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Hello Brian, The attached schematic contains the PB1547 regulator circuit. Nestor VE7RSN [email protected]> wrote:

Nestor the board is PB1547 Regulator. [email protected]> wrote:

Thx Nestor , Turns out it was c11 dead short, burning out r40. I am presently working on another 101 , the first one is a 101b, the one I am working on now is a 101e, and I am having problems as the

Check C109 connected to R40 nearby for possible short. Nestor VE7RSN

Hi all,, Working on a very nice 101e, unfortunatly , R40 is burnt to a crisp, does any one have ny idea what the cause may be , meter tells me there is a dead short on the output side , 300 volts is

Radio is on the air and working. Rewired the mic cable and changed out both relays. Life is good! Tom

More information: AM - No audio out. Producing a carrier. CW - It makes the tone nose, but it is not keying the radio. SSB - No audio or power out. No ALC indications. So, I have multiple issues

Thank you. The receiver is working fine. I replaced both relays so it's down to the ALC. The service manual is referencing me to the 1534 module on the top of the radio...there are several

Hi Tom, When the meter switch is set to ALC and you PTT, the meter should go to full scale at 5. ? The meter will deflect down scale from 5 depending on how loud you speak into the mic. ?The

CLARIFIER ADJUSTMENT The frequencies should coincide at CLARIFIER control OFF and 0 posi tions In the receive mode . If not, adjust potentiomeTer VR4 located near the clar ifier control potentiometer

Sadly no help ....my clarifier voltage round about 1.6V not the 4.8 V in video.? My VFO jumps 20kHz on MOX or when I turn the clarifier ON and zero it in the middle.? Beginning to suspect D13

#142 Yaesu FT 101 Series Frequency Adjustment - YouTube <https://www.youtube.com/watch?v=Q1FE9lnzEhk> Sent: Sunday, 13 April 2025 9:52 PM To: [email protected] Subject: [Yaesu-FT-101]

Hello all ... any advice gratefully accepted. ?Transmits approx 20kHz above receive frequency. ?Clarifier seems to work correctly . ?Do I start on the power board? ?Thanks

In the process of removing the VFO unit to clean and re-lubricate the reduction vernier, apparently the gasket between the VFO unit and the front panel broke in two places. ?I don’t see any

There is a seller on ebay that apparently has 11 of them for about $13 each.? I could not find the schematic in my files, and even FoxTango came up empty... Good luck! Tom ai4th

Is this what you mean? My FT101b has no raised lettering either. I thought this was normal. 73, Tom ai4th

Okay, here's a couple of pics of a FT-101FX dial bezel. I tried to capture the non-embossed nature of the lettering. Jim

Hi All, The issue I had with the original RL1 relay in my FT-101 is that the meter circuit was not working due to the relay.? I had cleaned it a few times bit did not correct the problem but it made

Hi Roberto, I found Jackson ball drive replacements here for my Heathkit HW-101 here. ?They should have one that can be used in your radio.

Thank you, Jim, much appreciated and helpful. If you can follow-up with the photo, that would be great! I'd like to see that they match. 73, Randy K7RAN