® ™ ASTRO XTS 5000 VHF UHF Range 1 700 — 800 MHz Digital Portable Radios Detailed Service Manual
ASTRO® XTS™ 5000 Title Page VHF/UHF Range 1/700–800 MHz Digital Portable Radios Detailed Service Manual Motorola, Inc.
Foreword The information contained in this manual relates to all ASTRO® XTS™ 5000 digital portable radios, unless otherwise specified. This manual provides sufficient information to enable qualified service shop technicians to troubleshoot and repair an ASTRO XTS 5000 digital portable radio to the component level. For details on the operation of the radio or level 1 or 2 maintenance procedures, refer to the applicable manuals, which are available separately.
Table of Contents Foreword .........................................................................................................ii Product Safety and RF Exposure Compliance ............................................................................................ii Manual Revisions ........................................................................................................................................ii Computer Software Copyrights .......................................................
iv Table of Contents 2.1 2.2 2.3 General .......................................................................................................................................... 2-1 DC Power Routing—Transceiver Board ........................................................................................ 2-3 DC Power Routing—VOCON Board.............................................................................................. 2-3 Chapter 3 3.1 3.2 Theory of Operation..............................
Table of Contents 3.3 3.2.4.4 Display Module ...................................................................................................... 3-29 3.2.4.5 Keypad Module...................................................................................................... 3-30 3.2.4.6 Controls and Control Top Flex............................................................................... 3-30 3.2.4.7 System Clocks ....................................................................................
vi Table of Contents Chapter 7 7.1 List of Board and IC Signals .......................................................................................................... 7-1 Chapter 8 8.1 8.2 8.3 8.4 Troubleshooting Tables ..................................................... 7-1 Schematics, Board Overlays, and Parts Lists.................. 8-1 List of Transceiver Schematics and Board Overlays .....................................................................
List of Figures vii List of Figures Figure 2-1. Figure 2-2. Figure 3-1. Figure 3-2. Figure 3-3. DC Power Distribution—UHF Range 1 and 700–800 MHz Radios ...................................... 2-2 DC Power Distribution—VHF Radios.................................................................................... 2-2 XTS 5000 Overall Block Diagram ......................................................................................... 3-1 Transceiver (VHF) Block Diagram (Power and Control Omitted) ......
viii List of Figures Figure 8-26. NLD8910B VHF Transmitter and Automatic Level Control Circuits ................................... 8-38 Figure 8-27. NLD8910B VHF Frequency Generation Unit (Synthesizer) Circuit..................................... 8-39 Figure 8-28. NLD8910B VHF Frequency Generation Unit (VCO) Circuit................................................ 8-40 Figure 8-29. NLD8910B VHF Transceiver (RF) Board Layout—Side 1 .................................................. 8-41 Figure 8-30.
List of Figures ix Figure 8-78. NNTN4819A VOCON Universal Connector and ESD Circuits ......................................... 8-124 Figure 8-79. NNTN4819A VOCON Flipper Circuit ................................................................................ 8-125 Figure 8-80. NNTN4819A VOCON Controller and Memory Circuits—Sheet 1 of 2.............................. 8-126 Figure 8-81. NNTN4819A VOCON Controller and Memory Circuits—Sheet 2 of 2.............................. 8-127 Figure 8-82.
x October 14, 2003 List of Figures 6881094C31-C
List of Tables xi List of Tables Table 2-1. Table 2-2. Table 2-3. Table 2-4. Table 3-1. Table 3-2. Table 3-3. Table 3-4. Table 3-5. Table 3-6. Table 4-1. Table 4-2. Table 4-3. Table 4-4. Table 5-1. Table 6-1. Table 7-1. Table 7-2. Table 7-3. Table 7-4. Table 7-5. Table 7-6. Table 7-7. Table 7-8. Table 7-9. Table 8-1. Table 8-2. 6881094C31-C Conventional Batteries.......................................................................................................... 2-1 Smart Batteries ...............
xii List of Tables Related Publications ASTRO XTS 5000 Digital Portable Radio Model I User Guide ................................................. 6881094C25 ASTRO XTS 5000 Digital Portable Radio Model II User Guide ................................................ 6881094C26 ASTRO XTS 5000 Digital Portable Radio Model III User Guide ............................................... 6881094C27 ASTRO XTS 5000 VHF/UHF Range 1/700–800 MHz Digital Portable Radios Basic Service Manual ............................
Commercial Warranty Limited Warranty MOTOROLA COMMUNICATION PRODUCTS I. What This Warranty Covers And For How Long MOTOROLA INC.
xiv Commercial Warranty III. State Law Rights SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LIMITATION ON HOW LONG AN IMPLIED WARRANTY LASTS, SO THE ABOVE LIMITATION OR EXCLUSIONS MAY NOT APPLY. This warranty gives specific legal rights, and there may be other rights which may vary from state to state. IV.
Commercial Warranty xv VI. Patent And Software Provisions MOTOROLA will defend, at its own expense, any suit brought against the end user purchaser to the extent that it is based on a claim that the Product or parts infringe a United States patent, and MOTOROLA will pay those costs and damages finally awarded against the end user purchaser in any such suit which are attributable to any such claim, but such defense and payments are conditioned on the following: A.
xvi Commercial Warranty Notes October 14, 2003 6881094C31-C
Portable Radio Model Numbering System xvii Model Numbering, Charts, and Specifications Portable Radio Model Numbering System Typical Model Number: H Position: 1 1 2 8 3 U 4 C 5 Position 1 - Type of Unit H = Hand-Held Portable 9 7 P 8 W 9 7 10 A 11 N 12 S 13 P 14 0 15 1 16 Positions 13 - 16 SP Model Suffix Position 12 Unique Model Variations C = Cenelec N = Standard Package Positions 2 & 3 - Model Series 18 = XTS 5000 Position 4 - Frequency Band A = Less than 29.7MHz P = B = 29.7 to 35.
