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56
Maintenance & Troubleshooting
No sound $GMXVWYROXPHRQWKHNH\SDG
7XUQRII´PXWHµLQWKHPHQX6HHSDJH 
9HULI\DXGLRLQSXWFRQQHFWLRQV
$GMXVWDXGLRVRXUFH
Lamp seems to be getting
dimmer
7KHODPSEHJLQVWRORVHEULJKWQHVVZKHQLWKDV
EHHQLQXVHIRUDORQJWLPH5HSODFHWKHODPSDV
GHVFULEHGLQ´5HSODFLQJWKH3URMHFWLRQ/DPSµ
RQSDJH 
Lamp shuts off
$PLQRUSRZHUVXUJHPD\FDXVHWKHODPSWR
VKXWRII8QSOXJWKHSURMHFWRUZDLWDWOHDVWD
PLQXWHWKHQSOXJLWEDFNLQ
0DNHVXUHWKHYHQWVDUHQRWEORFNHG
7KHODPSVFUHHQVPD\EHFORJJHG$YRLGVPRN
LQJDURXQGWKHSURMHFWRU&OHDQWKHVFUHHQV6HH
SDJH 
0DNHVXUHWKHODPSKDVQRWEHHQLQXVHIRURYHU
KRXUV7KHODPSDXWRPDWLFDOO\VKXWVRII
DIWHUKRXUV6HHSDJH 
Table 3: Problem with the projector