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Hotrodding the X-Fi: A Layman's Guide (No 56k) - Page 123

post #1831 of 2194
Quote:
Originally Posted by trodas View Post
Hardware question.

I bought my X-Fi Fatal1ty in USA, and it have heatsink on main chip and the DC coupling caps between DAC and opamps are Jamicon 22uF 16V.

Now I moded friend X-Fi Fatal1ty card, it did not have heatsink on main chip and the DC coupling caps between DAC and opamps are Wincap 10uF 16V ones.

Question - what are yours caps there?

Same as yours, heatsink version. Non Heatsink version is an old version & buggy on some mobo (nVidia mostly), it used old BIOS that design to run on PCI-E 1x so poping and cracking happend.
post #1832 of 2194
Quote:
Originally Posted by Lokonsky View Post
Same as yours, heatsink version. Non Heatsink version is an old version & buggy on some mobo (nVidia mostly), it used old BIOS that design to run on PCI-E 1x so poping and cracking happend.
I have the old version and didn't know this. However, I must confess to never having any of these problems
post #1833 of 2194
Quote:
Originally Posted by Tez View Post
I have the old version and didn't know this. However, I must confess to never having any of these problems
did i say 'some' , well lucky you not join with the people in creative forum with 'poping and crackling' issue...and this problem STILL exist until now.
And what the creative says? It's not our fault that the Mobo chipset is not compatible with our card. Oh well...
post #1834 of 2194
Quote:
Originally Posted by trodas View Post
Hardware question.

I bought my X-Fi Fatal1ty in USA, and it have heatsink on main chip and the DC coupling caps between DAC and opamps are Jamicon 22uF 16V.

Now I moded friend X-Fi Fatal1ty card, it did not have heatsink on main chip and the DC coupling caps between DAC and opamps are Wincap 10uF 16V ones.

Question - what are yours caps there?

my friend's card has 16v 22uF jamicons and no heatsink.
post #1835 of 2194
one more thing my cap are G-Luxon and my board have video-in connector layout...hmmm i wonder what is for...
post #1836 of 2194
Ok, I need advice. I replaced the 4 op amps (and put in a Blackgate cap) on a guys X-Fi elite pro (0550) with LM4562's. The front and rear channels sound amazing, but the centre/sub channel is completely distorted (as if the person was standing too close to a mic with the volume cranked). When I checked the card itself, nothing seemed awry, but I re-replaced U19 anyway. The same thing happened. I'm stumped. The traces seem ok and none of the surrounding parts got melted, so I'm open to suggestions. Help.
post #1837 of 2194
Bump....

Someone please chime in, i beg of you all!

This card is actually mine



Quote:
Originally Posted by LtFransky View Post
Ok, I need advice. I replaced the 4 op amps (and put in a Blackgate cap) on a guys X-Fi elite pro (0550) with LM4562's. The front and rear channels sound amazing, but the centre/sub channel is completely distorted (as if the person was standing too close to a mic with the volume cranked). When I checked the card itself, nothing seemed awry, but I re-replaced U19 anyway. The same thing happened. I'm stumped. The traces seem ok and none of the surrounding parts got melted, so I'm open to suggestions. Help.
post #1838 of 2194
Quote:
Originally Posted by Salvador View Post
Bump....

Someone please chime in, i beg of you all!

This card is actually mine
might be a bad opamp.
post #1839 of 2194
Thanks for the reply RandomMurderer.

When I gave the soundcard to LtFranksy, I included 5 opamps (3 LM4562MA and 2 LME49860MA).

There was a spare opamp and based on the post above, I think he already replaced the sub/center opamp with the spare when he said "re-replaced U19 anyway".

Just to add more details to the problem when I was testing the card:

-I tried to play music and I could hear it faintly playing over the loud static/distortion sound coming from the center

- I noticed that when rebooting the pc the center channel would have a 'popping' sound but the other channels would not have this pop. Before the mod, none of the speakers would pop on reboot.



Quote:
Originally Posted by Random Murderer View Post
might be a bad opamp.
post #1840 of 2194
hey franksy i was trying to dig up on every imaginable x-fi mod thread and I actually found something interesting:

The X-Meridian 7.1 Thread - Page 62 - AVS Forum

It's actually in the meridian thread. The guy had the same buzzing/noise symptoms and apparently he soldered the opamp in reverse. Maybe this is the case with the center/sub opamp in my x-fi?
post #1841 of 2194
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post #1842 of 2194
is there any way you can take a picture of the area the opamps are in?
post #1843 of 2194
Quote:
Originally Posted by Salvador View Post
hey franksy i was trying to dig up on every imaginable x-fi mod thread and I actually found something interesting:

The X-Meridian 7.1 Thread - Page 62 - AVS Forum

It's actually in the meridian thread. The guy had the same buzzing/noise symptoms and apparently he soldered the opamp in reverse. Maybe this is the case with the center/sub opamp in my x-fi?
I had this happen when I first tried modding my X-Fi Fatal1ty - turned out to be a cold solder joint on one of the op-amps.

BTW - I did this mod about a year ago, but only today did I finally get a chance to run my X-Fi into a good amp and set of speakers! Prior to this, I was living in a small apartment and was pretty much listening through headphones.

All I can say is...holy crap!

The X-Fi is running into my old Yamaha RX-V870 which is driving a pair of Cerwin Vega E712's, and a pair of Paradigm Micro v3's. Very impressed!!

Thanks again to the OP for the outstanding tutorial.
post #1844 of 2194
I just thought I'd register and say thanks for the guide. I did mine today and it took me about 20 minutes, cost was £10 for the parts so I am happy overall.
post #1845 of 2194
Does the LME49720MA opamp work on x-fi??
Its the only one opamp i can get..
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