RGH Unstable Jasper glitches

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frankiep

Full Member
Dec 15, 2011
33
0
Italy
Hi, i'm not exactly a noob in the rgh but i can post only in this section so i'm here :)
So, i'm going crazy with a Jasper 512mb...it sometimes glitch and sometimes doesnt glitch seemingly at random! To help you better understand i made ​​a video and some photos of the setup.

ATTENTION:
- I'm using TX CR without the CAP because shorting the CAP the cpld doesn't glitch (the green led never turns on)
- The photos are of the currently setup that seems to give better results (i just tried different wires positions reading this fixes)
- The console actually has Freeboot 14699 + Dashlaunch 2.29
- Turning the CR switch to SLIM the cpld turns on the green led for very short time (like a flash) and logically the console doesnt glitch
- I just tried to change the cpld

PLEASE HELP ME!

VIDEO:

[ame]http://youtu.be/AsD9f3rgu18[/ame]

PICTURES:





 
A

axelll

VIP Member
Mar 1, 2011
469
17
Everywhere
Try a cap of 47 nF or smaller. I did one Jasper with a 47one, it's glitching very fast, every-time.
 
S

SamDoleBob

Full Member
Dec 14, 2011
41
0
Salt Lake City, Utah
Your r4b24 does not look like it is soldered. Did you soldered it to the trace?

---------- Post added at 11:10 ---------- Previous post was at 11:08 ----------

It looks like that is a rev b coolrunner solder the cap points by the a and b points.
 
J

-jze-

Junior Member
Jun 18, 2011
22
1
Finland
To me it looks like the blue wire is a bit too close to the coils..
Maybe you could try to move the blue wire to the top side of the console and run it close to the fans. At least that did the trick for me..

---------- Post added at 20:22 ---------- Previous post was at 20:13 ----------

hmm. it seems the posts can't be edited ?

I mean to position the wires like in this post.

http://team-xecuter.com/forums/showpost.php?p=518817&postcount=39
 
A

axelll

VIP Member
Mar 1, 2011
469
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Everywhere
I also use this layout for the blue wire.

Glitched a lot of consoles with alt points for orange and blue, last one was a Jasper 256 and had no problems. Also, I use a different cap for the Jasper if they do not glitch with CR one(47 nF)
 
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frankiep

Full Member
Dec 15, 2011
33
0
Italy
1) i prefer to solder the B wire there
2) ye its a coolrunner rev B
3) if i shjort the CAP the CR doenst glitch anymore...
 
R

RnRdude

1
Oct 4, 2011
21
0
Netherlands
you have probably the cpu RST wire under the cooling fan plastic.. try put that wire over the cooling plastic fan don;t really knw how you call that thing.. not underneat but over it
 
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QcMarque

Senior Member
Jan 20, 2005
104
0
Seattle, WA
www.jboxmods.com
Here's how I always route mine (least interference from coils and other things)



I run the power & ground along the board and video port to keep it away from signal wires.


If a system is touchy after this setup, I typically use the 68nf cap between A & GND... a 47nf has been known to work when the 68nf is too much
 
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frankiep

Full Member
Dec 15, 2011
33
0
Italy
i do not think it's a capacitor problem because this console doesn't glitch always (slow but always)...this console sometimes glitch and sometimes nop.
i always used this layout and never had problems...
 
T

tonyjandc

VIP Member
Dec 30, 2011
481
0
london uk
just as a footnote i was looking at your yellow wire move it to the right and use some tape near mosfet to isolate from that . Also another point worth noting bb jaspers can be a pain so what i do is tape to board and cover wire with tape as well to completly isolate from board (shield wire)
 
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frankiep

Full Member
Dec 15, 2011
33
0
Italy
so i changed blu wire positions near fans as raccomended by axelll and added a 68nf cap between A and GND points...the result is that on 10 times the xbox has glitched 8 times (and always in 2 green led lights up). what else can i try?

Thanks at all for your support!
 
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frankiep

Full Member
Dec 15, 2011
33
0
Italy
other 10 attempts...in 10 times the xbox has 9 times and always in 1/2 green led lights up

---------- Post added at 11:24 ---------- Previous post was at 11:24 ----------

has glitched 9 times*
 
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