Ericsson Orion Service Manual
403-512 mhz synthesized two-way fm radio
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- Maintenance manual (6 pages)
Table of Contents
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SYNTHESIZED TWO-WAY FM RADIO
DESCRIPTION ..................................................................................................................................................... 2
INITIAL MEASUREMENTS .............................................................................................................................. 2
TRANSMITTER ..................................................................................................................................... 2
RECEIVER .............................................................................................................................................. 2
MAINTENANCE .................................................................................................................................................. 3
PREVENTATIVE ................................................................................................................................... 3
DISASSEMBLY PROCEDURES .......................................................................................................... 4
ALIGNMENT PROCEDURES ............................................................................................................................ 7
INTRODUCTION ................................................................................................................................... 7
TRACKING DATA ................................................................................................................................. 9
TEST FREQUENCIES ........................................................................................................................... 9
SETTING TRACKING DATA ..............................................................................................................10
TRANSMITTER ALIGNMENT ..........................................................................................................................11
PA TRANSISTOR REPLACEMENT .................................................................................................................11
RECEIVER ALIGNMENT ..................................................................................................................................12
TEST EQUIPMENT REQUIRED .........................................................................................................12
ADJUSTMENT PROCEDURES ...........................................................................................................12
SQUELCH ADJUSTMENT ...................................................................................................................13
TROUBLESHOOTING GUIDE ..........................................................................................................................13
INTRODUCTION ...................................................................................................................................13
MICROPHONICS ..................................................................................................................................13
SERVICEABLE PARTS ........................................................................................................................14
DIAGNOSTIC PROCEDURES ...........................................................................................................................16
ADDITIONAL TOOL REQUIRED ......................................................................................................17
TRANSMITTER .....................................................................................................................................17
RECEIVER ..............................................................................................................................................18
CONTROL UNIT ....................................................................................................................................19
GENERAL ...............................................................................................................................................20
ERROR CODES ......................................................................................................................................21
SERVICE SECTION
ORION™
403-512 MHz
TABLE OF CONTENTS
LBI-38908A
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Summary of Contents for Ericsson Orion
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Page 1: Table Of Contents
LBI-38908A SERVICE SECTION ORION™ 403-512 MHz SYNTHESIZED TWO-WAY FM RADIO TABLE OF CONTENTS Page DESCRIPTION ..............................2 INITIAL MEASUREMENTS ..........................2 TRANSMITTER ............................. 2 RECEIVER .............................. 2 MAINTENANCE ..............................3 PREVENTATIVE ........................... 3 DISASSEMBLY PROCEDURES ......................4 ALIGNMENT PROCEDURES ..........................7 INTRODUCTION ........................... -
Page 2: Description
INITIAL MEASUREMENTS This section contains the information required to After the radio has been installed as described in service the ORION VHF two-way FM mobile radio. the Installation Manual, the following measurements should Included are disassembly procedures, alignment procedures be made by a certified electronics technician and recorded and troubleshooting information (see Table of Contents). -
Page 3: Maintenance
LBI-38908 MAINTENANCE PREVENTIVE MAINTENANCE NOTE To ensure high operating efficiency, and to prevent mechanical and electrical failures from interrupting system operations, routine checks should be made of all mechanical and electrical equipment at regular intervals. This preventive maintenance should include the checks as listed in Table 1, Maintenance Checks. Table 1 - Maintenance Checks MAINTENANCE CHECKS INTERVAL... -
Page 4: Disassembly Procedures
LBI-38908 DISASSEMBLY PROCEDURE Control Unit (Front Mounted): To Remove Unit From Mounting Bracket Expose Logic/Audio/455 kHz IF circuitry according to instructions 1 and 2 above. Remove the microphone, power and accessory/remote control cables, as required. Disconnect Flex Circuit PC2 from connector J701, by carefully disengaging the locking tab from each side of Remove the lock screws at the side of the radio unit, the connector with a jeweler's screwdriver or tweezers. - Page 5 LBI-38908 To Reassemble The Radio After Service Steps: Essentially follow the reverse of the above Remove dust and dirt from the black O-Ring gasket. instructions. However, in order to preserve moisture seals, Apply proper amount of the silicone grease to a cloth as be sure to follow the EXACT torque and sequencing specifications for screw engagement during reassembly.
- Page 6 LBI-38908 Figure 1A - Front Mount Control Unit "O-Ring" Lubrication Figure 1B - Remote Mount Control Unit "O-Ring" Lubrication...
