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ok so everything checked out on those parts, as i was sitting here looking at everything, i decided i was going to check all the vr pots, , i found that vr7 has no power at all going to it, i traced that back to r131, r131 had power to one side and nothing on the other side, looking closer at...
grant xl is a really solid radio, i have mine set up as a base here in the house and hooked to a bandit II, when i had it in the mobile i was able to talk a good 45 miles on lsb with a 5 foot stainless steal whip, put an astatic 636-L, and you will sound better on the air,,, enjoy the radio, i...
on Q41 its not solder to the board it has a llittle pcb board soldered to it and mounted to the back of the radio, its got three wires comeing from the little board and running to the main pcb board, i will follow the wires and test them parts as you instructed and see what i come up with,, i do...
ok heres what ive come up with
D78 test forward
559
D78 test backward
1640
Pin 1 is 8 volts
C172 is 12 volts
thats what i came up with,,,, if the number seem a little low, it is because im useing a battery in the house here, so i figure everything that suppose to read 13.8 will...
i dont mind hearing the bad noise on the radio LC whts the worst i can find out that its shot,lol well part of it is right now, but thats why im here, to figure out whats going on and how to fix it, ill check them parts as you specified and well go from there, Thanks Mark
I likemy grant xl as well, it is the best one i have had so far and i do hope i can get it figured out, im sure it has to be something simple, but i just haent come across what it is, Im not sure how ill react to haveing a completely working grant again, i think it was working for about 4 months...
Yea it says Q71 its small round and black has 4 legs , the legs are comeing out in the left top right and bottum in a plus pattern, it says 68 k85 on the top of it, thanks mark
Ok heres what i came up with for volts,
Driver - B - 1.04, C - .05, E - 1.94
Final - B - 2.80, C - .10, E - 1.70
Am Reg - B - 8.55, C - 9.47, E -7.57
Q41 metel mount tab to metel chassis
No connection
Am DK VR10 Up
10 watts
Am Dk VR10 Down
10 watts
as far as Q71 it is to the...
ok replaced am power reg, am voltage reg driver final mb8719 c174 c188 and q21, volts are good on all replaced items, still no tx, checked d40, volts are good as well, was looking at q71 and wondering what q71 was for in the grant xl, radio still rx fine but still no tx and keys up at 10 watts...
I never thought about flipping am on, i know when i was on lsb 38 there it was great, but im sure it was great pretty much anywhere that heard hawaii, they were comeing in strong up here so, im sure they were doing great most other places too, i know im running a barefoot radio and the other 2...
well it seemed that minnesota had a pipe line to Hawaii today, i made a hit out there, my buddy north of me made 3 hits and a buddy west of me made a hit out of his mible, so all in all it was a good day for us, weve been hearing more and more every day it seems so it was bound to open up a...
looking at a pcb layout i have here im comeing up with L39 s a 470uh and L42 is a is2075k the other number i have on it is LB209,, on the L42 im not sure hwich is the value but those are the two numers i have on them, hope this helps you out a little bit,,,,,mark
glad im not the only one hearing them on the air, , its been just crazy up here in minnesota, from the time i turn the radio on it was loud until about 2 hours ago, it was bad to the point i couldnt here a couple of locals up here, but hopefully we can get some good conditions again and be able...
The power supply is one thing to look at, another would be as stated before , the heat sink on your CPU might be dirty, and another thing to look at as far as the heat sink goes is when you take the heat sink out and clean it, look at the heat compound that is on the CPU and the heat sink, ive...
boy you all sure do get the luck, we up here in minnesota havent heard anything really worth braging about in over a week now, so im guessing skip just dont like our neck of the woods, thats ok , some day well get some to brag about again,,,,mark
ok so that ideas in the "what was i thinking box" now,lol thats ok, but as far as my problem with the dipole setup ive got now, what could be the cause as to why i can tx good but can barely rx , i can hear the wife when ses going to work and comeing from work but she only works about 3 miles...
ok so ive got 2 five foot stainless steel base loaded mag mount antennas laying around that i dont use, woudl it be possible to set them up and use both as a dipole antenna, i was thinking about running the setup vertical, so i was going to run the braided wire to the bottom antenna and the...
well dr jiggler, i would be usin just one or the other, but, Am is messed up on the grant xl and the sears is only a 23 channel, i use the sears for talking local on AM and i use the grant xl for talking further out or shooting skip, i think once i get the grant fixed and a different crystal to...
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