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Hi FT-847 fans!!
This is Carl, KO4SSA.
I just purchased a used 847 on eBay, from Japan. I’m wondering how to modify for US bands. As delivered only TX 144-146 and 430-440.
I’ve searched high and low on the the web, including Colin, G1IVG’s page, and emailed him!! Haven’t heard back.
I’ve tried several solder joint configurations and will not TX on 146.52 or 445000. About to give up. Is the Japan stuff transmit range burned into EPROM or something????
Colin lists several HF coverage configurations and I am able to transmit on 14.550!! (into dummy load of course) I point out as evidence that changing the solder jumpers did do SOMETHING. Also, initially the cross-band repeater item was not available on the menu and now it appeared. More evidence that changing the jumpers did something.
Thanks Carl
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Hi this is very straight forward let me dig out the info for
73
Andrew
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-----Original Message----- From: [email protected] < [email protected]> On Behalf Of Carl KO4SSA via groups.io Sent: 25 February 2022 19:10 To: [email protected]Subject: [YaesuFT847] new, hello Hi FT-847 fans!! This is Carl, KO4SSA. I just purchased a used 847 on eBay, from Japan. I’m wondering how to modify for US bands. As delivered only TX 144-146 and 430-440. I’ve searched high and low on the the web, including Colin, G1IVG’s page, and emailed him!! Haven’t heard back. I’ve tried several solder joint configurations and will not TX on 146.52 or 445000. About to give up. Is the Japan stuff transmit range burned into EPROM or something???? Colin lists several HF coverage configurations and I am able to transmit on 14.550!! (into dummy load of course) I point out as evidence that changing the solder jumpers did do SOMETHING. Also, initially the cross-band repeater item was not available on the menu and now it appeared. More evidence that changing the jumpers did something. Thanks Carl This email has been scanned by BullGuard antivirus protection. For more info visit www.bullguard.com
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On the jumpers try 101011 by jumper number, do? reset after.?
Should give HF coverage, 144-148 and 430 -450
On Fri, 25 Feb 2022 at 19:32, Carl KO4SSA via <cbeaudette99= [email protected]> wrote: Hi FT-847 fans!!
This is Carl, KO4SSA.
I just purchased a used 847 on eBay, from Japan.? I’m wondering how to modify for US bands.? As delivered only TX 144-146 and 430-440.
I’ve searched high and low on the the web, including Colin, G1IVG’s page, and emailed him!!? Haven’t heard back.?
I’ve tried several solder joint configurations and will not TX on 146.52 or 445000. About to give up.? Is the Japan stuff transmit range burned into EPROM or something????
Colin lists several HF coverage configurations and I am able to transmit on 14.550!!? (into dummy load of course)? I point out as evidence that changing the solder jumpers did do SOMETHING.? Also, initially the cross-band repeater item was not available on the menu and now it appeared.? More evidence that changing the jumpers did something.
Thanks Carl
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Here you go
73 Andrew
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-----Original Message----- From: [email protected] < [email protected]> On Behalf Of Carl KO4SSA via groups.io Sent: 25 February 2022 19:10 To: [email protected]Subject: [YaesuFT847] new, hello Hi FT-847 fans!! This is Carl, KO4SSA. I just purchased a used 847 on eBay, from Japan. I’m wondering how to modify for US bands. As delivered only TX 144-146 and 430-440. I’ve searched high and low on the the web, including Colin, G1IVG’s page, and emailed him!! Haven’t heard back. I’ve tried several solder joint configurations and will not TX on 146.52 or 445000. About to give up. Is the Japan stuff transmit range burned into EPROM or something???? Colin lists several HF coverage configurations and I am able to transmit on 14.550!! (into dummy load of course) I point out as evidence that changing the solder jumpers did do SOMETHING. Also, initially the cross-band repeater item was not available on the menu and now it appeared. More evidence that changing the jumpers did something. Thanks Carl This email has been scanned by BullGuard antivirus protection. For more info visit www.bullguard.com
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Hi here you go
733
Andrew G8UUG
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tried 110001, no work. ? Yaesu document says that jumpers 7-9 should be open. ?Where are these? I don’t see jumpers 7-9 labeled on the PCB.
