Threading Ring Assembly Replacement - Sony GY-8240UWD Maintenance Manual

3-20. Threading Ring Assembly Replacement

Outline
Replacement
1. Disconnecting the Flexible Card Wires (CN2/HN-258 Board, CN2/CT-205 Board)
2. Disconnecting the Harness (CTL/TC Head Board)
3. Removing the PA Guard (Refer to step 2 in Section 3-15.)
4. Removing the W Cleaner Assembly (Refer to steps 1 and 2 in Section 3-5.)
5. Removing the CL Guide Rail
6. Removing the Pinch Press Assembly (Refer to steps 1 and 2 in Section 3-10.)
7. Removing the S Plate Assembly
8. Removing the S Tension Regulator Assembly (Refer to step 1 in Section 3-21.)
9. Removing the T Drawer Assembly (Refer to steps 1 and 2 in Section 3-23-1.)
10. Removing the Gear Box Assembly (Refer to steps 1 to 3 in Section 3-18.)
11. Removing the Ring Roller
12. Removing the Threading Ring Assembly
13. Cleaning (Threading Ring Assembly)
14. Installing the Threading Ring Assembly
15. Installing the Ring Roller
16. Installing the Gear Box Assembly (Refer to steps 4 to 6 in Section 3-19.)
17. Confirming the Threading Ring Operation
18. Installing the S Plate Assembly
19. Installing the Pinch Press Assembly (Refer to steps 3 and 4 in Section 3-10.)
20. Putting the Unit into the Unthreading End Mode
21. Installing the S Tension Regulator Assembly (Refer to step 2 in Section 3-21.)
22. Installing the T Drawer Assembly (Refer to step 3 in Section 3-23-1.)
23. Confirming the T Drawer Assembly Operation (Refer to step 6 in Section 3-23-1.)
24. Installing the CL Guide Rail
25. Confirming the CL Arm Assembly Operation (Refer to step 3 in Section 3-6.)
26. Installing the W Cleaner Assembly (Refer to steps 4 to 6 in Section 3-5.)
27. Installing the PA Guard (Refer to step 5 in Section 3-15.)
28. Connecting the Flexible Card Wires (CN2/HN-258 Board, CN2/CT-205 Board)
29. Connecting the Harness (CTL/TC Head Board)
Adjustment after Replacement
30. Confirming the Threading mechanism Operation
(CH01: Threading Motor Check) (Refer to Section 5-4-13.)
31. Confirming the Cleaning Solenoid Operation
(CH05: Pinch Poller and Cleaning Roller Solenoid Check) (Refer to Section 5-4-13.)
32. Confirming the Pinch Press Clearance (Refer to step 5 in Section 3-10.)
33. Confirming the Tape Running (Refer to Section 4-3.)
Note
. Two types of the CL Guide Rail and the CL Arm Assembly (Refer to Section 3-6.)
each exist.
CL Arm Assembly
CL Guide Rail
Use the new CL Arm Assembly and the new CL Guide Rail (or the former CL
Arm Assembly and the former CL Guide Rail). Don't use the former one and the
new one. The color of the parts shows the part is former or new.
GY-8240UWD
GY-8240FC
Former New
Part No. Color Part No.
X-3605-789- black X-3608-233-
3-624-986- gray 3-633-561-
3-20. Threading Ring Assembly Replacement
Color
white
white
3-67