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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: 1049
PanasonicTX25AD2DPField collapseCaused by faulty proc chip14-09-04
PanasonicTX25AD2DPWONT GO INTO STANDBYREPLACE Q667 BC547B14-09-04

PanasonicTX25AD2DP Euro 2Line jitter - intFit mod kit TXS9EK002-2; but do not replace EEPROM on this model or sound will be lost (Pro Logic version)14-09-04
PanasonicTX25D1/BHSt/by onlyTDA8175 fop chip (with "3" prefix), 1.25A wickman fuse off chopper tfmr o/c, D456 zener 16v MAZ160 s/c & check R472 4R7 hi res & 220µ 50v cap14-09-04
PanasonicTX25MD1DeadTDA8175 field ic faulty & D456 MA2160 zener s/c14-09-04
PanasonicTX25MD1DEAD FUSE BLOWNREPLACE POSISTOR R80814-09-04
PanasonicTX25MD1Field - 2 flashing col lines across centre of screen & lin problems on some picsreplace TDA8175 with pana spec type and check/replace D456 16v zener (MA2160B) s/c & change C456 (220uF 50v) 14-09-04
PanasonicTX25MD1GREEN SPECKLES ON RF AND SCARTREPLACE IC60114-09-04
PanasonicTX25MD1RGB LINES AT TOP OF SCREENREPLACE D454 AND D45614-09-04
PanasonicTX25MD1Sound distorted & lowIC2101 MSP3410-15 64 pin device - don't order from SALI cd -wrong14-09-04
PanasonicTX25MD1/MLine twitch - like loss of syncReplace IC601 @ ?27 + vat14-09-04
PanasonicTX25MD3Field scan flshes & no sound when coldIC601 VDP3108APPA1 vid proc chip - kit pt no TZS9EK002-2 which includes EEPROM - only fit EEPROM if orig chip type = VDP3108-2914-09-04
PanasonicTX25MD3GHOST IMAGE ON SCREENDISCONNECT SCART LEADS14-09-04
PanasonicTX25MD3No start up until warm2 x 100µ caps in PSU pri14-09-04
PANASONICTX25MD3SOUND BUT NO PICTURECHECK R507 3.3 OHM14-09-04
PanasonicTX25MD3 Euro2MNo sound or vis. Stby LED on & "flicking" approx every sec. Relay not triggering. Set works ok if relay is bypassed & set taken out of stbyReplace leaky diode D814 (1SS133T-77) mounted across the relay coil.14-09-04
PanasonicTX25MD4reverts to st/by aft few secsDry joints around FOP chip IV451 (could only be seen with magnifier)14-09-04
PanasonicTX25MK1Dead, no st/by, mains & 12v on relaySMC Transistor Q853 BC847B14-09-04
PanasonicTX25T2DEAD WITH Q551 S/CREPLACE C80814-09-04
PanasonicTX25T2No pic - sound okAN5521, C455 100uf, C551 & check cct prots14-09-04
PanasonicTX25T2Pic obscured by lines & field distR649 150R hi res14-09-04
PanasonicTX25T2Repeated failure of field chipReplace scan coils pt no TZS3EH001 ?28 + vat14-09-04

PanasonicTX25T2Txt type lines at top of picFOP IC AN552114-09-04
PanasonicTX25WPoor focusLOPTx14-09-04
PanasonicTX25W3Dead - no start upC622,C623,C631, C634 & 470K in PSU & Q624 S2000AF Chopper tr e-b s/c14-09-04
PanasonicTX25X1Int goes to st/bycheck 2 x 270k in pri psu & STR5404114-09-04
PanasonicTX25X1No sound or r/cCheck leads in connectors E22 & E19 are not reversed14-09-04
PanasonicTX28A2XSound low & dist with crackle after using Svideo sktsound switching IC 301 type M52472P14-09-04
PanasonicTX28LD1/B Euro2LSt/by LED flashes on/off - no sounde/picdisconnected Q502 [surface mount BC847B] which shorts the Hor drive from IC601 down to ground in an inhibit condition. If the line stage now cycles in time with the LED, coming on in brief pulses and producing a blank raster replace IC601 VDP3108-2514-09-04
PanasonicTX28LD1/MSTUCK IN STANDBYCHECK R558 120K FOR O/C14-09-04
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