8
2-2-1) PERIODIC MAINTENANCE AND SERVICE SCHEDULE
A. In order to effectively maintain the excellent performance and fully utilize the features of this apparatus,
and to lengthen the life of the mechanism and tapes, we strongly urge you to perform periodic
maintenance and inspection, as described below.
After repairing, do the maintenance described below, irrespective of the length of time in use.
B. Cleaning of the Head Drum Ass'y
Clean the Drum assembly with a cleaning cloth soaked in liquid cleaner (alcohol) by placing lightly
against the Drum and slowly revolving the rotating HEAD DRUM Ass'y by hand (Do not rotate the
upper Drum by applying electric power to the motor when cleaning).
Do not move the cleaning cloth in the vertical direction against the heat-tip.
C. Cleaning the tape transporting section.
Clean the tape transporting parts with a cleaning cloth soaked in alcohol.
D. Cleaning of driving section
Clean the driving section with a cloth soaked in alcohol.
E. Routine inspection
Perform maintenance and inspection as separately described depending on the period of time in
use.
Refer to the table of 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 should be cleaned after every 500 hours of use.
TENSION POLE
S SLANT POLE
AC HEAD/AE HEAD
S GUIDE POST
VIDEO HEAD/DRUM
T GUIDE POST
FE HEAD
T SLANT POLE
CAPSTAN SHAFT
S GUIDE ROLLER
T GUIDE ROLLER
PINCH ROLLER
VERTICAL POST
As the above parts contact with the video tape, they tend to collect dust particles. If they are stained
with dust or foreign substance it has a bad effect on the picture and may lead to damage of the tape.
After cleaning with alcohol, allow the parts to dry thoroughly before using a cassette tape.
b. Cleaning of Driving section
REEL TABLE
CAPSTAN FLYWHEEL/PULLEY
REEL PULLEY
B. LUBRICATION
S REEL POST
T REEL TABLE POST
REEL GEAR POST
After cleaning these parts with alcohol, lubricate these with one or two drops of oil.
2-2. PERIODIC MAINTENANCE AND SERVICE SCHEDULE
Summary of Contents for GB14H3
Page 5: ...4 CIRCUIT BLOCK DIAGRAM ...
Page 12: ... 11 SCHEMATIC DIAGRAM ...
Page 13: ... 12 SCHEMATIC DIAGRAM ...
Page 14: ...13 EXPLODED VIEW 1 14H3 ...
Page 15: ...14 EXPLODED VIEW 2 14H4 ...
Page 16: ...15 EXPLODED VIEW 3 20H3 ...
Page 17: ...16 EXPLODED VIEW 4 20H4 ...
Page 18: ...17 EXPLODED VIEW 5 21H4 ...
Page 19: ......
Page 20: ......
Page 58: ...3 1 2 1 WIRE DIAGRAM 1 2WIREDIAGRAM ...
Page 62: ...7 2 1 2 PARTS LOCATION OF FRONT LOADING ASS Y A TOP VIEW B FRONT VIEW ...
Page 92: ...37 6 EXPLODEDVIEWANDPARTSLIST 6 1 EXPLODEDVIEWOFDECKASS Y TOPVIEW ...
Page 93: ...38 6 2 EXPLODEDVIEWOFDECKASS Y BOTTOMVIEW ...
Page 94: ...39 6 3 EXPLODEDVIEWOFF LASS Y ...
Page 95: ...40 ...