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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonySTRD2010INCORRECT PART NUMBER T-901 Part number listed in the manual is incorrect.
SonyKV27HSR10NO PICTURE, TROUBLESHOOTING METHOD As you may have noticed, when servicing this and other unitsusing this particular IC-301, RGB lines at the IC level are blanked any-time the C board is disconnected. The main reason for this blanking isa cathode current detect line (IK). When the unit
SonyXR7070CORRECT PART NUMBER FOR Q325 What is the correct generic and nine digit part number forQ-325? The schematic calls for a 2SB-1132. However, in the parts list,it lists Q325 as a 2SB-1175HFE. The transistor is a chip component, andthe only markings on it are AB. What part is suppos
SonySPP300NO DIAL TONE - Q610, Q611 Unit will not work.
SonyCCDF77PICTURE BREAKS UP AFTER WARM-UP Picture breaks up after playing for a few minutes. If youspray component freezer on IC-201 picture comes back.
SonyCCDF45AUTOFOCUS SEARCH TO INFINITY Autofocus searches to one direction and passes thefocusing point to infinity.
SonyCVPG500POWER SUPPLY FAILURES We seem to be experiencing many failures of the PS-2 board.These failures are centered around T1 and T2 as well as R24 and R03.We have not yet determined the cause of these failures.TO TOKYO: Have you experienced any failures of this nature, if so have y
SonyCCDF77CANNOT PERFORM BATTERY DOWN ADJUSTMENT Battery down adjustment could not be performed. Founddefective IC-501.
SonyEDV9500DOG UNIT FROM BUBANK Unit wold loose color in que and review in BI mode.
SonyCCDTR5SMEARING VIDEO TITLES Video titles for superimposing are smeared. They do notappear sharp and defined.
SonyCCDM8UCOLOR BARS IN PICTURE Color bars in picture after recording.
SonyKV2790RPICTURE DRIFTS OUT OF COLOR, REPLACE R-242 Picture drifts out of color and slightly off channel as setwarms up. Set in use 2 - 3 years.
SonySLV575UCNO CTL No auto-tracking lock. Playback CTL pulse from pin 18 IC-402on the MA-62 board is missing. it should be a 5Vpp square wave. Thereason is pin 17 of IC-503 micro should go high closing the switch onIC-401 pin 12. The switch is open. This is the second
SonySTRAV910NO SOUND FROM SURROUND OUTPUT No sound from surround speakers.
SonyTAN77ESPART NUMBER FOR RUBBER FOOT ON BOTTOM OF UNIT IS MISSING The number for the rubber foot is not in the service manual. -HQ COMMENTS: The part number of the RING, FOOT ORNAMENTAL IS4-916-703-01.The part numbers of the front and rear feet are :Front feet: 4-908- 888-01Rear feet: 4-908-887-01A service bulletin wi



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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