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after looking things over a little more i think you ment inject mic input on + side of c94 if i were to pull i would have no rx sound out speaker right .....anything eles i can change to give better tx audio ..........and on the rx side anything i could change there to make improvements...
#2 08-31-2013, 09:37 AM
JoeDirt
Senior Member
iTrader: (1) Join Date: Dec 2008
Posts: 197
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C94 is what you want to bypass the audio amplifier, your only limiting factor will be the...
can you please explain .....what should i do ?????? should i pull c94 and just bridge soder points... or inject mic input there... or would i be better off changing value of c94 thanks
can someone help me out and take a look at this schematic and tell what to change out or to bypass to get fuller hifi tx am audio... looking for loud natural with good range for bass and treble ....what caps should I change or would I be better off trying to inject mic input at a different...
can someone help me out and take a look at this schematic and tell what to change out or to bypass to get fuller hifi tx am audio... looking for loud natural with good range for bass and treble ....what caps should I change or would I be better off trying to inject mic input at a different...
tx is 1.8000 -56.0000 , 137.0000 - 164.0000 , 420.0000 -470.0000
rx you also get 118.0000 - 137.0000 , 76.0000- 108.0000 and .100 - 1.8000
am I missing anything
naming filter went smooth pin 1 and 6 to ground on a inrad 2.0 filter rename menu #64 2.0 ..
pics of mod and filter name change
anyone ever rename optional filters ...any problems with this
> Using menu option #64 (undocumented) to give custom names to custom
> > filters installed in the FT-897D works fine! Here is an updated table
> > of the combinations
> > Grounded pins/ Label
> > displayed
> >
> > (none)|...
KB2LJJ Radio Mods Database and Manuals
Allan's Place - FT857D - All Band Modification
allans page has a jumper chart
im going to install a inrad 2.0 ssb filter tonight and i will take pics and look at the sn#
yes i did remove jumpers 1 2 and jump 6 7 8 9 on a days old ft857d usa bought 2013 from gigaparts when i get home can look at the sn# can also take pic if you like .......never did try the mod with jumpers 1 2 installed ....
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