8-22
HDW-750/750CE V1
Drum entrance side
Check Procedure
1. PLAY state (tape top portion)
Enter the PLAY state using a tape top (from 01 :
00 to 05 : 00) of the cassette tape BCT-40HD.
Check to see that tape runs while satisfying the
specification 1.
If the specification 1 is not satisfied, perform step
7 and higher.
2. F FWD state (tape top portion)
Enter the F FWD state using a tape top (from 01 :
00 to 05 : 00) of the cassette tape BCT-40HD.
Check to see that tape runs while satisfying the
specification 1.
If the specification 1 is not satisfied, perform step
7 and higher.
3. REW state (tape top portion)
Enter the REW state using a tape top (from 01 :
00 to 05 : 00) of the cassette tape BCT-40HD.
Check to see that tape runs while satisfying the
specification 1.
If the specification 1 is not satisfied, perform step
7 and higher.
4. PLAY state (tape end portion)
Enter the PLAY state using a tape end (from 35 :
00 to 40 : 00) of the cassette tape BCT-40HD.
Check to see that tape runs while satisfying the
specification 1.
If the specification 1 is not satisfied, perform step
7 and higher.
5. F FWD state (tape end portion)
Enter the F FWD state using a tape end (from 35 :
00 to 40 : 00) of the cassette tape BCT-40HD.
Check to see that tape runs while satisfying the
specification 1.
If the specification 1 is not satisfied, perform step
7 and higher.
6. REW state (tape end portion)
Enter the REW state using a tape end (from 35 :
00 to 40 : 00) of the cassette tape BCT-40HD.
Check to see that tape runs while satisfying the
specification 1.
If the specification 1 is not satisfied, perform step
7 and higher.
Specifications 1 :
(A) S5 tape guide
Tape curl must not exist either upper flange and lower flange.
Clearance must exist between tape and the upper flange during REW.
(B) S3 tape guide
Amount of tape curl at the upper or lower flange must be smaller than
the allowable limits.
Amount of tape curl must be less than 1/10 of tape width.
(C) S2 tape guide
Amount of tape curl at the upper or lower flange must be smaller than
the allowable limits.
Amount of tape curl must be less than 1/10 of tape width.
(D) S1 tape guide
Tape runs while keeping contact with the upper flange.
Amount of tape curl at the upper or lower flange must be smaller than
the allowable limits.
Amount of tape curl must be less than 1/10 of tape width.
(E) Drum rabbet guide
Tape runs while keeping contact with the drum rabbet guide and
must not have any curl.
Drum
assembly
S1 tape guide
S2 tape guide
CTL head
FE head assembly
S3 tape guide
S4 tape guide
S5 tape guide
End sensor assembly
Full top sensor
assembly
Drum rabbet guide
Video heads
Tape runs while
keeping contact with
the upper flange.
S5
S4
S2 S1
FE head
CTL head
Cleaning blade
Drum
Tape runs while keeping
contact with the lower flange.
Tape runs while keeping
contact with the lower flange.
Tape
Lower flange
Curl
Upper flange
Amount of tape curl
must be less than
1/10 of tape width.
Drum rabbet
guide
.
Allowance of tape curl
S3
Clearance must exist
between tape and
the upper flange
during REW.
8-2. Tape Run System Adjustment