xviii Portable Radio Model Numbering System ASTRO XTS 5000 VHF Model Chart MODEL NUMBER H18KEC9PW5AN H18KEF9PW6AN H18KEH9PW7AN X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X ITEM NUMBER NLD8910_ NNTN4563_ or, NNTN4717_ — — NTN9682_ NTN9681_ NTN9680_ — 0985973B02 1505579Z01 2685567D01 2685567D02 2685567D03 2685220D08 2785219D01 2885866A01 3285900E01 3205349Z03 3205351Z02 3285877B02 3385873B01 7285726C02 7585189D01
Portable Radio Model Numbering System xix ASTRO XTS 5000 R (Ruggedized) VHF Model Chart MODEL NUMBER H18KEC9PW5AN w/Q155FE Opt H18KEF9PW6AN w/Q155FF Opt H18KEH9PW7AN w/Q155FG Opt H18KEC9PW5AN w/Q155FS Opt H18KEF9PW6AN w/Q155FT Opt H18KEH9PW7AN w/Q155FU Opt X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
xx Portable Radio Model Numbering System ASTRO XTS 5000 UHF Range 1 Model Chart MODEL NUMBER H18QDC9PW5AN H18QDF9PW6AN H18QDH9PW7AN H18QCC9PW5AN H18QCF9PW6AN H18QCH9PW7AN X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X ITEM NUMBER NLE4272_ NLE4278_ NNTN4819_ or, NNTN4717_ —
Portable Radio Model Numbering System xxi ASTRO XTS 5000 R (Ruggedized) UHF Range 1 Model Chart MODEL NUMBER H18QDC9PW5AN w/Q155FE Opt H18QDF9PW6AN w/Q155FF Opt H18QDH9PW7AN w/Q155FG Opt H18QDC9PW5AN w/Q155FS Opt H18QDF9PW6AN w/Q155FT Opt H18QDH9PW7AN w/Q155FU Opt H18QCC9PW5AN wQ155HW Opt H18QCF9PW6AN wQ155HX Opt H18QCH9PW7AN wQ155HY Opt X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
xxii Portable Radio Model Numbering System ASTRO XTS 5000 700–800 MHz Model Chart MODEL NUMBER H18UCC9PW5AN H18UCF9PW6AN H18UCH9PW7AN X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X ITEM NUMBER NUF3577_ NTN9564_ or, NNTN4717_ — — NTN9682_ NTN9681_ NTN9680_ — 0985973B02 1505579Z01 2685567D01 2685567D02 2685567D03 2685220D08 2785219D01 2885866A01 3285900E01 3205349Z03 3205351Z02 3285877B02 3385873B01 7285726C01 or, 7
Portable Radio Model Numbering System xxiii ASTRO XTS 5000 R (Ruggedized) 700–800 MHz Model Chart MODEL NUMBER H18UCC9PW5AN w/Q155FP Opt H18UCF9PW6AN w/Q155FQ Opt H18UCH9PW7AN w/Q155FR Opt H18UCC9PW5AN w/Q155GB Opt H18UCF9PW6AN w/Q155GC Opt H18UCH9PW7AN w/Q155GD Opt X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
xxiv Portable Radio Model Numbering System Specifications for VHF Radios All specifications are per Telecommunications Industries Association TIA-603 unless otherwise noted.
Portable Radio Model Numbering System xxv Specifications for UHF Range 1 Radios All specifications are per Telecommunications Industries Association TIA-603 unless otherwise noted. GENERAL FCC Designation: Temperature Range: Operating: Storage: RECEIVER AZ489FT4855 –30°C to +60°C –40°C to +85°C Frequency Range: Bandwidth: Usable Sensitivity (typical) (12 dB SINAD): TRANSMITTER 380-470 MHz 90 MHz 0.
xxvi Portable Radio Model Numbering System Specifications for 700–800 MHz Radios All specifications are per Telecommunications Industries Association TIA-603 unless otherwise noted.
Chapter 1 Introduction 1.1 General This manual includes all the information needed to maintain peak product performance and maximum working time for the ASTRO XTS 5000 radio. This detailed level of service (component level) is typical of the service performed by some service centers, self-maintained customers, and distributors.
1-2 1.2 Introduction: Notations Used in This Manual Notations Used in This Manual Throughout the text in this publication, you will notice the use of warnings, cautions, and notes. These notations are used to emphasize that safety hazards exist, and care must be taken and observed. NOTE: An operational procedure, practice, or condition that is essential to emphasize. ! CAUTION indicates a potentially hazardous situation which, if not avoided, might result in equipment damage.
Chapter 2 Radio Power This chapter provides a detailed circuit description of the power distribution of an ASTRO XTS 5000 radio. 2.1 General In the ASTRO XTS 5000 radio, power (B+) is distributed to two boards: the transceiver (RF) board and the VOCON board (see Figure 2-1 on page 2-2 for UHF Range 1 (R1) and 700–800 MHz, and Figure 2-2 on page 2-2 for VHF). In the case of a secure model radio, B+ is also supplied to the encryption module.
2-2 Radio Power: General Battery RF Board J1 BATT FB+ P1 P201 Fuse RAW B+ UNSW_B+ FET V5A SW_B+ GCAP II 1.875 Volts (VSW2) 1.55V 3VA 3 Volts Analog Circuits 5 Volts VCC5 3.8 V (VSW1) 5 Volts SW_B+ (control signal) 7.5 Volts (Nominal) VOCON Board 3 Volts Digital Circuits 3 Volts 3 Volts (VREF) (V2) 1.55 Volts (VSW_1.55) MAEPF-27419-A Figure 2-1.
Radio Power: DC Power Routing—Transceiver Board 2.2 2-3 DC Power Routing—Transceiver Board NOTE: Refer to Table 8-1, “List of Transceiver Schematics and Board Overlays,” on page 8-1 for a listing of schematics showing the transceiver board DC power routing components. Connector J1, the B-plus assembly, connects the battery to the transceiver board. Capacitors C1, C2, and C3 provide protection against momentary breaks at the B-plus connector due to contact bounce when the radio is dropped.
2-4 Radio Power: DC Power Routing—VOCON Board Transistor Q501 is also under the control of the microcontroller unit (MCU) via Vref from U501. This allows the MCU to follow an orderly power-down sequence when it senses that B+SENSE is off. This sense is provided through MECH_SW_BAR (inverted B+SENSE, see Q508). The digital circuits in the VOCON board are powered from regulators located in the GCAP II IC (U501), an external 5 Vdc regulator (VCC5, U505), and an external 1.55 Vdc regulator (VSW_1.
