74147N does not only get no change in display
Hello
I built a simple circuit. I can't make it work. I tested each section of the scheme and they operate except once the 74147 is connected.
It seems as if the 74147 is not powered. Can someone explain or help me make it work?
Thank you.
Ray
Hi Ray,
I had a glance on your circuit and I think you should add some pull ups at the entrance of the 74147. While it is probably not necessary in an environment calm in real life, it is convenient to good design to do and to avoid EMI problems down the road.
Attached, is that your circuit modified with 9 pull up of resistance.
Hope that helps.
Tags: NI Software
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the mechanic system?It's what has helped us toOpen Notepad.
Copy the following into Notepad and save it as fixme.reg
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Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\msiserver]
'DisplayName"="@%SystemRoot%\\system32\\msimsg.dll,-27 '.
"ImagePath" = hex (2): 25, 00, 73, 00, 79, 00, 73, 00, 74, 00, 65, 00, 6 d, 00, 72, 00, 6f, 00, 6f, 00,------.
74,00,25,00 5 C 00, 73, 00, 79, 00, 73, 00, 74, 00, 65, 00, 6 D, 00, 33, 00, 32, 00, 5 C, 00, 6 D,------.
00,73,00,69,00,65,00,78,00,65,00,63,00,20,00, 2f, 56, 00, 00, 00, 00
'Description"="@%SystemRoot%\\system32\\msimsg.dll,-32 '.
"LocalSystem ObjectName"=""
"ErrorControl" = DWORD: 00000001
"Start" = dword:00000003
'Type' = dword:00000010
"DependOnService" = hex (7): 72, 00, 70, 00, 63, 00, 73, 00, 73, 00, 00, 00, 00, 00
"ServiceSidType" = DWORD: 00000001
"RequiredPrivileges" is hex (7): 53, 00, 65, 00, 54, 00, 63, 00 62 00, 50, 00, 72, 00, 69, 00, 76,------.
00,69,00 6 C 00, 65, 00, 67, 00, 65, 00, 00, 00, 53, 00, 65, 00, 43, 00, 72, 00, 65, 00, 61, 00,------.
74,00,65,00,50,00,61,00,67,00,65,00,66,00,69,00, 6 C, 00, 65, 00, 50, 00, 72, 00, 69,--------.
00,76,00,69,00 6 c 00, 65, 00, 67, 00, 65, 00, 00, 00, 53, 00, 65, 00, 4 c, 00, 6f 00, 63, 00,------.
6B, 00, 4 d, 00, 65, 00, 6 d, 00, 6f, 00, 72, 00, 79, 00, 50, 00, 72, 00, 69, 00, 76, 00, 69, 00, 6 c,
00,65,00,67,00,65,00,00,00,53,00,65,00,49,00, 6F, 00, 63, 00, 72, 00, 65, 00, 61, 00,------.
73,00,65,00,42,00,61,00,73,00,65,00,50,00,72,00,69,00, 6f, 00, 72, 00, 69, 00, 74,------.
00,79,00,50,00,72,00,69,00,76,00,69,00 6 C 00, 65, 00, 67, 00, 65, 00, 00, 00, 53, 00,------.
65,00,43,00,72,00,65,00,61,00,74,00,65,00,50,00,65,00,72,00, 6 d, 00, 61, 00, 6e,------.
00,65,00, 6F, 00, 74, 00, 50, 00, 72, 00, 69, 00, 76, 00, 69, 00, 6 C, 00, 65, 00, 67, 00, 65, 00,------.
00,00,53,00,65,00,41,00,75,00,64,00,69,00,74,00,50,00,72,00,69,00,76,00,69,------.
00, 6 C, 00, 65, 00, 67, 00, 65, 00, 00, 00, 53, 00, 65, 00, 53, 00, 65, 00, 63, 00, 75, 00, 72, 00,------.
69,00,74,00,79,00,50,00,72,00,69,00,76,00,69,00, 6 C, 00, 65, 00, 67, 00, 65, 00, 00,------.
00,53,00,65,00,43,00,68,00,61,00, 6F, 00, 00, 65, 67, 00, 4F, 00, 6f, 00, 00, 69, 74, 00,------.
66,00,79,00,50,00,72,00,69,00,76,00,69,00 6 C 00, 65, 00, 67, 00, 65, 00, 00, 00, 53,------.
00,65,00,50,00,72,00, 6f, 66, 00, 00, 69, 00, 6 c, 00, 65, 00, 53, 69, 00, 00, 6F, 00, 67, 00,------.
6 c, 00, 65, 00, 50, 00, 72, 00, 6f, 00, 63, 00, 65, 00, 73, 00, 73, 00, 50, 00, 72, 00, 69, 00, 76,------.
00,69,00, 6 C, 00, 65, 00, 67, 00, 65, 00, 00, 00, 53, 00, 65, 00, 49, 00, 6 D, 00, 00, 65, 70, 00,------.
72,00,73,00, 6f, 00, 6F, 00, 61, 00, 74, 00, 65, 00, 50, 00, 72, 00, 69, 00, 76, 00, 69, 00, 6 c,
00,65,00,67,00,65,00,00,00,53,00,65,00,43,00,72,00,65,00,61,00,74,00,65,00,------.
47.00, 6 c, 00, 6f, 00, 62, 00, 61, 00, 6 c, 00, 50, 00, 72, 00, 69, 00, 76, 00, 69, 00, 6 c, 00, 65,.
00,67,00,65,00,00,00,53,00,65,00,41,00,73,00,73,00,69,00,67,00, 6F, 00, 50, 00,------.
72,00,69,00, 6 d, 00, 61, 00, 72, 00, 79, 00, 54, 00, 6f, 00, 6 b, 65, 00, 00, 6F, 00, 00, 50, 72,------.
00,69,00,76,00,69,00 6 C 00, 65, 00, 67, 00, 65, 00, 00, 00, 53, 00, 65, 00, 52, 00, 65, 00,------.
73,00,74,00, 6f, 00, 72, 00, 65, 50, 00, 00, 72, 00, 69, 00, 76, 00, 69, 00, 6 c, 00 65 00, 67,.
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00,65,00,00,00,53,00,65,00,53,00,68,00,75,00,74,00,64,00, 6f, 77, 00, 00, 6F, 00,------.
50,00,72,00,69,00,76,00,69,00 6 C 00, 65, 00, 67, 00, 65, 00, 00, 00, 53, 00, 65, 00, 54,------.
00,61,00, 6B, 00, 65, 00, 4f, 77, 00, 00, 6F, 00, 65, 72, 00, 00, 73, 00, 68, 00, 00, 69, 70, 00,------.
50,00,72,00,69,00,76,00,69,00, 6 C, 00, 65, 00, 67, 00, 65, 00, 00, 00, 53, 00, 65, 00, 4 C,
00, 6f, 00, 61, 00, 64, 00, 44, 00, 72, 00, 69, 00, 76, 00, 65, 00, 72, 00, 50, 00, 72, 00, 69, 00,------.
76,00,69,00, 6 c, 00, 65, 00, 67, 00, 65, 00, 00, 00, 53, 00, 65, 00, 42, 00, 61, 00, 63, 00, 6 b------.
00,75,00,70,00,50,00,72,00,69,00,76,00,69,00 6 C 00, 65, 00, 67, 00, 65, 00, 00, 00,------.
00.00
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Restart the PC and try to install the updates again
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Restart computer and check if updates installs.
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Microsoft KB article
http://support.Microsoft.com/kb/2642495
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