( After setting jumpers: fast-lock pressed, power on,? menu 39 —> mock/w try tx on 147.0 MHz ? )
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On Feb 25, 2022, at 2:50 PM, Andrew Lenton < a@...> wrote:
Hi here you go
733
Andrew G8UUG
<FT 847mod by Yeasu.pdf>
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nope, still get “error”
(after setting jumpers: press FAST and LOCK, and power up, menu 39 ALL INIT, press MCK/W, Try TX on 144 MHz ?—> ?works Try TX on 147 MHz —> “error"
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On Feb 25, 2022, at 2:47 PM, Andy Bosworth < sidthepop@...> wrote:
On the jumpers try 101011 by jumper number, do? reset after.?
Should give HF coverage, 144-148 and 430 -450 On Fri, 25 Feb 2022 at 19:32, Carl KO4SSA via <cbeaudette99= [email protected]> wrote: Hi FT-847 fans!!
This is Carl, KO4SSA.
I just purchased a used 847 on eBay, from Japan.? I’m wondering how to modify for US bands.? As delivered only TX 144-146 and 430-440.
I’ve searched high and low on the the web, including Colin, G1IVG’s page, and emailed him!!? Haven’t heard back.?
I’ve tried several solder joint configurations and will not TX on 146.52 or 445000. About to give up.? Is the Japan stuff transmit range burned into EPROM or something????
Colin lists several HF coverage configurations and I am able to transmit on 14.550!!? (into dummy load of course)? I point out as evidence that changing the solder jumpers did do SOMETHING.? Also, initially the cross-band repeater item was not available on the menu and now it appeared.? More evidence that changing the jumpers did something.
Thanks Carl
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Also try 111010.? It seems there are different configurations , and possibly conflicting evidence.? I doubt if Yaesu would make a custom IC, just for JA market
On Fri, 25 Feb 2022 at 21:36, Carl KO4SSA via <cbeaudette99= [email protected]> wrote: nope, still get “error”
(after setting jumpers: press FAST and LOCK, and power up, menu 39 ALL INIT, press MCK/W, Try TX on 144 MHz ?—> ?works Try TX on 147 MHz —> “error" On Feb 25, 2022, at 2:47 PM, Andy Bosworth < sidthepop@...> wrote:
On the jumpers try 101011 by jumper number, do? reset after.?
Should give HF coverage, 144-148 and 430 -450 On Fri, 25 Feb 2022 at 19:32, Carl KO4SSA via <cbeaudette99= [email protected]> wrote: Hi FT-847 fans!!
This is Carl, KO4SSA.
I just purchased a used 847 on eBay, from Japan.? I’m wondering how to modify for US bands.? As delivered only TX 144-146 and 430-440.
I’ve searched high and low on the the web, including Colin, G1IVG’s page, and emailed him!!? Haven’t heard back.?
I’ve tried several solder joint configurations and will not TX on 146.52 or 445000. About to give up.? Is the Japan stuff transmit range burned into EPROM or something????
Colin lists several HF coverage configurations and I am able to transmit on 14.550!!? (into dummy load of course)? I point out as evidence that changing the solder jumpers did do SOMETHING.? Also, initially the cross-band repeater item was not available on the menu and now it appeared.? More evidence that changing the jumpers did something.
Thanks Carl
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I have enclosed a pic of mine TX ?1.8 to 70 140 to 174 420 to 470 MHz I removed the batter for better pic ? ? Avoid Transmitting 30 to 40 MHz as the HF low pass filter will heat up and burn at 100 Watts ? Does your Japan Model have the 4M UK Mod or not? ? 73 ? Andrew ? ?
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From: [email protected] <[email protected]> On Behalf Of Andy Bosworth
Sent: 26 February 2022 00:01
To: [email protected]
Subject: Re: [YaesuFT847] new, hello? Also try 111010.?
It seems there are different configurations , and possibly conflicting evidence.?
I doubt if Yaesu would make a custom IC, just for JA market ? On Fri, 25 Feb 2022 at 21:36, Carl KO4SSA via <cbeaudette99=[email protected]> wrote: nope, still get “error” press FAST and LOCK, and power up, menu 39 ALL INIT, press MCK/W, Try TX on 144 MHz ?—> ?works Try TX on 147 MHz —> “error"
On Feb 25, 2022, at 2:47 PM, Andy Bosworth <sidthepop@...> wrote: ? On the jumpers try 101011 by jumper number, do? reset after.?
