Question about Hitachi CP-X345 Multimedia Projector

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No input detected on projector


I have a hitachi pjtx-100 ceiling mounted projector that worked great when connected the following way: DVD Player>Component video cables>reciever>component video cables>projector.

I recently remodeled my house, and opted to run an hdmi cable instead of component video cables. Then I discovered that my projector does not have an HDMI input! -But it does have a DVI input. I thought the problem would be solved by buying a HDMI-DVI adapter. -No luck. The current configuration is: DVD>Component video cable>reciever>hdmi cable>hdmito DVI adapter>projector.

Maybe related- I bought a new Sony Reciever (STR DG 510) to take advantage of the HDMI output. Whenever I select "DVD" the message "unlock" appears on the display. There is now reference whatsoever to this message in any manual, so I can't get rid of it. Is the unit "locked, thus inhibiting the signal?

I'm pretty technically adept, and have gone through all of the motions of changing the input signal on the projector.

Also, the dvd player is about 5-6 years old...might the signal not make the transition from component video cable to hdmi? Thanks for your help!

Hitachi cpx345.... when plates were put into the walls and wires were soldered to the plate so no one could pull the cords from the wall, there is now no sound. what could be the problem? four also say "no input is detected on RGBI. help

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  • dunno7 Oct 23, 2008

    My Acer Aspire 3630 Laptop cannot be detected by my Hitachi CP-X345 Multimedia Projector. It works without incident with a Dell Vostro 1500; just plug and play.

  • patmchere Feb 01, 2009

    We have multiples of this projector (Hitachi CP-X345) and using the same laptop, same cable, one finds the signal on both RGB inputs AND composite in, but the other finds NO signal at all on RGB and displays image in black and white ONLY on composite input.



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SOURCE: No input detected on projector

it sounds like the A/V reciever does not upconvert the component signal to HDMI. Not many do. The Marantz recievers will (SR6001, SR8001, etc..). Also bear in mind that HDMI cables are finicky and may require amplification over a few meters long.

Posted on Dec 04, 2007


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No input detected on projector

it sounds like the A/V reciever does not upconvert the component signal to HDMI. Not many do. The Marantz recievers will (SR6001, SR8001, etc..). Also bear in mind that HDMI cables are finicky and may require amplification over a few meters long.

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