Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | MZR2 | WON'T PLAY/RECORD M-O DISC (FOUND M-O TEMP DATA RE-SET TO 0) | The unit would not play or record M-O discs. Have found thatabout 8% of the repairs to this model were for this problem. | ||
Sony | MZR2 | UNUSUAL CHARACTERS IN DISPLAY | Unit had unusudal characters in display. (S 02E898) | ||
Sony | MZR2 | UNIT WON'T PLAY (SLED MOTOR NOT RUNNING) FOUND TC509 BAD | Sled would not run in test mode. Found singals entering pin37 of IC509, but no output to drive sled motor. | ||
Sony | MZR2 | PART NUMBER CORRECTIONS: LINE OUT JACK, MIC-PLUG IN PWR JACK | The part numbers shown in the service manual for J301 and J303are reversed. | ||
Sony | MZR2 | DISTORTED LINE INPUT | Record input distorted in left channel, line in only. Foundsignal looked ok at both input to IC303 but DC level at pin 3 too low, .6vshould be 2.2v. | ||
Sony | MZR2 | LINE OUT, AUDIO | Unit had no line out. -SOLUTION :LF304 filter open, replaced. | ||
Sony | MZR2 | WON'T READ DISCS, STEPPER MOTOR OPERATES CONTINUOUSLY | The unit will not read discs, and the stepper motor andassociated gears operate continuously. This problem occurs just prior tothe rechargeable battery voltage falling below the usable level. | ||
Sony | MZR2 | DISTORTED AUDIO ON PLAYBACK, COUNTER FROZEN, FOUND IC603 BAD | Audio distorted and counter is frozen during playback. Thesound is the same in test mode 111. | ||
Sony | MZR2 | NO PLAY OR RECORD MAY BE CAUSED BY OPEN L509 ON MAIN BOARD) | The unit does not play or record. | ||
Sony | MZR2 | NOISY RECORDING MADE FROM MIC INPUT (SEE AUDIO BULLETIN 342) | Recordings made from the MIC input may be noisy. | ||
Sony | MZR2 | PREVENTING DAMAGE TO DC-DC CONVERTER FLEX CABLE | The flex cable on the DC-DC converter may be damaged if careis not taken during disassembly of the unit. | ||
Sony | MZR2 | NO PLAY OR FOCUS SEARCH (REPLACED MOTOR M901) | No focus search. Motor had pulses going to it, and measuredfine, but didn't spin freely. | ||
Sony | MZR2 | WON'T PLAY OUTER TRACK (FOUND HINGE HOLDER ON REF 706 LOOSE) | Will not track on outside tracks, and will not turn off,unless you are on a track that is playing. | ||
Sony | MZR2 | NO AUDIO FROM LINE OUT JACK - REPLACED MAIN BOARD | Intermittent audio from line out jack left channel only.Found extremely thin, very difficult to see, crack along line out jack.Also found several intermittent solder connects and feed thrus whiletracing audio back thru main board from Q102, 202 to IC311, | ||
Sony | MZR2 | INTERMITTENT POWER FROM ADAPTOR - RESOLDERED CN801 | Intermittent power to unit when using AC adaptor, found flexboard that runs from D-D converter to CN801 on main board had brokenconnections on D-D conv. side. |