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Search found 378 matches

by GlennD
Fri Jan 25, 2019 11:50 am
Forum: Test Equipment & RF Equipment Alignment
Topic: Aeroflex (IFR) Questions
Replies: 610
Views: 59028

Re: Aeroflex (IFR) Questions

There are no markings but IFR;s on the unit. It is the same for the 1200. 1500,1600 and maybe others.
by GlennD
Thu Jan 24, 2019 5:42 pm
Forum: Test Equipment & RF Equipment Alignment
Topic: Aeroflex (IFR) Questions
Replies: 610
Views: 59028

Re: Aeroflex (IFR) Questions

I have a reference TCXO out of a parts 1500. I would sell it for %50.
by GlennD
Thu Dec 14, 2017 9:05 pm
Forum: Test Equipment & RF Equipment Alignment
Topic: Motorola R2600 options?
Replies: 5
Views: 1646

Re: Motorola R2600 options?

Late, I know, but dealing with one... Freedom Communications now is the 'owner' of the 2600 series. Some repair and all calibration still available ($675 for 2600 $750 for other variants, cal only) Trying to remove iDEN from a 2660D.... Brian KE6IYC Why bother. Unless you select it, the IDEt is jus...
by GlennD
Tue Oct 31, 2017 8:43 am
Forum: Test Equipment & RF Equipment Alignment
Topic: 9101 battery
Replies: 3
Views: 850

Re: 9101 battery

I do not think it is the same. It is molded to fit the case and it has multiple contacts. Thanks for the offer.
by GlennD
Mon Oct 30, 2017 7:14 pm
Forum: Test Equipment & RF Equipment Alignment
Topic: 9101 battery
Replies: 3
Views: 850

Re: 9101 battery

It is strange how the battery pack is made of unoptainum. I can not even find a bad pack to be sent out for rebuilding.

Old IFR parts have completely dissapeared.
by GlennD
Sat Oct 21, 2017 9:53 am
Forum: Test Equipment & RF Equipment Alignment
Topic: 9101 battery
Replies: 3
Views: 850

9101 battery

I picked up a used Willtek (Aeroflex) spectrum analyzer recently. It did not come with a battery. The unit seems to work fine.

I can not find a source for the battery. It seems to be not available anywhere. Does anyone know where I can get a battery for it?
by GlennD
Wed Sep 13, 2017 7:49 pm
Forum: Test Equipment & RF Equipment Alignment
Topic: Tone Remote keying generators
Replies: 15
Views: 2067

Re: Tone Remote keying generators

MANY SERVICE MONITORS HAVE THIS BUILT IN. i KNOW THE MOTOROLA R2600 AND variants d0 this. I seem to recall my old HP also did it. With micro processor monitors it is easy to include. It is just an include item to the software engineer. I have not looked at my IFR units but it would not surprise me t...
by GlennD
Mon Aug 21, 2017 5:48 pm
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR 1900
Replies: 7
Views: 1394

Re: IFR 1900

There are similar displays on Amazon but I am too cheap to find out if they work. I ordered two displays from the eBay seller. The first one has been in USPS limbo but I got the second one weeks ago. At least you can follow it with a tracking number. I would guess the contrast is set for straight on...
by GlennD
Fri Aug 18, 2017 7:59 am
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR 1900
Replies: 7
Views: 1394

Re: IFR 1900

Most eBay sellers in China want to be paid by Paypal since it does currency conversions. The contrast is the unmarked hole in the front. Behind the hole is a miniature surface mount pot. They come set for right on or slightly tilted down like a laptop display. When I get a chance I will see if it he...
by GlennD
Thu Aug 17, 2017 7:49 am
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR 1900
Replies: 7
Views: 1394

Re: IFR 1900

The sharp replacement has the same part number. I threw away the original so I do not have it to reference. There are a lot of look alike units but I do not know if they work. If you look above the unit do not forget to adjust the unmarked contrast on the front. As suggested the external VGA output ...
by GlennD
Thu Aug 03, 2017 3:30 pm
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR 1900
Replies: 7
Views: 1394

IFR 1900

I really need to stop making lowball offers on buy it now items. I received an IFR 1900 a couple of weeks ago. Even though it was listed for 2200 they took my $1500 offer. Like the mil 1600's it had a first generation LCD display. I was going to put in a 6.5 inch 800x600 display. On a whim I listed ...
by GlennD
Sun Jun 04, 2017 8:09 am
Forum: Test Equipment & RF Equipment Alignment
Topic: M2660C
Replies: 11
Views: 1746

