Philips LC3131 - bSure SV1 SVGA LCD Projector, Руководство по обслуживанию

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4 Remove the 4 screws “M” (Fig. 10). Now the side cover
can be removed.
5. Remove screws “N” (Fig. 11). After lifting the fan bracket,
the filter holder and dust filter can be removed.
6. To operate the projector in this situation, connect the
SSB and DRB together again, and connect the
top-cover, LCD fan and dust filter switch to the SSB. Put
some insulation under the SSB and DRB board. Now
connect the LCD’s to the DRB board by using extension
cables (312243540400). (Fig. 12)
Do not operate the projector like this for a longer
time, as the LCD’s will be damaged when the cooling
is not installed.
4.3 Engine and power supply removal
1. Remove the 3 screws “O” to remove the engine (Fig. 13).
2. Remove screws “P” to remove the Power supply
(Fig. 13).
3. Remove the 2 screws “Q” to remove the lamp supply
(Fig. 14).
4.4 Notes when mounting back together
1. Mounting position of PCS fan (See Fig. 15).
2. Mounting of air guide: First put the bottom pin into hole
“R”, and then click the top pin into hole “S”. (Fig. 16).
3. Mounting position of lamp fan (See fig 17).
4. Mounting position of earth bracket. (See Fig. 18)
5. If after a repair the fan’s go to high speed and the lamp
switches off immediately, then check the filter door
switch mounting.
LC3131/LC3141 4-3 4-4 LC3131/LC3141
PCS 107 364 PCS 107 365
CL 266450004_054.eps
240402
M M M M Side Cover
Fig. 10
CL 266450004_055.eps
240402
N
N
Filter Holder
Fan
Bracket
LCD Fan
Fig. 11
CL 266450004_056.eps
230402
Fig. 12
CL 266450004_057.eps
240402
P Power Supply
O
O
O
Engine
Fig. 13
CL 266450004_057.eps
240402
P Power Supply
O
O
O
Engine
Fig. 13
CL 266450004_058.eps
240402
Q
Lamp Supply
Fig. 14
CL 266450004_059.eps
140502
PBS Fan
Fig. 15
CL 266450004_060.eps
240402
S
R
Fig. 16
CL 266450004_061.eps
240402
Lamp Fan
Fig. 17
CL 266450004_062.eps
230402
Fig. 18