Preventive Checks And Service Intervals - Toshiba MW27H62 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 CHECK SUM, POWER ON TOTAL HOURS, MICON VERSION AND
DIGITAL TV MICON FIRMWARE
Initial total of MEMORY IC, POWER ON total hours, MICON VERSION and Digital TV MICON Firmware 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".
Please refer to "CONFIRMATION OF INITIAL DATA" when SUM DATA is not corresponding.
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 Channel button (8) on the remote control for more than 2 seconds.
After the confirmation of each check sum, POWER ON total hours, MICON VERSION and Digital TV MICON Firmware, turn off
4. the power.
*1 DVP1 is different according to each set.
Digital TV MICON Firmware
Initial setting data check sum.
Rom correction data check sum.
Time 500 1,000
hours hours
PLAY/REC total hours.
MICON Version
1,500 2,000 2,500
hours hours hours
ADDRESS DATA
CRT ON: 0002
PLAY/REC: 0000
OEC7150A_68
DTV cts62265
INIT: 4898
ROM: 0000
FIG. 1
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
POWER ON 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)