Chapter 4 Troubleshooting Procedures The purpose of this chapter is to aid in troubleshooting problems with the ASTRO XTS 5000 radio. It is intended to be detailed enough to localize the malfunctioning circuit and isolate the defective component. It also contains a listing of service tools recommended for PC board repair at the component level. ! Caution 4.1 Most of the ICs are static sensitive devices.
4-2 4.2 Troubleshooting Procedures: Recommended Service Tools Recommended Service Tools Table 4-1 lists recommended service tools that can be used for PC board repairs at the component level. For listings of additonal service tools, service aids, and test equipment that are recommended for all levels of service, refer to the XTS 5000 basic service manual (see “ Related Publications” on page xii). Table 4-1.
Troubleshooting Procedures: Voltage Measurement and Signal Tracing 4-3 Table 4-1.
4-4 4.4 Troubleshooting Procedures: Standard Bias Table Standard Bias Table Table 4-2 outlines some standard supply voltages and system clocks which should be present under normal operation. These should be checked as a first step to any troubleshooting procedure. Table 4-2. Standard Operating Bias Signal Name Nominal Value Tolerance VOCON Board Source 13 MHz ±1000 ppm C303 (NTN9564) C339 (NNTN4563, NNTN4819 & NNTN4717) FLIP_32K 32.
Troubleshooting Procedures: Power-Up Self-Check Errors 4.5 4-5 Power-Up Self-Check Errors Each time the radio is turned on, the MCU and DSP perform a series of internal diagnostics. These diagnostics consist of checking such programmable devices as the FLASH ROMs, the EEPROM, and SRAM devices. Problems detected during the power-up self-check routines are presented as error codes on the radio’s display. For non-display radios, the problem is presented at power up by a single, lowfrequency tone.
4-6 4.6 Troubleshooting Procedures: Power-Up Self-Check Diagnostics and Repair (Not for Field Use) Power-Up Self-Check Diagnostics and Repair (Not for Field Use) Table 4-4 lists additional action items that can be used for the diagnosis and resolution of the error codes listed in Table 4-3 on page 4-5. Table 4-4. Power-Up Self-Check Diagnostic Actions Error Code Diagnostic Actions 01/02 This non-fatal error will likely recover if the radio’s power is cycled.
Chapter 5 Troubleshooting Charts This section contains detailed troubleshooting flowcharts. These charts should be used as a guide in determining the problem areas. They are not a substitute for knowledge of circuit operation and astute troubleshooting techniques. It is advisable to refer to the related detailed circuit descriptions in the theory of operation sections prior to troubleshooting a radio. 5.
5-2 5.
Troubleshooting Charts: Power-Up Failure 5.3 5-3 Power-Up Failure—Page 1 Radio Power-Up Failure Verify Standard Bias in Table 5-1 Isolate and Repair Problem See DC Supply Failure flowchart No Standard Bias OK? Yes Remove R528 (VOCON) Replace U301 (Flipper) and place R528 back on board Yes Fixed? No Place R528 back on board Signal may appear for a very short period of time (50 ms). Use an oscilloscope with trigger to capture signal. Probe 32.
5-4 Troubleshooting Charts: Power-Up Failure Power-Up Failure—Page 2 1 Signal may appear for a very short period of time (50ms). Use an oscilloscope with trigger to capture signal. Probe 16.8 MHz Signal at R452 Signal greater than 600mV? Investigate 16.8 MHz Reference Oscillator No Yes This signal may contain harmonics and, therefore, may not appear as a perfect sinewave. Check 16.8 MHz Signal at C452 Signal greater than 600mV? Note: All components noted on this chart are VOCON components.
Troubleshooting Charts: DC Supply Failure 5.4 5-5 DC Supply Failure—Page 1 NOTE: Since the failure of a critical voltage supply might cause the radio to automatically power down, supply voltages should first be probed with a multimeter. If all the board voltages are absent, then the voltage test point should be retested using a rising-edge-triggered oscilloscope. If the voltage is still absent, then another voltage should be tested using the oscilloscope.
5-6 Troubleshooting Charts: DC Supply Failure DC Supply Failure—Page 2 1 Check Voltage at B502 (VOCON) Voltage = 3.77V+/-5%? No Check R502, C506, L502, and D503 Yes Yes No Replace Problem Component Check Voltage at R501 Voltage = 1.
Troubleshooting Charts: DC Supply Failure 5-7 DC Supply Failure—Page 3 3 Check Voltage at pin 5 of U505 (VOCON) Voltage = 5.
5-8 5.5 Troubleshooting Charts: Display Failure (NNTN4563, NNTN4819, & NNTN4717 VOCON Kits) Display Failure (NNTN4563, NNTN4819, & NNTN4717 VOCON Kits) Page 1 NOTE: The NNTN4563 VOCON board is compatible only with the 7285726C02 display module, and the NNTN4819 VOCON board is compatible only with the 7285726C03 display module. No Display Replace LCD Display Problem Resolved? Yes End No Check DC on J301, pins 17 and 18 2.775 V
Troubleshooting Charts: Display Failure (NNTN4563, NNTN4819, & NNTN4717 VOCON Kits) 5-9 Display Failure (NNTN4563, NNTN4819, & NNTN4717 VOCON Kits) Page 2 1 Check P_S* at J301, pin 4 V = 0 V? No Verify Signal Path Integrity and correct Yes Problem Resolved? Yes End No Check RESET at J301, pin 6 V = V2?* Yes No Verify Signal Path Integrity and correct * per Standard Bias Table Problem Resolved? Yes End No Check REG_SEL at J301, pin 7 V = V2?* Yes No Verify Signal Path Integrity and
5-10 Troubleshooting Charts: Display Failure (NNTN4563, NNTN4819, & NNTN4717 VOCON Kits) Display Failure (NNTN4563, NNTN4819, & NNTN4717 VOCON Kits) Page 3 3 Use an oscilloscope to check for a low-level (0V) pulse occurrence during power-on initialization period.
