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Using the DIMMER on the highest at "0" I have the same. ----- Mensagem de Andrew Lenton <a@...> --------- Data: Sat, 2 Sep 2023 14:37:21 +0100 De: Andrew Lenton <a@...> Assunto: Re:

Hi Check the contrast level on your radio it needs turning up, the whole display is opaque KR Andrew Sent: 02 September 2023 14:18 To: [email protected] Subject: Re: [YaesuFT847] No S meter reading

Forgot to add, sorry. Now the pics are attached.

Hi you can I did this, I will look up and see what I can find Sent: 02 September 2023 00:41 To: [email protected] Subject: [YaesuFT847] DISC (Discriminator Center Meter) My DISC is way off center

Ok not received yet! Sent: 02 September 2023 11:32 To: [email protected] Subject: Re: [YaesuFT847] No S meter reading I'm sending 4 pics, 2 from the FT847 and 2 from TS570D. Same antenna and

I'm sending 4 pics, 2 from the FT847 and 2 from TS570D. Same antenna and frequency. Just to see the diference. TNX for the help. CU3AK ----- Mensagem de Andrew Lenton <a@...> --------- Data:

Hi can you send a pic? KR Andrew Sent: 02 September 2023 00:28 To: [email protected] Subject: Re: [YaesuFT847] No S meter reading Hi Andrew, After removing the front panel, clean all contacts, now

There are settings in the menu to adjust it, but you will need an accurate frequency generator to set it up.

My DISC is way off center and has been since buying. How do you adjust this to get the display to read in the center? My transmissions are find and I used a frequency counter to check to see if I am

Hi Andrew, After removing the front panel, clean all contacts, now with RF AMP on I have some reading. If you could please help me I will do my best to follow your instructions. 73 CU3AK

Hi all, Since the MD-36D8 DTMF microphones are no longer available, has anyone modified something like a Yaesu MH-36A6J with the modular plug?? Is there an aftermarket version available i'm not aware

Many thanks indeed Andrew, will do. 73s Emilio

They are not test points but links, you have to remove and insert an amp meter and measure the current, it is in the service manual, first check the I/P to the amp first. From memory something lile

Yes, will have a look at the test points of the HF PA unit Thanks

The HF PA is under the main board, tricky to get to but doable 73 ?Get BlueMail for Android ?

You will get there ?Get BlueMail for Android ?

Many thanks? indeed for the hint. Will have a look at the testing procedure in the service manual Yes, 144 and 432 Mhz are fine. Regards Emilio IK0OKY

Ok then the PA transistors are not been driven, 100 Watts is over 20 Amps, so it is not the low pass filters. You will need to probe the HF PA, check the bias pots? are are creating the correct

Roughly 5 A at 50 Mhz? with an unstable reading on the power supply

How much current is it drawing at full throttle ?Get BlueMail for Android ?