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Author Topic: Universal Ultra Test Taps  (Read 2847 times)
jbshocks
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« on: September 16, 2011, 01:31:09 PM »
In case anyone ever wondered what the colored beads are for on the Universal Ultra board they are for testing.  The picture shows the "beads"  Their use is as follows:

1. CH1 white  Ground 2
2. CH2 Blue VCC2 
3. CH3 Orange +30 volts
4. CH4 Black Ground 1
5. Ch5 Yellow Vcc1
6. CH6 Green Ground 3
7. Ch7 Red  +12 volts. 

I don't have Vcc 1 and 2 voltage handy.  Maybe Uniman has it handy.  One word of warning. The ultra does not have a shared ground.  The 3 grounds are unique. 

* IMG_1195.JPG (448.83 KB, 1600x1200 - viewed 468 times.)
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uniman
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« Reply #1 on: September 16, 2011, 11:01:28 PM »
Quote from: jbshocks on September 16, 2011, 01:31:09 PM
In case anyone ever wondered what the colored beads are for on the Universal Ultra board they are for testing.  The picture shows the "beads"  Their use is as follows:

1. CH1 white  Ground 2
2. CH2 Blue VCC2 
3. CH3 Orange +30 volts
4. CH4 Black Ground 1
5. Ch5 Yellow Vcc1
6. CH6 Green Ground 3
7. Ch7 Red  +12 volts. 

I don't have Vcc 1 and 2 voltage handy.  Maybe Uniman has it handy.  One word of warning. The ultra does not have a shared ground.  The 3 grounds are unique. 

I'm finding Vcc 1, yellow, at 5 Vdc and Vcc 2, blue, also 5 Vdc.
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jbshocks
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« Reply #2 on: September 16, 2011, 11:11:32 PM »
was that from a meter test?  If so what ground did you use?
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uniman
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« Reply #3 on: September 17, 2011, 12:18:21 AM »
Quote from: jbshocks on September 16, 2011, 11:11:32 PM
was that from a meter test?  If so what ground did you use?
I made a test station with power supply, backplane and mpu board.
Used the white ground with the blue tap and the black ground with the yellow tap.
I don't see where the Vcc 2 gets used?
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