Hitachi 51F710 Service Manual page 36

DISASSEMBLY / ASSEMBLY INSTRUCTIONS FOR HITACHI 57 INCH SPLIT PROJECTION TELEVISION
(a) Do not attempt to perform this work by yourself.
IMPORTANT POINTS:
(b) Request an installation specialist to install this unit.
(c) HITACHI assumes no responsibility or liability for injury/damage as a result of consumer 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 components.
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
position, see (d)(e).
(a) (b)
(c)
(d)
STEP 2 Remove the 8 screws that hold the screen
frame 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)
(c) (d)
STEP 5 Remove the joint connector bolts from each side of the back cover using the allen wrench that is
provided inside of the instruction bag, see (a) and (b).
(a)
Remove from the back side of the TV set only the top 4 screws of the lower rear cover, see (b), as
STEP 6
(e)
shown by the arrows on the rear cabinet label, see (a). Do not remove the rear cover board.
Remove the (4) four side screws that hold the back cover to the cabinet, see (c) as shown on the
label (a).
(a)
STEP 3 Remove the 6 screws that
Caution: When the TV is separated, the top portion weights 45 lbs. This task should be done by two
hold the back cover to the
STEP 7
persons when separating this TV.
cabinet on the front side.
This assembly contains fragile parts, such as glass and the viewing screen. Avoid any type of
impact that could cause breakage of these components.
Remove top portion by grabbing the bottom corner of frame and the back cover, see (a)(b). Lift
upwards, see (c)(d), gently place the top portion on the the floor, see (e).
(a)
6 Screws
(c)
(b)
(b) (c)
(b)
(d)
(e)
36
THESE INSTRUCTIONS MUST REMAIN ON UNIT
2 - RE-ASSEMBLY PROCEDURE
STEP 8 To re-assemble the set, lift the top portion
STEP 9
and align onto the bottom cabinet. Gently
lower the top portion until it sits flush on
the bottom.
STEP 10 Re-install the top (4) four screws into the lower rear cover, see (a). Re-install the (4) four side
screws that hold the back cover to the cabinet, see (b).
(a)
(b)
STEP 11 Re-connect the sensor connector to the sensor board, see (a). Re-install the sensor box, see (b).
(a)
(b)
STEP 12 Re-install the 8 screws that hold the frame STEP 13
to the cabinet on the front side of the TV.
6 Screws
STEP 14 Re-install both of the front decoration panels, see (a) and (b).. Re-install the speaker grille, aligning
it with the bottom cabinet, see (c). This completes the Disassembly and Assembly instructions.
(a)
(b)
Re-install the joint connector bolts (4 pcs.)
that were removed in step 5 of the
disassembly.
Re-install the 6 screws that hold the back
cover to the cabinet on the front side of the
TV.
(c)
P# QL22489