Should give HF coverage, 144-148 and 430 -450 ? On Fri, 25 Feb 2022 at 19:32, Carl KO4SSA via <cbeaudette99=[email protected]> wrote: Hi FT-847 fans!!
This is Carl, KO4SSA.
I just purchased a used 847 on eBay, from Japan.? I’m wondering how to modify for US bands.? As delivered only TX 144-146 and 430-440.
I’ve searched high and low on the the web, including Colin, G1IVG’s page, and emailed him!!? Haven’t heard back.?
I’ve tried several solder joint configurations and will not TX on 146.52 or 445000. About to give up.? Is the Japan stuff transmit range burned into EPROM or something????
Colin lists several HF coverage configurations and I am able to transmit on 14.550!!? (into dummy load of course)? I point out as evidence that changing the solder jumpers did do SOMETHING.? Also, initially the cross-band repeater item was not available on the menu and now it appeared.? More evidence that changing the jumpers did something.
Thanks Carl
?
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No, does not have 4 meter mod.
The resistors on the board don’t seem to be 0 ohm, they’re 1 ohm. ?Have others found this? ?All documentation I can find says it doesn’t matter.?
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On Feb 26, 2022, at 10:01 AM, Andrew Lenton < a@...> wrote:
I have enclosed a pic of mine TX ?1.8 to 70 140 to 174 420 to 470 MHz I removed the batter for better pic ? ? Avoid Transmitting 30 to 40 MHz as the HF low pass filter will heat up and burn at 100 Watts ? Does your Japan Model have the 4M UK Mod or not? ? 73 ? Andrew ? ? ? Also try 111010.?
It seems there are different configurations , and possibly conflicting evidence.?
I doubt if Yaesu would make a custom IC, just for JA market ? On Fri, 25 Feb 2022 at 21:36, Carl KO4SSA via ??<cbeaudette99= [email protected]> wrote: nope, still get “error” press FAST and LOCK, and power up, menu 39 ALL INIT, press MCK/W, Try TX on 144 MHz ?—> ?works Try TX on 147 MHz —> “error"
On Feb 25, 2022, at 2:47 PM, Andy Bosworth < sidthepop@...> wrote: ? On the jumpers try 101011 by jumper number, do? reset after.?
Should give HF coverage, 144-148 and 430 -450 ? On Fri, 25 Feb 2022 at 19:32, Carl KO4SSA via ??<cbeaudette99= [email protected]> wrote: Hi FT-847 fans!!
This is Carl, KO4SSA.
I just purchased a used 847 on eBay, from Japan.? I’m wondering how to modify for US bands.? As delivered only TX 144-146 and 430-440.
I’ve searched high and low on the the web, including Colin, G1IVG’s page, and emailed him!!? Haven’t heard back.??
I’ve tried several solder joint configurations and will not TX on 146.52 or 445000. About to give up.? Is the Japan stuff transmit range burned into EPROM or something????
Colin lists several HF coverage configurations and I am able to transmit on 14.550!!? (into dummy load of course)? I point out as evidence that changing the solder jumpers did do SOMETHING.? Also, initially the cross-band repeater item was not available on the menu and now it appeared.? More evidence that changing the jumpers did something.
Thanks Carl
?
This email has been scanned by BullGuard antivirus protection. For more info visit? <20220226_145618.jpg>
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1 OHM is fine, a link and 1 Ohm in this instance is the same thing, probably work fine up to 470 ohm? ? 73 ? Andrew ?
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From: [email protected] [mailto:[email protected]] On Behalf Of Carl KO4SSA via groups.io
Sent: 05 March 2022 12:53
To: [email protected]
Subject: Re: [YaesuFT847] new, hello? No, does not have 4 meter mod. The resistors on the board don’t seem to be 0 ohm, they’re 1 ohm. ?Have others found this? ?All documentation I can find says it doesn’t matter.?
On Feb 26, 2022, at 10:01 AM, Andrew Lenton <a@...> wrote: ? I have enclosed a pic of mine TX ?1.8 to 70 140 to 174 420 to 470 MHz I removed the batter for better pic Avoid Transmitting 30 to 40 MHz as the HF low pass filter will heat up and burn at 100 Watts Does your Japan Model have the 4M UK Mod or not? Also try 111010.?
