Sony HDW-F500 Maintenance Manual page 107

ERROR-20 CASSETTE COMPARTMENT MOTOR LOCK
Description: Abnormal condition during cassette compartment operations is detected.
Detecting condition:
When operations are not completed even after a specified time from the start of cassette
compartment operations.
Possible causes:
. Cassette compartment unit defective.
. Cassette compartment motor drive circuit (DR-307 board) malfunction.
. Cassette down sensor (CL-29 board) defective.
. Harness disconnection.
Protecting operations:
The operations of the cassette compartment are stopped. Thereafter only ejection of cassette
tape is operated.
However the cassette tape may not be ejected in some cases even if instructions to eject the
cassette tape are given.
n
If the cassette tape is not ejected, be ensure to remove the cassette tape with your hand after turning the
power OFF.
If the power is turned ON again without removing the cassette tape, the tape may be damaged.
(Refer to "2-12. Removing the Cassette Tape When Tape Slack Occurs".)
ERROR-21 REEL SHIFT MOTOR LOCK
Description: Abnormal condition during movement of the reel tables in accordance with the cassette sizes
was detected.
Detecting condition:
When operations are not completed even after a specified time from the start of reel table
operations.
Possible causes:
. Reel shift mechanism defective.
. Reel shift motor defective.
. Reel shift motor drive circuit (DR-307 board) malfunction.
. S position sensor or L position sensor (PTC-71 board) defective.
Protecting operations:
The operations of the reel table are stopped, and the cassette tape is ejected.
After the cassette tape is ejected, cassette tape insertion is prohibited.
HDW-F500E MMP1
3-2. Error Messages
3-15