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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

Found: 1049

PanasonicAlpha 2WSqueal at sw on then dead except chan indQ551 lop tr s/c; D854 over volts s/c; R564 fusible o/c - check C808 10 63v & IC801 STR54041M & dry joints14-09-2004
PanasonicAlpha 2WSquealing.2SD1441 may check Ok , Drys on line driver transformer.14-09-2004
PanasonicAlpha 2W TX24T1Bright raster with fb linesD551 cooked - mounted just to the left of LOPTX under R557 [6.8 ohm 1W] - also replace C554 10 250v14-09-2004
PanasonicAlpha 2W TX24T1No picR390 120k 1/2w on crt base14-09-2004
PanasonicAlpha 2W TX24W1Bright red pic (or Blue/Green)Check relevant peaking coil on crt base (L351, 352, 353)14-09-2004
PanasonicAlpha 2W TX25T2Shuts down shortly aft sw on b4 raster appears - chan ind remainsBeing told to sw off by micro - lift link R1245 to disable - D1315 MA700 leaky14-09-2004
PanasonicAlpha 2W TX25T2Field - height excessive with top foldoverR469 150R o/c (under white ceramic res by loptx)14-09-2004
PanasonicAlpha 3AFTER 5mins PIC + SOUND DISAPPEARSTUCK IN RESET C1251 10nF14-09-2004
PanasonicAlpha 3Black diagonal lines across pic - very intD329 zener diode was leaky MA4068 - stabilises supply to TDA4670 IC30214-09-2004
PanasonicAlpha 3Bright flyback lines across top of screen - very intFit kit TZSEN001 consisting of replacement scan coil and FOP chip14-09-2004
PanasonicAlpha 3Colour varies - blue content reduces - intC352 330pF ceramic cap decoupling Q366 emitter14-09-2004
PanasonicAlpha 3Dark blank raster - no sound.C1251 ( 10nf ) leaky , main microcontroller & memory chips.14-09-2004
PanasonicAlpha 3Dark blank raster with no sound or displayNo micro activity - dis serial & clock lines to Txt panel to elliminate this cct; set works when this was done - IC3507 was faulty (MAB8461PW13S)14-09-2004
PanasonicAlpha 3Dark pic getting worse with timeQ355 2SC3311 on crt base leaky (black level ref)14-09-2004
PanasonicAlpha 3Dead - blows R822 4R7 5W & R555 LOP fusibleLine drive wfm dist - C501 01cap in line osc stage leaky14-09-2004
PanasonicAlpha 3Dead - LOPTr leakyAlso check R567 1A fuse feeding LOP stage for o/c14-09-2004
PanasonicAlpha 3Dead - R555 fusible res o/c in LOP stage feedLOPTx14-09-2004
PanasonicAlpha 3Dead with LED flickering at sw onQ823 conducting as opto was turned on; Q825 was sw on because C822 001 ceramic cap leaky14-09-2004
PanasonicAlpha 3Dead.R555 HT feed o/c.14-09-2004
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