Troubleshooting Charts: Display Failure (NTN9564) 5.6 5-11 Display Failure (NTN9564)—Page 1 NOTE: The NTN9564 VOCON board is compatible only with the 7285726C01 display module. No Display Replace LCD Display Problem Resolved? Yes End No Check DC on J301, pin 17 1.8
5-12 Troubleshooting Charts: Display Failure (NTN9564) Display Failure (NTN9564)—Page 2 1 Check P_S* at J301, pin 4 V = 1.85V? No Verify Signal Path Integrity and correct Yes Problem Resolved? Yes End No Check RESET at J301, pin 6 V = 1.85V? No Verify Signal Path Integrity and correct Yes Problem Resolved? Yes End No Check REG_SEL at J301, pin 7 V = 1.85V? No Verify Signal Path Integrity and correct Yes Problem Resolved? Yes End No Check CS at J301, pin 5 V = 1.
Troubleshooting Charts: Display Failure (NTN9564) 5-13 Display Failure (NTN9564)—Page 3 3 Use an oscilloscope to check for a low-level (0V) pulse occurrence during power-on initialization period. Check Active Low Status on both RESET and CS LowLevel Pulses Present? No Return radio to service depot for further analysis Yes Use an oscilloscope to check for either a low-level (0V) pulse or high-level (1.85V) occurrence during power-on initialization period.
5-14 5.7 Troubleshooting Charts: Volume Set Error Volume Set Error Volume Set Error Synopsis This chart relates to a failure in the volume set knob.
Troubleshooting Charts: Channel/Zone Select Error 5.8 5-15 Channel/Zone Select Error Channel Select Error Channel RTA3 Probe Point (R241) Verify operation of zone knob using Button Test flowchart By studying the adjacent table against the channel numbers that have errors, one signal may be determined to be in error. Verify logic levels at R235, R236, R239, and R241 for each channel. Signals check good at U1 on the controls flex assy.
5-16 5.9 Troubleshooting Charts: Button Test Button Test Synopsis Button Test This chart relates to a failure in the button functions Basic Failure modes are as follows: Place radio in Test Mode. Press Top Side Button (Monitor) so display reads CH TEST. This places the radio in button test mode.
Troubleshooting Charts: Top/Side Button Test 5-17 5.10 Top/Side Button Test Top/Side Button Test Synopsis This chart relates to a failure in reading the buttons: Emergency, Side Button 1, Side Button 2, or Side Button 3.
5-18 Troubleshooting Charts: VCO TX/RX Unlock 5.11 VCO TX/RX Unlock VCO TX/RX unlock Sniff: Using an inductive field probe as an antenna to measure frequency. Place the probe approximately 1/2 inch away from components to be sniffed. "Sniff" frequency near VCO shield Frequency detected? No Yes 5V at TP3? No Check parts around U1. If OK, replace U2 Yes Check parts around U2. If OK, replace U2 Check control voltage at TP243 No 3V at TP5? Yes <0.6Vdc >11.
Troubleshooting Charts: VOCON TX Audio 5-19 5.12 VOCON TX Audio—Page 1 Radio has no Transmitter Deviation (VOCON Evaluation) Inspect Microphone and Flex Connector No Connections OK? Repair connections and/or replace flex and microphone Yes Connect an RLN4460A audio test box (or equivalent) to the radio side connector Inject a 200 mV rms 1.0 kHz tone to the test box Audio In port Is FM deviation approx. 3.0 kHz? Yes No Problem found.
5-20 Troubleshooting Charts: VOCON TX Audio VOCON TX Audio—Page 2 1 Use an oscilloscope to check the SSI audio signals from the GCAP (U703).
Troubleshooting Charts: VOCON RX Audio 5-21 5.13 VOCON RX Audio—Page 1 Bad SINAD Bad 20db Quieting No Recovered Audio A standard input is an RF signal with a 1 kHz tone modulated with 3 kHz deviation in a 25 kHz channel.
5-22 Troubleshooting Charts: VOCON RX Audio VOCON RX Audio—Page 2 1 Check Preamp Output Signal at C530 Signal Present? No Check Preamp U502 and its associated components Make sure that you look at all solder contacts. Check resistors and capacitors associated with this check. If all look fine, then replace U502. Yes Distortion >3%? Yes No Preamp Gain = 2.8 V/V? No Yes PA Gain = 11.2 V/V? No Check Audio PA U503 and its Components Make sure that you look at all solder contacts.
Troubleshooting Charts: RX RF 5-23 5.14 RX RF—Page 1 Poor RX sensitivity or no RX audio Inject a standard FM test signal into the antenna port. Use CPS to ensure that attenuator feature is disabled. Use a spectrum analyzer and high-impedance RF probe to measure the IF signal at TP12 (700-800) or TP15 (VHF) on side 2 Frequency OK? VHF: 44.85 MHz UHF: 73.35 MHz 700-800: 109.
5-24 Troubleshooting Charts: RX RF RX RF—Page 2 1 2nd LO, 700-800: 107.4 MHz, VHF: 42.6 MHz, about 356 mVpp Measure 2nd LO at TP501 (UHF & 700-800) or TP18 (VHF) on PCB side 2 Signal Present? 2nd LO DC bias No Q501-c = 5.0 Vdc? Yes Check Voltage Regulator U1 No Replace Q501 Yes LO Freq. OK? VHF: 42.6 MHz UHF: 71.1 MHz 700-800: 107.4 MHz No 3 Q501-e = 3.
Troubleshooting Charts: RX RF 5-25 RX RF—Page 3 2 3 Measure RF levels at first preselector filter and compute filter loss. VHF: TP401, TP9 UHF: TP13, U401-3 700-800: TP13, D401-3 Loss < 3 db? No VHF TP502 TP18 (Vdc) (MHz) Fvco Measure control voltage at TP502 6 Yes 1.40 3.20 Fvco too low? VHF: < 42.6 MHz UHF: < 71.1 MHz 700-800: < 107.4 MHz UHF R1 TP502 TP501 (Vdc) (MHz) Fvco 1.7 3.7 42.6 47.1 No TP502 = 0 Vdc? 71.1 75.6 No 700-800 MHz TP502 TP501 (Vdc) (MHz) Fvco 0.00 1.85 4.30 5.00 101.
