InFocus LP 790 Projector User Manual


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Maintenance & Troubleshooting
Tro u bl esh oot i ng
LEDs
7KH$ODUP/('RQWRSRIWKHSURMHFWRU)LJXUHRQSDJHZLOO
DOHUW\RXWRFHUWDLQSUREOHPV
$VROLGUHG$ODUP/('PHDQVLWLVWLPHWRFKDQJHWKHODPS
6HHSDJH 
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$QEOLQNLQJRUDQJH/('PHDQVWKHSURMHFWRULVJRLQJLQWR
'306PRGHDVROLGRUDQJH/('PHDQVWKHSURMHFWRULVLQ
VWDQGE\RU'306PRGH6HHSDJH IRUGHWDLOV
Problem: The projector is not running
0DNHVXUHWKDWWKHSRZHUFRUGLVSURSHUO\FRQQHFWHGWRD
IXQFWLRQDO$&HOHFWULFDORXWOHW0DNHVXUHWKDWWKHSRZHUFRUG
LVDOVRSURSHUO\FRQQHFWHGWRWKHSURMHFWRU
,IWKHSURMHFWRULVSOXJJHGLQWRDSRZHUVWULSPDNHVXUHWKH
SRZHUVWULSLVWXUQHGRQ
0DNHVXUHWKHSURMHFWRULVWXUQHGRQ9HULI\WKDWWKH/('LV
VROLGJUHHQ
Problem: Projector is running, but nothing appears on projec-
tion screen
0DNHVXUH\RXKDYHUHPRYHGWKHOHQVFDSRQWKHSURMHFWLRQ
OHQVDWWKHIURQWRIWKHSURMHFWRU
0DNHVXUH0DVNLVQRWDFWLYHLQWKH(IIHFWPHQX6HHSDJH 
&KHFNWKHSURMHFWRU·VODPSKRXVLQJWRHQVXUHWKDWLWLVVHFXUHO\
FRQQHFWHGWRWKHERWWRPFDVH6HH´5HSODFLQJWKH3URMHFWLRQ
/DPSµRQSDJH 
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