Motorola R2660 Manual



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The R2660D is a service monitor from Motorola. A communication service monitor is a rugged piece of test equipment that can be taken into the field to conduct measurements. The unit traditionally has a spectrum analyzer and a tracking generator to allow an engineer or technician to monitor communications equipment. I'm selling a Motorola R2660 Service Monitor that is excess to my needs. It is fully functional instrument with all of the features found in high end service monitors including a spectrum analyzer, duplex generator, and tracking generator making it suitable for tuning repeaters and duplexers. The i897 is Digital Multi-Service, Data-Capable Portable Field Service Manual contains the information necessary to identify and fix problems in the Motorola i897 is Digital Portable. This unit is based on digital technology and is designed to operate on iDEN systems.

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Refurbished Motorola R2660C

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Motorola R2660C

Motorola R2660 Manual Pdf


Communication Analyzer
Whether you re testing subscriber units or site equipment, the R2660 offers the unique capability to test iDEN systems under actual TDMA operating conditions in either 6:1 or 3:1 format. Comprehensive diagnostic capabilities are provided to facilitate fault isolation and repair. In addition, the unit also provides dedicated screen displays for convenient observation or printout; innovative use of soft keys and windowing; fast reacting autoranging scales with both analog and digital readouts; and signaling encode and decode functions all built into a versatile, rugged, and compact test unit designed specifically to meet the tough demands of the field service environment.




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Manufactured By or For Motorola
Compiled by Mike Morris WA6ILQ
Maintained by Robert Meister WA1MIK

If anyone would like to contribute other test equipment manuals we'd be happy to host them. We'd also like to see articles on how-to-use, troubleshooting, repair, etc.

Motorola R2660 Manual Online

General Test Equipment:

