Hitachi CP-RX78 User Manual - Page 66

Phenomena that may be easy to be mistaken for machine defects

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Troubleshooting Phenomena that may be easy to be mistaken for machine defects $ERXWWKHSKHQRPHQRQFRQIXVHGZLWKDPDFKLQHGHIHFWFKHFNDQGFRSHZLWKLW DFFRUGLQJWRWKHIROORZLQJWDEOH Phenomenon Cases not involving a machine defect Reference page The electrical power cord is not plugged in. &RUUHFWO\FRQQHFWWKHSRZHUFRUG 11 The main power source has been interrupted during operation such as by a power outage (blackout), etc. 3OHDVHGLVFRQQHFWWKHSRZHUSOXJIURPWKHSRZHURXWOHW DQGDOORZWKHSURMHFWRUWRFRROGRZQDWOHDVWPLQXWHV 3RZHUGRHVQRW WKHQWXUQWKHSRZHURQDJDLQ FRPHRQ Either there is no lamp and/or lamp cover, or either RIWKHVHKDVQRWEHHQSURSHUO\¿[HG 3OHDVHWXUQWKHSRZHURIIDQGGLVFRQQHFWWKHSRZHUSOXJIURP WKHSRZHURXWOHWDQGDOORZWKHSURMHFWRUWRFRROGRZQDWOHDVW PLQXWHV$IWHUWKHSURMHFWRUKDVVXI¿FLHQWO\FRROHGGRZQ SOHDVHPDNHFRQ¿UPDWLRQRIWKHDWWDFKPHQWVWDWHRIWKHODPS DQGODPSFRYHUDQGWKHQWXUQWKHSRZHURQDJDLQ The signal cables are not correctly connected. &RUUHFWO\FRQQHFWWKHFRQQHFWLRQFDEOHV 9 Signal source does not correctly work. &RUUHFWO\VHWXSWKHVLJQDOVRXUFHGHYLFHE\UHIHUULQJWRWKH - PDQXDORIWKHVRXUFHGHYLFH The input changeover settings are mismatched. 6HOHFWWKHLQSXWVLJQDODQGFRUUHFWWKHVHWWLQJV 15 1RSLFWXUHVDUH 7KHEULJKWQHVVLVDGMXVWHGWRDQH[WUHPHO\ORZOHYHO GLVSOD\HG $GMXVW%5,*+71(66WRDKLJKHUOHYHOXVLQJWKHPHQX 25 IXQFWLRQ The computer cannot detect the projector as a plug and play monitor. 0DNHVXUHWKDWWKHFRPSXWHUFDQGHWHFWDSOXJDQGSOD\ 10 PRQLWRUXVLQJDQRWKHUSOXJDQGSOD\PRQLWRU The BLANK screen is displayed. 3UHVVWKHBLANKEXWWRQRQWKHUHPRWHFRQWURO 20 &RQWLQXHGRQQH[WSDJH 57

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57
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects
Phenomenon
Cases not involving a machine defect
Reference
page
The electrical power cord is not plugged in.
11
The main power source has been interrupted during
operation such as by a power outage (blackout), etc.
Either there is no lamp and/or lamp cover, or either
The signal cables are not correctly connected.
9
Signal source does not correctly work.
–
The input changeover settings are mismatched.
15
25
The computer cannot detect the projector as a plug
and play monitor.
10
The BLANK screen is displayed.
BLANK
20