3-15
DNW-A75/A75P
ERROR-22 REEL POSITION SENSOR TROUBLE
(REEL POS SENSOR)
Description: The L and S cassette positions of the reel table were detected simultaneously.
Detecting condition: When the L and S position sensors detect the L and S cassette positions, respec-
tively at the same time.
Sub error message: None
Possible causes: . S position sensor (PTC-71 board) trouble
. L position sensor (PTC-71 board) trouble
. Reel position input port (IC1 on MS-58 board) trouble
Protecting operation: If possible, ejects the cassette, when an error occurs during cassette insertion.
Prohibits the cassette insertion.
ERROR-23 THREADING RING POSITION ERROR
(THRED RING SENS)
Description: The thread end and unthread end states were detected simultaneously.
Detecting condition: When the thread end and unthread end sensors detect the thread end and un-
thread end states, respectively at the same time.
Sub error message: None
Possible causes: . Thread end sensor (TR-79 board) trouble
. Unthread end sensor (TR-79 board) trouble
. Thread end or unthread end input port (IC1 on MS-58 board) trouble
Protecting operations: Ejects the cassette during cassette insertion or ejection.
Enters the protection mode during tape threading/unthreading.
Stops the tape transport and enters the rest state in cases except the above.
3-2. Details of Error Messages
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