Dicas Reparação




Modelo - Chassis


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(Chassis)
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SonyTAH3600
MECHANICAL BUZZ NOISE A buzzing noise is audible from the set.
SonyMHC3600
MECHANICAL BUZZ NOISE A buzzing noise is audible from the set.
SonyXED75
FRONT PANEL FROM NPC NOT COMPATIBLE UNLESS MODIFIED The front panel received from NPC is not compatible with theXED-75 unless it is modified. The part includes 2 small rectangularplastic tabs along the bottom edge which prevent the panel from seatingproperly on the keyboard unit (ref. 901). The keyboard
SonyCCDF56
ERROR IN "VK-10" SCHEMATIC The VK-10 schematic shows S-506 (time/next) switch is short-ed across the K out 4 line (W-502, 12). Obviously, this is incorrect.S-506 connects between K out 4 and K in 3 (W-502, 20) which it shares withS-510 (Record). S-512 (Frame) and S-508 (data scr
SonyCCDF55
ERROR IN "VK-10" SCHEMATIC The VK-10 schematic shows S-506 (time/next) switch is short-ed across the K out 4 line (W-502, 12). Obviously, this is incorrect.S-506 connects between K out 4 and K in 3 (W-502, 20) which it shares withS-510 (Record). S-512 (Frame) and S-508 (data scr
SonyTCFX120
TECH TIP TO INSTALL NYLON WASHER IN FLYWHEEL ASSEMBLY Nylon washer is easy to lose and difficult to install onflywheel shaft.
SonySLV373UC
NO POWER Unit is completely dead. No unswitched voltages. Only vol-tage out of power supply is -7.9 volts for the -27.5 volts line.
SonyWMD3
UNCONTROLLABLE TAPE SPEED Tape runs too fast. Cannot adjust tape speed.
SonySPP120
NO OR INTERRMITENT AUDIO Unit has no audio or intermittent audio.
SonySTRAV1020
TUNER BLEED THROUGH Tuner bleed through while listening to another source (ie, CD,DAT, Phono, Tape). This is most noticeable during a quiet passage or be-tween tracks when the volume is at a high level. The problem appears tobe IC-606 and IC-607, the analog switch LC-7822
SonySSU311
PART NUMBERS FOR DRIVERS NOT AVAILABLE The P/Ns for the drivers in this model are not available atthis time.
SonyCCDF401
LOW BATTERY ADJUST I was informed by the technician in San Diego of a problem ofnot being able to do low battery adjust. The problem is if the unit isset higher than 5.58 VDC as called out in the procedure, the unit shutsoff and no display on the RM-95. This prevents you
SonyCCDF201
LOW BATTERY ADJUST I was informed by the technician in San Diego of a problem ofnot being able to do low battery adjust. The problem is if the unit isset higher than 5.58 VDC as called out in the procedure, the unit shutsoff and no display on the RM-95. This prevents you
SonyCCDF55
LOW BATTERY ADJUST I was informed by the technician in San Diego of a problem ofnot being able to do low battery adjust. The problem is if the unit isset higher than 5.58 VDC as called out in the procedure, the unit shutsoff and no display on the RM-95. This prevents you
SonyKV27EXR15
NO POWER WITH REMOTE, REPLACED Q-604 Unable to activate power using the remote. I was able to getmomentary power on via the manual power button. Observed the voltage atbase of Q-601 the relay driver and it went to 1.2 volts then dropped to .4volts. The OVP line was low at 1.4V instead of


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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