Users may not create topics, posts, or private messages containing or relating to the following material (especially pertaining to Motorola copyrighted software, unless you want Motorola to come along and shut this site down):

  • Listing for sale or trade of, or links to sites offering for sale or trade of, or giving away, Radio
    Service Software (RSS) or Customer Programming Software (CPS)
  • Profanity, pornography, defamation, or slanderous remarks directed towards any individual or entity
  • Commercial advertising (except in the Batboard Vendors forum, as approved by the Admin/Mod Staff)
  • Any other items which may be deemed as offensive

If any topics, posts, or private messages containing or relating to the aforementioned material are brought to the attention of the Admin/Mod Staff, they will be deleted.

Additional FAQ items appear here in Forum Rules. Please review them for posting guidelines and further clarification.

Search found 1385 matches

by jackhackett
Tue Jan 16, 2018 11:18 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Spectra 146-174 110w capacitors
Replies: 18
Views: 437

Re: Spectra 146-174 110w capacitors

I believe Will used to do Spectra repairs. but it says he was last active on here in May of 2016.
by jackhackett
Fri Jan 12, 2018 8:51 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Spectra 146-174 110w capacitors
Replies: 18
Views: 437

Re: Spectra 146-174 110w capacitors

Don't recall if I ever had to take one off. I think the cage tended to keep the leakage out of that section.
by jackhackett
Fri Jan 12, 2018 10:52 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Spectra 146-174 110w capacitors
Replies: 18
Views: 437

Re: Spectra 146-174 110w capacitors

Measure the voltage on the pot, it's been a while since I've done one but if I remember correctly if you touch your meter probe to the metal adjustment part of the pot you should see something like -3V. The pot gets negative bias through the surface mount resistor next to that caged in section. The ...
by jackhackett
Fri Dec 22, 2017 7:21 am
Forum: ASTRO25 Series (XTS/XTL 1500/2500/5000) Subscribers
Topic: Microphone Pinout?
Replies: 4
Views: 157

Re: Microphone Pinout?

Okay, it looks like my info was from the wiring for the HMN1090 microphone used on XTL radios. Those mics do have the white wire (pin 10) and the black wire (pin 5) connected inside the cable. Inside the mic black is mic_low and white is ptt_low.
by jackhackett
Thu Dec 21, 2017 6:19 pm
Forum: ASTRO25 Series (XTS/XTL 1500/2500/5000) Subscribers
Topic: Microphone Pinout?
Replies: 4
Views: 157

Re: Microphone Pinout?

Hmm... I'm wondering about that pin 10 now, my other pins matched fineshot's but not that one. I had drawn up a diagram of it a few years back, don't remember where I got the info. Maybe it was for a TRBO mic. Will look into it. Stick with 5 for ground/mic lo/ptt lo then, that should be safe. Wish I...
by jackhackett
Thu Dec 21, 2017 11:10 am
Forum: ASTRO25 Series (XTS/XTL 1500/2500/5000) Subscribers
Topic: Microphone Pinout?
Replies: 4
Views: 157

Re: Microphone Pinout?

Here's what I have for it... Pin 2 - PTT Hi Pin 5 - Gnd/Mic Low Pin 7 - Mic Hi Pin 9 - HUB Pin 10 - PTT Low The microphones usually have 5 & 10 connected inside the cable plug. If you look at the socket from the front of the radio you should see a 1 with a arrow pointing to the top left pin, tha...
by jackhackett
Tue Nov 21, 2017 8:42 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: CDM1550 Remote Head Issue
Replies: 6
Views: 415

Re: CDM1550 Remote Head Issue

The board just kind of snaps into the head, then the remote kit adapter should hold it in place. It can be a bit tricky the first time you do one, the board will sometimes pop out a bit when you try to put the head onto the remote kit or the radio. You have to makes sure the board is seated all the ...
by jackhackett
Wed Nov 15, 2017 12:56 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: GM300 Mod levels
Replies: 1
Views: 163

Re: GM300 Mod levels

There should be two pots on the RF board, R164 for Reference Mod and R302 for VCO Mod. You may just have to adjust them, but if someone did a conversion on it they would probably have changed some of the associated fixed resistors. As I recall they didn't generally go all the way down to 2.5kHz with...
by jackhackett
Fri Aug 25, 2017 7:04 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: CDM 1550 lights not working at all
Replies: 8
Views: 522