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Page 7: Alignment Procedures
14.0 Volts the following alignment and troubleshooting instructions. (No load or non-resistive load) In order to program an ORION personality, the These voltages are specified at the normal vehicle battery radio and control unit must first be connected to a personal... - Page 8 19B802622P1 POWER CABLE RADIO 19B802554P3 OR P4 TQ3370 REMOTE CONTROL 19B802554P15 CABLE PC PROGRAMMING CABLE CONTROL HEAD 19B802554P6 OR P7 REMOTE MOUNT REMOTE MOUNT ACCESSORY CABLE Figure 2 - ORION Programming Configurations (USA) Figure 3 - ORION Programming Configurations (EUROPE)
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Page 9: Tracking Data
LBI-38908 TRACKING DATA Tracking Data is lost, specialized procedures are required to load new Tracking Data. Therefore, it is VERY radio personality contains certain IMPORTANT to establish a record of the Tracking Data information bytes known as Tracking Data, which allow of every radio as it is received from the factory. -
Page 10: Setting Tracking Data
LBI-38908 SETTING TRACKING DATA Normally, tracking data is set at the factory and need not be reloaded. However, the following repair situations require reloading some or all of the tracking data: SITUATION NEW TRACKING DATA REQUIRED Replace PA module RF Power, Squelch (Reload if necessary) Replace TXRX module RF Power, Modulation Deviation, Squelch, Feature Encryption, Data Offset... -
Page 11: Transmitter Alignment
LBI-38908 TRANSMITTER ALIGNMENT PA TRANSISTOR REPLACEMENT WARNING The transmitter consists of synthesizer, exciter and power amplifier. These have been calibrated at the factory such that the radio computer automatically adjusts RF The RF Power Transistors used in the transmitter power and modulation deviation, based upon Tracking contain Beryllium Oxide, a TOXIC substance. -
Page 12: Receiver Alignment
Alignment of the Front End and Local Injection circuits L521 for a frequency of 82.655 MHz ±200 Hz. are not required because band-pass filters are employed in the ORION wide-band synthesized radio receiver. IF/FM Detector Alignment TEST EQUIPMENT REQUIRED Apply a 1000 micro volt, on-frequency test signal •... -
Page 13: Squelch Adjustment
The construction of the tracking Data. To change the squelch tracking data, follow ORION radio with its die-cast aluminum frame, cast shield, the iterative procedure set forth in the "TRACKING and multiple board-mounting screws, provides a high DATA"... -
Page 14: Serviceable Parts
LBI-38908 SERVICEABLE PARTS Control Unit - Switch Circuit CDF-368B/M No serviceable parts. Control Unit - Panel Control CMC-638 No serviceable parts. Remote Control Unit - RIA NQZ-4882 Connector, 18 pin B19/5JBAX00020 Radio Unit - System Control CMC-682 F601 Fuse, 5 amp. B19/5ZFAP00008 IC604 AF Power Amplifier... - Page 15 LBI-38908 Continued Capacitor, 36 pF (470-512 MHz) B19/5CAAH00038 Capacitor, 43 pF (403-440 MHz) B19/5CAAH00036 Capacitor, 47 pF (440-470 MHz) B19/5CAAH00035 Capacitor, 33 pF (470-512 MHz) B19/5CAAH00039 Capacitor, 47 pF (403-440 MHz) B19/5CMAB01252 Capacitor, 39 pF (440-470 MHz) B19/5CMAB01430 Capacitor, 36 pF (470-512 MHz) B19/5CMAB01424 Capacitor, 56 pF (403-440 MHz) B19/5CMAB01431...
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Page 16: Diagnostic Procedures
DIAGNOSTIC PROCEDURES This product can be easily measured for maintenance using a Communications Service Monitor, of which several models are available. A typical test configuration for the ORION product is shown in Figure 5. NOTE It is also possible to combine this test configuration with the PC programming configuration shown in Figures 2 and 3. -
Page 17: Additional Tool Required
LBI-38908 ADDITIONAL TOOLS REQUIRED: • RF Power Attenuator (30 dB, 150 watt, for transmitters with RF power beyond capability of the Service Monitor) • Digital Voltmeter • Oscilloscope (Optional) TRANSMITTER SYMPTOM DIAGNOSTIC PROCEDURE No RF power output a) Program a conventional system with frequencies given in Table 2 or 3. Use the "EDACS3"... -
Page 18: Receiver
LBI-38908 RECEIVER SYMPTOM DIAGNOSTIC PROCEDURE Low RF sensitivity a) Program a Conventional System with frequencies given in Tables 2 or 3. Use "EDACS3" PC programming utility. b) Unscrew the PA module from the TXRX module. Disconnect coaxial cable P2 from J401 on the Synthesizer board. -
Page 19: Control Unit
LBI-38908 CONTROL UNIT SYMPTOM DIAGNOSTIC PROCEDURE Radio dead at power- a) Check battery connections and the Red Lead A+ fuse on the Power Cable. on (display dark and no lighted indicators) b) Turn unit "OFF", then simultaneously press and hold "EMERGENCY" and "OPTION"... -
Page 20: General
SYMPTOM DIAGNOSTIC PROCEDURE Any Hardware malfunction Printed Wire Board substitution is a valid technique for service and repair of the ORION product, since there are only a few circuit boards in the product: RF Power Amplifier Logic/IF/Audio Synthesizer/Exciter/RX Front End... -
Page 21: Error Codes
LBI-38908 ERROR CODES message where xxx is the error code and the message is ERR = xxxx one of the messages listed below Figure 6 - Error Message/Code Display FATAL ERRORS NON-FATAL ERRORS ERROR MESSAGE DESCRIPTION ERROR MESSAGE DESCRIPTION HARDWARE ROM errors UNKNOWN SOFTWARE... - Page 22 LBI-38908 ROM Fatal Systems Errors ROM fatal errors may be corrected by cycling the radio power (turn it off then on). When the power cycle does not correct the problem the radio must be serviced. ERROR NAME MESSAGE CODE DESCRIPTION FATAL_SYS_TRAP HARDWARE Fatal system error trap number.
- Page 23 LBI-38908 Operational Software Fatal System Errors ERROR NAME MESSAGE CODE DESCRIPTION RADC_PITD_ERROR TRACKING Personality tracking data error. Re-program the tracking data. RADC_PIHW_ERROR PERSDATA Personality hardware data error. Re-program the personality. RADC_FREQ_ERROR FREQDATA Personality frequency data error. Re-program the personality. RADC_PITD_MALLOC_ERROR SOFTWARE Personality tracking data malloc error.
- Page 24 PC - Abort, message canceled Aborted by operator, message canceled. PC - Requested personality data does The personality table does not exist (Tracking or Encryption table). not exist Ericsson Inc. Private Radio Systems Mountain View Road Lynchburg, Virginia 24502 1-800-528-7711 (Outside USA, 804-528-7711)
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