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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

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Found: 1049



PanasonicAlpha 1No sound or picture - squealing.Line drive transformer.14-09-2004
PanasonicAlpha 1No sound/pic off air or via scartIC2601 M51320P AV sw chip - to check, remove chip & jumper I/P & O/P pins14-09-2004
PanasonicAlpha 1off - safety res R851 2R2 o/c when replaced loud buzzwhen base of line driver tr lifted buzzing stops. No line drive replaced TDA4505M-N3 jungle chip (must be correct suffix)14-09-2004
PanasonicAlpha 1Pic brightens & drops with dist field scan when heatedScan coils faulty - reqs replacement of crt as they are bonded14-09-2004
PanasonicAlpha 1Pic goes in from RH side with black line across centreDry joints field o/p chip14-09-2004
PanasonicAlpha 1Plain blank raster & no sound , no OSD sync - Ok via rear sockets.Replace IC101 ( TDA4505M ) in side can middle of chassis.14-09-2004
PanasonicAlpha 1Q551 KEEPS BLOWINGCHECK DRY-JOINTS ON LINE OUTPUT TRANSFORMER14-09-2004
PanasonicAlpha 1Raster - blanking out.IC801.14-09-2004
PanasonicAlpha 1Reduced top frame after a few minutes.Scan Coils!14-09-2004
PanasonicAlpha 1Remote commands int ignoredDry joint X3505 Xtal on Txt pcb14-09-2004
PanasonicAlpha 1Replacement of TDA4505M-N3You can use cheaper TDA4505E if R113 changed from 22k to 270k, R112 from 1M2 to 470k & re-align afc coil14-09-2004
PanasonicAlpha 1Replacing TDA4505M-N3 with TDA4505EChange R113 from 22k to 470k; R112 from 1M5 to 470k; align AFC for optimum pic14-09-2004
PanasonicAlpha 1ScreamsHt=20v lop tr 2SD1439 leaky CP567 1A cct prot o/c14-09-2004
PanasonicAlpha 1Squealing.Line drive transformer.14-09-2004
PanasonicAlpha 1TDA4505M-N3 replacement by TDA4505EChange R113 from 22k to 470k; R112 1M5 to 470k & re-align AFC as nec14-09-2004
PanasonicAlpha 1TrippingD854 SR2KN avalanche diode s/c due to C808 10 50v low cap (could also be STR54041M chopper chip) it is advisable to change both14-09-2004
PanasonicAlpha 1Tripping with field collapseR7000 180k & R7005 150k start up res on side panel14-09-2004
PanasonicAlpha 1Tuning - drift.IC801.14-09-2004
PanasonicAlpha 1Whistling D854 s/c (RM2)C808 10mfd 63V in psu o/c Replace RM214-09-2004
PanasonicAlpha 1 TX2482Line foldover then dead with LOPTr 2SD1441 s/cCheck for dry joints line dr trfmr & LOPTx14-09-2004
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