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jbmeyer13
Joined: 03 Dec 2010
Posts: 1135
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| Posted: Sat Dec 10, 2011 4:33 am Post subject: No Vsync |
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I'm in the middle of watching a blu ray on my 9500LC and all of the sudden the picture turns very dim. A few minutes later it returns to normal and then intermittently fluctuates before the screen goes completely black. First I get "No Sync" and then "No VSync". I switch to HD cable and same error. What is the likely culprit here?
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CasetheCorvetteman
Joined: 09 Nov 2008
Posts: 6326
Location: Australia
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| Posted: Sat Dec 10, 2011 5:12 am Post subject: |
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Are the connections all in good order?? What cable goes to the projector?? Are all the connections all the way along the run nice and tight??
Give the cables all a wriggle near the joins and see what you see.
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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jbmeyer13
Joined: 03 Dec 2010
Posts: 1135
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| Posted: Sat Dec 10, 2011 5:20 am Post subject: |
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15 ft HDMI into latest Moome that I swap between BD player and HD cable box, checked cable connections on both ends and makes no difference. PJ has been set up since June and prior to that had Dragan's HD Mods, Tim's Power supply mod, re-bellow, and motherboard replaced (all done prior to set up).
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jbmeyer13
Joined: 03 Dec 2010
Posts: 1135
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| Posted: Sat Dec 10, 2011 5:21 am Post subject: |
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15 ft HDMI into latest Moome that I swap between BD player and HD cable box, checked cable connections on both ends and makes no difference. PJ has been set up since June and prior to that had Dragan's HD Mods, Tim's Power supply mod, re-bellow, and motherboard replaced (all done prior to set up).
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jbmeyer13
Joined: 03 Dec 2010
Posts: 1135
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| Posted: Sat Dec 10, 2011 5:25 am Post subject: |
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I cant see this being oxidation since a tear down was done 6 months ago. I did recently hear snapping through my front speakers (I'm assuming HV arcing). HDM?
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diezzler
Joined: 23 Dec 2010
Posts: 38
Location: Potomac, MD
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| Posted: Sat Dec 10, 2011 6:58 am Post subject: |
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Maybe try the a different input on the projector to rule out that the mooned card didn't die.
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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jbmeyer13
Joined: 03 Dec 2010
Posts: 1135
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| Posted: Sat Dec 10, 2011 3:44 pm Post subject: |
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All of the sudden the image looked like the brightness had been turned way down. It stayed this way for about 5 mintues and then it returned to normal for about a minute. Then it began fluctuating between normal and dim with the image remaining in focus, finally going black. I tried the internal test patterns and they work fine. The PJ is floor mounted, seems doubtful something would become unseated because the failure was a progression over 5-10 minutes.
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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jbmeyer13
Joined: 03 Dec 2010
Posts: 1135
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| Posted: Sat Dec 10, 2011 4:43 pm Post subject: |
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I can hook up my Faroudja NRS and see what happens. I'll report back in a bit.
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jbmeyer13
Joined: 03 Dec 2010
Posts: 1135
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| Posted: Sat Dec 10, 2011 5:37 pm Post subject: |
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Hooked up my Panny RP-91 to NRS into RGBHV slot and it works fine. Is it fair to assume that problem is with Moome?
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CasetheCorvetteman
Joined: 09 Nov 2008
Posts: 6326
Location: Australia
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| Posted: Sun Dec 11, 2011 5:15 am Post subject: |
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Or the cable yeah.
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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jbmeyer13
Joined: 03 Dec 2010
Posts: 1135
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| Posted: Sun Dec 11, 2011 2:24 pm Post subject: |
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I tried a shorter cable (10 ft. as opposed to 15 ft.) and it made no difference. I'm contacting Moome to return the VIM.
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dvh99
Joined: 25 Dec 2009
Posts: 2158
Location: nederland
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| Posted: Sun Dec 11, 2011 4:00 pm Post subject: |
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look for cracked solder joints at the back of the moome.
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jbmeyer13
Joined: 03 Dec 2010
Posts: 1135
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| Posted: Mon Dec 12, 2011 11:45 pm Post subject: |
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I don't see any cracked solder joints. Does anyone see anything out of the ordinary? I emailed Moome 2 days ago but have not heard back as of yet.
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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jbmeyer13
Joined: 03 Dec 2010
Posts: 1135
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| Posted: Tue Dec 13, 2011 12:53 am Post subject: |
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Nash-
Pretend i don't know anything because well I don't..LOL Which are the the F2/3 fusible resistors and how can I tell if they are open?
Thanks,
Justin
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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| Posted: Tue Dec 13, 2011 2:44 am Post subject: |
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| jbmeyer13 wrote: | Nash-
Pretend i don't know anything because well I don't..LOL Which are the the F2/3 fusible resistors and how can I tell if they are open?
Thanks,
Justin |
LOL, the two grey resistors near the connector to the Back plane. On the Circuit board you can see in the pics F2 and F3.
If you have an multimeter you can set it to continuity and see if there is continuity on through the resistor from one side to the other. the meter should have an audible beep. If you dont have one Radio shack has a cheap pocket one that i use all the time.
Athanasios
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