The Motorola Portable Test Set Page
Information on several vintages including the P-8501, TU546, S‑1056 / 1057 / 1058 / 1059 series, R1033, RTX4005 and several base station / repeater test sets.
R1011B 40V 40A DC Power Supply Manual 2.4 MB PDF
R1013A SINAD Meter Manual 401 kB PDF
Donated by John Crabtree KCØG. 6881069A81
R1034A Control Line Test Set Manual 720 kB PDF Photo of the R1034A tester Manual 6881069A77-O
Note that the R1034A Test Set and the R1034B Control Line Test Set are two very different products inside despite the fact that they have a similar purpose.
Many dispatch systems had the base station or repeater at one location and the control point at another. Setting up or maintaining the connecting phone line required the ability to make both DC and AC measurements. Motorola and Triplett together designed the Model R1034A Control Line Test Set, and the mixed background of the Motorola 2-way engineers and the telephone telecommunications background of the Triplett engineers shows in the design. This unit is essentially a specialized AC and DC VOM and an audio generator all in one ruggedized package (they used the existing housing from the Triplett 630-series VOM). It measures telephone line current, telephone line noise, DC resistance and both AC and DC Volts, and all measurements are using ranges that are optimized to telco control lines. This test set will also send audio tones at an adjustable level and measure received tones in dB on the meter. A pushbutton adds a 10dB attenuator in line. A switch on the lower left of the panel selects bridged or terminated mode. The unit was built into a sturdy protective carrying case with a pocket in the lid for the book and the probes, and a snap-hook shoulder strap for carrying. There is a 1 amp fast-blow fuse that is in line with the volts and ohms measuring circuitry inside the battery compartment. The test set is powered by two common 9 Volt batteries and one D-cell battery - and the second 9V battery is behind the 'D' cell! Before you buy a second-hand R1034 make sure that you open it up and check for corrosion caused by leaky batteries (this is the voice of experience speaking...).
R1034B Control Line Test Set Manual 836 kB PDF 6880310B60-O
Note that the R1034A Test Set and the R1034B Control Line Test Set are two very different products inside despite the fact that they have a similar purpose.
This is a redesigned and updated version of the above. Triplett sold this unit as the 'Model 4 Subscriber Loop Test Set' for doing telephone circuits. The text portion of the manual was scanned by Eric Lemmon WB6FLY, Richard Carlson N9JIG provided the schematic, and Bob WA1MIK cleaned and merged the whole thing. Also note that there are five batteries in this unit: two 9V packs (B1 and B2), two 22.5V packs (B3 and B4), and one 1.5V C cell (B5).
Triplett Model 4 Control Line Test Set Manual 860 kB PDF
This is the manual for the Triplett version of the Motorola R1034B test set above. It was scanned by Richard Carlson N9JIG and supplied to repeater-builder as three files.
R1100A Code Synthesizer Operator's Manual 7.2 MB PDF
R1150 / R1151 Code Synthesizer II Operator's Manual 1.5 MB PDF
This is manual 6880310B03-B dated October 1994 that covers the operation of the R1150, R1151, R1150A, R1150E and the RLN4504A memory upgrade kit (there are no schematics or technical information). The first 28 pages in the PDF file are the R1150 manual, and the last 8 pages are the R1151 addendum. Courtesy of Dan Fargo KB3EMH.
S1051B, S1051C, and S1053C Transistorized Voltmeters
S1051B Manual 857 kB PDF donated by Eric Lemmon WB6FLY. 6881003A15-O
S1051C and S1053C Manual 2.9 MB PDF 6881021A05-C
This is an AC voltmeter that covers 1 millivolt (-72 dBm) to 300 volts (+52 dBm) in 12 ranges, and is +/- 2% from 50 Hz to 300 kHz, or +/-3% from 20 Hz to 1 MHz.
The S1051 is battery operated only and used a single 8.4 mercury battery (Mallory TR-136), which is no longer available. It works just fine with a standard 9 volt battery with a 470 ohm resistor in series with it. The S1053 series is AC or Battery operated, the AC adaptor provides 9 volts AC. It's easy to convert an S1051 into an S1053 by adding a leftover 9v DC wall wart and the missing components (the 'C' version manual covers both units).
The SKN6001A is the 'official' test lead kit that is used on several Moto measuring devices. It is a 30 inch length of RG-58-style shielded cable with a standard 2-pin bannana plug on one end and a pair of insulated alligator clips on the other.
S1067 Transistorized Audio Oscillator Manual 4.6 MB PDF
The manual calls for a no-longer-available 22.5 volt Burgess battery. An Eveready 763 (NEDA 710 or HS6571) battery works fine.
