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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyPIX100WHAT IS THE CORRECT CHECK SUM FOR THE ROM CHECK SUM TEST
SonyGDM1936NO PICTURE, NO HIGHVOLTAGE CAUSED BY SHORTED H.OSC IC101 Power supply would come up and started screeching, unloadedB+, had HD waveform on pin 8 but none on pin 12.
SonyCPD155F1FRONT BUTTONS DO NOT WORK Unit works OK , but front buttons: reset, color, geom, size,and center not active.
SonyTCDD3INTERMITTENT LOSS OF RIGHT CHANNEL (REPLACED S301) The customer complained of an intermittent loss of the rightchannel during recording using the analog line in jack.
SonySRFX90INTERMITTENT OR NO AUDIO ON LEFT SIDE Intermittent or no audio on left side.
SonyMZR2WON'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.
SonyMZE2EXCESSIVE 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.
SonyMZ1PLAYS 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.
SonyICFCD803PLAYS CD SLOW - REPLACE IC604, P/N 8-752-337-26. Found CDs to play slowly. Checked VCO. It was exaclty 1/2 ofwhat it should have been (2.16). All other adjustments lookedsurprisingly normal.
SonyICF2001SPEAKER IS DAMAGED FROM OPENING UNIT Speaker cone glue stick to front cabinet. Shell of speakeris screwed to back of cabinet. When opening unit, cone of speaker ispulled away from grill/shell. Speaker is no longer available.
SonyD802KDRY CELLS LEAK Received several calls regarding dry cell leakage beingcaused by the problem discussed in service bulletin HFP395. Servicers donot realize this bulleting addresses battery leakage issue associated withincorrect wiring. Could we make this more clear on
SonyCFD750NO AUDIO AT ALL - REPLACE IC302 No audio.
SonyCFD580INTERMITTENT SKIPPING - REPLACE SLED MOTOR M701 Intermittently, the pick up would jump and mute audio out,found no obstructions on gear teeth driving worm gear. Looked similar toproblem in D7 series discman.
SonySLV751EXTRA LINES OF CHARACTERS Extra lines of jumbled characters in area above menu, Problemcaused by defective character generator IC301. All timing signals lookedgood.
SonySLV720INTERMITTENT LOSS OF DATA SCREEN Intermittent loss of data screen.



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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