Sony Betacam SX DNV-5 Maintenance Manual page 172

4-2-1. Tape Running Adjustment
Drum entrance side
Confirmations
1. PLAY state (Tape top portion)
Put the tape top portion (01:00 to 10:00) of the
cassette tape BCT-60SX into the PLAY state.
At that time, confirm that the tape runs according
to specifications 1.
If specifications 1 are not satisfied, perform steps
7 and later.
2. F FWD state (Tape top portion)
Put the tape top portion (01:00 to 10:00) of the
cassette tape BCT-60SX into the F FWD state.
At that time, confirm that the tape runs according
to specifications 1.
If specifications 1 are not satisfied, perform steps
7 and later.
3. REW state (Tape top portion)
Put the tape top portion (01:00 to 10:00) of the
cassette tape BCT-60SX into the REW state.
At that time, confirm that the tape runs according
to specifications 1.
If specifications 1 are not satisfied, perform steps
7 and later.
4. PLAY state (Tape end portion)
Put the tape end portion (50:00 to 60:00) of the
cassette tape BCT-60SX into the PLAY state.
At that time, confirm that the tape runs according
to specifications 1.
If specifications 1 are not satisfied, perform steps
7 and later.
5. F FWD state (Tape end state)
Put the tape end portion (50:00 to 60:00) of the
cassette tape BCT-60SX into the F FWD state.
At that time, confirm that the tape runs according
to specifications 1.
If specifications 1 are not satisfied, perform steps
7 and later.
4-14
S3 tape guide
S4 tape guide
S5 tape guide
Tape end sensor
Full top sensor
Tape runs in contact with
the lower flange. Tape cleaner
FE head
S5 S4 S3
Tape runs in contact with
the upper flange.
Curl
Tape
Specifications 1:
(A) S3 tape guide
Tape runs in contact with the upper flange.
(In the FF or REV state, the tape runs in contact with the upper or
lower flange.)
The allowable tape curl is 1/10 or below of the tape width.
(B) S2 tape guide
Tape runs in contact with the lower flange.
No tape curl should be allowed. (In the REV state, 1/10 or below of
tape width is allowed.)
(C) S1 tape guide
Tape runs in contact with the upper flange.
The allowable tape curl is 1/10 or below of the tape width.
(D) Drum lead
Tape runs in contact with the drum lead surface.
No tape curl should be allowed.
FE head
Tape cleaner
CTL head
S2 tape guide
S1 tape guide
Drum assembly
Video heads
Drum lead
Tape runs in contact with
the upper flange.
CTL head
Drum
S2 S1
Tape runs in contact with
the lower flange.
Drum lead
Upper flange.
The tape curl is less than
1/10 of the tape width.
Lower flange
DNW-7/90/90WS
DNV-5