4-2. Parts Replacement

5. Drum Assembly Installation

(1)Hold the new drum assembly and connect the three connectors (CN1, CN2 and CN3) which are disconnected in step 3.

m

. Be sure to hold the areas where video heads are not installed.

. Take care not to touch the drum assembly against the CTL head, CUE/TC head and the peripheral tape guides.

(2)Put the two positioning pins of the chassis to the holes of the drum assembly.

(3)Move the drum assembly a little and check that the drum assembly is inserted to in the po- sitioning pins.

(4)Tighten the three screws.

6.Connection of the Brush Assembly Connector

Connect the connector to the brush assembly board.

7. Video Head Cleaner Installation

Put the video head cleaner onto the surface of the unit using a pair of tweezers and tighten the screw.

8.Cleaning of Video Heads and Tape Running Surface

Clean the following areas using a cleaning cloth moistened with cleaning fluid.

.Video heads (Refer to section 7-1-2 of Mainte- nance Manual Part 1.)

.Tape running surface of the upper drum (Refer to section 7-1-2 of Maintenance Manual Part 1.)

.Tape running surface and lead of the lower drum (Refer to section 7-1-3 of Maintenance Manual Part 1.)

n

After cleaning, be sure to wipe the relevant areas using a dry cleaning cloth.

4-28

 

PSW 2x5

Drum assembly

 

PSW 2x5

PSW 2x5

 

 

Video heads

 

Positioning pin

DVW-790WS/709WS/707

DVW-790WSP/709WSP/707P P2V1

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Image 112
Sony DVW-790WS/790WSP, DVW-709WS/709WSP manual Drum Assembly Installation, Connection of the Brush Assembly Connector