S1305A 40V 40A DC Power Supply Manual 2.5 MB PDF
This is the Ratelco PS-8 supply, which was rebranded and sold by Motorola.
S1318A, S1319A, S1320A, S1321A and S1329A Signal Generators Manual 12 MB PDF
S1318A, S1319A, S1320A, S1321A and S1329A Signal Generators Manual 16 MB PDF
A better quality version of the above manual.
S1327A Service Monitor Instruction Manual 6.7 MB PDF
A basic communications service monitor that accepts plug-in modules to provide analog metering and visual display of deviation. It also can utilize plug-in preselectors to enhance sensitivity and selectivity. Donated by Jeff Parker WA1WXL.
S1339A RF MilliVoltmeter Instruction Manual 2.1 MB PDF
It's the same as the Boonton 92E click here for a photo, because the S1339A was just a relabeled Boonton.
SLN6221 Tone Generator Manual 294 kB PDF Smaller file 203 kB PDF Photo
This is a reed-based test tone generator designed to plug into a service monitor. The upper socket is for the small reeds, the lower socket for the 'copper banana' reeds. 6881114A02-B
SLN6222A and SLN6222B Reed Tester Manual 587 kB PDF Photo
This unit uses a no-longer-available 6.5-7 volt 1000 mAh mercury battery that is 0.662' diameter and 3.245' long. The battery may be one of the following brands and types: Eveready E135, Mallory TR-135, or Ray-O-Vac T-135. If you have one of these you may end up using an external battery pack or a DC wall-wart style power supply. There is enough room inside the case that you could add a 6v three-terminal regulator with one silcon diode to raise it 3/4 volt (which would deliver 6.75 volts), then power it with a 12vDC source. 6881114A04-D
SLN6413A DPL Test Set Manual 1.8 MB PDF. 6881069A30-A
ST855 Microphone Tester Manual 486 kB PDF
This is a handy device that was seen in a lot of large fleet radio maintenance shops (i.e. police departments, fire departments, etc). It is self contained with a tone generator, a speaker (that the microphone under test was plugged into) and a VU meter. 6881121A08-O
T1034 RF Signal Generator SchematicExternal photoInternal photo
All our source had was the pullout schematic - he's still looking for the rest of the manual... If anybody has it, let us know.
The T-1034 RF generator is a relabeled Measurements Corp. Model 80 generator. The original Model 80 (1944 vintage) ran from 2 MHz and went up to 400 MHz and were built by various companies under military contract under the designation TS-497A and TS-497B. The later 80-R model dropped the 2-5 MHz lowest frequency band and replaced it with a new 400-475 MHz highest frequency band (the mechanical design limits the number of frequency bands). The basic RF design relies on a 955 acorn triode connected as Colpitts oscillator. The 955 tube sits in a round silvered can (visible in the internal photo) surrounded by the various oscillator coils, which rotate into position with the band switching knob. The mechanical internals are beautifully laid out and a fine piece of precision work rivialling a good watch. Because the oscillator delivers the output power too, modulation is limited to 30% and is AM only - but there is enough FM in the output to be usable. Output power is induction coupled to a variable attenuator. The 80-R was built through the 1960s.
Technical Manual TM 11-5030A (3.9 MB) is for the TS-497B/URR military version of the Model 80. There are enough differences that we'd like to have the regular manual also. As far as military manuals go, if anyone has a copy of the later TM 11-6625-253-12P we'd like to get a copy.
TEK-1A Tone Generator Manual 522 kB PDF Photo
This is a 2-tone test unit that was used to feed the external modulation port of an RF generator. 6881101A91-B
An older manual can be found here as a 687 kB PDF file. 6881101A91-O.
TEK-1B Tone Generator Front PhotoInside Photo #1Inside Photo #2
This seems to be a later version of the TEK-1A tone generator.
TEK-7A Alignment Meter Manual 165 kB PDF
This is essentially a mini-test-set with an RF probe. 6881103A68-C
TEK-20 PL Tone Generator Manual 215 kB PDF Photo
This unit is similar to the TEK-1A tone generator above, but it accepts a single Vibrasender reed and provides an adjustable output that could be used as necessary.6881102A44-O.
TEK-21 Pulse Generator Manual 244 kB PDF Smaller file 175 kB PDF
This is a generator used in testing 'Extender' equipped mobile radio receivers. An 'extender' is an IF-based noise blanker, usually found on 25-54 MHz radios but occasionally can be found on 136-174 MHz equipment. 6881102A42-O
There's about 1.5GB of additional Motorola Test Equipment information, with some duplication, that was sent to repeater-builder anonymously on a DVD. It's stored at our sister-site that can be found here (Motorola Index #3).

