Vh Cleaner Assembly Replacement - Sony Betacam SX DNV-5 Maintenance Manual

3-2-5. VH Cleaner Assembly Replacement

3-2-5. VH Cleaner Assembly Replacement
Outline
Replacement
Mode setting
VH cleaner assembly removal
VH cleaner assembly installation
Operation confirmation
Precaution
Be careful not to touch the video head when the VH cleaner assembly is replaced.
The adjustment after the VH cleaner assembly is replaced is not required.
Preparations
1. Turn off the power.
2. Remove the front lid and outside panel.
(Refer to section 1-6 in Part 1 of the Maintenance Manual.)
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The VH cleaner assembly can be replaced with the cassette compartment installed in
the unit.
Removal
1. Mode setting
Put the unit into the unthreading end state.
(Refer to section 3-1-3.)
2. VH cleaner assembly removal
(1) Turn the upper drum assembly with fingers
so that the video head is not positioned near
the cleaning roller.
(2) Disconnect connector CN2 on the HN-224
board.
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At that time disconnect the connector, not to
exert a force on the TC head assembly.
(3) Remove the screw shown in the figure, hold the
protrusion of the VH cleaner using tweezers,
and remove the VH cleaner from the unit.
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Take care that the tweezers and VH cleaner
assembly do not touch the upper drum assembly
and drum assembly during removal.
3-30
Cleaning roller VH cleaner assembly
Protrusion
HN-224 board
CN2
Spring
DNV-5
DNW-7/90/90WS