Sony HDW-250 Maintenance Manual page 6

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
5-3. Periodic Check ............................................................................................ 5-8
6. Spare Parts
6-1. Notes on Repair Parts .................................................................................. 6-1
6-2. Exploded Views .......................................................................................... 6-2
2
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
5-3-1. Hours Meter ............................................................................... 5-8
5-3-2. Periodic Check List .................................................................... 5-8
HDW-250