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DVW-790WS/709WS/707
DVW-790WSP/709WSP/707P P2V1
6. Upper Drum Assembly Installation
(1) Hold the areas of the new upper drum assem-
bly where video heads are not installed, by
hand. Align the notch of the center hole on the
UDR-9 board with the hole of the DR-261
board.
(2) Move the upper drum assembly in the direc-
tion of the flange (Do not tilt.) and connect a 6-
pin connector plug to a connector on the LDR-
8 board of flange.
n
When attaching, take care not to touch the vid-
eo heads against the brush support or the pe-
ripheral parts.
(3) Press the upper drum assembly in the direction
of the flange until it securely is attached.
(4) Put the four screws which are removed in step
4 in the four holes on the board of the upper
drum assembly using a pair of tweezers.
(5) Using the L wrench thread the four screws in
the sequence shown in the figure. Do not tight-
en them.
Connector
UDR-9 board
Notch
Upper drum
assembly
DR-261 board
Hole
Flange
1
3
4
2
Screw
4-2. Parts Replacement