Re: R2660C

Well my 1900 arrived and it works fine. I MUST STOP LOW BALL BIDS!. I low balled an HP spectrum analyzer and fortunately the counter was higher than I wanted to pay so I declined.
by GlennD
Sat May 27, 2017 1:33 pm
Forum: Test Equipment & RF Equipment Alignment
Topic: M2660C
Replies: 11
Views: 1746

Re: M2660C

Good choice, The Motorola units are still good if you have a bright CRT. The 2600 series replaced them and was in turn replaced with the current offering. The big problem with older equipment is the display. The Motorola units are made of unobtainum and the 1600 in military disguise went to a LCD si...
by GlennD
Fri May 26, 2017 3:47 pm
Forum: Test Equipment & RF Equipment Alignment
Topic: M2660C
Replies: 11
Views: 1746

Re: M2660C

eBay is currently filled with 2660's They are a 2600 plus. They have more memory, a better analyzer, and markers. They also come with the HS oven. In normal use it is a normal monitor. In display mode you can select the IDEN settings. If not selected they are really not there. In cal mode it takes a...
by GlennD
Thu May 25, 2017 9:25 am
Forum: Test Equipment & RF Equipment Alignment
Topic: M2660C
Replies: 11
Views: 1746

Re: M2660C

Yes, except for the size it is a good monitor. I currently have 2 1600s, one is mil with an LCD, 2 r2660cs's an Ifr 1200s, a R2001 with a bright disaplay, and a HP 8920A. All have front covers except the 1600s's. All are working. My collection is getting out of hand. Good thing I do not really need ...
by GlennD
Tue May 23, 2017 7:26 am
Forum: Test Equipment & RF Equipment Alignment
Topic: M2660C
Replies: 11
Views: 1746

Re: M2660C

Well I guess I will just leave it. I purchased a cable set from eBay intending to make up a load since the expected currents are in the manual. On a whim I asked the seller if he had a PS board available. He did and it was $39 plus $30 for air mail shipping. At that price I put aside repair plans. I...
by GlennD
Mon May 22, 2017 7:33 am
Forum: Test Equipment & RF Equipment Alignment
Topic: M2660C
Replies: 11
Views: 1746

Re: M2660C

Your right, it was a R2660. I purchased a supply board from Hong Kong from a scrapped 2600A and it totally fixed the instrument so I am in it for around $900. Everything was very clean but it was less the front cover. From what I see on eBay it looks like Motorola shut down the IDEN depot and surplu...
by GlennD
Fri May 19, 2017 2:24 pm
Forum: Test Equipment & RF Equipment Alignment
Topic: M2660C
Replies: 11
Views: 1746

M2660C

Recently there has been a flood of IDEN M2660's on eBay. I purchased one with a bad supply for $825 shipped. I found a PS board from a junked A unit in Hong Kong. I now have a cheap M2660C.

I will never use the IDEN stuff. Is it possible to remove it?
by GlennD
Fri May 19, 2017 2:11 pm
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR-1600 with no RF gen output below 0.317 mV
Replies: 14
Views: 1737

Re: IFR-1600 with no RF gen output below 0.317 mV

The military service manual on repeater builder has steps to isolate the problem. It sounds like you found it but the manual is nice to have
by GlennD
Fri Apr 07, 2017 11:14 am
Forum: Test Equipment & RF Equipment Alignment
Topic: R2001D service manual
Replies: 21
Views: 4301

Re: R2001D service manual

by GlennD
Sun Apr 02, 2017 7:58 am
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR S1600 Beep codes
Replies: 6
Views: 1148

Re: IFR S1600 Beep codes

So the LCD is VGA and not EGA. I will say that displays have improved over the years. I remember looking at an early Sharp showing a tennis match. The ball was invisible. My current Sony 4K TV has as good a picture as my plasma at higher definition. The firmware is 6.07 I think, in any event it is 6...
by GlennD
Sat Apr 01, 2017 2:18 pm
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR S1600 Beep codes
Replies: 6
Views: 1148

Re: IFR S1600 Beep codes

Well, I checked the board for shorted caps and it checked good. I put the board back in and it worked. I can not get it to fail. I left it running. There is schematics in the back of the Mil maint manual on repeater builder. It looks like the shorted cap was on the output of the 15V tripler. Replaci...
by GlennD
Fri Mar 31, 2017 12:23 pm
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR S1600 Beep codes
Replies: 6
Views: 1148

