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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | STRV5 | DEFECTIVE IC451 | No output, meter and lights operating, relay activates. B+and B- low. | ||
| Sony | STRV3 | ERROR 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. | ||
| Sony | STRV2 | ERROR IN SERVICE MANUAL | VCO adjustment Page 9, Procedure 2, adjust RT201 for 19kHz+/- 100Hz error. | ||
| Sony | ICFC310W | MODIFICATION FOR BUZZER LEVEL | Alarm level very low. | ||
| Sony | ICFC11W | CLEAN AND ADJUST SWITCH | Alarm set time shows upon auto buzzer. | ||
| Sony | ICF7600 | LOOSE 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. | ||
| Sony | CFS71 | LUBRICATION 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 | ||
| Sony | CFM23 | DEFECTIVE MOTOR | Tape speed slowing - occasionally decrease in current tomotor. Same decrease on external DC input. | ||
| Sony | TFM7720W | BROKEN CONNECTION ON CONTROL | Volume control has no effect on volume - volume remains loud.Removed volume control and it was working properly. | ||
| Sony | TFM7720W | COLD SOLDER | No AM on low end. | ||
| Sony | TFM6160W | LOOSE PULLEY | The tuning dial does not work. The pulley near the speakerpulls loose causing the dial string not to work. | ||
| Sony | TCS300 | IDLER OUT OF POSITION | Spindle assy take-up reel will not turn in playback or recordonly. | ||
| Sony | TCK81 | BACK TENSION TORQUE ADJUSTMENT | Back tenstion and tape path was incorrect. Complaint of tapewrinkle on maxell tape. | ||
| Sony | ICK81 | STEEL BALL OUT OF PROPER LOCATION | Tape jammed. Found head deck wouldn't retract properly. | ||
| Sony | TCK65 | DEFECTIVE 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 |