Sony DNW-A22 Maintenance Manual page 66

Digital videocassette player
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3-2. Details of Error Messages
ERROR-0A THREADING TROUBLE
(THREADING)
Description:
It was detected that the tape top processing in the thread state is not completed.
Detecting condition:
When the tape top is detected again after it is processed.
Tape top processing
In this processing, the tape is slightly forwarded without taking out the tape after unthread because the
tape top was detected during threading.
(Short FF)
Sub error message:
None
Possible causes:
. Take-up reel motor trouble
. Servo adjustment defect on take-up reel
. Take-up reel motor drive circuit (DR-315 board) trouble
. Tape top sensor trouble
. Tape top detection circuit (MS-50 board) trouble
. Tape top input port (IC115 on SS-63 board) trouble
. Tape abnormality
Protecting operation:
Enters the rest state in the unthread end state.
ERROR-10 HUMID
(HUMID)
Description:
Dew condensation was detected.
Detecting condition:
When the condensation sensor detects dew condensation continuously for about
two seconds.
Sub error message:
None
Possible causes:
. Actual dew detection (When the operating environment rapidly changes from
. Condensation sensor trouble
. Dew input port (IC1 on MS-50 board) trouble
Protecting operations:
Prohibits the cleaning roller operation.
Stops the tape transport and enters the rest state in the unthread end state when
the tape is threaded in states other than PLAY mode.
Prohibits the tape threading.
Prohibits the cassette insertion.
3-10
low temperature to high temperature and high humidity)
DNW-A22/A22P

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