CurtPalme.com Home Theater Forum

lawbob · Joined: 18 Oct 2011 Posts: 18 Location: scotland

hi there have a problem with my nec 9 projector stand by light will only stay on for seconds and then goes out. we thought it was a power supply board problem but have the supply board checked and i am told there is nothing wrong there are no error codes showing any one with an idea thanks robert[/list]

**Curt Palme** · Posted: Wed Jun 27, 2012 5:35 am Post subject:

So you're saying that the whole back light that illuminates the buttons in the standby mode go out after a few seconds. I'd virtually guarantee that the power supply is bad. It's a very complex supply that can't really be tested as a standalone item. Ideally you'll swap it out with a working unit to make sure it's bad.

lawbob · Joined: 18 Oct 2011 Posts: 18 Location: scotland

hi there thanks for the quick reply i cant find a working nec to allow me to do what you suggest. do you have a power supply for that model available the part number is 79642151 and m rps/1201g.if you have please advise me the cost including shipping thanks again robert

**Curt Palme** · Posted: Wed Jun 27, 2012 1:20 pm Post subject:

I do, the problem is that it's a 110 volt supply only. Do you have a stepdown transformer to convert from 220 to 110 volts?

gjaky · Joined: 05 Jun 2010 Posts: 920 Location: Budapest, Hungary

Hey curt, isn't there a jumper for voltage selection inside the PG power supplies?

**Curt Palme** · Posted: Wed Jun 27, 2012 2:29 pm Post subject:

No, not that I know of. I think there are some mods that can be done, but I've never done them. I believe that the AC input board is also differently laid out between the two sets. But Lawbob, if you want to take your LVPS out, pop off the top cover and take some pictures, if the main PC board is the same between the 110 and 220 volt versions, then I could most likely send you just that board rather than the whole set.

gjaky · Joined: 05 Jun 2010 Posts: 920 Location: Budapest, Hungary

Yes, there is a jumper inside, and some other components should be changed, the picture is for PG plus, but I think it is basically the same as plain PG.

gjaky · Joined: 05 Jun 2010 Posts: 920 Location: Budapest, Hungary

I have PG xtra which is very different, but if you don't mind I attached the corresponding page from the PG+ SM, I circled the jumper which should be altered.

**Curt Palme** · Posted: Wed Jun 27, 2012 2:44 pm Post subject:

Good finds, I don't think I have either of those on file here. Thanks!

lawbob · Joined: 18 Oct 2011 Posts: 18 Location: scotland

hi curt transformer to change from 220 to 110 they are readily available in scotland so that is not a problem.i have spoken to mr alan head who advises me on all this and has told me to ask if you happened to have c/drive for the same projector.if you can let me no the cost including shippment. i would also like to thank giaky for his input thanks very much robert

CasetheCorvetteman · Joined: 09 Nov 2008 Posts: 1948 Location: QLD, Australia

LawBob, they may be available, but make sure they can do around 1.5kVA.

lawbob · Joined: 18 Oct 2011 Posts: 18 Location: scotland

thanks for that will check it out robert

lawbob · Joined: 18 Oct 2011 Posts: 18 Location: scotland

have just checked transformer screwfix can supply 3k/5k-1.5 kva continuous that should do the job thanks casethecorvetteman for bringing this to our attention robert

lawbob · Joined: 18 Oct 2011 Posts: 18 Location: scotland

hi curt could you please give me a total cost for the power supply and the c drive including shipment to scotland so i can arrange payment thanks robert

CasetheCorvetteman · Joined: 09 Nov 2008 Posts: 1948 Location: QLD, Australia

Dont buy one yet cause you may be able to get Curt to flick it over to 240 volt before he sends it.

**Curt Palme** · Posted: Fri Jun 29, 2012 1:30 pm Post subject:

Sure, let me test them this weekend.

lawbob · Joined: 18 Oct 2011 Posts: 18 Location: scotland

thanks casethecorvetman will not buy till i hear curt has also said he will check this weekend that would be good thanks to both of you robert

CasetheCorvetteman · Joined: 09 Nov 2008 Posts: 1948 Location: QLD, Australia

I have a 240 volt one here if Curt doesnt have a suitable one, its from a 9 PG Plain.

lawbob · Joined: 18 Oct 2011 Posts: 18 Location: scotland

hi casethecorvtteman thats good to know if curt cant help me out i will be in touch thanks robert

CasetheCorvetteman · Joined: 09 Nov 2008 Posts: 1948 Location: QLD, Australia

No worries mate, let me know if you need it, although im a last resort, cause i only have one spare for 3 9PGs Wink