It seems there are different configurations , and possibly conflicting evidence.?
I doubt if Yaesu would make a custom IC, just for JA market On Fri, 25 Feb 2022 at 21:36, Carl KO4SSA via??<cbeaudette99=[email protected]> wrote: press FAST and LOCK, and power up, menu 39 ALL INIT, press MCK/W, Try TX on 144 MHz ?—> ?works Try TX on 147 MHz —> “error" On Feb 25, 2022, at 2:47 PM, Andy Bosworth <sidthepop@...> wrote: On the jumpers try 101011 by jumper number, do? reset after.?
Should give HF coverage, 144-148 and 430 -450 On Fri, 25 Feb 2022 at 19:32, Carl KO4SSA via??<cbeaudette99=[email protected]> wrote: Hi FT-847 fans!!
This is Carl, KO4SSA.
I just purchased a used 847 on eBay, from Japan.? I’m wondering how to modify for US bands.? As delivered only TX 144-146 and 430-440.
I’ve searched high and low on the the web, including Colin, G1IVG’s page, and emailed him!!? Haven’t heard back.??
I’ve tried several solder joint configurations and will not TX on 146.52 or 445000. About to give up.? Is the Japan stuff transmit range burned into EPROM or something????
Colin lists several HF coverage configurations and I am able to transmit on 14.550!!? (into dummy load of course)? I point out as evidence that changing the solder jumpers did do SOMETHING.? Also, initially the cross-band repeater item was not available on the menu and now it appeared.? More evidence that changing the jumpers did something.
Thanks Carl
? This email has been scanned by BullGuard antivirus protection. <20220226_145618.jpg> ?
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Updating batter for battery! ? ? ?
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From: [email protected] [mailto:[email protected]] On Behalf Of Carl KO4SSA via groups.io
Sent: 05 March 2022 12:53
To: [email protected]
Subject: Re: [YaesuFT847] new, hello? No, does not have 4 meter mod. The resistors on the board don’t seem to be 0 ohm, they’re 1 ohm. ?Have others found this? ?All documentation I can find says it doesn’t matter.?
On Feb 26, 2022, at 10:01 AM, Andrew Lenton <a@...> wrote: ? I have enclosed a pic of mine TX ?1.8 to 70 140 to 174 420 to 470 MHz I removed the battery for better pic Avoid Transmitting 30 to 40 MHz as the HF low pass filter will heat up and burn at 100 Watts Does your Japan Model have the 4M UK Mod or not? Also try 111010.?
It seems there are different configurations , and possibly conflicting evidence.?
I doubt if Yaesu would make a custom IC, just for JA market On Fri, 25 Feb 2022 at 21:36, Carl KO4SSA via??<cbeaudette99=[email protected]> wrote: press FAST and LOCK, and power up, menu 39 ALL INIT, press MCK/W, Try TX on 144 MHz ?—> ?works Try TX on 147 MHz —> “error" On Feb 25, 2022, at 2:47 PM, Andy Bosworth <sidthepop@...> wrote: On the jumpers try 101011 by jumper number, do? reset after.?
Should give HF coverage, 144-148 and 430 -450 On Fri, 25 Feb 2022 at 19:32, Carl KO4SSA via??<cbeaudette99=[email protected]> wrote: Hi FT-847 fans!!
This is Carl, KO4SSA.
I just purchased a used 847 on eBay, from Japan.? I’m wondering how to modify for US bands.? As delivered only TX 144-146 and 430-440.
I’ve searched high and low on the the web, including Colin, G1IVG’s page, and emailed him!!? Haven’t heard back.??
I’ve tried several solder joint configurations and will not TX on 146.52 or 445000. About to give up.? Is the Japan stuff transmit range burned into EPROM or something????
Colin lists several HF coverage configurations and I am able to transmit on 14.550!!? (into dummy load of course)? I point out as evidence that changing the solder jumpers did do SOMETHING.? Also, initially the cross-band repeater item was not available on the menu and now it appeared.? More evidence that changing the jumpers did something.
Thanks Carl
? This email has been scanned by BullGuard antivirus protection. <20220226_145618.jpg> ?
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I have tried 111010, nothing.
I have a japanese model, I'd like to use 11m band. Gives me error. Any help?
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Andrew Lenton
Andy Bosworth
