Sony DVW-709WS/709WSP manual Tape Running Adjustment, Drum Entrance Side Tools, Specifications

5-1. Tape Running Adjustment

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

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)
S3 tape guide	S2 tape guide
FE head	S1 tape guide
CTL head
Tape end sensor
S4 tape guide
S5 tape guide
Drum assembly

DVW-790WS/709WS/707	5-3
DVW-790WSP/709WSP/707P P2V1