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Serial Data issue on PIC METERTX METERRX


 
Edited

Hello,
For years I have been using a software program called LDG Tuner Control, to interface my AT-1000ProII Autotuner () with my PC by using the meter jack at the back of the tuner, but I lost the capability recently either due to a software or hardware failure. At first I changed my USB to serial interface used to control the tuner. Then verified the computer sends the commands to the tuner using a serial sniffer, but noticed the tuner does not respond.
?
The tuner works just fine otherwise, it just does not give a power readout and the ability to remote control it.
?
?
Looking at the schematic, the METERTX and METERRX lines used for communication between the PC and the tuner, go to the PIC? directly (photo attached).
Is it possible that by chance, those pins got fried, without the rest of the chip being affected?
If so is it possible to burn a new PIC to test it out? My label says ver1.7? I have seen a hex dump available in the file section named at1000pro2520_112312.hex?? Does that work for my version? Any help is appreciated. Thank you.
?
?
73, Relu NJ9R


 

LDG is very good about replacement parts. If parts are available you likely need just to ask LDG and they will send it out to you.

If you do get a replacement, I’d suggest a couple of 5V, unipolar TVS diodes to GND on the serial lines.

On Fri, Mar 21, 2025 at 23:29 Relu Jianu via <rjianu=[email protected]> wrote:

[Edited Message Follows]

Hello,
For years I have been using a software program called LDG Tuner Control, to interface my AT-1000ProII Autotuner () with my PC by using the meter jack at the back of the tuner, but I lost the capability recently either due to a software or hardware failure. At first I changed my USB to serial interface used to control the tuner. Then verified the computer sends the commands to the tuner using a serial sniffer, but noticed the tuner does not respond.
?
The tuner works just fine otherwise, it just does not give a power readout and the ability to remote control it.
?
?
Looking at the schematic, the METERTX and METERRX lines used for communication between the PC and the tuner, go to the PIC? directly (photo attached).
Is it possible that by chance, those pins got fried, without the rest of the chip being affected?
If so is it possible to burn a new PIC to test it out? My label says ver1.7? I have seen a hex dump available in the file section named at1000pro2520_112312.hex?? Does that work for my version? Any help is appreciated. Thank you.
?
?
73, Relu NJ9R


 

开云体育

Program seems old and uninstall able on windows as is.

?

W4JDY / EM79xr / ITU 8 / CQ 5

?

From: [email protected] <[email protected]> On Behalf Of Relu Jianu via groups.io
Sent: Saturday, 22 March, 2025 00:26
To: [email protected]
Subject: [ldgelectronics] Serial Data issue on PIC METERTX METERRX

?

Hello,

For years I have been using a software program called LDG Tuner Control, to interface my AT-1000ProII Autotuner () with my PC by using the meter jack at the back of the tuner, but I lost the capability recently either due to a software or hardware failure. At first I changed my USB to serial interface used to control the tuner. Then verified the computer sends the commands to the tuner using a serial sniffer, but noticed the tuner does not respond.

?

The tuner works just fine otherwise, it just does not give a power readout and the ability to remote control it.

?

?

Looking at the schematic, the METERTX and METERRX lines used for communication between the PC and the tuner, go to the PIC? directly (photo attached).

Is it possible that by chance, those pins got fried, without the rest of the chip being affected?

If so is it possible to burn a new PIC to test it out? My label says ver1.7? Have not seen any hex dump available in the file section.

Any help is appreciated. Thank you.

?

?

73, Relu NJ9R


Virus-free.


 

Stop


On Sat, Mar 22, 2025, 6:34 PM W4JDY1953_G via <W4JDY1953=[email protected]> wrote:

Program seems old and uninstall able on windows as is.

?

W4JDY / EM79xr / ITU 8 / CQ 5

?

From: [email protected] <[email protected]> On Behalf Of Relu Jianu via
Sent: Saturday, 22 March, 2025 00:26
To: [email protected]
Subject: [ldgelectronics] Serial Data issue on PIC METERTX METERRX

?

Hello,

For years I have been using a software program called LDG Tuner Control, to interface my AT-1000ProII Autotuner () with my PC by using the meter jack at the back of the tuner, but I lost the capability recently either due to a software or hardware failure. At first I changed my USB to serial interface used to control the tuner. Then verified the computer sends the commands to the tuner using a serial sniffer, but noticed the tuner does not respond.

