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2. Cautions when removing the PWB assembly MAIN
When removing the PWB assembly MAIN, there is danger of damaging the connector connecting cables.
(1) Disconnect 13 cables and remove 3 screws.
(2) Lift up the rearward of the PWB assembly MAIN to the front, while pushing rear portion of bottom case
toward the outside so that the terminals of MAIN board may not be caught in bottom case. And then dis-
connect cable and unscrew the earthing wire.
3. Removes POWER BOARD(CIRCUIT)
(1) Unscrew 3 screws, and then get the BALLAST-BRACKET off.
BALLAST-BRACKET
Disconnect the lamp lead, and the cable CN1 from the POWER UNIT(ballast).
ViewSonic Corporation
PWB assembly MAIN
FRONT
PWB assembly MAIN
REAR
Lamp lead
Screw
3 screws
Unscrew the earthing wire
earthing wire
Lift up
Disconnect the cable
37
Confidential - Do Not Copy
PJ400-2
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