Sony Betacam SX DNV-5 Maintenance Manual page 174

4-2-1. Tape Running Adjustment
Drum exit side
Confirmation
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 2.
If specifications 2 are not satisfied, perform steps
8 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 2.
If specifications 2 are not satisfied, perform steps
8 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 2.
If specifications 2 are not satisfied, perform steps
8 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 2.
If specifications 2 are not satisfied, perform steps
8 and later.
5. F FWD state (Tape end portion)
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 2.
If specifications 2 are not satisfied, perform steps
8 and later.
6. REW state (Tape end portion)
Put the tape end portion (50:00 to 60:00) of the
cassette tape BCT-60SX into the REW state.
At that time, confirm that the tape runs according
to specifications 2.
If specifications 2 are not satisfied, perform steps
8 and later.
4-16
T1 tape guide
T2 tape guide
Drum lead
Drum assembly
Tape runs in contact with
the upper flange.
Drum
T1 T2
Tape runs in contact with
Drum lead
the lower flange.
Curl
Tape
Specifications 2:
(A) T4 tape guide
Tape runs in contact with the lower flange.
(In the FF or REW 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) T3 tape guide
Tape runs in contact with the upper flange.
(In the FF or REW 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.
(C) T2 tape guide
Tape runs in contact with the lower flange.
No tape curl should be allowed. (In the REW state, 1/10 or below
of tape width is allowed.)
(D) T1 tape guide
Tape runs in contact with the upper flange.
The allowable tape curl is 1/10 or below of the tape width.
(E) Drum lead
Tape runs in contact with the drum lead surface.
No tape curl should be allowed.
TC head
Capstan
T3 tape guide
Pinch roller
T4 tape guide
Pinch roller
Tape runs in contact with
Capstan
the upper flange.
T3 T4
Tape runs in contact with
the lower flange.
Upper flange
The tape curl is less than
1/10 of the tape width.
Lower flange
DNV-5
DNW-7/90/90WS