DAEWOO ELECTRONICS DR-C912B, Service Manual

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2.2 PERIODIC MAINTENANCE AND SERVICE
SCHEDULE
2.2.1) Periodic maintenance and Service Schedule
A. In order to effectively maintain the excellent performance and
fully utilize the features of this apperatus and to lengthen the life
of mechanism and tapes, we strongly urge you to perform
the periodic maintenance and inspection as described below.
¥ Following should be done after the substition of parts of deck or
correction of deck failure.
B. Cleaning of the DRUM TOTAL ASS‘Y
- Slowly turnning DRUM TOTAL ASS‘Y, wipe the drum surface
with clean cloth soaked in alchol. (Don t connect the power when
turnning the UPPER DRUM)
- Don t wipe the Head-Tip vertically with cleaning cloths.
C. Tape transporting section cleaning
- Clean the tape transporting section with clean cloth soaked in
alchol.
D. Driving section cleaning
- Clean the driving section with clean cloth soaked in alchol.
E. Everyday inspection
- Perform the maintenance and inspection periodically according
to the number of use.
- Refer to the table 2.2.3.
2.2.2) Cleaning and Lubrication
A. Cleaning of Tape Transporting section and driving section
a. Cleaning of Tape Transporting section
- The following parts shoule be cleaned after every 500 hours
of use.
¥ TENSION POLE ¥ S SLANT POLE
¥ AC HEAD/AE HEAD ¥ GUIDE POST
¥ VIDEOHEAD / DRUM ¥ T GUIDE POST
¥ FE HEAD ¥ T SLANT POLE
¥ CAPSTASN SHAFT ¥ S GUIDE ROLLER
¥ T GUIDE ROLLER ¥ PINCH ROLLER
- Because the above part contact with video tape, they tend
to be stained with dusts and foreign substances which make
the bad effect on the picture and sometimes lead to the tape
damage.
- Be sure to check the remained alchol during cleaning evapo-
rated thoroughly before using a tape.
b. Cleaning of the driving section
¥ REEL TABLE
¥ CAPSTAN FLYWHEEL/PULLEY
¥ REEL PULLEY
B. Lubrication
¥ REEL GEAR POST : After the cleaning the parts with alchol,
lubricate them with one or twol drops of ool
¥ S/T REEL TABLE POST : After the cleaning the parts with alchol,
lubricate them with grease.
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ASSEMBLY DIAGRAM AND A/S
2.2.3) Service Sechedule for each parts
Following parts should be checked according to the recommanded intervals
: Check and replace if necessary. : Replace
Period Service (Hours)
PART Name 1000 2000 3000 4000 5000
DRUM TOTAL ASS Y
CAPSTAN MOTOR
L/C BRKT TOTAL ASS Y
REEL BELT
IDLER PLATE TOTAL ASS Y
REEL TABLE
T BRAKE ASS Y
TENSION BAND ASS Y
PINCH ROLLER ASS Y
AC HEAD ASS Y
FE HEAD
REEL BRKT TOTAL ASS Y
NOTE:
Independant of the above service shedule, Cleaning and lubrication and replacement of the belt sould be undertaken every 2 years.
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