Preventive Checks And Service Intervals - Toshiba VTV1555 Service Manual

PREVENTIVE CHECKS AND SERVICE INTERVALS

The following standard table depends on environmental conditions and usage.
Parts replacing time does not mean the life span for individual parts.
Also, long term storage or misuse may cause transformation and aging of rubber parts.
The following list means standard hours, so the checking hours depends on the conditions.
Parts Name
Audio Control Head
Full Erase Head
(Recorder only)
Capstan Belt
Pinch Roller
Capstan DD Unit
Loading Motor
Tension Band
T Brake Band
Clutch Ass'y
Idler Arm Ass'y
Capstan Shaft
Tape Running
Guide Post
Cylinder Unit
: Clean
: Check it and if necessary, replace it.
CONFIRMATION OF HOURS USED
POWER ON total hours and PLAY/REC total hours can be checked on the screen.
Total hours are displayed in 16 system of notation.
NOTE: If you set a factory initialization, the total hours is reset to "0".
The confirmation of using hours will not be possible if clock has been set. To reset clock, either unplug
AC cord and allow at least 30 minutes before Power On or alternatively, discharge backup capacitor.
1. Set the VOLUME to minimum.
2. Press both VOL. DOWN button on the set and the Channel button (6) on the remote control for more than 2 seconds.
3. After the confirmation of using hours, turn off the power.
(16 x 16 x 16 x thousands digit value) + (16 x 16 x hundreds digit value) + (16 x tens digit value) + (ones digit value)
Time
500 1,000
hours
hours
1,500 2,000 2,500
hours hours hours
INIT 0B4 00 Initial setting content of MEMORY IC.
POWER ON total hours.
POWER ON 0010
PLAY/REC total hours.
PLAY/REC 0010
C3-1
Notes
Clean those parts in
contact with the tape.
Clean the rubber, and parts
which the rubber touches.
Replace when rolling
becomes abnormal.
Clean the Head