CurtPalme.com Home Theater Forum

[JPM]

Hi,
could it be, that there is no SWB on my control module board?

[Nashou66]

[JPM]

Hi,

I changed the two buffering caps and cleaned the U7 chip and socket and the control module contacts. Now I can't start my PJ any more. Every time I want to power it on, the red lights at the control module make a show like the knight rider car. Can you help me?

[Nashou66]

Make sure to poalrity of the caps are correct and that you replaced the chip the same way it came out, some have small arrows on the chip and the chip socket along with one corner cut at a diagnol and the socket shaped the same way. Make sure the board is seated correctly as well to the main CLM.

Athanasios

[JPM]

I think i have done the things correctly. I took a picture of everything before I replaced the caps and cleaned the chips, so everything should be allright.

[1031]

There can bee still some "loose/oxidated" connections somewhere on CLM, try to reinstall that CLM again. I have had similar problems some times with my testbench M8000 and usually pushing clm back to place helps. BTW That contactspray, does it drye or does it leave "wet" on contacts. Its important that you use spray that dryes out.

[Nashou66]

[JPM]

No, it doesn't dry out. What can I do now?

[Nashou66]

well clean all board with denatured alcohol and a tooth brush, use it liberaly and let dry over night.

Athanasios

[JPM]

I have seen that there is another Spray from the same producer I have bought, which can be used after cleaning with the Spray I used and which should dry out and any rests of the contact cleaner spray. Maybe I should try this first?

[Nashou66]

Caig is the Best, and they do have a protectant for after the cleaner is applied that will stay on but ti wont cause the possible issues of connections between pins like some cleaners I have tried.

Athanasios

[JPM]

Which Caig product should I exatly use?

[Nashou66]

Deoxit, and the pro gold is for after the cleaning. But your problem is something else on that board. The DPB is either damaged or got damaged for ti to cause the Knight rider lights. Is there someone near to test there DPB on your CLM to isolate the board that is bad out of those two.

Athanasios

[JPM]

Hi,

I tried the other Spray, I told you about, cause it is very cheap and I would have to order the Caig Spray which would also take days or weeks. And it worked. I cleaned again ALL chips and contacts and the knight rider effect has gone directly! I ordered a new HDM board via ebay, it was also cheap. I hope this will fix the raster problem at least. I will tell you when it arrives. At this point I must thank you very much. I thought I would have damaged the CLB oder the doughter board, but it really was just the bad Spray. I think the guy I bought it from WAS my electronic parts dealer.

JPM

[JPM]

Hi,

my new HDM arrived. I replaced the old one. I started the mechanical Setup and I was able to move the red raster while the first step, but the green and blue again didn't move in horizontal direction. I changed the raster size and now the red one does not move any more! What have I done wrong?

[Nashou66]

the only thing to look at next is the CLM(DPB). I think a member here is selling marquee parts cheap, I bet he'll let his CLM go cheap.

Athanasios

[JPM]

OK,
is there anybody who would sell me a new CLM board?

[Nashou66]

try here,

http://www.curtpalme.com/forum/viewtopic.php?p=157957&sid=5f2f13f249369f15d16bba7e2067f639#157957

Athanasios