Onyx System Controller Repair
#1
Onyx System Controller Repair
I'm trying to bring up a deskside Onyx, and it looks like the system controller is damaged. When powering the system on, everything looks good until I get a "BLOWER FAIL" message and everything shuts down. The blower *is* running, but the controller reports 0 RPM. I've tried reseating all the cables, but everything looks good. Taking a cue from an archived nekochan thread:

http://archive.irix.cc/apocrypha/nekonom...683/1.html

I pulled the system controller, and it looks like several SMD transistors are damaged or missing.

Much like the poster of that 10-year-old thread, could I request that someone take a high-resolution photo of the back of their operable system controller so I can identify the missing components?

For reference it looks to me like the following labeled components are missing/damaged:

M7C5B
M4C5B (resistor?)
L8C4B (2A?)
M0B9B
M9B1B (SD?)
M7B1B (SD?)
L5B7B


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(This post was last modified: 09-16-2019, 07:36 AM by ColanderCombo.)
ColanderCombo
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09-16-2019, 07:32 AM


Messages In This Thread
Onyx System Controller Repair - by ColanderCombo - 09-16-2019, 07:32 AM
RE: Onyx System Controller Repair - by jan-jaap - 09-16-2019, 08:07 AM
RE: Onyx System Controller Repair - by ColanderCombo - 09-16-2019, 08:33 AM
RE: Onyx System Controller Repair - by mosiniak - 09-22-2019, 09:40 AM
RE: Onyx System Controller Repair - by ColanderCombo - 09-22-2019, 08:57 PM
RE: Onyx System Controller Repair - by jan-jaap - 09-23-2019, 07:40 AM
RE: Onyx System Controller Repair - by jan-jaap - 09-23-2019, 02:35 PM
RE: Onyx System Controller Repair - by ColanderCombo - 09-23-2019, 07:45 PM
RE: Onyx System Controller Repair - by ColanderCombo - 10-02-2019, 07:45 AM
RE: Onyx System Controller Repair - by jan-jaap - 10-02-2019, 09:15 AM

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