President Taylor 4

Post by **ChubbyChops** » 16 Sep 2021, 16:13

Does anyone know how to get into the Service / Engineering menu on the Taylor 4 please?
It's only doing 3 watts and I'd like my allowed maximum of 4

I've looked inside and there are no adjustments at all so it must be all done from a secret menu.

Post by **ch25** » 16 Sep 2021, 16:20

I bet it's a measurement error

Post by **ChubbyChops** » 16 Sep 2021, 18:07

According to the S Meter everyone is hitting me at +30 too !

Post by **ch25** » 16 Sep 2021, 18:27

That's very optimistic

Post by **ChubbyChops** » 16 Sep 2021, 19:43

Everything else is OK so just need to tweak those settings.

Post by **Alucard** » 16 Sep 2021, 20:09

Turn off, hold F button down, turn on?

Post by **ChubbyChops** » 17 Sep 2021, 06:51

Alucard wrote: ↑16 Sep 2021, 20:09 Turn off, hold F button down, turn on?

That's the process for the country selection.
I'll keep trying the various button / switch combinations.

Post by **Alucard** » 17 Sep 2021, 07:03

Maybe there isn't a secret menu and you have to make internal adjustments like in the olden days

Post by **Alucard** » 17 Sep 2021, 08:15

Haven't got a service manual for Taylor 4 but I have for 3, just checked they use the same board PA-434 and adjustment points.
Variable resistor RT202 is FM power, RT2 is signal meter receive.

Post by **ChubbyChops** » 17 Sep 2021, 09:06

No internal adjustments at all on the Taylor 4 so whilst maybe the same board, they have moved everything to a service menu.
Anyway, I've found the convoluted combination of switch positions and button presses and made the necessary adjustments.

Post by **Alucard** » 17 Sep 2021, 09:25

I downloaded a pic of the IV guts to compare with my manual and the variables were also in the pic. I guess someone uploaded a Taylor 3 by mistake or it's an early version.
What were the combinations?

Post by **ChubbyChops** » 17 Sep 2021, 10:30

Alucard wrote: ↑17 Sep 2021, 09:25 What were the combinations?

EMG - Off
ANL - Off
CB/TB switch to CB

Hold PTT, MODE and F whilst turning on

Disclaimer to anyone reacting to this.
Do not mess with the settings unless you know what you are doing and have suitable test equipment.
I am not responsible if you **** it up.
You have been warned.

Post by **Alucard** » 17 Sep 2021, 11:51

Thanks, always handy to know

Post by **ChubbyChops** » 17 Sep 2021, 12:02

As a side, on every one of the latest President service menu driven radios, the FM deviation needs setting to 511 to get 2.2khz dev.
This is as high as you can set it and is needed for the stock President mic.
Obviously turn it down to suit if using a power mic.

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