4-3. Mechanical adjustments

Check

1. REC Mode Setting

Insert a FWD back tension measuring cassette tape, and put into the recording mode.

2. FWD Back Tension Check

Check that the value of the FWD back tension measuring cassette tape at the S side satisfies the specification. If the specification is not satisfied, perform step 3 and higher after checking that the value is larger or smaller than the specification.

Adjustment

3. EJECT Mode Setting

Eject the FWD back tension measuring cassette tape.

4. Back Tension Adjustment

Change the position of the spring on the tension regulator arm block.

Reference of adjustment

.If the value is larger than the specification, move the position of the spring to the direction b.

.If the value is smaller than the specification, move the position of the spring to the direction a.

5.FWD Back Tension Check After Adjustment

Perform out the steps 1 and 2 and check that the value satisfies the specification.

n

If the value is not satisfies the specification after performing step 4, move the position of the spring at the drawer arm side to the direction c. Perform step 4 again and re-adjust.

4-122

 

 

FWD back tension measuring

Cassette compartment

 

cassette tape

a

b

Spec. : 52 +00..051 x10_2 N.m

 

 

(52_+105 gf.cm)

 

 

Drawer arm

Spring

 

 

c

 

 

 

 

DVW-790WS/709WS/707

 

 

DVW-790WSP/709WSP/707P P2V1

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Image 206
Sony DVW-790WS/790WSP, DVW-709WS/709WSP manual Check REC Mode Setting, FWD Back Tension Check, Adjustment Eject Mode Setting