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Author Topic: Yaesu FT-101EE 10m Alignment Problems  (Read 3155 times)

Posts: 36

« on: July 20, 2004, 02:09:14 AM »

Turns out that there isn't anyting wrong with my FT-101EE in terms of
tuning, I'm just used to my Kenwood TS-830S...

However, the radio does have an alignment problem on all of it's 10
meter bands (no problems on 160m-15m tho). Band 10A is practically
dead, 10B has a little noise, and same for 10C and 10D. However, when
I transmit to it to see if indeed there was a problem using my
Kenwood TS830S or my HTX-10, I get almost no signal on any of the 10m
bands. There are some distorted "ghost" signals of my transmission
where they shouldn't be though. So, I took the cover off and
inspected the crystals via the user's manual, and found that all the
10m crystals were jumbled up. So, I put them back in order (x-tal
freq. match the book, and there was no 11m x-tal in it) and the
problem only got a little worse.

So, how do I go about aligning the 10m portion again? My guess is
that a few 11m crystals found their way into the 10A, 10B, 10C, and
10D slots. All the other bands are fine, its just 10m that is
effected. No 11m crystal, although I do intend to install a 33.020MHz
crystal (27.000MHz - 27.500MHz) for reception only (I really am
serious). Also, what is the X12 crystal position for?

TNX & 73's,
Fabian X.C.S.

Posts: 54

« Reply #1 on: July 20, 2004, 09:28:10 AM »

Some of the late model FT-101 E-series radios have their crystals in a different order. (Ask me how I know.) Best thing to do is use another transmitter or frequency generator, set the desired band on the FT-101, and plug in the crystals one by one until you hear the signal.

It's possible that your radio was "butchered" for use on 11M. Happens all the time. But realignment is easy. Instead of a frequency generator, you can use the crystal calibrator instead. Just tune the calibrator until you have a less-than-S9 signal and go to work!

By the way, nothing goes into X12. Just an extra slot.

Posts: 36

« Reply #2 on: July 20, 2004, 05:52:03 PM »

Earlier today I managed to figure this out...

10A: Very, Very Dead (34.02 X-TAL)
10B: 28.5MHz is 28.0MHz | 29.0MHz is 28.5MHz (34.52 X-TAL)
10C: 29.0MHz is 28.5MHz | 29.5MHz is 29.0MHz (35.02 X-TAL)
10D: 29.5MHz is 29.0MHz | 30MHz is 29.5MHz (35.52 X-TAL)

As I said earlier, all the crystals are of the proper frequency (as far as I can tell via the book and crystal cover), and they are all in their place. Hmmmmm...Whats going on here? I'm thinking of putting the 10B X-TAL where the 10A X-TAL should be, the 10C X-TAL where the 10B one shoudl be, and the 10D X-TAL where the 10C one should be. But still...what happened to my full 10m band coverage? How can I rectify this problem?

TNX & 73's,
Fabian X.C.S.

Posts: 559

« Reply #3 on: July 20, 2004, 06:16:17 PM »

If you are lucky, the first xtal was used for channel 1, the second xtal was used to bring the rig up to 28 Mcs.  The last two xtals weren't touched.

putting the xtal for 28 Mcs into the second xtal slot might bring you close to where you want to be.

The problem with ham rigs on CB is that one never knows what was done to the rig (by someone who didn't have any idea what they were doing).

I seem to remember an open xtal slot that was for receive only.  SOme people bought a wwv xtal for that slot.


Posts: 36

« Reply #4 on: July 20, 2004, 06:31:17 PM »

Ahh, theres more! I jsut finished moving the 10B X-TAL to 10A, 10C to 10B, and 10D to 10C, and voila now I have full 10m band coverage even on 10D where there is NO CRYSTAL. YES, THERE IS NO CRYSTAL ON 10D AND I STILL HAVE FULL 10D BAND COVERAGE! WTF?

Anyways, I put the old 10A crystal in the AUX (11m) slot and it proved to be dead there also...So I am awaiting my 33.020 (27.0MH to 27.5MHz) 11m X-TAL (for recieve only I must stress) to put in the AUX slot to see what the deal is there.

I must ask...what happened to my radio? It is the Yaesu FT-101EE and as far as I can tell it shouldn't be any different fromthe E, EE, and EX models listed in my owner's manual. There are no handwritten notes in the owner's manal, exept that an owner removed a 33.52 X-TAL from the 10A position and placed in in X12, but this was not the case when I opened the radio; there was no 33.52 X-TAL in sight (not that I would miss it...I'm not big on freebanding hihi). But this does lead me to wonder what exactly has ben butchered in tis rig.

Any Help/Ideas?

I must say I am very puzzled by this situation...

TNX & 73's,
Fabian X.C.S.
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