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Kenwood & EF Johnson Forum - For discussion of land mobile radio products manufactured by Kenwood or EF Johnson. For discussion of Kenwood Amateur Radio Equipment, please use the Amateur Radio Equipment forum.

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  #81 (permalink)  
Old 05-15-2018, 8:24 PM
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Done

Police motorcycle full face helmet kit
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  #82 (permalink)  
Old 05-16-2018, 6:03 PM
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KAP-2 empowered
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  #83 (permalink)  
Old 05-16-2018, 7:31 PM
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Sucks to be a motorcycle radio dude
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  #84 (permalink)  
Old 05-16-2018, 7:33 PM
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Right out of the 8180 service manual
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  #85 (permalink)  
Old 05-16-2018, 9:47 PM
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The KAP-2 has landed! OK I apologize, the KAP-2 does not work the way I was thinking. I have done headsets on the TK-X90 series with the KAP-1 and had no problem. The TK-8180 only provides for public address function through the KAP-2 which precludes transmitting out on the selected channel (but screaming in the mic and having it come out the speaker, what fun). Bummer. But all is not lost. You can make this work. You'll have to jumper together pins 4,5, and 6 on CN-1 of the KAP-2. The plastic jumper they provide won't do it as it only does two pins. You'll have to wrap a piece of solid wire (phone or cat-5 cable) around all three and solder them to connect them. You can now connect the headset speakers to pins 4 and 5 of the 6 pin connector coming out the back of the radio. This will work fine. Sorry about that but I thought you could use a button on the control head to switch between the speaker and helmet, but that is not the case with this model. Your speaker and helmet will be active at the same time with this set up.
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  #86 (permalink)  
Old 05-16-2018, 9:55 PM
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Quote:
Originally Posted by Honda-ST1300PA View Post
Right out of the 8180 service manual
Did you read the fifth bullet point?
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  #87 (permalink)  
Old 05-16-2018, 11:34 PM
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Quote:
Originally Posted by ramal121 View Post
Did you read the fifth bullet point?
Wots all dis nonsense ‘bout technicians...


I’m an EE from the old days where we actually used soldering irons, o-scopes, ESD and grounding, and knew a little of the black arts of analog. My fav thing in college was making Tesla coils and generating gigawatts of power. So adding a daughter board was within my skill set. Well that’s the theory anyways.
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  #88 (permalink)  
Old 05-17-2018, 1:40 PM
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Quote:
Originally Posted by Honda-ST1300PA View Post
Wots all dis nonsense ‘bout technicians...


I’m an EE from the old days where we actually used soldering irons, o-scopes, ESD and grounding, and knew a little of the black arts of analog. My fav thing in college was making Tesla coils and generating gigawatts of power. So adding a daughter board was within my skill set. Well that’s the theory anyways.
Just winking at you. By your posts I am comfortable in your abilities.
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  #89 (permalink)  
Old 05-18-2018, 4:53 PM
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Time to figure out the db25 to 5-pin din pinout. (To match 8180 programming and comm set)
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  #90 (permalink)  
Old 05-18-2018, 4:58 PM
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The RAM mount matches the 8180 remote head bracket like a glove. Now waiting for the Fork cap with Ram ball to anchor it.
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  #91 (permalink)  
Old 05-20-2018, 9:43 PM
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Quote:
Originally Posted by kayn1n32008 View Post
DB-25 connections:

Pin 4: PTT(one wire here and the other to ground from the existing remote PTT switch
Pin 7: Ground
Pin 6: Mic (Tx audio from headset to radio)
Pin 17: Rx audio(from radio to headset)

In ‘Edit’ select ‘Extended Function/Aux Tab’:

Set DB-25 pin:

4: Input, Ext PTT

In ‘Extended Function/Modulation Tab’,

-MIC PTT: Mic Line=Connect, MI2=connect, DI Line=disconnect, QT=Yes, STE=Yes

-External PTT(Voice): Mic Line=disconnect, MI2=Connect, DI Line=disconnect, QT=Yes, STE=Yes



Sent from my iPhone using Tapatalk
Im not on the right page (EDIT/Extended Function/AUX), or im not getting how to get these pins to program
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  #92 (permalink)  
Old 05-20-2018, 10:52 PM
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He gave you an incorrect pin number. Pin 4 is output only. You can't convert to an input. You need to select an input pin number, I use 13 or 21 for OTT, and correct your cable. You will want External PTT (Voice)

