E-mu Emulator Sampler User Forum for the EIII EII EI and EIII XP - Does it need to be soldered or?not?

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| | |-+  Does it need to be soldered or?not?
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Author Topic: Does it need to be soldered or?not?  (Read 3131 times)
Electro disco club
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Sp 12 turbo / Emu II /


« on: November 18, 2024, 01:21:05 PM »

Hello EII people

So I?m working on my pcb board .
I?ve made some solder to change ceramic capacitors and change w1 w2 w3 w4 to upgrade to EII+ .
It was late on the evening and tired and I wonder about a solder on IC11.
On this pictures can you tell me if the solder connexion is correct between the 2 pins or it is a bad manipulation I?ve made myself?? Maybe I?ve made a wrong connexion when I soldered w1 w2 w3 w4??
I have tons of  pcb pictures with IC but no pictures from the other side  Undecided

Thank you


* IMG_1600.jpg (440.93 KB, 849x1124 - viewed 163 times.)
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Electro disco club
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Sp 12 turbo / Emu II /


« Reply #1 on: November 21, 2024, 03:29:56 AM »

Nobody to share a picture with the pcb board? Roll Eyes

Please
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Wolfram
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« Reply #2 on: November 23, 2024, 10:34:28 AM »

Are you sure this is IC11?
If I look on these picture the IC11 does not match with yours.
https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjQaCBWP0BQLhnIjaQXe42KG4OkhPLqPkAgCrn-chqouOvMTXcdo0cLioRYjAcVgZlIEPUChBZRZYwxdU2-0bPw-Ln7f67xc-zCisXLBjfpuzKEWrDE1Dw9WlmBolKWZiOeVIfoag/s1600/9.jpg
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Electro disco club
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Sp 12 turbo / Emu II /


« Reply #3 on: November 24, 2024, 12:36:16 PM »

Thank you for your picture

Yes it is behind ic11, my picture is the other side.
I?ve tried to take off the weld and it seems that it is connected.
So I think that it is correct.

* Afficher les photos r?centes 2.png (0 KB - downloaded 85 times.)

* Afficher les photos r?centes 2.png (5052.64 KB, 1170x2532 - viewed 147 times.)
« Last Edit: November 24, 2024, 12:38:32 PM by Electro disco club » Logged

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Electro disco club
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Sp 12 turbo / Emu II /


« Reply #4 on: November 28, 2024, 06:22:05 AM »

And I can confirm thanks to manual service 7-23 Ram timing
Pin 4 and 5 are connected together to the ground



* Capture d??cran?. 2024-11-28 ? 14.20.19.png (633.34 KB, 1170x1558 - viewed 136 times.)
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E-mu Emulator Sampler User Forum for the EIII EII EI and EIII XP - Does it need to be soldered or?not?

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