Troubleshooting and Maintenance 8 Chapter
Periodic Maintenance
Digital hours meter
The digital hours meter can provide seven items of information about the operational history of the unit. The information can be displayed in the display section of the lower control panel and also, by text superimposition, on the monitor connected to the unit. Use the information as a guide in scheduling periodic maintenance.
For periodic maintenance, cousult your Sony dearler.
Display modes of the digital hours meter
H01: OPERATION mode
Displays the total number of hours the unit has been powered on in units of 1 hour.
H02: DRUM RUNNING mode
Displays the total number of hours the drum has run with tape threaded in units of 1 hour.
H03: TAPE RUNNING mode
Displays the total number of hours the unit has been in fast forward, rewind, playback, search, recording or editing (except for stop and still) mode in units of 1 hour.
H04: THREADING mode
Display the total number of times tape has been threaded in the unit.
H12: DRUM RUNNING mode (resettable) Same as H02 except that the count is resettable. This can be used as a guide in determining when to replace the drum.
H13: TAPE RUNNING mode (resettable) Same as H03 except that the count is resettable. This can be used as a guide in determining when to replace such components as stationary heads and pinch roller.
H14: THREADING mode (resettable) Same as H04 except that the count is resettable. This can be used as a guide in determining when to replace, for example, the threading motor.
To display the hours meter
Press the MENU button, then turn the search dial to display the required item in the display section and on the monitor connected to the unit.
COUNTER SEL button
Display section
Search dial
SET button
MENU button
To exit from the hours meter
Press the MENU button or SET button.
To jump to H01
Press the MENU button, then the COUNTER SEL button.
Every time you press the COUNTER SEL button, menu item H01 or B01 is recalled alternately.
134 | Chapter 8 Maintenance and Troubleshooting |