Toshiba MW27F51 Service Manual - Page 39

Preventive Checks And Service Intervals

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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. Time 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 500 hours 1,000 hours 1,500 hours 2,000 hours 2,500 hours 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 : 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". 1. Turn on the POWER, and set to the TV mode. 2. Set the VOLUME to minimum. 3. Press both VOL. DOWN button on the set and the Channel button (6) on the remote control for more than 2 seconds. 4. After the confirmation of using hours, turn off the power. INIT 00 0E POWER ON 0010 PLAY/REC 0003 ROM VER :0000 Initial setting content of MEMORY IC. POWER ON total hours. PLAY/REC total hours. (16 x 16 x 16 x thousands digit value) + (16 x 16 x hundreds digit value) + (16 x tens digit value) + (ones digit value) C3-1

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C3-1
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.
: Clean
: Check it and if necessary, replace it.
Time
Parts Name
500
hours
1,000
hours
Notes
1,500
hours
2,000
hours
2,500
hours
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 those parts in
contact with the tape.
Clean the rubber, and parts
which the rubber touches.
Replace when rolling
becomes abnormal.
Clean the Head
T Brake Band
Clutch Ass’y
Idler Arm Ass’y
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".
1.
2.
3.
4.
POWER ON total hours.
PLAY/REC total hours.
(16 x 16 x 16 x thousands digit value) + (16 x 16 x hundreds digit value) + (16 x tens digit value) + (ones digit value)
Initial setting content of MEMORY IC.
Turn on the POWER, and set to the TV mode.
Set the VOLUME to minimum.
Press both VOL. DOWN button on the set and the Channel button
(6)
on the remote control for more than 2 seconds.
After the confirmation of using hours, turn off the power.
INIT
00
0E
POWER ON
0010
PLAY/REC
0003
ROM VER :0000