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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

MakeModelProblemSolutionAddedDate
 
Found: 711
Sharp5BSA 51AT15Hpowers up from mains switch, LED flashes then goes out with no pidc or sound. When switched off high pitched noise comes from speaker going down in frequencyDJ on D710 and C713 1000uF 25V s/cplamensl14-09-2004
Sharp5BSA 51AT15Hshort pic & no reponse to front or R/CQ509 BC635, Q510 BC338 next to field o/p pair & C713 100µ 16vplamensl14-09-2004
Sharp5BSA 51AT15HSlow start, cogging, loptr failure or trippingReplace all 6 elects on psu sec & Q704/708 BC338-40 5v reg trs & Q601 BU508DFI LOPTrplamensl14-09-2004
Sharp5BSA 51AT15HSmall pic - HT low (should be 108v)Check D716 27v & D717 75v zeners by replacementplamensl14-09-2004
Sharp5BSA 51AT15HSnowy raster onlyNo 12v to tuner - R243 5R6 1/2w o/c also check C713 1000µ 35v in -10v supply for various faultsplamensl14-09-2004
Sharp5BSA 51AT15HThree col flyback lines at top of screenD504 & D507 1N4148plamensl14-09-2004
Sharp5BSA 51AT15HTo reprog NVM for AFT/AGCAuto tune tv to a chan, fine tune for best result then go into service mode, go to AFT adj, & press key symbolplamensl14-09-2004
Sharp5BSA 51AT15Hvertical picture shift, alters with temperaturereplace R512 180k 0.5W next to Q508plamensl14-09-2004
Sharp5BSA 51AT15Hwhistling noise and picture tearing for first 3 min from coldC604 220uF 10V in PSUplamensl14-09-2004
Sharp5BSA 51AT15H/15AT151RDead st/by only - led goes out when chan no. pressedNo line drive pin 12 MC4407 IC801 as no 5v supply at pin 35. Q708 BC338-40 st/by tr s/cplamensl14-09-2004
Sharp66AS06HShuts down aft 1 sec with R632 going o/cC619 560nF 250v - also check R632 & R619 39R 1/2wplamensl14-09-2004
Sharp66CS-03HSlow start up from cold - LEDs flash Gn/orCheck dry joints & C714 1000µ 25v D712 reservoir capplamensl14-09-2004
Sharp66CS03BLOWING LINE O/P TRANSISTORRESOLDER DRY JOINTS ON SCAN COIL PCBplamensl14-09-2004
Sharp66CS03St/by onlyLeaky blue disc ceramic cap 2n2 2kv on underside of pcbplamensl14-09-2004
Sharp66CS03TrippingC714 1000µ 10v & LOPTx arcing - check also dry joints scan coilsplamensl14-09-2004
SHARP66CS03HDEADCHECK C601 FOR S/C (FITTED UNDER D605 ON PRINT SIDE IS BLUE DISC TYPE)plamensl14-09-2004
Sharp66CS03HDEADCHECK C601 FOR S/C (FITTED UNDER D605 ON PRINT SIDE IS BLUE DISC TYPE)plamensl14-09-2004
Sharp66CS03HDead - LOPtr s/creplace C604, C714 & check dry joints scan coil pcbplamensl14-09-2004
SHARP66CS03HDEAD BUT COMES ON AFTER A WHILEREPLACE C714 1000MFD25Vplamensl14-09-2004
Sharp66CS03HField scan distorted in upper half45v supply at C619 only 15v. R643 5R6 overheating, D623 10v zener sm leaky, R632 1A cct prot o/cplamensl14-09-2004
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