5-3
DVW-790WS/709WS/707
DVW-790WSP/709WSP/707P P2V1
5-1. Tape Running Adjustment
Notes
.
When carrying out the tape running adjustment after replacing the part of the tape path system, first carry
out the checks and adjustments of the tape running using a Digital Betacam cassette tape BCT-D40.
Next carry out the checks and fine adjustments of the tape running using an alignment tape ZR2-1/P.
.The following checks and adjustments are described in the state that the alignment tape ZR2-1/P uses.
.Tighten the screws at the top of the tape guides to the following tightening torque.
9x10_2 N.m (0.9 kgf.cm)
.After adjustment, be sure to check the video tracking adjustment.
After checking, put a locking compound to the screws at the top of each tape guide.
Drum Entrance Side
Tools
.Tape guide adjustment screwdriver (45) : J-6322-420-B
.Inspection mirror : J-6080-840-A
.Alignment tape, ZR2-1 (for NTSC) : 8-960-073-11
.Alignment tape, ZR2-1P (for PAL) : 8-960-073-61
.Cassette tape, BCT-D40 : Standard products
5-1. Tape Running Adjustment
Checks
1. PLAY Mode
(Playing back the tape top)
Enter the play mode at the tape top of ZR2-1/P
(from 5 minute to 10 minute segment).
Check that the tape running conditions satisfy the
specifications 1.
If the specifications 1 is not satisfied, perform
step 8 and higher.
Specifications 1 :
(A) S5 guide
There must a clearance between top edge of
the tape and the upper flange, and a clearance
between the bottom edge of the tape and the
lower flange.
Ratio of the top clearance to the bottom
clearance is 3/2 to 2/3 as the clearance
specification.
(B) Tension regulator guide
Tape must run while maintaining contact
with the upper flange.
Acceptable range of the tape curl is 1/10 or
less of a tape width.
(C) S2 guide
Tape must run while maintaining contact
with the upper flange.
Acceptable range of the tape curl is 1/10 or
less of a tape width.
(D) Drum lead
Tape must run while maintaining contact
with the drum rabbet guide without any curl.
Drum Entrance Side (Threading End Mode)
S5 tape guide
S4 tape guide
S3 tape guide S2 tape guide
S1 tape guide
Tape end sensor
FE head
CTL head
Drum assembly