Communications System Analyzers (Service Monitors) Articles:

The R20xx 'B' and 'C' models are almost identical, close enough that the 'B' manual can be used with a 'C' model and vice versa. The 'A' and 'D' models are vastly different. Things like the power supplies, front panel, and most of the circuit boards are used in all models; the 20XX number merely determines what optional features are present. Most articles and manuals consider the R2001 to be the base / generic model number.
Turning the intensity down on your service monitor will definitely prevent burn-in of data on the CRT phosphor screen, however everything else is still running, generating heat, and aging. The CRT filament is heating the CRT cathode and emitting electrons. Those elements have a limited life span and don't stop aging if you just turn the intensity down. You're better off putting the unit into Standby (to charge the battery and/or keep the ovenized high-stability reference oscillator hot) or shut it Off. Even when off, there's still some small power being drawn, and lightning can still get in through the power line, so unplugging the unit is really the safest way to go.
If you decide to remove the knobs and clean the front panel of your service monitor, you should make a paper drawing of the knob location first and put each knob, or pair of knobs, in their respective locations on the drawing. Some of the concentric knobs have a different hole size, and a little preparation beforehand will save you a lot of aggravation when you put the knobs back. There are three concentric dual pots: Focus/Intensity, Vert/Horiz Position, and Duplex Coarse/Fine Frequency. There are three concentric switches with pots: Horizontal Range/Vernier, Vertical Range/Vernier, and Trigger Mode/Level. Also, some of the larger knobs have two pointers on them, not just one. While you have the knobs off, clean them in some hot soapy water and consider using something like Liquid Paper or White-Out or other white correction fluid to re-paint the indicator lines on those knobs that have them.
R2000 series Differences 2.2 MB PDF by Robert W. Meister WA1MIK
A list of major, and mostly visible, differences between the A, B, C, and D versions of these popular CRT-based service monitors. Includes front and back photos from the various manuals. People can change knobs and even model and serial number stickers, but the majority of the features are solidly entrenched in each version. You ought to read this before buying a used unit.
R2001 series Service Monitor Power Supply Repairs by Steve Goggans K7LZJ
Steve goes through some personal experiences repairing the low-voltage and high-voltage power supplies on these units, and provides additional useful repair hints and tips.
R2001 series Service Monitor Step Attenuator Repairs by Steve Goggans K7LZJ
Steve continues his repair efforts with the step attenuator on one of his service monitors.
R2001 series Service Monitor Extender Boards and Cables by Steve Goggans K7LZJ and Robert Meister WA1MIK
Sooner or later you'll need to extend a board or module. Motorola made an extender kit a long time ago. This article shows you how to make your own cables and an extender board that does the job.
Replacing the Power Supply Capacitors in the R2001B and R2001C series Service Monitors by Robert Meister WA1MIK
The display (CRT) in my R2001B was extremely dim and everyone suggested replacing all of the power supply capacitors. This article is an adjunct to Steve's article above. It also has clean scans of the power supply sections of the R2001C manual.
Replacing the R2001B and R2001C Screw-terminal Power Supply Capacitors by Robert Meister WA1MIK
I wasn't happy with the amount of ripple and noise on the two screw-terminal capacitors, and since those caps in one of Steve's monitors had died, we decided to find suitable snap-in replacements. Apparently my caps were just fine, but they are a ticking time-bomb.
Restoring the CRT on a Motorola R2001-series Communications System Analyzer by Robert Meister WA1MIK
The display (CRT) in my R2001B was extremely dim even after replacing all of the power supply capacitors. A CRT Analyzer and Rejuvenator got it working great again.
R20xxD series Service Monitor Power Supply Repair by Steve Goggans K7LZJ and Robert Meister WA1MIK
A blown-up power supply was the next challenge, which included determining the value of a couple of parts. Read all about it.
R2001 series Service Monitor IEEE and Cellbus Jumper Card Information by Steve Goggans K7LZJ and Robert Meister WA1MIK
Jumper cards are installed in service monitors that don't have IEEE or Cellbus cards. These pass various signals through the otherwise empty motherboard sockets.
Is the fan on your R200x-series service monitor noisy or broken? A good replacement is the AC Infinity Axial model HS9225A-X and is 92x92x25mm. It comes with two metal finger guards, a 4ft AC cord, mounting screws, and a booklet, all in a nice foam-lined box for about $18 on several web sites. I found the supplied screws were way too long so I used some shorter #6-32 hardware instead. You only need one finger guard. I cut and spliced the fan connector end of the AC cord onto the existing fan cord on my R2001B. Remember, the fan blows air out of the rear of the service monitor.

Communications System Analyzers (Service Monitors) Manuals:
The R20xx series are in order by the last letter of the model number.

