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Resultados 81876

MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonySTRD315NO POWER - RECONNECTED CNP951 No power.
SonySTRD1015HF BUZZ ON ALL OUTPUTS - ADD 820PF CAP BTWN IC631 OUT & GND High frequency buzz on all outputs at no volume, more noticable when display dim(sleep timer on). Found 3MHz modulated with h/f buzz all around the set (including GND) especially at ouput of IC631. The Ic was getting worm
SonySTRD1015FRONT AND REAR DISTORTION - REPLACED IC631 Only in theatre mode, when all speakers attached, front andrear channels distorted. IC631 drawing excessive current. Easy to checkby removing connector CNP620.
SonyMHC1750UNIT GOES INTO DEMO MODE AFTER A MINUTE - THIS IS NORMAL The unit goes into demo mode automatically when all the disc trays are empty if no key is pressed for more than one minute, see page 10 of owner's manual.
SonyMDS302UNIT INOPERATIVE - LOOSENED DAMPER SCREWS Three units came in for different reasons but were inoperativeupon arrival. Power will not turn on.
SonyLBTG2000NO POWER DISPLAY ONLY WORKS - D1301 COLD SOLDER Display lit up but unit had no audio or cd functions. Found no dc voltages anywhere. Main rectified D1301 cold soldered.
SonyLBTD550NO AUDIO - REPLACED RELAY RY1201 Unit has no relay channel external spk only, tracked singal to relay RY1201 when relay clicked it was not outputting the right channel.
SonyHCDH605MISSING TRAY IN CD - REPLACED TRAY Unit came in with number 5 disc problem. Discovered no tray in #5 tray holder. No evidence of previous servicing just wasn't there. -SOLUTIOIN: Replaced tray, set up ok.
SonyHCDG2000REMOTE NOT WORKING - Q322 (AU BUS) ON CD MAIN BOARD SHORTED Remote not working
SonyHCDD560NO CD, REEL MOTOR, OR FOCUS - RESOLDERED X101 No CD function, no reel motor, sled motor or focus function.Will load CD.
SonyHCDD560DEAD UNIT - REPLACE F1901, IC1351 AND IC1201(POWER AMP) Unit came in dead main fuse open and regulator IC burned.
SonyHCDD250CANNOT SWITCH MODES System control IC601 part no in the service manualis 875924806. The replacement is 875928891, desc. MPD78042AGF012-3B9, inthe mainframe system. The part that KC is shipping is 875932541, desc.MPD78042AGF 022 3B9, and is not comparable.
SonyHCDC605LOW OR NO AUDIO ON LEFT CHANNEL OF DECK A - REPLACE IC401 Unit came in with very low audio output on left channel of A deck. RV311 had no effect on output. Only in karaoke mode did L cahnnel equalize with R.
SonyHCDC50UINTERMITTANT NO POWER UP - TIGHTEN GROUND SCREWS Intermitantly, the unit will not turn on from front panelpower switch (S500). Display will light up momentarily then turn off.
SonyHCDC33CD TRAY JAMMED - REMOVED STUCK CD AND REALIGN MECHANISM CD tray jammed.



Assistência TécnicaAs dicas apresentadas destinam-se a técnicos de eletrónica, a tentativa de reparação ou assistência sem ter conhecimentos de eletricidade e eletrónica, podem provocar danos mais graves aos equipamentos e, devido a tensões muito elevadas em alguns circuitos, graves danos fisicos que podem constituir um risco em determinadas reparações.

Não arrisque reparar equipamentos com tensões elevadas se não tiver conhecimentos técnicos para o fazer em segurança.

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