Re: CDM 1550 lights not working at all

Sorry, I did try to post a picture, but apparently photobucket won't let you share pictures without paying anymore(at $40/month... not going to happen), and batboard has no way to upload pictures. I'll see if I can figure something else out.
by jackhackett
Thu Aug 24, 2017 3:33 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: No TX PL on GM300
Replies: 6
Views: 475

Re: No TX PL on GM300

Have you tried hitting the repeaters with the HT or another radio to verify that the problem is in the GM300?
Are the repeaters 12.5KHz narrowband?
by jackhackett
Tue Aug 22, 2017 6:26 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: CDM 1550 lights not working at all
Replies: 8
Views: 522

Re: CDM 1550 lights not working at all

This should be where the fuse F0401 is, near the connector that the control head plugs into. It's a 3A surface mount fuse. It can be tested with an ohmmeter (with power disconnected from the radio of course).

Image
by jackhackett
Sun Aug 20, 2017 8:18 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: CDM 1550 lights not working at all
Replies: 8
Views: 522

Re: CDM 1550 lights not working at all

The location of that fuse depends on which circuit board the radio has. Can you tell us the model number of the radio?
by jackhackett
Sat Aug 19, 2017 5:36 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: CDM 1550 lights not working at all
Replies: 8
Views: 522

Re: CDM 1550 lights not working at all

The three most likely things are: 1) Radio programmed for 'follow ignition only' and no ignition sense connected. 2) Bad reference oscillator. The 16.8MHz oscillator goes bad and the radio will not power up. 3) Blown control head power fuse. Small surface mount fuse or some cases a thin circuit boar...
by jackhackett
Sat Aug 12, 2017 6:35 pm
Forum: MotoTRBO Portables and Mobiles (3xxx/5xxx/7xxx/SL) 2.0 Series Subscribers
Topic: XPR5550e mobile
Replies: 6
Views: 443

Re: XPR5550e mobile

What is the output power of the control station (base), what does it have for an antenna, and how close to the repeater is it located? You may be de-sensing the repeater if you have too much signal from the control station.
by jackhackett
Sun Aug 06, 2017 12:29 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Maxtrac PA board damage-Reverse Polarity diode?
Replies: 6
Views: 471

Re: Maxtrac PA board damage-Reverse Polarity diode?

I've seen those diodes fall apart like that many times. I think it's more from vibration than anything else, because they usually still checked okay with a diode tester. They're not just a regular diode, they're a TVS (Transient Voltage Suppressor) diode, they protect against both reverse polarity a...
by jackhackett
Fri Aug 04, 2017 5:17 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: CDM1550 - switchable 3dB pad - does this exist?
Replies: 4
Views: 456

Re: CDM1550 - switchable 3dB pad - does this exist?

I don't believe they have a local/dx setting.

I've been working with CDMs for a long time, never came across anything about an attenuator and never had any need for it. My advice would be don't worry about it, it's probably something internal that you have no control over.
by jackhackett
Wed Aug 02, 2017 3:38 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: CDM1550 - switchable 3dB pad - does this exist?
Replies: 4
Views: 456

Re: CDM1550 - switchable 3dB pad - does this exist?

However, I can find no mention in the CPS about a switchable attenuator pad option.


Have you looked in the Tuner software?
by jackhackett
Wed Aug 02, 2017 9:03 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Microphone compatibility Inquiry
Replies: 17
Views: 860

Re: Microphone compatibility Inquiry

I'm not sure that a Motorola mic would be compatible with a Yaesu radio without some modification. The Moto mics are powered by voltage on the 'MIC HI' audio lead (sort of a phantom power arrangement), while from what info I can find on them Yaesu mics have a separate power (+9volt) connection. If s...
by jackhackett
Mon Jul 24, 2017 9:06 am
Forum: ASTRO25 Series (XTS/XTL 1500/2500/5000) Subscribers
Topic: XTL1500 - do you need red ignition sense cable?
Replies: 10
Views: 580

Re: XTL1500 - do you need red ignition sense cable?