5-26 Troubleshooting Charts: RX RF RX RF—Page 4 Clock synthesizer 4 5 Measure tuning voltage (Vt) at R512 Fbit < 1.
Troubleshooting Charts: RX RF 5-27 RX RF—Page 5 6 7 8 Measure prselector filter tuning voltage dac1 and dac2. VHF: None, TP29 UHF: TP401, TP405 700-800: TP401, TP405 Remove IF filter shield. Check IF filter and LC matching networks. VHF: SH451 UHF: SH403 700-800: SH403 Is unit VHF? Visual inspection OK? Yes Repair defects Yes No dac1 = dac2? No No Replace PCIC Replace IF filter. VHF: FL451 UHF: FL490 700-800: FL403 Yes Tune the radio across several channels.
5-28 Troubleshooting Charts: TX RF (VHF) 5.15 TX RF (VHF)—Page 1 No or low TX power Measure RF level at C147 Place XCVR and VOCON into the analysis fixture. Key up. Measure RF power at antenna port TX power OK? Yes Check coaxial connector and cable assembly No Level about 0 dBm? Yes Is voltage 5 V? No Check FGU Yes Level about -3 dBm? 2 Measure drain of Q104 Use a spectrum analyzer and high-impedance RF probe. Measure TXRF at C016 Frequency OK? No No Check bias of Q101, Q103, and Q106.
Troubleshooting Charts: TX RF (VHF) 5-29 TX RF (VHF)—Page 2 1 2 Measure RAWB+ at U102-6 Measure RAWB+ at Q107-drain RAWB+ about 7.2 Vdc? No Check continuity RAWB+ about 7.2 Vdc? Yes Yes Measure TX7V at U102-14 Measure gate bias at L108 TX7V about 7.2 Vdc? No 3 Check continuity No Check continuity Yes Yes DC bias is OK, control is OK, RFIN is OK, PA has low gain Measure Vgate at TP111, normally 4 to 5.5 Vdc Vgate > 4 Vdc? V.
5-30 Troubleshooting Charts: TX RF (VHF) TX RF (VHF)—Page 3 3 4 TX7V is low. Measure TXINH at P1-19, Q101-b Vgate at TP111 is low (< 4 Vdc) Measure INT at TP104 TXINH < 1 Vdc? No Bad control signal from VOCON Yes Replace Q108 No Bad PCIC Replace U104 INT is low. Measure VLIM at TP119 No 4 Yes RXH > 5 Vdc? Yes No Measure RXH at U104-23 and Q103-b RXH < 1 Vdc? INT > 5 Vdc? VLIM about 2 to 3 Vdc? Yes No Bad PCIC Replace U104 PCIC is programmed.
Troubleshooting Charts: TX RF (UHF R1/700-800 MHz) 5-31 5.16 TX RF (UHF R1/700-800 MHz)—Page 1 No or low TX power Measure RF level at PA output, C103. Place XCVR and VOCON into the analysis fixture. Key up. Measure RF power at antenna port TX power OK? Yes Check coaxial connector and cable assembly No Level about +36 dBm? Yes Loss < 1 db? No Check FGU Yes Level about -3 dBm? No Check FGU No Measure RF levels at D701-cathode and TP02.
5-32 Troubleshooting Charts: TX RF (UHF R1/700-800 MHz) TX RF (UHF R1/700-800 MHz)—Page 2 1 2 Measure RAWB+ at U102-6 Measure RAWB+ at Q107-drain RAWB+ about 7.2 Vdc? No Check continuity RAWB+ about 7.2 Vdc? Yes Yes Measure TX7V at U102-14 Measure gate bias at L108 TX7V about 7.2 Vdc? No 3 Check continuity No Check continuity Yes Yes DC bias is OK, control is OK, RFIN is OK, PA has low gain Measure Vgate at TP111, normally 4 to 5.5 Vdc Vgate > 4 Vdc? V.
Troubleshooting Charts: TX RF (UHF R1/700-800 MHz) 5-33 TX RF (UHF R1/700-800 MHz)—Page 3 3 4 TX7V is low. Measure TXINH at P1-19, Q101-b Vgate at TP111 is low (< 4 Vdc) Measure INT at TP104 TXINH < 1 Vdc? No Bad control signal from VOCON Yes Replace Q108 No Bad PCIC Replace U104 INT is low. Measure VLIM at TP119 No 4 Yes RXH > 5 Vdc? Yes No Measure RXH at U104-23 and Q103-b RXH < 1 Vdc? INT > 5 Vdc? VLIM about 2 to 3 Vdc? Yes No Bad PCIC Replace U104 PCIC is programmed.
5-34 Troubleshooting Charts: Keyload Failure 5.17 Keyload Failure Keyload Failure Verify the use of the correct secure kit and key loader: XTS 5000 UCM Kits: Software Kits: NNTN4006A - DES, DES-XL, DES-OFB NTN9837A - DES, DES-XL, DES-OFB with DVP-XL NTN9838A - DVI-XL NTN9839A - DVP-XL NNTN4197 - AES NNTN4198 - AES with DES, DES-XL, DES-OFB Hardware Kits: NTN9738C NNTN5032A Use KVL - 3000 or later model Keyloader. Use with cable TDN9390.
Troubleshooting Charts: Secure Hardware Failure 5-35 5.18 Secure Hardware Failure Fail 09/10 or 09/90 Secure Hardware Failure Verify connections to secure module through J701 No Repair opens Connections good? Yes Replace module with known good one and retest Yes Synopsis This failure relates only to secure-equipped radios and indicates a power-up self-test failure for the secure module. More specifically this failure indicates a failure in communications between the DSP and secure module.
5-36 Troubleshooting Charts: Secure Hardware Failure Notes October 14, 2003 6881094C31-C
Chapter 6 Troubleshooting Waveforms This chapter contains images of waveforms that might be useful in verifying operation of certain parts of the circuitry. These waveforms are for reference only; the actual data depicted will vary depending on operating conditions. 6.1 List of Waveforms Table 6-1 lists each waveform and the page on which the waveform can be found. Table 6-1. List of Waveforms Waveform Page No. 13 MHz Clock 6-2 16.8 MHz Buffer Input and Output 6-3 32.
