Jigs And Tools Required For Disassembly, Assembly And Adjustment; Tools Required For Adjustments - JVC GR-DVP7U Service Manual

2.2 JIGS AND TOOLS REQUIRED FOR DISASSEMBLY,
ASSEMBLY AND ADJUSTMENT

2.2.1 Tools required for adjustments

Torque driver
1
YTU94088
Tweezers
3
P-895
Guide driver (Hexagonal)
5
D-770-1.27
Slit washer installation jig
7
YTU94121A
Communication cable
9
YTU93107A
Alignment tape
11
MC-1
Cassette torque meter
13
YTU94151A
Table 2-2-1
Bit
2
YTU94088-003
Chip IC replacement jig
4
PTS40844-2
Adjustment driver
6
YTU94028
Jig connector cable
8
YTU93106C
PC cable
10
QAM0099-002
Service support system
12
YTU94057-61
Cleaning cloth
14
KSMM-01
1. Torque driver
Be sure to use to fastening the mechanism and exterior
parts because those parts must strictly be controlled for
tightening torque.
2. Bit
This bit is slightly longer than those set in conventional
torque drivers.
3. Tweezers
To be used for removing and installing parts and wires.
4. Chip IC replacement jig
To be used for adjustment of the camera system.
5. Guide driver (Hexagonal)
To be used to turn the guide roller to adjustment of the
linarity of playback envelope.
6. Adjustment driver
To be used for adjustment.
7. Slit washer installation jig
To be used to install slit washers.
8. Jig connector cable
Connected to CN114 of the main board and used for
electrical adjustment, etc.
9. Communication cable
Connect the Communication cable between the PC ca-
ble and Jig connector cable when performing a PC ad-
justment.
10. PC cable
To be used to connect the VideoMovie and a personal
computer with each other when a personal computer is
used for adjustment.
11. Alignment tape
To be used for check and adjustment of interchange-
ability of the mechanism.
12. Service support system
To be used for adjustment with a personal computer.
13. Cassette torque meter
This is used to cheek the back tension and play torque
during mechanism adjustment.
Note: When using the cassette torque meter, install the
service support system software in advance.
• LED : Forced to ON
• EJECT SW : OFF (Cancel)
The above setting is required to prevent any tape
damage that may occur because the cassette
torque meter cannot detect the leading/trailing sec-
tions of the tape.
14. Cleaning cloth
Recommended cleaning cloth to wipe down the video
heads, mechanism (tape transport system), optical lens
surface.
2-2