Sony DNW-A75 Maintenance Manual page 81

ERROR-11 TAPE TOP/END SENSOR TROUBLE
(TAPE T/E SENSOR)
Description: The tape top and tape end were detected simultaneously.
Detecting condition: When the simultaneous detection of the tape end and tape top is continued for
more than seven seconds.
Sub error message: None
. Tape top sensor or tape end sensor trouble
Possible causes:
. Tape top or tape end detection circuit (MS-58 board) trouble
. Tape top/tape end input port (IC115 on SS-83 board) trouble
. Harness disconnection
Protecting operation: Stops the tape transport and enters the rest state during tape transport.
ERROR-12 TAPE TOP SENSOR TROUBLE
(TAPE TOP SENSOR)
Description: Malfunction of tape top sensor was detected.
Detecting condition: When the tape top is detected continuously for more than seven seconds.
Sub error message: None
. Tape top sensor trouble
Possible causes:
. Tape top detection circuit (MS-58 board) trouble
. Tape top input port (IC115 on SS-83 board) trouble
. Harness disconnection
. The tape cannot move at the tape top due to troubles other than the tape
Protecting operations: In the FF mode, continues the operation until the tape end is detected. Stops the
tape transport and enters the rest state when the tape end is detected.
During tape transport in forward direction, the FF mode can be entered only
while the total tape quantity is observed.
Stops the tape transport and enters the rest state during tape transport except the
above.
DNW-A75/A75P
sensor.
3-2. Details of Error Messages
3-11