The other pins are static functions (they are physically wired to their functions)

It happens when someone spits out of their mouth without double checking.
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  #93 (permalink)  
Old 05-21-2018, 2:46 AM
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From a wiring diagram perspective:

TK-8180K (db25 accessory port) <======> ICM-HS-130P (wires helmet 5-pin DIN for Honda Goldwing motorcycle systems)

ICM-HS-130P: pinout
1 - Mic input
2 - Mic output
3 - Ground
4 - Right speaker
5 - Left Speaker

TK-8180K: pinout
(Edit/ExtendedFunction/AUX)
13 - External PTT (voice)

(ExtendedFunction/Modulation)


I guess I need help knowing what to map each signal from the DB25 to the DIN5 specifically so I can both finish the connection diagram and the 8180 db25 pin to function programming
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  #94 (permalink)  
Old 05-21-2018, 12:01 PM
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There is only one function to map in the programming—PTT. Everything else is using pins that are permanently “mapped”.

Pin 6 is always MI2 (rear mic)
Pin 25 is the Kenwood mic ground
Pin 11 or pin 18 is ground
Pin 17 is low level audio unaffected by volume control. Not enough to drive a headset unless it has a built in amplifier
To drive speakers you’ll need to use the KAP-2 output and wire the left and right headset input together and tie them back to the KAP-2 speaker return.
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  #95 (permalink)  
Old 05-21-2018, 12:50 PM
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Quote:
Originally Posted by KK6ZTE View Post
There is only one function to map in the programming—PTT. Everything else is using pins that are permanently “mapped”.
So the only pin/signal on the AUX page is PTT VOICE (input), yes?


Quote:
Pin 6 is always MI2 (rear mic)
Pin 25 is the Kenwood mic ground
Pin 11 or pin 18 is ground
Pin 17 is low level audio unaffected by volume control. Not enough to drive a headset unless it has a built in amplifier
This info relates to the MODULATION page? (I dont see these pins on the AUX page)

Quote:
To drive speakers you’ll need to use the KAP-2 output and wire the left and right headset input together and tie them back to the KAP-2 speaker return.
So the ACCESSORY port is not how to drive a headset, and I must use the KAP-2 output to drive a headset (is that what you mean by speakers, or just literal speakers like in the motorcycle front cowl?)

Which means theres three cables?
1. DB25 (voice in)
2. KAP-2 (voice out)
3. PTT switch
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  #96 (permalink)  
Old 05-21-2018, 1:16 PM
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Quote:
Originally Posted by Honda-ST1300PA View Post
So the only pin/signal on the AUX page is PTT VOICE (input), yes?
Correct.
Quote:
This info relates to the MODULATION page? (I dont see these pins on the AUX page)
You can't change these settings, the pins aren't going to show up in the software as they are physically wired to their respective functions and are not software programmable.

The only programmable pins are the input/output logic pins. An input is something that tells the radio what to do, an output is the radio telling something what to do.

Quote:
So the ACCESSORY port is not how to drive a headset, and I must use the KAP-2 output to drive a headset (is that what you mean by speakers, or just literal speakers like in the motorcycle front cowl?)
The accessory port is low level audio that is constant level regardless of volume setting meant to feed a device such as a logging recorder, computer, modem, etc--an ACTIVE device. It doesn't have the drive for a PASSIVE device--speaker, headset, etc. (By the way, those things inside the headset that provide audio are called speakers!) You need to use the 1/4" external speaker jack or the KAP-2 speaker output to drive any passive audio accessory.
Quote:
Which means theres three cables?
1. DB25 (voice in)
2. KAP-2 (voice out)
3. PTT switch
The DB25 can handle your Mic input and PTT. However you decide to wire them is up to you. PTT just is a momentary contact close across the PTT input and ground. Just two wires for PTT. Same with mic, mic in and mic ground.

I suggest getting a copy of the TK-8180 Service Manual, it'll really help.
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  #97 (permalink)  
Old 05-21-2018, 7:45 PM
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Yeah, this doc... my questions on wiring up a headset are specifically called out and explained on pages......

Thanks!
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