| Author |
Message |
    
Airplane1
Junior Member
Username: Airplane1
Post Number: 14
Registered: 5-2004
| | Posted on Thursday, June 03, 2004 - 12:56 pm: | 
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Hi, I have a Pyramid power supply that the voltage meter says 15.5 volts, I checked the voltage out put with a volt meter that I know is accurate and it shows 13.5.
So it is putting out the correct output but I want to know if the meter in the power supply can be adjusted to show 13.5 instead of 15.5.
Thanks,
airplane1 |
Ca346
Advanced Member
Username: Ca346
Post Number: 803
Registered: 8-2003
| | Posted on Thursday, June 03, 2004 - 10:28 pm: |
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Airplane:
I also have a Pyramid 46. My voltage reading (on the binding posts) is 13.83V and my meter reads a hair below 15V also. Sorry I can't help with the adjustment. Just thought I would commisserate with you.... and Welcome to the FORUM! |
Jp1116
Member
Username: Jp1116
Post Number: 58
Registered: 5-2002
| | Posted on Thursday, June 03, 2004 - 11:11 pm: |
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I checked 4 models with meters and they all show a variable resistor in line with the meter. On 3 of them it comes off the negative side of the meter and before a 30k ohm resistor. On the older 4th version there was no fixed resistor, the variable was mounted on a board on the back of the meter. |
Airplane1
Junior Member
Username: Airplane1
Post Number: 17
Registered: 5-2004
| | Posted on Friday, June 04, 2004 - 11:17 am: |
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Hi again,
I see what looks like a screw head at the pivit area on the meter, I was thinking of trying to adjust it that way!
I would think they adjust them at factory. You would think there would be a way.
Hope some one can figure it out,I emailed the company twice and get no responce.
airplane1
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Ca346
Advanced Member
Username: Ca346
Post Number: 804
Registered: 8-2003
| | Posted on Friday, June 04, 2004 - 12:38 pm: |
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I checked my MFJ-4035 also. 13.72V on the posts when the Power Supply meter reads 13.8V |
Geekster
New member
Username: Geekster
Post Number: 7
Registered: 6-2004
| | Posted on Tuesday, June 15, 2004 - 9:40 pm: |
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That adjustment at the pivot point is for zeroing the meter. You should be able to adjust with the trim pot that is near the meter.
Good Luck |
Airplane1
Junior Member
Username: Airplane1
Post Number: 32
Registered: 5-2004
| | Posted on Wednesday, June 16, 2004 - 8:08 am: |
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Thanks Geekster,
I will give it a try.
airplane1 |
