Brush Slip Ring Assembly Removal/Reinstallation - Sony DNW-A75 Maintenance Manual

5-3. Video Head Tip Protrusion Check

5-3-2. Brush Slip Ring Assembly Removal/Reinstallation

Preparing tools
. Torque screwdriver (6 kg.cm) (JB-5251): J-6252-510-A
. Torque screwdriver's bit (+2 mm, l = 75 mm):
Removal
1. Unlock the connector CN2, then disconnect the
flexible board from the connector CN2 on the SE-461
board.
n
To unlock the connector CN2, pull the slider (white) of
the connector.
2. Unscrew the two screws to remove the brush slip ring
assembly.
n
Do not apply any force forcibly to the brush slip ring
assembly.
3. To take out the screws, turn the brush slip ring assem-
bly upside down.
n
Be careful not to drop these screws in the cover.
5-16
J-6323-420-A
Screw (PSW2 x 16)
Brush slip ring assembly
Cover
Flange
Tightening torque: 14.7 x 10
n
If replacing the brush slip ring assembly, refer to Section 3
in the maintenance manual part 2, volume-1.
Reinstallation
4. Insert the two screws removed in step 2 into the screw
holes of the brush slip ring assembly.
5. Reinstall the brush slip ring assembly in the direction
shown in the figure.
6. Tighten the two screws alternately and gradually while
pushing both sides of the flange uniformly.
Tightening torque: 14.7 x 10
7. Insert the flexible board into the connector CN2 on the
SE-461 board, then lock the connector.
m
. Be sure to insert the flexible board into the connector
CN2 with unlocked.
(Refer to n on step 1 for "Unlock".)
. To lock the connector CN2, press in the slider
(white) of the connector.
Screw (PSW2 x 16)
Flexible board
SE-461 board
Connector
_2
N.m {1.5 kgf.cm}
_2
N.m {1.5 kgf.cm}
(CN2)
DNW-A75/A75P