Adjustment, Replacement And Assembly Of Mechanical Units; Mechanism Confirmation Adjustment Jig - Sharp VC-A598U Service Manual

VC-A598U/H995U/H996U
-H997U/H9977U/H998U

4. ADJUSTMENT, REPLACEMENT AND ASSEMBLY OF MECHANICAL UNITS

The explanation given below relates to the on-site general service (field service) but it does not relates to the adjustment
and replacement which need high-grade equipment, jigs and skill. For example, the drum assembling, replacement and
adjustment service must be performed by the person who have finished the technical courses.

4-1 MECHANISM CONFIRMATION ADJUSTMENT JIG

So as to perform completely the mechanism adjustment prepare the following special jigs. So as to maintain the initial
performance of the machine the maintenance and check are necessary. Utmost care must be taken so that the tape is
not damaged. If adjustment needs any jig, be sure to use the required jig.
No. Jig ltem
1. Torque Cassette Meter
2.
Torque Gauge
3. Torque Gauge Head
4. Torque Driver
Master Plane Jig and
Reel Disk Height
5.
Adjusting Jig
6. Tension Gauge
Pinch pressing force
7.
measuring jig
Reverse guide height
8.
adjusting box driver
9.
Alignment Tape
Guide roller height
10.
adjustment drive
X value adjustment
11.
gear type screw driver
Reverse Guide Height
12.
Adjusting Jig
Part No. Code
JiGVHT-063 CZ
JiGTG0090 CM
JiGTG1200 CN
JiGTH0006 AW
JiGTD1200 CB
JiGRH0002 BR
JiGMP0001 BY
JiGSG2000 BS
JiGSG0300 BF
JiGADP003 BK
JiGDRiVER11055 AR
VROATSV CD
VROEFZCS BG
OR
VROEFZHS BH
JiGDRiVERH-4 AP
JiGDRiVER-6 BM
JiGRVGH-F18 BU
12
Configuration
This cassette torque meter is used for check-
ing and adjusting the torque of take-up for
measuring tape back tension.
These Jigs are used for checking
and adjusting the torque of take-up
and supply reel disks.
When fixing any part to the threaded
hole using resin with screw, use the
jig. (Specified torque 5 kg)
These Jigs are used for checking
and adjusting the reel disk height.
There are two gauges used for the
tension measurements, 300 g and
2.0kg.
This Jig is used with the tension
gauge. Rotary transformer clearance
adjusting jig.
This Jig is used for height adjustment of the
reverse guide (for reverse guide height ad-
justment).
These tapes are especially used for
electrical fine adjustment.
Video
525 Monoscope
NTSC Color Bar
Black Level
(only SYNC) signal
This screwdriver is used for adjusting the
guide roller height.
For X value adjustment
This Jig is used for height
adjustment of the reverse guide.
Remarks
Audio HiFi Audio Track
7k — 58µm
1k — 58µm
1k
— 19µm
2.3k