6-2 6.2 Troubleshooting Waveforms: 13 MHz Clock 13 MHz Clock MAEPF-27490-O 13 MHz clock from U301 to U501. Trace 1: Trace recorded at C303 on the NTN9564 board. Similar waveform is visible on C339 on the NNTN4563, NNTN4819, & NNTN4717 VOCON boards. Figure 6-1.
Troubleshooting Waveforms: 16.8 MHz Buffer Input and Output 6.3 6-3 16.8 MHz Buffer Input and Output MAEPF-27491-O Trace 1: Buffer input at R452. Trace 2: Buffer output at C452. Note: These components are under shield SH101 on the NNTN4563, NNTN4819, & NNTN4717 VOCON boards. Figure 6-2. 16.
6-4 6.4 Troubleshooting Waveforms: 32.768 kHz Clock Outputs 32.768 kHz Clock Outputs MAEPF-27492-O Trace 1: Output at C313 (to real-time clock of GCAP II IC). Trace 2: Output at U302, pin 2 (to Patriot IC CKIL input). Note: These components are under shield SH102 on the NNTN4563, NNTN4819, & NNTN4717 VOCON boards. Figure 6-3. 32.
Troubleshooting Waveforms: SPI B Data 6.5 6-5 SPI B Data MAEPF-27493-O Trace 1: GCAP II IC chip enable at R539 (Note active high). Trace 2: SPI data clock at Test Point SCKB. Trace 3: SPI data to GCAP II IC at Test Point MOSIB. Figure 6-4.
6-6 6.6 Troubleshooting Waveforms: Receive Serial Audio Port (SAP) Receive Serial Audio Port (SAP) MAEPF-27494-O Trace 1: 8 kHz frame sync at R406 (each word is 13 bits after failing edge of FSYNC). Trace 2: SAP data at R403 (audio data from GCAP II IC CODEC to Patriot IC DSP). Note: Transmit is identical, except data acquired at R402. Trace 3: 520 kHz bit clock at R405 on the NTN9564, NNTN4563 & NNTN4819 VOCON boards. 256 kHz bit clock at R405 on the NNTN4717 VOCON board. Figure 6-5.
Troubleshooting Waveforms: Receive Baseband Interface Port (RX BBP) 6.7 6-7 Receive Baseband Interface Port (RX BBP) Trace 1: BBP RX frame sync signal at R123. Trace 2: BBP RX clock signal at R124. Trace 3: BBP RX data signal at R121. Figure 6-6.
6-8 6.8 Troubleshooting Waveforms: Transmit Baseband Interface Port (TX BBP) Transmit Baseband Interface Port (TX BBP) Trace 1: BBP TX frame sync signal at R119. Trace 2: BBP TX clock signal at R125. Trace 3: BBP TX data signal at R127. Figure 6-7.
Chapter 7 Troubleshooting Tables 7.1 List of Board and IC Signals Due to the nature of the schematic-generating program, signal names might be different when they are not directly connected to the same point. The tables in this chapter provide a cross reference to the various pinouts for these signals. Table 7-1 lists and provides links to each of the tables in this chapter. Table 7-1. List of Tables of Board and IC Signals Table No. Table Name Page No.
7-2 Troubleshooting Tables: List of Board and IC Signals Table 7-2. J101 VOCON Board to Controls Flex Assembly (Continued) J101 Pin No.
Troubleshooting Tables: List of Board and IC Signals 7-3 Table 7-3. J107 VOCON Board to Keypad Module J107 Pin No.
7-4 Troubleshooting Tables: List of Board and IC Signals Table 7-4. J701 VOCON Board to Encryption Module (Continued) J701 Pin No.
Troubleshooting Tables: List of Board and IC Signals 7-5 Table 7-4. J701 VOCON Board to Encryption Module (Continued) J701 Pin No. Description To/From Accessible on VOCON? 36 UNSW_B+_ENC C102 Yes 37 ENC_SSI_CLK R404 Yes 38 ENC_SSI_FS R406 Yes 39 ENC_SSI_DI R403 Yes 40 ENC_SSI_DOUT R402 Yes * = Component located under a shield on NNTN4563, NNTN4819, & NNTN4717 Table 7-5. U402 FLASH Pinouts U402 Pin No.
7-6 Troubleshooting Tables: List of Board and IC Signals Table 7-5. U402 FLASH Pinouts (Continued) U402 Pin No.
Troubleshooting Tables: List of Board and IC Signals 7-7 Table 7-5. U402 FLASH Pinouts (Continued) U402 Pin No. Description To/From Comment Accessible on Vocon? E1 VSW2 C409* 1.875 V Yes G4 VSW2 C409* 1.875 V Yes A4 VSW2 C409* 1.875 V Yes * = Component located under a shield on NNTN4563, NNTN4819, & NNTN4717 ** = No test point/component on NNTN4563, NNTN4819, & NNTN4717 - signal not accessible Table 7-6. U403 SRAM Pinouts U403 Pin No.
7-8 Troubleshooting Tables: List of Board and IC Signals Table 7-6. U403 SRAM Pinouts (Continued) U403 Pin No.
Troubleshooting Tables: List of Board and IC Signals 7-9 Table 7-7. U401 Patriot MCU/DSP IC Pinouts 6881094C31-C U401 Pin No.
7-10 Troubleshooting Tables: List of Board and IC Signals Table 7-7. U401 Patriot MCU/DSP IC Pinouts (Continued) U401 Pin No. October 14, 2003 Description To/From Comment Accessible on Vocon? E8 NOT USED No G8 NOT USED No C3 NOT USED No D4 LOCK_DET C123 A2 TG2 R234 Yes B2 RTA3 R241 Yes A3 RTA2 R239 Yes B3 RTA1 R236 Yes B4 RTA0 R235 Yes A7 VSW2 E401* 1.875 V Yes P3 VSW2 E401* 1.875 V Yes P6 VSW2 E401* 1.875 V Yes T9 VSW2 E401* 1.
Troubleshooting Tables: List of Board and IC Signals 7-11 Table 7-7. U401 Patriot MCU/DSP IC Pinouts (Continued) 6881094C31-C U401 Pin No. Description L16 URTS1_XRXD No F13 ADTRIG No B16 URXD2 D14 BSY_IN_RTS B12 RX_SSI_DATA R123 Data From Abacus to DSP Yes C11 TX_SSI_CLK R125 1.
