Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | MZR3 | DISPLAY SHOWS "ERROR 40", CODE NOT EXPLAINED IN MANUAL | The display shows ERROR on the top line and 40 on thebottom line. This code is not explained in the manual. The unit is inthe normal operation mode (not test mode). -HQ COMMENTS: Actually, the unit is in the General Adjustment Modeportion of the test | ||
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 | MZE2 | DIFFICULTY LOADING/PLAYING WHEN VERTICAL | Found 3 units which had difficulty loading and/or playingdiscs when the unit was in the vertical position. Problem appears to becaused by dead spots on the sled motor (M902), which causes the motor tostop working when more driving force is needed. | ||
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 | MZE2 | SKIPPING W MECHANICAL VIBRATION: CHECK SPRING REF #719 | Unit skips and vibrates. Can be affected by how unit isheld or positioned, happens more often when held on end or side as opposedto flat. Usually noticed as soon as disc is inserted. | ||
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 | MZE2 | EXCESSIVE TOC READ TIME, THEN DISPLAY SHOWS "DISC ERROR" | The unit spends an unusual amount of time rying to read thedisc, then the display changes to Disc Error. | ||
Sony | MZ1 | PLAYS ON BATTERY BUT NOT ON AC (REPLACED POWER-C BOARD) | Unit works fine on BPMZ1 but when AC adapter is used there isno sled or focus operations. | ||
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. |