Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | STRD315 | NO POWER - RECONNECTED CNP951 | No power. | ||
Sony | STRD1015 | HF 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 | ||
Sony | STRD1015 | FRONT 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. | ||
Sony | MHC1750 | UNIT 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. | ||
Sony | MDS302 | UNIT INOPERATIVE - LOOSENED DAMPER SCREWS | Three units came in for different reasons but were inoperativeupon arrival. Power will not turn on. | ||
Sony | LBTG2000 | NO 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. | ||
Sony | LBTD550 | NO 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. | ||
Sony | HCDH605 | MISSING 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. | ||
Sony | HCDG2000 | REMOTE NOT WORKING - Q322 (AU BUS) ON CD MAIN BOARD SHORTED | Remote not working | ||
Sony | HCDD560 | NO CD, REEL MOTOR, OR FOCUS - RESOLDERED X101 | No CD function, no reel motor, sled motor or focus function.Will load CD. | ||
Sony | HCDD560 | DEAD UNIT - REPLACE F1901, IC1351 AND IC1201(POWER AMP) | Unit came in dead main fuse open and regulator IC burned. | ||
Sony | HCDD250 | CANNOT 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. | ||
Sony | HCDC605 | LOW 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. | ||
Sony | HCDC50U | INTERMITTANT 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. | ||
Sony | HCDC33 | CD TRAY JAMMED - REMOVED STUCK CD AND REALIGN MECHANISM | CD tray jammed. |