ViewSonic PJ750 Service Manual - Page 20

Assembly, Removal, Replacement, Maintenance

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6. AssemblyRemoval, Replacement, andMaintenance • Cautions when removing the PWB ass'y Main When removing the PWB ass'y Main, there is danger of damaging the connector connecting cables and the PWB ass'y Signal. 1) Disconnect 11 cables and remove 6 screws. PWB ass'y Main m oo O-.-E302 E803 E807 u E802 u E801 E809 E804LI Remove 6 screws 2) Lift up the rearward of the PWB ass'y Main to the front. FRONT Lift up PWB ass'y Main 3) Disconnect 2 cables lifting the PWB ass'y Main. REAR Disconnect the 2 board-to-board connector. Disconnect 2 cables • Cautions when removing the Upper case ass'y When you remove the Upper case ass'y, avoid to damage wires between speakers on the Upper case ass'y and PWB ass'y Main on the Bottom case ass'y. -4- Speaker Wire from Speaker ViewSonic Corporation 17 CONFIDENTIAL -- DO NOT COPY PJ750

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6.
Assembly
Removal,
Replacement,
and
Maintenance
•
Cautions
when
removing
the
PWB
ass'y
Main
When
removing
the
PWB
ass'y
Main,
there
is
danger
of
damaging
the
connector
connecting
cables
and
the
PWB
ass'y
Signal.
1)
Disconnect
11
cables
and
remove
6
screws.
PWB
ass'y
Main
m
oo
E803
E807
E802
E801
O
-.-E302
E809
E804LI
Remove
6
screws
2)
Lift
up
the
rearward
of
the
PWB
ass'y
Main
to
the
front.
Lift
up
FRONT
PWB
ass'y
Main
REAR
3)
Disconnect
2
cables
lifting
the
PWB
ass'y
Main.
Disconnect
2
cables
Disconnect
the
2
board
-to
-board
connector.
•
Cautions
when
removing
the
Upper
case
ass'y
When
you
remove
the
Upper
case
ass'y,
avoid
to
damage
wires
between
speakers
on
the
Upper
case
ass'y
and
PWB
ass'y
Main
on
the
Bottom
case
ass'y.
Wire
from
Speaker
-4—
Speaker
ViewSonic
Corporation
17
CONFIDENTIAL
--
DO
NOT
COPY
PJ750