Tape-Running Check And Adjustment - Sony DNW-A100 Maintenance Manual

7-1-2. Tape-running Check and Adjustment

7-1-2. Tape-running Check and Adjustment
Note
The tape-running is closely related to the height of the S and T reel tables. Check the
height of the S and T reel tables before this tape running check and adjustment.
(Refer to Section 5-9-4.)
Tape Approaching Side
Tools
. Betacam cassette (S cassette):
. Adjustment mirror (circular):
. Tape guide adjustment driver (MW-261): J-6322-610-A
Check
1. Set the S Cassette Tape
(1) Set the reel tables to the S cassette position.
(Refer to Section 5-1-3.)
(2) Set the S cassette and put a weight on the
cassette so that it does not rise up.
Weight about 1000 g is suitable.
2. Turn the Power On
3. PLAY Mode
Check that the tape-running condition satisfies
specification 1.
If specification 1 is not satisfied, perform steps 9
and 10.
4. REV 10 Mode
x
Check that the tape-running condition satisfies
specification 1.
If specification 1 is not satisfied, perform steps 9
and 10.
5. F. FWD Mode
Check that the tape-running condition satisfies
specification 1.
If specification 1 is not satisfied, perform steps 9
and 10.
6. REW Mode
Check that the tape-running condition satisfies
specification 1.
If specification 1 is not satisfied, perform steps 9
and 10.
7-8
BCT-30MA
J-6080-029-A
7. REV 1 Mode
x
Check that the tape-running condition satisfies specifica-
tion 1.
If specification 1 is not satisfied, perform steps 9 and 10.
8. VAR _ _ _ _ _ 1/30 Mode
x
Check that the tape-running condition satisfies specifica-
tion 1.
If specification 1 is not satisfied, perform steps 9 and 10.
1TG-0
Full erase head
1
Spec.1: TG-0
The tape runs without any curl at the upper and lower
flanges.
2
TG-1 (S tension regulator)
The tape runs in contact with the upper flange.
The tape curl is less than 1/10 of the tape width.
3
TG-2 (Entrance guide)
The tape runs in contact with the upper flange.
The tape curl is less than 1/10 of the tape width.
4
Lead of drum entrance side
The tape runs in contact with the drum lead and
without any curl at the lead.
Tape Running Check at Tape Approaching Side
2TG-1
3TG-2
(S tension
(Entrance guide) 4Lead of drum
regulator)
CTL head
entrance side
DNW-A100/A50/A45
DNW-A100P/A50P/A45P