Sony DVW-709WS/709WSP, DVW-790WS/790WSP

4-28 DVW-790WS/709WS/707

DVW-790WSP/709WSP/707P P2V1

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.

.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.)

After cleaning, be sure to wipe the relevant areas

using a dry cleaning cloth.

Drum assembly

Positioning pin

Video heads

PSW 2x5

PSW 2x5PSW 2x5

4-2. Parts Replacement