7-12 Troubleshooting Tables: List of Board and IC Signals Table 7-7. U401 Patriot MCU/DSP IC Pinouts (Continued) U401 Pin No.
Troubleshooting Tables: List of Board and IC Signals 7-13 Table 7-7. U401 Patriot MCU/DSP IC Pinouts (Continued) U401 Pin No.
7-14 Troubleshooting Tables: List of Board and IC Signals Table 7-7. U401 Patriot MCU/DSP IC Pinouts (Continued) U401 Pin No. J7 October 14, 2003 Description FLIP_32K To/From Comment Accessible on Vocon? 32 kHZ (NTN9564) U302, pin 2* (NNTN4563 NNTN4819 NNTN4717) 32.
Troubleshooting Tables: List of Board and IC Signals 7-15 Table 7-7. U401 Patriot MCU/DSP IC Pinouts (Continued) U401 Pin No.
7-16 Troubleshooting Tables: List of Board and IC Signals Table 7-7. U401 Patriot MCU/DSP IC Pinouts (Continued) U401 Pin No.
Troubleshooting Tables: List of Board and IC Signals 7-17 Table 7-7. U401 Patriot MCU/DSP IC Pinouts (Continued) U401 Pin No.
7-18 Troubleshooting Tables: List of Board and IC Signals Table 7-8. U301 Flipper IC Pinouts U301 Pin No. October 14, 2003 Description To/From Comment Accessible on Vocon? E7 RXDIN_ENC_3V R308 Yes D5 TXDO_BDI_5V R329* 5 V RS232 Data Out Yes C7 RXDIN_5V R328* 5 V RS232 Data In Yes A8 RTS D303 pin 3 Request to Send (RS232) Yes D7 CTS R303 Clear to Send (RS232) Yes H8 CTS_FILLREQ_3V R306** H3 16.8 MHz C307* 16.
Troubleshooting Tables: List of Board and IC Signals 7-19 Table 7-8. U301 Flipper IC Pinouts (Continued) U301 Pin No.
7-20 Troubleshooting Tables: List of Board and IC Signals Table 7-8. U301 Flipper IC Pinouts (Continued) U301 Pin No. Description To/From Comment Accessible on Vocon? H7 RTS_FILLSEN_3V NC No G8 CTS_FILLREQ_3V R309* Yes F8 TXDO_BDI_ENC_3V R317 Yes F7 TXDO_BDI_UP_3V R317 Yes E6 RXDIN_ENC_3V R308 Yes * = Component located under a shield on NNTN4563, NNTN4819, & NNTN4717 ** = No test point/component on NNTN4563, NNTN4819, & NNTN4717 - signal not accessible Table 7-9.
Troubleshooting Tables: List of Board and IC Signals 7-21 Table 7-9. U501 GCAP II IC Pinouts (Continued) U501 Pin No. To/From Comment G_32K 32.768 kHz Square Wave Accessible on Vocon? A7 XTAL1 B7 XTAL2 A8 PRSC2 C514 3.77V Yes B8 LX2 D502 262.144 kHz Square Wave Yes A9 PGND1 B9 FB2 R501 C8 ON R579 A10 FB1 R502 3.77V Yes B10 LX1 D503 262.
7-22 Troubleshooting Tables: List of Board and IC Signals Table 7-9. U501 GCAP II IC Pinouts (Continued) U501 Pin No. October 14, 2003 Description To/From Comment Accessible on Vocon? H9 PA_DRV NC No H10 PA_SENSE NC No G7 PGM0 GROUND Yes H8 LS3_RX NC No J10 DGND GROUND Yes K10 LS3TX_PABPOS GROUND Yes K1 MIC_OUT U509 pin 6 AC Mic Signal Yes G4 STANDBY R557 3.
Troubleshooting Tables: List of Board and IC Signals 7-23 Table 7-9. U501 GCAP II IC Pinouts (Continued) U501 Pin No. 6881094C31-C Description J8 SIMI_O A1 AD5_VOLUME B1 AGND3 C3 DWN_OUT C2 DWN_IN C1 To/From Comment NC R526 Accessible on Vocon? No 0-2.
7-24 Troubleshooting Tables: List of Board and IC Signals Table 7-9. U501 GCAP II IC Pinouts (Continued) U501 Pin No.
8-150 Schematics, Board Overlays, and Parts Lists: VOCON Boards Notes October 14, 2003 6881094C31-C
Appendix A A.1 Replacement Parts Ordering Basic Ordering Information When ordering replacement parts or equipment information, the complete identification number should be included. This applies to all components, kits, and chassis. If the component part number is not known, the order should include the number of the chassis or kit of which it is a part, and sufficient description of the desired component to identify it.
A-2 A.5 Replacement Parts Ordering: Telephone Orders Telephone Orders Radio Products Services Division* (United States and Canada) 7:00 AM to 7:00 PM (Central Standard Time) Monday through Friday (Chicago, U.S.A.) 1-800-422-4210 (International Orders) 1-847-538-8023 U.S. Federal Government Markets Division (USFGMD) 1-800-826-1913 Federal Government Parts - Credit Cards Only 8:30 AM to 5:00 PM (Eastern Standard Time) A.
Glossary Glossary This glossary contains an alphabetical listing of terms and their definitions that are applicable to ASTRO portable and mobile subscriber radio products. All terms do not necessarily apply to all radios, and some terms are merely generic in nature. Term Definition A/D See analog-to-digital conversion. Abacus IC A custom integrated circuit providing a digital receiver intermediate frequency (IF) backend. ADC See analog-to-digital converter.
Glossary-2 Term Definition codeplug Firmware that contains the unique personality for a system or device. A codeplug is programmable and allows changes to system and unit parameters. See also firmware. coder/decoder A device that encodes or decodes a signal. CPS See Customer Programming Software. Customer Programming Software Software with a graphical user interface containing the feature set of an ASTRO radio. See also RSS. D/A See digital-to-analog conversion.