The R20xx 'B' and 'C' models are almost identical, close enough that the 'B' manual can be used with a 'C' model and vice versa. The 'A' and 'D' models are vastly different. Things like the power supplies, front panel, and most of the circuit boards are used in all models; the 20XX number merely determines what optional features are present. Most articles and manuals consider the R2001 to be the base / generic model number.
Turning the intensity down on your service monitor will definitely prevent burn-in of data on the CRT phosphor screen, however everything else is still running, generating heat, and aging. The CRT filament is heating the CRT cathode and emitting electrons. Those elements have a limited life span and don't stop aging if you just turn the intensity down. You're better off putting the unit into Standby (to charge the battery and/or keep the ovenized high-stability reference oscillator hot) or shut it Off. Even when off, there's still some small power being drawn, and lightning can still get in through the power line, so unplugging the unit is really the safest way to go.
R2001A / R2002A series Service Monitor Service Manual 19 MB PDF
6881069E84-O dated 30-May-1980. IEEE-488 Option (GPIB) commands can be found on page 199 of this file. These are probably universal for most of the R20xx series.
R2001B / R2002B series Service Monitor Service Manual 19 MB PDF
6881069E93-O dated 30-Jun-1981. Option RTP-1002A Battery Pack can be found at the end of this file. This is probably universal for most of the R20xx series. PDF'd and donated by Neil Hughes VE1YZ.
R2001C / R2002C series Service Monitor Operations Manual 15 MB PDF
6881069E99-O dated 01-Dec-1982. PDF'd and donated by Steve Goggans K7LZJ.
R2008C Communications System Analyzer Operator's Manual 2.7 MB PDF
6881069A70-O dated 28-Jun-1984.
R20xx A/B/C series Service Monitor Alignment Procedures 4 MB PDF
Scanned and cleaned extracts of just the alignment sections from depot service notes and the appropriate service manuals. Note that there are errors, discrepancies, and omissions in these pages. Don't blame me; I just assembled this PDF file from the available information. The R2001D alignment section is listed separately below.
R20xxB series Service Monitor Adjustment Procedures 101 kB PDF by Robert Meister WA1MIK
All of the adjustable components along with procedures developed by WA1MIK and K7LJZ for those that were omitted from the alignment procedure section of the official manuals.
R20xxC series Service Monitor Adjustment Procedures 102 kB PDF by Steve Goggans K7LJZ
All of the adjustable components along with procedures developed by WA1MIK and K7LJZ for those that were omitted from the alignment procedure section of the official manuals.
R20xxD series Service Monitor Models
A short listing of R20XXD model numbers and the standard optional accessories. This information may also apply to models with other suffix letters. The R2001 is the base model; manuals with different last digits usually cover other configurations and options.
R20xxD series Special Function Codes
A short listing of R20XXD special function codes. These were only available in the 'D' units.
R2001D Communications System Analyzer Operator's Manual 6 MB PDF
6881069A66-B dated 15-Jul-1985. This is a great manual to learn how to use your R20xx-series!
R2001D Communications System Analyzer Service Manual 45 MB PDF
6881069A63-O dated 29-Mar-1985.
R2001D series Service Monitor Alignment Procedures 4.7 MB PDF
Scanned and cleaned extract of just the alignment section (3) from the cleanest and latest copy of the service manual available. The R2001 A/B/C alignment sections are listed above.
R2008D / R2010D series Communications System Analyzer Operator's Manual 3.5 MB PDF
6881069A62-O dated 08-Jul-1985. The R2008D is primarily a cellular telephone testset. The R1010D is the UK version. This manual is a supplement to the R2001D manual.
R2200 / R2400 Communications Service Monitor Operator's Manual 2 MB PDF
6881069A79-B dated 15-Sept-1985. A much cleaner copy of the above manual can be found here:
R2200 / R2400 series Service Monitor Operator's Manual 3.6 MB PDF
R2200 / R2400 series Service Monitor Maintenance Manual 50.6 MB PDF
