Owner's Manual
57” DISASSEMBLY/ASSEMBLY INSTRUCTIONS
78
IMPORTANT POINTS:
(a) Do not attempt to perform this work by yourself.
(b) Request an installation specialist to install this unit.
(c) HITACHI assumes no responsibility or liability for injury/damage as a result of con-
sumer installation and handling. Be advised that improper consumer
installation/handling is not covered by manufacturer’s warranty.
(d) This Projection Television weighs over 206.3 pounds and has many sensitive com-
ponents.
CAUTION: DISCONNECT UNIT FROM POWER SOURCE BEFORE DISASSEMBLY / ASSEMBLY
1 - SEPARATION PROCEDURE (Note: read all instructions and understand how to properly and
safely disassemble and assemble unit)
STEP 1
Before disassembling this projection TV set, you must first remove the speaker grille by grabbing the sides and pulling left and right side
see (a)(b). Remove the front decoration panels by unscrewing the 2 screws from each panel, see (c), then remove from the original posi-
tion, see (d)(e).
(a) (b)
(c)
(d)
(e)
STEP 2
Remove the 8 screws that hold the screen
frame to the cabinet on the front side.
STEP 3
Remove the 2 screws that
hold the back cover to the
cabinet on the front side.
(a)
(b)
STEP 4
Remove the sensor box by unscrewing the 2 screws located on both sides of the sensor box, see
(a). Rotate the sensor box and there are 4 low voltage connectors located on the sensor board,
see (b). Disconnect the connector with the brown wires (PDSE), see (c) and (d). (Make sure to
push the center lock on the connector at the unplug time.)
(a)
(b)










