Hitachi LP-WU9100B - Troubleshooting Common Phenomena

73
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects
$ERXWWKHSKHQRPHQRQFRQIXVHGZLWKDPDFKLQHGHIHFWFKHFNDQGFRSHZLWKLW
DFFRUGLQJWRWKHIROORZLQJWDEOH
Phenomenon Cases not involving a machine defect
Reference
page
3RZHUGRHVQRW
FRPHRQ
7KHSRZHUVZLWFKLVVHWWR
○
)OLSWKHVZLWFKWR
｜

20
The electrical power cord is not plugged in.
&RUUHFWO\FRQQHFWWKHSRZHUFRUG
19
The main power source has been interrupted during
operation such as by a power outage (blackout), etc.
'LVFRQQHFWWKHSRZHUSOXJIURPWKHSRZHURXWOHWDQG
DOORZWKHSURMHFWRUWRFRROGRZQDWOHDVWPLQXWHVWKHQ
WXUQWKHSRZHURQDJDLQ
19
1RSLFWXUHVDUH
GLVSOD\HG
Signal source does not correctly work.
&RUUHFWO\VHWXSWKHVLJQDOVRXUFHGHYLFHE\UHIHUULQJWR
WKHPDQXDORIWKHVRXUFHGHYLFH
–
The input changeover settings are mismatched.
6HOHFWWKHLQSXWVLJQDODQGFRUUHFWWKHVHWWLQJV
25
The signal cables are not correctly connected.
&RUUHFWO\FRQQHFWWKHFRQQHFWLRQFDEOHV
a
The brightness is adjusted to an extremely low level.
$GMXVW%5,*+71(66WRDKLJKHUOHYHOXVLQJWKHPHQX
IXQFWLRQ
48
The computer cannot detect the projector as a plug
and play monitor.
0DNHVXUHWKDWWKHFRPSXWHUFDQGHWHFWDSOXJDQGSOD\
PRQLWRUXVLQJDQRWKHUSOXJDQGSOD\PRQLWRU
13
The BLANK screen is displayed.
3UHVVAV MUTEEXWWRQRQWKHUHPRWHFRQWURO
39
FRQWLQXHGRQQH[WSDJH