Dicas Reparação




Modelo - Chassis MZ1


Pesquisa: MZ1 Enviar Dica Resolvida
Resultados 33
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyMZ1
UNIT DISPLAYS "HOLD" (CN-803 NOT CONNECTED) Unit would not load disk. Unit displays Hold. CN-803 wasunplugged.
SonyMZ1
NO POWER WITH AC ADAPTER (NICAD BATTERY OK); PS-401 OPEN Unit had no power with adapter, but worked ok with battery.
SonyMZ1
INTERMITTENTLY WON'T ACCEPT MO DISCS (REPLACE REF. # 108) When trying to load a recordable disk, the unit will eject thedisc immediately. It sometimes accepts disc with unit upside down. Foundpin 66 of IC-801 jumping high but not going back low as recordable discwas inserted. All three units loaded pre-recor
SonyMZ1
NO OPERATION (RESETTING IC801 RESTORED NORMAL OPERATION) Unit is inoperative. All voltages look good.
SonyMZ1
DISPLAY DIMS DURING RECORD (REPLACE FB310, P/N 1-543-948-11) Display would dim during Record.
SonyMZ1
DISC ERROR MESSAGE Unit would not read TOC. The worm gear would not move becauseit was hung up on the optical block.
SonyMZ1
DISTORTION IN LEFT CHANNEL (IC-603 DEFECTIVE) Distortion in left channel. After warm up, it became justnoise when I used the heat gun.
SonyMZ1
ADJUSTMENTS ARE NOT STABLE After doing all adjustments and playing the unit for an hour,I would get intermittent audio (tracking or focus problem).
SonyMZ1
INOPERATIVE UNIT Unit was inoperative and the fusible link PS401 was open.When I replaced the link and plugged in the unit, C5020 became physicallydamaged.
SonyMZ1
RESTORING UNUSABLE M/O DISCS TO USABLE CONDITION The display shows UTOC ERROR when trying to read an M/Odisc. This problem may have been caused by the customer moving the unitwhile it was updating the UTOC area after recording. The owner's manualindicates that the disc must be replaced.
SonyMZ1
LOAD/EJECT VERY SLOW, MOTOR DRIVER IC-802 DEFECTIVE Load/eject was very slow.
SonyMZ1
WILL NOT EJECT DISC (MECHANISM JAMMED BY DROPPING UNIT) Disc was stuck in unit. I've seen this problem many times.
SonyMZ1
NO OPERATION W/ NICAD BATTERY, Q-401 (MAIN BOARD) DEFECTIVE Unit would not power up when using the nicad battery.
SonyMZ1
DIGITAL NOISE IN AUDIO, CAUSED BY COLD SOLDERING OF IC-801 Unit will intermittently put out strange digital sounds.These sounds are in both left and right channels. When I touched thesyscon IC-801, the sounds got worse.
SonyMZ1
TRACKING PROBLEM AFTER 2 HOURS, TRACKING GAIN MIS-ADJUSTED After two hours of Play, unit had a hard time reading thedisc. You could hear the sled moving a lot more than normal.


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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