2
HDW-250
3. Maintenance Mode
3-1.
Setup Menu ................................................................................................. 3-1
3-2.
DIAG Menu .............................................................................................. 3-12
3-3.
ISR ............................................................................................................. 3-19
4. Block Diagram and Circuit Description
5. Periodic Maintenance and Inspection
5-1.
Maintenance after Using the Unit under Special Environment .................. 5-1
5-2.
Cleaning ...................................................................................................... 5-1
5-2-1.
General Information for Cleaning Using a Cleaning Cloth ....... 5-2
5-2-2.
Cleaning Procedure Using Cleaning Cassette Tape ................... 5-2
5-2-3.
Cleaning the Tape Running Surface of the Upper Drum
and Video Heads ........................................................................ 5-3
5-2-4.
Cleaning the Tape Running Surface of the Lower Drum
and Lead Surface ........................................................................ 5-4
5-2-5.
Cleaning the Stationary Heads ................................................... 5-5
5-2-6.
Cleaning the Tape Running System and Tape Cleaner .............. 5-6
5-2-7.
Cleaning the Fan Motor ............................................................. 5-7
5-3.
Periodic Check ............................................................................................ 5-8
5-3-1.
Hours Meter ............................................................................... 5-8
5-3-2.
Periodic Check List .................................................................... 5-8
6. Spare Parts
6-1.
Notes on Repair Parts .................................................................................. 6-1
6-2.
Exploded Views .......................................................................................... 6-2
