Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | XR7000 | DEAD UNIT | No B+ to radio tape switch (S-902). | ||
Sony | XR7000 | NO AMS FUNCTION OR AUDIO OUTPUT | No AMS. No auto reverse. PM1 and Q801 were both fried. | ||
Sony | XR70 | MISSING PART NUMBER | The service manual does not give the part number for theCNP-901-902 cable and connector assembly for this unit. I have a unitthat needs these cables. -HQ COMMENTS: These connectors are shown on page 25 of the S/M(Ref. #16). The P/N is 1-555-525-00. | ||
Sony | XR70 | INCORRECT REF. # - PAGE 26; REF. #60 | Ref. number wrong. Page 26 (Ref. #60) is showing a cable(with connector). The cable (with connector) is Ref. #751-555-488-00. -HQ COMMENTS: We will issue a service bulletin. | ||
Sony | XR70 | INTERMITTENT DISPLAY | Display int. especially when first turned on. Radio freq.display would blink in and out with the clock display. FM LED would bevery dim then with time become gradually brighter. Radio display wouldstabilize and radio come on. Found irregular low outp | ||
Sony | XR70 | NOISE ON THE OUTPUTS IN TAPE MODE | Every XR-70 I have worked on has a motor noise in tape modethat is noticeable at low or no volume. -HQ COMMENTS: Head amp may be picking up motor noise as they are locatedclose to each other. Try a shield around the motor. | ||
Sony | XR70 | PINCH ROLLER SHAFT | Pinch roller shaft loosening from chassis assy causing to eattapes and have speed changes. | ||
Sony | XR70 | DEFECTIVE Q804 | Tape will not load (drop) properly every time it's loaded.Lever assy in question cocks the drop mechanism when it catches onthreading arm shaft (P/N 3-573-870-0). -HQ COMMENTS: When the cassette springs back out a little after beingloaded into the carri | ||
Sony | XR70 | TAB ADJUSTMENT NEEDED | It will not accept tape. Cause: Eject lever (#387) fails toengage the pin on (#385) when tape is inserted. | ||
Sony | XR70 | ERROR IN MANUAL | Terminal marking for Q303 as shown on PC board incorrect(Emitter and base leads reversed.) The picture on Page 6 of the servicemanual (Supplement #1) is correct but it does not match the silk screenon the PC board. | ||
Sony | XR70 | IMPROVING AMS RESPONSE | AMS would not operate for tapes with less than 4 to 6 secondsof silence. Problem appears most often when rewinding close to thebeginning of the tape. |