Sony DVW-709WS/709WSP, DVW-790WS/790WSP Cassette Compartment Removal, Gear Block Assembly Removal

4-2. Parts Replacement

Preparations

1.Check that the unit is in the unthreading end mode.

2.Turn the power off.

3.Remove the front lid and the outside panel. (Refer to section 1-5 of Maintenance Manual Part 1.)

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The stop washer has been used together with the CUE head block when attaching the CUE head block. When replacing the CUE head block, prepare a new stop washer (3-726-829-01 or 3-559-408-11).

Tools
. Torque screwdriver bit (for M1.4)	: J-6325-110-A
. Torque screwdriver bit (for M2)	: J-6325-380-A
. Torque screwdriver (for 3kg)	: J-6325-400-A
. Stop washer fastening tool	: J-6323-530-A
. Cleaning cloth	: 3-184-527-01
. Cleaning fluid	: 9-919-573-01

Removal

1.Manual Eject Assembly Removal

Remove the screw and the manual eject assembly. (Refer to section 4-1-3.)

2.Cassette Compartment Removal

Remove the three screws and the cassette compart- ment. (Refer to section 1-8 of Maintenance Manual Part 1.)

3.Gear Block Assembly Removal

(1)Disconnect the connector CN3 on the CUE-2 board which attaches to the CUE head block.

(2)Remove the three screws.

(3)Lift up the gear block assembly and disconnect the connector of the tape top sensor from the SE-210 board.

In this way the gear block assembly will re- move.

DVW-790WS/709WS/707

PWH 1.4x2.5

Gear block assembly

Connector

(tape top sensor)

CUE-2 board

CN3

4-67

DVW-790WSP/709WSP/707P P2V1