6881069A76-O dated 12-Aug-1983. The above manual has been broken into small pieces:
  • Part 1, 3.8 MB: Table of Contents, Specs, Description, Operation, Maintenance, Troubleshooting, Adjustment, Alignment, Calibration
  • Part 2, 6.2 MB: Calibration (cont.), Rear Panel (A01), Low Voltage Power Supply (A02), Scope Module (A03)
  • Part 3, 6.7 MB: Scope Module (cont.), Scope Amplifier Board (A04)
  • Part 4, 2.6 MB: Scope Amplifier Board (cont.), RF Synthesizer (A05)
  • Part 5, 3.8 MB: RF Synthesizer (cont.), Receiver Board (A06)
  • Part 6, 5.4 MB: Analog Interface Board (A07), Central Processing Unit Board (A08), Counter Board (A10)
  • Part 7, 7.5 MB:Counter Board (cont.), RF Module (A11)
  • Part 8, 8.7 MB: RF Module (cont.)
  • Part 9, 5.7 MB: Tone Synthesizer Board (A12), Reference/Audio Module (A13), Front Panel Interface Board (A14)
  • Part 10, 5.9 MB: Front Panel Interface Board (cont.), Front Panel Display Board (A15)
  • Part 11, 6.6 MB: Front Panel Display Board (cont.), Battery Pack (A16), Chassis Parts Breakdown, Main Interconnect Board (A17, A18), Front Panel (A19), Accessories
R2550 Series Digital Communications System Analyzer Operator's Manual 10 MB PDF
6880309E54 circa 1993. PDF'd and donated by Steve Goggans K7LZJ.
R2600 Series Digital Communications System Analyzer Operator's Manual 3.8 MB PDF
6880386B72 Rev 4, circa 1995. This covers the R-2600 series models.
R2670 Digital Communications System Analyzer Description 580 kB PDF
R2670 Digital Communications System Analyzer Operator's Manual 5.4 MB PDF
6880309F17 circa 1996. Scanned by Robert Meister WA1MIK. This covers the R-2600 series models; the R-2670 has the FDMA options, which are listed below.
R2670 Digital Communications System Analyzer Analog Trunking Option Manual 2.3 MB PDF
Scanned by Colin Zapalac, shrunk by WA1MIK
R2670 Digital Communications System Analyzer Astro Trunking Option Manual 1.1 MB PDF
Scanned by Colin Zapalac, shrunk by WA1MIK
R2670 Digital Communications System Analyzer Astro Option Manual 2.0 MB PDF
Scanned by Colin Zapalac, shrunk by WA1MIK
R2670 Digital Communications System Analyzer P25 Conventional Option Manual 2.0 MB PDF
Scanned by Colin Zapalac, shrunk by WA1MIK
R2670 Digital Communications System Analyzer P25 Trunking Option Manual 466 kB PDF
Scanned by Colin Zapalac, shrunk by WA1MIK
R2670 Digital Communications System Analyzer Securenet Option Manual 2.4 MB PDF
Scanned by Colin Zapalac, shrunk by WA1MIK
Colin Zapalac mentioned 'Freedom CTE (branched from General Dynamics a few years ago) acquired the equipment from Motorola to fully support the R2600-series Communications System Analyzers. They can provide calibration, repair, and refurbishment and is offering factory support and service contracts ($1200 annually, includes calibration).'
Farrell N3FS reported via email: 'I just went through replacing the memory battery in an R2670B service monitor. The original battery was a Plainview Batteries PMB 3.6B mounted to the rear of the processor board. In the parts list from the service manual RLN-4120B, this is BT1, p/n GG-6026385A001. Of course it is no longer available. It looks like a cylinder about 1/2 inch tall and 7/8 inch diameter with 3 PC pins. A Varta 3V150H fits perfectly. You can find these on the web. This battery has a 3-pin pc-board mount. The original specs were 3.6 Volt, 140 mAH, Ni-MH. It mounts to the board perfectly. Changing it and running the internal CAL procedure restored normal operation.'
There's about 1.5GB of additional Motorola Service Monitor information, with some duplication, that was sent to repeater-builder anonymously on a DVD. It's stored at our sister-site that can be found here (Motorola Index #3).

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Motorola R2660 Manual Model

Motorola R2660 Manual

This web site, the information presented in and on its pages and in these modifications and conversions is © Copyrighted 1995 and (date of last update) by Kevin Custer W3KKC and multiple originating authors. All Rights Reserved, including that of paper and web publication elsewhere.

Motorola R2660 Manual






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