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(Chassis)
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SonySTRV5DEFECTIVE IC451 No output, meter and lights operating, relay activates. B+and B- low.
SonySTRV3ERROR IN SERVICE MANUAL The schematic (Page 20) shows bias test points incorrectly atcollector of Q713 and Q763. Should be at emitters. -HQ COMMENTS: See Technical Newsletter #8102.
SonySTRV2ERROR IN SERVICE MANUAL VCO adjustment Page 9, Procedure 2, adjust RT201 for 19kHz+/- 100Hz error.
SonyICFC310WMODIFICATION FOR BUZZER LEVEL Alarm level very low.
SonyICFC11WCLEAN AND ADJUST SWITCH Alarm set time shows upon auto buzzer.
SonyICF7600LOOSE DIAL INDICATOR Dial indicator needle disconnects from the dial string. Theunit will continue to tune radio stations but customer is unable todetermine the station from the indicator.
SonyCFS71LUBRICATION IN SWITCH ASSY NEEDED When the Fast Fwd/Rewind switch is activated by the switchlever assy, binding of the two nylon pieces can occur. This causes themuting switch to stay in the ON position. The audio is then greatlyreduced. This condition occurs most often when the AMS f
SonyCFM23DEFECTIVE MOTOR Tape speed slowing - occasionally decrease in current tomotor. Same decrease on external DC input.
SonyTFM7720WBROKEN CONNECTION ON CONTROL Volume control has no effect on volume - volume remains loud.Removed volume control and it was working properly.
SonyTFM7720WCOLD SOLDER No AM on low end.
SonyTFM6160WLOOSE PULLEY The tuning dial does not work. The pulley near the speakerpulls loose causing the dial string not to work.
SonyTCS300IDLER OUT OF POSITION Spindle assy take-up reel will not turn in playback or recordonly.
SonyTCK81BACK TENSION TORQUE ADJUSTMENT Back tenstion and tape path was incorrect. Complaint of tapewrinkle on maxell tape.
SonyICK81STEEL BALL OUT OF PROPER LOCATION Tape jammed. Found head deck wouldn't retract properly.
SonyTCK65DEFECTIVE IC802 After operating approx. 1.5 to 3 hrs, the transport willstop - rewind - stop. The LED display will then indicate 1 and none ofthe function switches have any effect. This is with RMS off, with RMS on- cannot be programmed. Found Pins 12, 13, 15, 16 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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