Re: IFR S1600 Beep codes

Well, it looks like I am screwed. I noticed the video card had a different SN so I put an analog one it. I now get the normal beep sequence but of course no video. It looks like the label on the unit was not correct and it was used as a parts doner. All of the voltages were correct so it looks like ...
by GlennD
Thu Mar 30, 2017 2:06 pm
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR S1600 Beep codes
Replies: 6
Views: 1148

Re: IFR S1600 Beep codes

I found a shorted cap in the shield area on the board next to the power supply. It was one of two tant caps. That is as far as I have taken this so far. I suppose the power supply crapped out so I guess the next step is to measure the voltages.
by GlennD
Wed Mar 29, 2017 4:29 pm
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR S1600 Beep codes
Replies: 6
Views: 1148

IFR S1600 Beep codes

I purchased a military verson of the S1600 with an LCD display on eBay. I cured the 5V short but it now beeps BEEP, BEEP BEEP forever with no display. What is the problem or where should I look?
by GlennD
Wed Jan 25, 2017 2:36 pm
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR 1600 problem
Replies: 22
Views: 2528

Re: IFR 1600 problem

OK, It is yours. Since I am now retired I am usually here.
by GlennD
Mon Jan 02, 2017 7:56 pm
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR 1600 problem
Replies: 22
Views: 2528

Re: IFR 1600 problem

I will likely use JRY's services when I get the cash together. You are welcome to the padded canvas case. It makes sense if you travel with the unit.
by GlennD
Wed Dec 07, 2016 5:47 pm
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR 1600 problem
Replies: 22
Views: 2528

Re: IFR 1600 problem

Well, I purchased a used 1600 CSI. The modules did not fix my other unit so it is the main board or firmware. It was listed as parts so win a few lose a few. I would like to flash my new unit to the military firmware if it is available. Analog cellular is very dead. I stripped the lower unit for par...
by GlennD
Sat Nov 05, 2016 1:27 pm
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR 1600 problem
Replies: 22
Views: 2528

Re: IFR 1600 problem

Well, doing a restore factory defaults got the FMZ back but the frequency display remains broken. It was worth a chance but it did not fix the unit.
by GlennD
Fri Oct 28, 2016 9:22 am
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR 1600 problem
Replies: 22
Views: 2528

Re: IFR 1600 problem

I looked at the calibration procedure and I lack the equipment to do anything other than set the reference and it is very close (28 Hz at 950 Mhz) so unless I can restore the current calibration then I am done.
by GlennD
Thu Oct 27, 2016 7:20 pm
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR 1600 problem
Replies: 22
Views: 2528

Re: IFR 1600 problem

Reply i think it was for Windows 95 but it works with Windows 10.It is very different than the old DOS version.
by GlennD
Thu Oct 27, 2016 10:28 am
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR 1600 problem
Replies: 22
Views: 2528

Re: IFR 1600 problem

I am old, I still have procom available with a serial connection. I used it with xmodem years ago to upgrade an instrament.
by GlennD
Thu Oct 27, 2016 8:24 am
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR 1600 problem
Replies: 22
Views: 2528

Re: IFR 1600 problem

I will try that. I assume that after that it requires calibration? I agree the AMPS option is now useless. It sounds like the file I received years ago would screw up my current unit. That is why I had no intention of really loading it. I did download some calibration manuals from the repeater build...
by GlennD
Wed Oct 26, 2016 9:05 am
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR 1600 problem
Replies: 22
Views: 2528

Re: IFR 1600 problem

The separate card has what what I assume is the namps option and it is filled with eproms that say 2.12 on them. I only have the 3.03 flash for the processor that a kind Aeroflex tech sent to me years ago. I was not really trying to update the unit since I do not know how the firmware update plays w...
by GlennD
Tue Oct 25, 2016 4:52 pm
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR 1600 problem
Replies: 22
Views: 2528

Re: IFR 1600 problem

Yes it passes all of the self tests. Basic operation and the Spectrum analyzer work fine. Only the receive has problems. I tried to upgrade the bios to 3.03 with some files I had previously. The first step is to issue the monitor command. At that point the unitr reboots so it does not work. You can ...
by GlennD
Tue Oct 25, 2016 7:44 am
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR 1600 problem
Replies: 22
Views: 2528