From the Basic Service Manual:
"The audio PA is a bridge amplifier with a 3.2-ohm minimum impedance"

The internal speaker is 20 ohm / 4W.
by jackhackett
Sun Jul 23, 2017 10:21 am
Forum: ASTRO25 Series (XTS/XTL 1500/2500/5000) Subscribers
Topic: XTL1500 - do you need red ignition sense cable?
Replies: 10
Views: 580

Re: XTL1500 - do you need red ignition sense cable?

If you are really worried about it, go buy a pin tool, and take the speaker out of the accy plug. There should be a molex type quick disconnect plug on the speaker leads, you just need to unplug it. According to the spec sheets and installation instructions (both available online, GIYF) the XTL1500...
by jackhackett
Mon Jul 17, 2017 6:44 pm
Forum: ASTRO25 Series (XTS/XTL 1500/2500/5000) Subscribers
Topic: XTL5000 2.85v regulator issue
Replies: 3
Views: 325

Re: XTL5000 2.85v regulator issue

If all three are low something would have to be loading each of them down, the one place I see them all connected appears to be at the main processor.
by jackhackett
Mon Jul 17, 2017 5:07 am
Forum: Motorola CP/CM Series Subscribers
Topic: CM300 ToT
Replies: 5
Views: 432

Re: CM300 ToT

Okay, now that I have access to my CPS I can see what's going on. Under 'Programmable Menu' there's a Time Out Timer setting that goes from 1 to 30, this is for the menu time out. Under each personality there are two Time Out settings: 1) Time Out Timer (15 seconds to infinite) will select the trans...
by jackhackett
Sun Jul 16, 2017 7:14 pm
Forum: Motorola CP/CM Series Subscribers
Topic: CM300 ToT
Replies: 5
Views: 432

Re: CM300 ToT

I think if you set it to zero seconds it disables it, I can check for sure on Monday. You can also try looking in the CPS 'help', it should give that information.
by jackhackett
Sun Jul 16, 2017 5:58 pm
Forum: ASTRO25 Series (XTS/XTL 1500/2500/5000) Subscribers
Topic: XTL5000 2.85v regulator issue
Replies: 3
Views: 325

Re: XTL5000 2.85v regulator issue

Looking at the schematic, I see a couple of things to consider... I don't see where the other regulators are enabled by the 2.85V one, they all appear to be independent except that their /error outputs are tied together. How low are they? You say the filtered 5V (VCC5_FILT) is low, you think maybe b...
by jackhackett
Sun Jul 02, 2017 7:46 am
Forum: ASTRO25 Series (XTS/XTL 1500/2500/5000) Subscribers
Topic: MT1500 Electrical Requirements?? Voltage and AMP Draw
Replies: 2
Views: 297

Re: MT1500 Electrical Requirements?? Voltage and AMP Draw

From the Basic Service Manual...

Nominal Voltage - 7.5 volts
Range - 6 to 9 volts

Transmit Current Drain (Typical)
700/800MHz - 1250mA
VHF - 1900mA
UHF Range 1 (380-470MHz) - 2100mA
UHF Range 2 (450-520MHz) - 2000mA

Receive and Standby currents are around 220mA and 80mA
by jackhackett
Sat Jun 24, 2017 3:01 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Maratrac question for pac rt
Replies: 2
Views: 387

Re: Maratrac question for pac rt

Go to http://www.repeater-builder.com/motorol ... index.html
In the manuals section, get the first one, VHF low band service manual.
On the second to last page is the logic board, someone was nice enough to mark U551.
by jackhackett
Tue Jun 13, 2017 8:41 am
Forum: APX Series Subscribers
Topic: Audio Stuttering Problem
Replies: 6
Views: 619

Re: Audio Stuttering Problem

RFguy wrote:It almost sounds like scan sampling.


It sounds exactly like scan sampling.

Check scan/priority settings and see if that channel is programmed for auto-scan.
by jackhackett
Sun May 21, 2017 7:04 am
Forum: ASTRO Series (Astro Saber, Spectra, XTS3000/3500) Subscribers
Topic: ASTRO SPECTRA POWER CODE
Replies: 3
Views: 336

Re: ASTRO SPECTRA POWER CODE

According to the service manual...