?

The tuner works just fine otherwise, it just does not give a power readout and the ability to remote control it.

?

?

Looking at the schematic, the METERTX and METERRX lines used for communication between the PC and the tuner, go to the PIC? directly (photo attached).

Is it possible that by chance, those pins got fried, without the rest of the chip being affected?

If so is it possible to burn a new PIC to test it out? My label says ver1.7? Have not seen any hex dump available in the file section.

Any help is appreciated. Thank you.

?

?

73, Relu NJ9R


Virus-free.


 

Thanks everyone I reached out to LDG. Sorry for wasting the bandwidth here but do appreciate the group and the answers.
?
73!


 

开云体育

I cannot get this software to work in Windows 10.

?

From: [email protected] <[email protected]> On Behalf Of Olev Isak via groups.io
Sent: Saturday, March 22, 2025 6:41 PM
To: [email protected]
Subject: Re: [ldgelectronics] Serial Data issue on PIC METERTX METERRX

?

Stop

?

On Sat, Mar 22, 2025, 6:34 PM W4JDY1953_G via <W4JDY1953=[email protected]> wrote:

Program seems old and uninstall able on windows as is.

?

W4JDY / EM79xr / ITU 8 / CQ 5

?

From: [email protected] <[email protected]> On Behalf Of Relu Jianu via
Sent: Saturday, 22 March, 2025 00:26
To: [email protected]
Subject: [ldgelectronics] Serial Data issue on PIC METERTX METERRX

?

Hello,

For years I have been using a software program called LDG Tuner Control, to interface my AT-1000ProII Autotuner () with my PC by using the meter jack at the back of the tuner, but I lost the capability recently either due to a software or hardware failure. At first I changed my USB to serial interface used to control the tuner. Then verified the computer sends the commands to the tuner using a serial sniffer, but noticed the tuner does not respond.

?

The tuner works just fine otherwise, it just does not give a power readout and the ability to remote control it.

?

?

Looking at the schematic, the METERTX and METERRX lines used for communication between the PC and the tuner, go to the PIC? directly (photo attached).

Is it possible that by chance, those pins got fried, without the rest of the chip being affected?

If so is it possible to burn a new PIC to test it out? My label says ver1.7? Have not seen any hex dump available in the file section.

Any help is appreciated. Thank you.

?

?

73, Relu NJ9R

?

Virus-free.


 

开云体育

What is the latest firmware for this tuner – anyone ask LDG y

W4JDY / EM79xr / ITU 8 / CQ 5

?

et?

?

?

From: [email protected] <[email protected]> On Behalf Of Olev Isak via groups.io
Sent: Saturday, March 22, 2025 6:41 PM
To: [email protected]
Subject: Re: [ldgelectronics] Serial Data issue on PIC METERTX METERRX

?

Stop

?

On Sat, Mar 22, 2025, 6:34 PM W4JDY1953_G via <W4JDY1953=[email protected]> wrote:

Program seems old and uninstall able on windows as is.

?

W4JDY / EM79xr / ITU 8 / CQ 5

?

From: [email protected] <[email protected]> On Behalf Of Relu Jianu via
Sent: Saturday, 22 March, 2025 00:26
To: [email protected]
Subject: [ldgelectronics] Serial Data issue on PIC METERTX METERRX

?

Hello,

For years I have been using a software program called LDG Tuner Control, to interface my AT-1000ProII Autotuner () with my PC by using the meter jack at the back of the tuner, but I lost the capability recently either due to a software or hardware failure. At first I changed my USB to serial interface used to control the tuner. Then verified the computer sends the commands to the tuner using a serial sniffer, but noticed the tuner does not respond.

?

The tuner works just fine otherwise, it just does not give a power readout and the ability to remote control it.

?

?

Looking at the schematic, the METERTX and METERRX lines used for communication between the PC and the tuner, go to the PIC? directly (photo attached).

Is it possible that by chance, those pins got fried, without the rest of the chip being affected?

If so is it possible to burn a new PIC to test it out? My label says ver1.7? Have not seen any hex dump available in the file section.

Any help is appreciated. Thank you.

?

?

73, Relu NJ9R

?

Virus-free.