Motorola EP350 Series Basic Service Manual

Category
Two-way radios
Type
Basic Service Manual
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BSM_front.pdf 2/16/2009 4:12:21 PM
Technical Information Updates
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Manual No.:6878419A01
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Complete
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Not Covered
in this Manual
Disassembly
Procedures
Alignment
Procedures
Exploded
Views
Schematic
Diagrams
Circuit Board
Details
Electrical Parts
List
Exploded View
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i
COPYRIGHT
Copyrights
© 2009 by Motorola, Inc. All rights reserved.
No part of this manual may be reproduced, transmitted, stored in a retrieval system, or translated into
any language or computer language, in any form or by any means, without the prior written
permission of Motorola Inc.
Computer Software Copyrights
The Motorola products described in this manual may include copyrighted Motorola computer
programs stored in semiconductor memories or other media. Laws in the United States and other
countries preserve for Motorola certain exclusive rights for copyrighted computer programs including,
but not limited to, the exclusive right to copy or reproduce in any form the copyrighted computer
program. Accordingly, any copyrighted Motorola computer programs contained in the Motorola
products described in this manual may not be copied, reproduced, modified, reverse-engineered, or
distributed in any manner without the express written permission of Motorola. Furthermore, the
purchase of Motorola products shall not be deemed to grant either directly or by implication, estoppel,
or otherwise, any license under the copyrights, patents or patent applications of Motorola, except for
the normal non-exclusive royalty-free license to use that arises by operation of law in the sale of a
product.
Trademarks
MOTOROLA and the Stylized M Logo are registered in the U.S.Patent and Trademark Office. All
other product or service names are the property of their respective owners.
ii
SAFETY
Product Safety and RF Exposure Compliance
ATTENTION!
This is restricted to occupational use only to satisfy ICNIRP RF energy exposure
requirements. Before using this product, read the RF energy awareness information and
operating instructions in the Product Safety and RF Exposure booklet enclosed with your
radio (Motorola Publication part number 68007024010) to ensure compliance with RF energy
exposure limits.
For a list of Motorola-approved antennas, and other accessories, visit the following web site
which lists approved accessories: http://www.motorola.com/governmentandenterprise
These servicing instructions are for use by qualified personnel only. To reduce the
risk of electric shock, do not perform any servicing other than that contained in the
Operating Instructions unless you are qualified to do so. Refer all servicing to
qualified service personnel.
Before using this product, read the operating instructions for safe usage contained
in the Product Safety and RF Exposure booklet enclosed with your radio.
iii
DOCUMENT HISTORY
The following major changes have been implemented in this manual since the previous edition:
Edition Description Date
6878419A01-A Initial edition Feb. 2009
6878419A01-B Added UHF1 403 – 447 MHz information Sept. 2009
CHAPTER 1 : Model Charts and Test Specifications
Updated UHF1 range to 403 – 447 MHz
Added UHF1 model chart and specifications
Updated Receiver, Transmitter, PLL Synthesizer, TX Audio
Block Diagrams
CHAPTER 3 : Test Equipment, Service Aids, and Service Tools
Updated “Wiring of the Connectors” diagram
CHAPTER 5 : Radio Programming and Tuning
Updated “CPS Programming Setup” diagram
Updated “Radio Tuning Setup diagram
Added UHF1 band in “Transmitter Alignment Options” table
CHAPTER 6 : Maintenance (FKP)
Added UHF1 PCB parts list
Updated Exploded View (Remove Tanapa Label)
Updated Quantity in Parts List
CHAPTER 7: Maintenance (LKP)
Added UHF1 PCB parts list
Updated Exploded View (Remove Tanapa Label)
Updated Quantity in Parts List
iv
Notes
Table of Contents v
Table of Contents
Copyright ........................................................................................................ i
Safety ............................................................................................................. ii
Document History ........................................................................................ iii
Chapter 1 Model Charts and Test Specifications .............................. 1-1
1.1 Radio Model Information................................................................................................................ 1-1
1.2 Model Chart for UHF2, 435–480 MHz ........................................................................................... 1-2
1.3 Model Chart for VHF, 136–174 MHz .............................................................................................1-3
1.4 Model Chart for UHF1, 403–447 MHz ........................................................................................... 1-4
1.5 UHF2 Specifications ...................................................................................................................... 1-5
1.6 VHF Specifications ........................................................................................................................ 1-6
1.7 UHF1 Specifications ...................................................................................................................... 1-7
Chapter 2 Theory Of Operation ........................................................... 2-1
2.1 Introduction .................................................................................................................................... 2-1
2.2 Major Assemblies .......................................................................................................................... 2-1
2.2.1 Receiver............................................................................................................................ 2-1
2.2.1.1 RX Front End..................................................................................................... 2-2
2.2.1.2 RX Back End ..................................................................................................... 2-2
2.2.1.3 RX Squelch........................................................................................................ 2-3
2.2.2 Transmitter........................................................................................................................ 2-4
2.2.3 Phase Lock Loop Synthesizer .......................................................................................... 2-5
2.2.4 RX Audio Circuit ............................................................................................................... 2-6
2.2.5 TX Audio Circuit................................................................................................................ 2-7
2.2.6 Microcontroller .................................................................................................................. 2-8
