1nF small, green cap decoupling zener leaky14-09-2004
Bush1407DeadR901 4R7 5w o/c, C903/4 caps across bridge rect s/c 4n7 500v14-09-2004
Bush1407DeadR913 oc14-09-2004
Bush1407sound dist - sounds like spkr but isn'tadd 0µ1 cap from pin 5 of IC201 KA2201 (TBA820M) to chassis 14-09-2004
Bush1407 (Onwa)bad audio distortion which at first sounded like a faulty spkr.Despite replacing this, the audio o/p ic IC201 KA2201 (TBA820M) and variouscaps around it the fault remained. adding a 0.1mfd cap from the o/p of the ic (pin 5) to chassis, this completely cured the fault14-09-2004
Bush1408Excess heightR240 10k or18k hi res14-09-2004
Bush1408Lack of heightR240 10k or 18k hi res14-09-2004
Bush1418Dead - no st/by ledR913 330k14-09-2004
Bush1427TBlue screen with fb lines18k on crt base14-09-2004
Bush1427Tbright screen with fb lines check crt cathodes - if low at 100v check R435 0R68 safety res14-09-2004
Bush1430R/C not workingIf TFMS 1340 or 1360 IR sensor reciever used then its probably faulty14-09-2004
Bush1433BLANK SCREEN WITH THREE LINES AT TOP L/H SIDE THEN UNIT SHUTS DOWNINPUT ANTI-THEFT PASSWORD WITH REMOTE OR CONTACT TECHNICAL FOR PASSWORD14-09-2004
Bush1433DeadR804 820k start up resistor o/c14-09-2004
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