Sony DVW-790WS/790WSP Tension Regulator Operating Position Check, Adjustment Position Adjustment

4-3. Mechanical adjustments

2.Tension Regulator Operating Position Check

Check that the position of the boss on the tension regulator shown in the figure satisfies the follow- ing specification.

Specification : The boss is positioned between the outer circumference of the boss touches the elongation line of the edge portion of tape end sensor bracket (black color) and the center of the boss is on the elongation line of the edge por- tion of the tape end sensor brack- et.

If the specification is not satisfied, check that the position of the boss shifts to either direction A or B against the elongation line of the edge portion of tape end sensor bracket. After checking, perform step 3.

Adjustment

3. Position Adjustment

(1)Loosen the screw of the band base about 1/3 turn.

(2)Put the (_) 3 mm screwdriver in the notch shown in the figure and adjust the position of the band base so that satisfies the specifica- tion.

Point for adjustment

.If the tension regulator shifts to the direction A, turn the screwdriver clockwise.

.If the tension regulator shifts to the direction B, turn the screwdriver counterclockwise.

(3)While keeping the state of step the (2), tighten the screw of the band base.

4. Mode Cancel

Press the EJECT button and put the unit is in the unthreading end mode.

5.FWD Back Tension Adjustment

Carry out the FWD back tension adjustment. (Refer to section 4-3-2.)

4-120

			Tepe end sensor
			Tension regulator
	S4 tape guide			Brake band
(_) 3 mm screwdriver
	Screw
Notch	Band base			Band base
		Boss
	Tape end sensor bracket
	Tape end sensor		B Tension regulator
	S4 guide		A
			a	a
NG	OK (contact)		OK	OK
(a < 0)	(a = 0)	(a = 1 mm)		(a > 1 mm)
	Spec.
	0 mm<a<1mm

DVW-790WS/709WS/707

DVW-790WSP/709WSP/707P P2V1