Re: IFR 1600 problem

D119 It came with a canvas carrying case. If you take your instrument to sites and you can use it then its yours.
by GlennD
Tue Oct 25, 2016 7:41 am
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR 1600 problem
Replies: 22
Views: 2528

Re: IFR 1600 problem

I may put this aside. When you type monitor it reboots so something is really screwed up.
by GlennD
Mon Oct 24, 2016 1:43 pm
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR 1600 problem
Replies: 22
Views: 2528

Re: IFR 1600 problem

In looking further at this I am totally missing the FMZ button. The spot is blank where it should be.
by GlennD
Sun Oct 23, 2016 12:07 pm
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR 1600 problem
Replies: 22
Views: 2528

Re: IFR 1600 problem

Well, I purchased a counter module and while it was in much better condition it did not fix the problem. Since this unit came from a metals recycling firm it may have been left outside. It is very clean inside and out. I removed the front panel and cleaned all of the connectors. It started working b...
by GlennD
Sun Oct 02, 2016 8:36 am
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR 1600 problem
Replies: 22
Views: 2528

IFR 1600 problem

I purchased a parts only unit from eBay. It is serial number 1501 and it has the added memory board. From what I gather from JRY that indicates an early unit. Initially It passed all diagnostics except for the 5V being 5.3V. After that I only get the initial splash screen. The keys do nothing. I res...
by GlennD
Thu Aug 18, 2016 8:49 am
Forum: Test Equipment & RF Equipment Alignment
Topic: Aeroflex (IFR) Questions
Replies: 610
Views: 59028

Re: Aeroflex (IFR) Questions

He will reinstate lost original options listed but he will not give you options that were not in the instrument when purchased.
by GlennD
Fri Mar 04, 2016 9:28 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: XTS-5000 Part Numbers
Replies: 3
Views: 938

Re: XTS-5000 Part Numbers

The part number on the multi color set is NNTN4071A. It consists of red, blue, yellow, orange, and a silver reflective one. I have one pack left where the silver label was used on a fire radio. PM me your address and it is yours.

I am retired and have no more access so that is it.
by GlennD
Sat Feb 20, 2016 8:54 am
Forum: Test Equipment & RF Equipment Alignment
Topic: Aeroflex (IFR) Questions
Replies: 610
Views: 59028

Re: Aeroflex (IFR) Questions

Thanks for the info, I will call cobham and see about a 1900. So does anyone know where you can buy a service manual for a com120b could be found even a pdf on cd. any info would help Thanks to anyone that can help. There is a 120C manual on repeater builder. Considering that it is board level it m...
by GlennD
Wed Jan 27, 2016 9:03 am
Forum: Test Equipment & RF Equipment Alignment
Topic: General Dynamics R2670B & Aeroflex 3550-R Spurious Emissions
Replies: 1
Views: 800

Re: General Dynamics R2670B & Aeroflex 3550-R Spurious Emissions

Many older monitors depended on the receiver front end to reject spurious signals. Ever look at a CE3? This approach fails on software defined radios with wideband front ends since they can be overwhelmed.
by GlennD
Mon Dec 21, 2015 1:49 pm
Forum: Test Equipment & RF Equipment Alignment
Topic: Aeroflex (IFR) Questions
Replies: 610
Views: 59028

Re: Aeroflex (IFR) Questions

Both of my 3000's sn units have the coin style batteries. One may now be working but I can not figure out the options. The other has no 12V for the menu items. Since it looks like I will have to pull the front panel I will clean and resolder the connector. Since the front panel is such a lot of work...
by GlennD
Sat Dec 19, 2015 4:37 pm
Forum: Test Equipment & RF Equipment Alignment
Topic: Aeroflex (IFR) Questions
Replies: 610
Views: 59028

Re: Aeroflex (IFR) Questions

Well, the options are in the ROM. The battery replacement went well. This unit seems to be fully optioned. It has option 12 and the DVM/DTMF seems to be a stock thing. The display says IFR 1200 and then ver 7-05 so I did not lose anything.
by GlennD
Sat Dec 19, 2015 9:03 am
Forum: Test Equipment & RF Equipment Alignment
Topic: Aeroflex (IFR) Questions
Replies: 610
Views: 59028

Re: Aeroflex (IFR) Questions

In looking around it seems that on the 1200S the options are in ROM. On the superS they are in the battery backed up ram. I should have time this afternoon to find out! I was surprised about how much smaller the unit is compared to the 1500. On my 1500 it looks like I have a bad connector on the upp...

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