Position 5 - Power Level
A = 0 to 0.7 Watts
B = 0.7 to 0.9 Watts
C = 1.0 to 3.9 Watts
D = 4.0 to 5.0 Watts
E = 5.1 to 6.0 Watts s
F = 6.1 to 10 Watts
G = 10.1 to 15 Watts
H = 16 to 25 Watts
J = 26 to 35 Watts
K = 36 to 60 Watts
L = 61 to 110 Watt
by jackhackett
Sun May 21, 2017 6:37 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: MCS2000, correct power supply matching?
Replies: 3
Views: 420

Re: MCS2000, correct power supply matching?

From the service manual, power requirements for VHF units: Power Supply: Nominal Voltage: 13.6 V Operating Voltage: 10.8-16.3 V Current Drain, maximum values: Stand-by: 0.45 A Receive: 1.7 A with 7.5 W speaker 2.5 A with 13 W speaker 1.5 A with 4 W speaker Transmit (25-50W): 15 A Transmit (110W): 27...
by jackhackett
Sat May 06, 2017 11:48 pm
Forum: Radio Programming
Topic: CDM750 TX Alignment?
Replies: 3
Views: 417

Re: CDM750 TX Alignment?

As I recall R6.12.05 was the last version before you needed the entitlement key.
by jackhackett
Tue Apr 25, 2017 8:35 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: CDM1550 VHF overheating
Replies: 3
Views: 525

Re: CDM1550 VHF overheating

Is it a remote mount? If it is, open the head, and put some insulation between the circuit board and speaker terminals. A couple layers of electrical tape should do. In the remote mount kit they put an exposed ground pad on the board right under where the speaker terminals are and there is not much ...
by jackhackett
Mon Apr 24, 2017 12:07 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Help with an Antenna ID...
Replies: 4
Views: 523

Re: Help with an Antenna ID...

It's an Irridium antenna, 1616-1626 MHz, right hand circular polarization, 3dB gain

https://en.wikipedia.org/wiki/Iridium_s ... stellation
by jackhackett
Fri Mar 24, 2017 11:18 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Planned MOL Outage in April
Replies: 22
Views: 2014

Re: Planned MOL Outage in April

WHO PUT THEIR TRUST IN YOU Put your trust in Motorola? Why the hell would you do that? I mean besides complete lack of familiarity with their track record. On the good side, maybe they can finally get rid of this on their site (but I'm not holding my breath): " This site is best viewed using M...
by jackhackett
Fri Mar 24, 2017 6:25 am
Forum: MotoTRBO Portables and Mobiles (3xxx/5xxx/7xxx/SL) 2.0 Series Subscribers
Topic: Selecting Scan On/Off tone for XPR series
Replies: 7
Views: 569

Re: Selecting Scan On/Off tone for XPR series

Do you have Keypad Tones enabled in the radio menu under utilities / radio settings / tones/alerts? I don't know if you can do this under CPS, I think you have to do it from the keypad.
by jackhackett
Tue Mar 07, 2017 8:06 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Looking For Service Manual
Replies: 4
Views: 663

Re: Looking For Service Manual

CircleBat wrote:Might be available on mol..

Circlebat


Not that I could find. No longer available to buy, and all they have in the manuals section is the basic service manual.
by jackhackett
Wed Feb 22, 2017 6:39 am
Forum: ASTRO25 Series (XTS/XTL 1500/2500/5000) Subscribers
Topic: XTL 5000 TX PROBLEM
Replies: 34
Views: 4286

Re: XTL 5000 TX PROBLEM

Was this problem ever resolved?
by jackhackett
Thu Feb 16, 2017 5:22 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: GR1225 sql issue
Replies: 20
Views: 1004

Re: GR1225 sql issue

d119 wrote:I've never seen or heard of a Comet base station antenna that can be "cut to length". Are you using a mobile antenna with a "ground plane" base adapter????


