+10kc jump for stalker9

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dt307
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+10kc jump for stalker9

Post by dt307 » 20 Feb 2017, 01:47

desolder pin 9 on ic5(9dx)or ic301(9fdx)
IMG_0185.JPG
remove the retaining screws for the font pannel to give you room enough to work.(9fdx) as the ic301 is located on the channel selector board
you can isolate pin 9 but cutting the track but i never cut tracks unless no other way can be found.
this is the way i do it and i have not seen it done like this
please make sure the pin 9 is desoldered properly before you continue.
insert a small flat screwdriver between pin 10 and behind pin 9 and prize it out
IMG_0186.JPG
note...the pin will come out very easy if ANY resistance is felt STOP and desolder it correctly.

connections
straighten pin 9 a little so it protrudes at roughly 90 degrees
IMG_0187.JPG
and solder a white wire to this pin (check your work and slide some heat shrinking over the joint)
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163dt307-chris




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Re: +10kc jump for stalker9

Post by dt307 » 20 Feb 2017, 01:55

solder a black wire into the hole that pin 9 was in
IMG_0188.JPG
solder a red wire WITH A 1K RESISTOR IN SERIES to constant +8v on front of pcb right by the swith or (pin 16 of either of the 4008 adders will do ic5/6 (9dx) ic301/302(fdx))
IMG_0195.JPG
you can wire the three wires to any switch wack a hole in the back ect and be as rough as you like but i will use the nb/anl (if you do want to fine but at least for the love of god find a ground and +8v constant near the switch and dont run three wires all the way from the back to the front)

first we need to disconect the nb/anl and make it constant in the on position.
IMG_0190.JPG
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163dt307-chris




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Re: +10kc jump for stalker9

Post by dt307 » 20 Feb 2017, 02:03

there is two halves to the switch 6 pins 3 left 3 right
on the left side (on this one) the upper pin is not used remove the two wires and add some heat shrink to stop them shorting on anything as they are not needed
IMG_0192.JPG
on the right side the lower pin is not used remove the two wires and solder them together and heat shrink them up
IMG_0193.JPG
wire the nb/anl switch as follows any side will do
lower pin black
middle pin white
top pin red
yep you getting the idea add some heat shrink keep it tidy
IMG_0194.JPG
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163dt307-chris




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Re: +10kc jump for stalker9

Post by dt307 » 20 Feb 2017, 02:07

the way i do it you can turn the radio back standard easy and no one will know you been in there

or if you dont want to do it that way you can cut two tracks on pin9 then solder the white wire to pin 9 cut where tweezers are pointing
IMG_0198.JPG
then you must add a jumper to restore the ground you cut to the rest of the circuit
IMG_0199.JPG
add the black wire to a ground
takes me 10-15 mins to do the mod my way but i have done a fair few

there is no right or wrong way to do this or any mod or do i think its better or worse than any i seen
i have no worries in selling a radio after doing this mod its clean,tidy,works,and can be totaly reversed and nothing gets hacked up

pic of the solder after finished
IMG_0200.JPG

JOB DONE :D
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163dt307-chris




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Re: +10kc jump for stalker9

Post by tony2803 » 20 Feb 2017, 09:02

dt307 wrote:the way i do it you can turn the radio back standard easy and no one will know you been in there

or if you dont want to do it that way you can cut two tracks on pin9 then solder the white wire to pin 9 cut where tweezers are pointingIMG_0198.JPG
then you must add a jumper to restore the ground you cut to the rest of the circuit IMG_0199.JPG
add the black wire to a ground
takes me 10-15 mins to do the mod my way but i have done a fair few

there is no right or wrong way to do this or any mod or do i think its better or worse than any i seen
i have no worries in selling a radio after doing this mod its clean,tidy,works,and can be totaly reversed and nothing gets hacked up

pic of the solder after finished IMG_0200.JPG


JOB DONE :D
Thanks Chris for taking the time. The instructions are great and laid out in an excellent format (i applaud you).
Pics are excellent and very clear. Im sure if you printed all your work off into a booklet form you would have a lot of people wanting this booklet im sure.
Going to give it a go tonight let you know how i get on. Thanks Greatly.
Last edited by tony2803 on 20 Feb 2017, 11:26, edited 1 time in total.

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Re: +10kc jump for stalker9

Post by dt307 » 20 Feb 2017, 09:32

no worries i am off today no work but got a stalker,two hy-gains and an adams i want to sink my teeth into so i will be about all day so
if your not sure on anything post here BEFORE no need to guess anything as your board is the other type and i will answer any questions as you go
m8
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Re: +10kc jump for stalker9

Post by Tripple 7 » 20 Feb 2017, 09:53

Thanks a lot Chris for taking your time to put this excellent modification in public for sure it's a great idea to publish pictures the way you did it my congratulations

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Re: +10kc jump for stalker9

Post by 14CS06 » 20 Feb 2017, 19:40

Hello Chris

Many thanks :thumbup:
Very good post :clap:

@+
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Re: +10kc jump for stalker9

Post by Raverrst » 19 Mar 2018, 21:26

Hi..
Newbie here, joined yesterday, carried out this mod this evening, works brilliantly 👌 Excellent post, very easy to follow..

Now is there a similar thread or any brainy peeps that can shed some light on getting the clarify to swing 5kc either side of twelve o clock so I can get on to the zeros to listen at least..

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Re: +10kc jump for stalker9

Post by cb4ever104 » 20 Mar 2018, 11:16

The only thing I'd add is that I normally add a 1k resistor to the wire that goes to pin 9 of the pll .
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Re: +10kc jump for stalker9

Post by Raverrst » 20 Mar 2018, 22:26

cb4ever104 wrote:
20 Mar 2018, 11:16
The only thing I'd add is that I normally add a 1k resistor to the wire that goes to pin 9 of the pll .
Forgive my lack of knowledge cb4ever104, What reason would you fit a 1k resistor? safety?

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Re: +10kc jump for stalker9

Post by cb4ever104 » 21 Mar 2018, 10:38

Hi . yeah . Just to protect . I don't like connecting +VCC wires directly .

Sammy
Last edited by cb4ever104 on 21 Mar 2018, 12:42, edited 1 time in total.
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Ex GM0 , now EA5 .
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Radios ....? Anything that says "TAIWAN R.O.C" on the back.

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Re: +10kc jump for stalker9

Post by dt307 » 21 Mar 2018, 10:59

sammy,s resistor wont hurt things and add a level of protection
protecting the +8v line from shorting out is an idea as well
if the switch should fail and the internal contacts get messed up there is a possibility the +8v line would be shorted to deck and do some damage to the regulator circuit (rare chance but possible)adding a resistor in series between the +8v line and the switch would be fine in this instance as well.

will update the post thanks sammy nice to see you m8
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Re: +10kc jump for stalker9

Post by dt307 » 21 Mar 2018, 11:07

CAN A MOD EDIT THIS PLEASE AS I CANT!

solder a red wire WITH A 1K RESISTOR IN SERIES to constant +8v on front of pcb right by the swith or (pin 16 of either of the 4008 adders will do ic5/6 (9dx) ic301/302(fdx))

THANKS
163dt307-chris




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― Albert Einstein

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Re: +10kc jump for stalker9

Post by Raverrst » 21 Mar 2018, 11:37

Ok guys will do this, thanks for the input..

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