Zenith TVBR1342Z Service Manual page 23

PREVENTIVE CHECKS AND SERVICE INTERVALS
The following standard table depends on environmental conditions and usage. Unless maintenance is properly
carried out, the following service intervals may be quite shortened as harmful effects may be had on other parts.
Also, long term storage or misuse may cause transformation and aging of rubber parts.
Time
Parts Name
Audio Control Head
Full Erase Head
(Recorder only)
Capstan Belt
Pinch Roller
Capstan DD Unit
Loading Motor
Tension Band
Capstan Shaft
Tape Running
Guide Post
Cylinder Unit
: Clean
: Replace
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: The confirmation of hours used will not be possible if clock has been set. To reset clock, either unplug
AC cord and allow at least 5 seconds before Power On.
1. Set the VOLUME to minimum.
2. While holding down VOLUME button on front cabinet, press key 6 on remote control simultaneously.
3. After the confirmation of hours used, 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)
CM152
500 1,000 1,500
hours hours hours
INIT
POWER ON
PLAY/REC
2,000 3,000
hours hours
00 83
Initial setting content of MEMORY IC.
0010
POWER ON total hours.
0003
PLAY/REC total hours.
2-15
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
SERVICING