Glossary-3 Term Definition DPL See Digital Private-Line. See also PL. DSP See digital signal processor. DSP code See digital signal processor code. DTE See Data terminal equipment. DTMF See dual tone multi-frequency. dual tone multifrequency The system used by touch-tone telephones. DTMF assigns a specific frequency, or tone, to each key so that it can easily be identified by a microprocessor. EEPOT Electrically Programmable Digital Potentiometer.
Glossary-4 Term Definition frequency generation unit This unit generates ultra-stable, low-phase noise master clock and other derived synchronization clocks that are distributed throughout the communication network. General-Purpose Input/Output Pins whose function is programmable. GPIO See General-Purpose Input/Output. host code Object code executed by the host processor in an ASTRO subscriber radio. The host is responsible for control-oriented tasks such as decoding and responding to user inputs.
Glossary-5 Term Definition low-speed handshake 150-baud digital data sent to the radio during trunked operation while receiving audio. LSH See low-speed handshake. Master In Slave Out SPI data line from a peripheral to the MCU. Master Out Slave In SPI data line from the MCU to a peripheral. MCU See microcontroller unit. MDC Motorola Digital Communications. MDI MCU/DSP Interface internal to the Patriot IC. MHz See Megahertz. Megahertz One million cycles per second.
Glossary-6 Term Definition over-the-air rekeying Allows the dispatcher to remotely reprogram the encryption keys in the radio. PA Power amplifier. paging One-way communication that alerts the receiver to retrieve a message. Patriot IC A dual-core processor that contains an MCU and a DSP in one IC package. PC Board Printed Circuit Board. Also referred to as a PCB.
Glossary-7 Term Definition real-time clock A module that keeps track of elapsed time even when a computer is turned off. receiver Electronic device that amplifies RF signals. A receiver separates the audio signal from the RF carrier, amplifies it, and converts it back to the original sound waves. registers Short-term data-storage circuits within the microcontroller unit or programmable logic IC.
Glossary-8 Term Definition signal An electrically transmitted electromagnetic wave. Signal Qualifier mode An operating mode in which the radio is muted, but still continues to analyze receive data to determine RX signal type. SIO IC See Serial Input/Output IC. Smart Radio Interface Box A service aid containing microcontroller buffered RAM that enhances the speed and capability of programming a radio with programming software. softpot See software potentiometer.
Glossary-9 Term Definition time-out timer A timer that limits the length of a transmission. TOT See time-out timer. transceiver Transmitter-receiver. A device that both transmits and receives analog or digital signals. Also abbreviated as XCVR. transmitter Electronic equipment that generates and amplifies an RF carrier signal, modulates the signal, and then radiates it into space. TSOP See thin small-outline package. TX Transmit. UART See also Universal Asynchronous Receiver Transmitter.
Glossary-10 Notes October 14, 2003 6881094C31-C
Index Index Numerics 13 MHz reference generation, flipper IC 3-27 32 kHz oscillator, flipper IC 3-26 5-volt regulator U505, VOCON 3-23 700-800 MHz model chart non-ruggedized xxii ruggedized xxiii radio specifications xxvi A Abacus III IC U500 3-7 algorithms, encryption module 3-34 amplifier audio power U503 3-24 audio pre-amplifier U502 3-24 driver U102 3-9 power transistor 3-10 summing U106 3-11 antenna port J2 3-5 antenna switch, transmitter 3-10 audio circuitry, GCAP II IC U501 3-23 components, VOCON
Index-2 E EEPOT potentiometer U509 3-24 encryption connector J701 3-17 module 3-34 module algorithms 3-34 errors, power-up self-check 4-5 ESD protection circuitry, VOCON board 3-27 external interface module (EIM) 3-18 F Flash memory IC U402 3-21 flipper IC U301 13 MHz reference generation 3-27 32 kHz oscillator 3-26 boot data path control 3-25 CMOS support 3-26 detailed theory 3-25 logic level translation 3-25 one-wire support 3-26 side interface connector 3-25 SSI clock and frame sync generator 3-27 USB
Index-3 O one-way interface 3-19 one-wire support, flipper IC 3-26 option selects, universal connector 3-29 ordering replacement parts A-1 oscillator 32 kHz 3-26 reference Y200, FGU 3-13 sampling clock 3-8 second local 3-8 voltage-controlled (VCO) 3-8 overview keypad module 3-30 universal flex assembly 3-30 VOCON board 3-16 P parts list transceiver (RF) board 700-800 MHz 8-12, 8-26 UHF 8-57, 8-73 VHF 8-43 VOCON board NNTN4563A/B 8-116 NNTN4717D 8-145 NNTN4819A 8-131 NTN9564B 8-88 NTN9564C 8-102 parts, ord
Index-4 T temperature cut back, PCIC 3-13 terms and definitions Glossary-1 timer module, DSP 3-19 tools, recommended service 4-2 trademark information ii transceiver antenna port J2 3-5 battery connector J3 3-3 block diagram 3-2, 3-3 board overlays 700-800 MHz 8-10 UHF 8-55 VHF 8-41 detailed theory 3-2 interconnections 3-3 parts list 700-800 MHz 8-12, 8-26 UHF 8-57, 8-73 VHF 8-43 power conditioning 3-5 power distribution diagram 2-3 schematics 8-3 serial EEPROM 3-5 VOCON connector P1 3-3 voltage regulators
Index-5 interconnections 3-16 interface support components 3-24 keypad module 3-30 module connector P107 3-17 memory components 3-17 overview 3-16 parts list NNTN4563A/B 8-116 NNTN4717D 8-145 NNTN4819A 8-131 NTN9564B 8-88 NTN9564C 8-102 Patriot IC U401 3-18 power components 3-22 power distribution 2-3 receive audio path 3-33 RF interface connector P201 3-17 schematics 8-79 static RAM (SRAM) IC U403 3-20 system clocks 3-31 transmit audio path 3-32 universal connector interface circuitry 3-28 universal conne
Index-6 October 14, 2003 6881094C31-C
Motorola, Inc. 8000 West Sunrise Boulevard Ft. Lauderdale, FL 33322 MOTOROLA, the Stylized M Logo, ASTRO, FLASHport, and CommPort are registered in the U.S. Patent and Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2003 All rights reserved. Printed in U.S.A.
