Drum Assembly Replacement - Sony GY-8240UWD Maintenance Manual

3-3. Drum Assembly Replacement

3-3. Drum Assembly Replacement
Outline
Replacement
1. Removing the W Cleaner Assembly (Refer to steps 1 and 2 in Section 3-5.)
2. Disconnecting the Flexible Card Wire (CN2/HN-258 Board)
3. Removing the Drum Assembly
4. Cleaning
(Drum Assembly Mounting Surfaces and Chassis Mounting Surfaces)
5. Installing the Drum Assembly
6. Connecting the Flexible Card Wire (CN2/HN-258 Board)
7. Cleaning
(Rotary Heads, Upper Drum's Tape Running Surface and Lower Drum's Tape
Running Surface)
8. Installing the W Cleaner Assembly (Refer to steps 4 to 6 in Section 3-5.)
Adjustment after Replacement
9. Confirming the Drum Motor Operation
(CH08 : Drum Motor Check) (Refer to Section 5-4-13.)
10. Confirming the Tape Running (Refer to Section 4-3.)
11. Adjusting the Tracking (Refer to Section 4-4.)
12. Confirming the Drum Head Height (Refer to Section 4-10.)
13. Adjusting the CTL/TC Head Height (Refer to Section 4-5.)
14. Adjusting the CTL/TC Head Azimuth (Refer to Section 4-6.)
15. Adjusting the CTL/TC Head Position (Refer to Section 4-7.)
16. Adjusting the CONFI Head Height (Refer to Section 4-9.)
17. Performing the Auto PG Adjustment
(3 : Auto PG adjust) (Refer to Section 5-9-6.)
18. Performing the Playback System All Automatic Adjustment (DTF-2)
(RF01: RF PB all adjustment (DTF-2)) (Refer to Section 5-15-1.)
19. Saving the RF System Adjust Data
(RF07: RF data save) (Refer to Section 5-15-3.)
20. Performing the Record System All Automatic Adjustment (DTF-2)
(RF05: RF REC all adjustment (DTF-2)) (Refer to Section 5-15-2.)
21. Saving the RF System Adjust Data
(RF07: RF data save) (Refer to Section 5-15-3.)
22. Confirming the Playback System Error Rate (DTF-1)
(RF12: RF error rate (DTF-1 PB Align)) (Refer to Section 5-15-6.)
23. Meantime, turn the power off.
24. ATF Circuit Operation Check
(4 : ATF operation check) (Refer to Section 5-9-7.)
25. SAT Circuit Operation Check
(5 : SAT operation check) (Refer to Section 5-9-8.)
26. Resetting the Drum Run-1 Hours Meter (Refer to Section 5-4-8.)
3-14
GY-8240UWD
GY-8240FC