They make a 440-512 tunable antenna, model CA-F72GF.
by jackhackett
Mon Feb 13, 2017 10:33 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: GR1225 sql issue
Replies: 20
Views: 1004

Re: GR1225 sql issue

How can the "noise" (or whatever it is that holds the repeater up) do so without the PL tone being present? And, if the PL tone is actually present in the noise, why doesn't it activate the repeater by itself? This is why I suggested checking the duplexer. If the TX leaks back through str...
by jackhackett
Mon Feb 13, 2017 10:49 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: GR1225 sql issue
Replies: 20
Views: 1004

Re: GR1225 sql issue

I would also check the duplexer tuning, and as with all GR1225s, check the PA solder joints.
by jackhackett
Sat Feb 11, 2017 12:01 pm
Forum: ASTRO Series (Astro Saber, Spectra, XTS3000/3500) Subscribers
Topic: ASTRO Spectra Service Work Needed - Looking to hire!
Replies: 8
Views: 1178

Re: ASTRO Spectra Service Work Needed - Looking to hire!

If nobody is answering your request for an srec, it's probably because nobody has one. This site is nowhere near as busy as it used to be, and it may take some time before someone that can help you with that sees your post. It's not like we're all sitting here hoarding codeplugs and don't want to gi...
by jackhackett
Wed Jan 25, 2017 7:54 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: HT1550 Wont Power Up
Replies: 5
Views: 784

Re: HT1550 Wont Power Up

Would be nice if phpBB had a feature to warn a user when they're about to lazarus a thread. Would probably be pretty easy to add.
by jackhackett
Tue Jan 24, 2017 12:03 pm
Forum: ASTRO25 Series (XTS/XTL 1500/2500/5000) Subscribers
Topic: Federal Q causes XTL5000 to transmit
Replies: 8
Views: 767

Re: Federal Q causes XTL5000 to transmit

I would try disconnecting the Firecom cable from the radio end. I don't see how having the cable on there but disconnected would still cause the problem unless the siren was emitting RF, but if you take the cable off completely that should rule out the Firecom. You might also try disabling the PTT i...
by jackhackett
Fri Jan 13, 2017 8:53 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Motorola GM300 RIB cable pinout
Replies: 10
Views: 1171

Re: Motorola GM300 RIB cable pinout

It looks like you're using one of those DB25 connectors with the modular socket. What I would have done is make a straight modular to modular jumper cable with all the wires connected using flat 8 conductor cable, then in the DB25 shell determine which two wires I needed and connect those to the pin...
by jackhackett
Thu Jan 12, 2017 11:47 am
Forum: ASTRO25 Series (XTS/XTL 1500/2500/5000) Subscribers
Topic: Federal Q causes XTL5000 to transmit
Replies: 8
Views: 767

Re: Federal Q causes XTL5000 to transmit

Could be the vehicle batteries are getting weak, those Qs draw a lot of current.. rated at 100A.
by jackhackett
Thu Jan 12, 2017 6:26 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Motorola GM300 RIB cable pinout
Replies: 10
Views: 1171

Re: Motorola GM300 RIB cable pinout

The pins on the modular plug are not 1 and 8. Pin 1 on the RIB goes to pin 4 of the modular plug. Pin 15 of the RIB goes to pin 7 of the modular plug. This is if you use Motorola's pinout for the modular plug, they number the pins opposite from the rest of the universe (color me surprised). In Motor...
by jackhackett
Tue Jan 10, 2017 12:10 pm
Forum: ASTRO25 Series (XTS/XTL 1500/2500/5000) Subscribers
Topic: PM1500 change to XTL
Replies: 6
Views: 3202

Re: PM1500 change to XTL

Here's a step by step description of how to do it easily and with no legal repercussions.

1) Sell PM1500
2) Buy XTL2500/5000
3) ???
4) Profit! (well, maybe not for you, but for somebody)
by jackhackett
Sat Jan 07, 2017 7:59 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: GR1225 Issues - Help Needed
Replies: 5
Views: 561

Re: GR1225 Issues - Help Needed

Ok, I don't know why but I was thinking of 4 tab transistors, those ground tabs kind of merged in my mind :) Those aren't resistors though, they're ceramic chip caps on the base (input) and clamped mica caps on the collector (output). You can usually get away with re-soldering the chip caps, but som...
by jackhackett
Fri Jan 06, 2017 5:11 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: GR1225 Issues - Help Needed
Replies: 5
Views: 561

Re: GR1225 Issues - Help Needed

UHF R1225s are notorious for people thinking the PAs were blown, but most I've seen were repairable by resoldering. The transistors in them are remarkably tough. Biggest problem spot is the base tab of the output transistor, gets burnt solder underneath of it sometimes. Also the caps and coils in th...

Go to advanced search