| Author |
Message |
    
85montecarlo
New member
Username: 85montecarlo
Post Number: 1
Registered: 7-2004
| | Posted on Monday, August 02, 2004 - 3:22 am: | 
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I was doing the npc-rc mod to my vr-9000 radio and i was well untill i got the Rf power levels.
To sum it up Vr-13 worked great, but vr-16 worked about the first few sec and then stop working at all. i Tested the pot and i got 0-5K on it so it works(by the way it stoped working when i was adjusting it)the knob on the front of the radio works, i can change the power. It was not the Dosy meter b/c the radio S-uint meter would not move. |
Mrblack
Junior Member
Username: Mrblack
Post Number: 33
Registered: 2-2002
| | Posted on Tuesday, August 03, 2004 - 2:15 pm: |
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The low dead key pot is up towards the front not vr16 |
Tech548
Moderator
Username: Tech548
Post Number: 188
Registered: 5-2004
| | Posted on Tuesday, August 03, 2004 - 4:19 pm: |
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Mrblack
What number (VR-Pot) are you refering to?
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85montecarlo
Just for starters, turn the board over so the printed side is up and touch up the 3 solder joints for VR-16 with your soldering iron.
You didn't say or not if you still have full power when the power control is turned all the way up. If it does indeed go to full power, then we can rule out the driver and finals.
By the way, at what power level did you set the high-power for? Hopefully not more than 8 watts because it still needs plenty of room to swing and still run relatively cool. Low power should be set at about a 1.5 watt deadkey.
Jeff
Tech548 |
Mrblack
Junior Member
Username: Mrblack
Post Number: 35
Registered: 2-2002
| | Posted on Tuesday, August 03, 2004 - 8:11 pm: |
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I could not find a number on the board for it.
Low dead key on the VR9000
The pot is by D94 in front of the radio
R156 isin back of the pot
302 is the number on top of the pot
The pot is blue in color and is between
the two white wire connectors.
This is where I found it in mine
Hope this helps |
85montecarlo
New member
Username: 85montecarlo
Post Number: 2
Registered: 7-2004
| | Posted on Wednesday, August 04, 2004 - 2:10 am: |
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Yes, I still have full power if i want it, and i pull the 5-K pot out to replace it but then i just tested it and it worked(but it still don't change low power). So i know the solder joints are good. After i posted this i looked "again" for this same problem and found a post on it. here it is http://www.copperelectronics.com/cgi-bin/discus4/board-auth.cgi?file=/34/10865.html
Tell me what you think |
Tech548
Moderator
Username: Tech548
Post Number: 196
Registered: 5-2004
| | Posted on Wednesday, August 04, 2004 - 6:24 pm: |
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Montecarlo
To answer your question, I think I am now totally confused.
Jeff |
