Hitachi PJL1035 2 Service Manual page 22

Liquid crystal projector
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6 - 2 Service point of principal parts
(1) Removing the UPPER CASE ASS'Y.
1. Remove 9 screws and remove the UPPER CASE ASS'Y.
(2) Removing the PWB ASS'Y DRIVE.
1. Remove the UPPER CASE ASS'Y.(Refer to item 6-2(1))
2. Release the lock of the connector housing and disconnect the FPC of the LCD module ass'y.
3. Remove 4 screws and disconnect 10 connectors and remove the PWB ASS'Y DRIVE.
(3) Removing the SPEAKER.
1. Remove 2 screws and disconnect a wire-to-wire connector to remove each SPEAKER.
(4) Removing the POWER UNIT(BALLAST).
1. Remove a screw to remove the metallic stopper on LAMP connector.
2. Remove 4 screws on Ballast holder and disconnect lamp connector to remove the POWER UNIT(BALLAST).
(5) Removing the LCD/LENS PRISM ASS'Y.
1. Remove the UPPER CASE ASS'Y.(Refer to item 6-2(1))
2. Remove the PWB ASS'Y DRIVE.(Refer to item 6-2(2))
3. Remove a screw to remove the filter to protect LCD panels.
4. Remove 2 screws to remove the LCD/LENS PRISM ASS'Y.
(6) Removing the DICHROIC OPTICS UNIT.
1. Remove the LAMP COVER 5 and remove the LAMP.
2. Remove the UPPER CASE ASS'Y.(Refer to item 6-2(1))
3. Remove the PWB ASS'Y DRIVE.(Refer to item 6-2(2))
4. Remove the SPEAKER.(Refer to item 6-2(3))
5. Remove the PWB ASS'Y POWER UNIT(BALLAST).(Refer to item 6-2(4))
6. Remove the HOOD inside DC FAN(POWER) 36 by two clips.
7. Remove a screw on the filter for LCD panels to remove the filter.
8. Remove tape(black) on the DICHROIC OPTICS UNIT and disconnect all wire-to-wire connectors.
9. Remove 3 screws and remove the DICHROIC OPTICS UNIT.
(7) Removing the PWB ASS'Y INPUT TERMINAL RGB.
1. Remove a screw and remove the PWB ASS'Y INPUT TERMINAL VIDEO.
2. Remove the UPPER CASE ASS'Y.(Refer to item 6-2(1))
3. Remove the PWB ASS'Y DRIVE.(Refer to item 6-2(2))
4. Remove 3 screws and remove the PWB ASS'Y INPUT TERMINAL PANEL.
5. Remove 2 screws and remove the PWB INPUT TERMINAL RGB with RGB metal.
(8) Removing the DC FAN(POWER).
1. Remove the UPPER CASE ASS'Y.(Refer to item 6-2(1))
2. Remove the PWB ASS'Y DRIVE.(Refer to item 6-2(2))
3. Remove the SPEAKER-R.(Refer to item 6-2(3))
4. Remove the PWB ASS'Y POWER UNIT(BALLAST).(Refer to item 6-2(4))
5. Remove the DICHROIC OPTICS UNIT.(Refer to item 6-2(6))
6. Remove 3 screws to remove the DC FAN(POWER).
– 22 –

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