2.2.7 Power Supply.................................................................................................................... 2-8
Chapter 3 Test Equipment, Service Aids, and Service Tools........... 3-1
3.1 Test Equipment.............................................................................................................................. 3-1
3.2 Service Aids................................................................................................................................... 3-2
Chapter 4 Performance Checks .......................................................... 4-1
4.1 General .......................................................................................................................................... 4-1
4.2 Power–Up Self Test....................................................................................................................... 4-1
4.3 LCD/LED/Button/Volume Knob Test Mode.................................................................................... 4-1
Chapter 5 Radio Programming and Tuning ....................................... 5-1
5.1 Introduction .................................................................................................................................... 5-1
5.2 CPS Programming Setup .............................................................................................................. 5-1
5.3 Radio-to-Radio Cloning ................................................................................................................. 5-1
vi Table of Contents
5.4 Radio Tuning Setup ....................................................................................................................... 5-2
5.4.1 Initial Test Equipment Control Settings.............................................................................5-3
5.5 Transmitter Alignment Options ...................................................................................................... 5-3
5.5.1 Transmit High Power Tuning ............................................................................................ 5-3
5.5.2 Transmit Low Power Tuning ............................................................................................. 5-4
5.5.3 Transmit Modulation Tuning ............................................................................................. 5-5
5.5.3.1 Service Monitor Setting...................................................................................... 5-5
5.5.3.2 Transmit 12.5 kHz Modulation Tuning ............................................................... 5-6
5.5.3.3 Transmit 25 kHz Modulation Tuning .................................................................. 5-7
5.6 Receiver Tuning.............................................................................................................................5-8
5.6.1 Service Monitor Setting.....................................................................................................5-8
5.6.2 Receive 12.5 kHz-Band Normal Squelch Tuning..............................................................5-9
5.6.3 Receive 12.5 kHz-Band Tight Squelch Tuning ...............................................................5-10
5.6.4 Receive 25 kHz-Band Normal Squelch Tuning...............................................................5-11
5.6.5 Receive 25 kHz-Band Tight Squelch Tuning ..................................................................5-12
5.7 Utilities ......................................................................................................................................... 5-13
5.7.1 Program Serial No. .........................................................................................................5-13
5.8 Front Panel Programming............................................................................................................5-14
5.8.1 Introduction ..................................................................................................................... 5-14
5.8.2 Dealer and User Configurations...................................................................................... 5-14
5.8.2.1 Switching between Dealer and User Configurations........................................5-14
5.8.3 Entering Programming Mode .......................................................................................... 5-15
5.8.4 Exiting Programming Mode............................................................................................. 5-15
5.8.5 Accessing Front Panel Programming Mode Parameters................................................5-15
5.8.6 Editing Front Panel Programming Mode Parameters ..................................................... 5-16
5.8.7 Factory Reset..................................................................................................................5-23
Chapter 6 Maintenance – EP350 (Full Keypad Model) ..................... 6-1
6.1 Introduction ....................................................................................................................................6-1
6.2 Preventive Maintenance ................................................................................................................ 6-1
6.2.1 Inspection..........................................................................................................................6-1
6.2.2 Cleaning Procedures ........................................................................................................6-1
6.3 Safe Handling of CMOS and LDMOS Devices .............................................................................. 6-2
6.4 Repair Procedures and Techniques – General..............................................................................6-3
6.5 Disassembling and Reassembling the Radio ................................................................................6-6
6.5.1 Radio Disassembly – Detailed ..........................................................................................6-7
6.5.1.1 Front Housing From Chassis Disassembly........................................................ 6-7
6.5.1.2 Chassis Assembly Disassembly ......................................................................6-10
6.5.1.3 Front Circuit Board, Display Module and Keypad Disassembly.......................6-11
6.5.1.4 Speaker Disassembly ...................................................................................... 6-12
6.5.2 Radio Reassembly – Detailed......................................................................................... 6-13
6.5.2.1 Speaker Reassembly....................................................................................... 6-13
6.5.2.2 Front Circuit Board, Display Module and Keypad Reassembly ....................... 6-14
6.5.2.3 Chassis Assembly Reassembly....................................................................... 6-15
6.5.2.4 Chassis and Front Housing Reassembly.........................................................6-17
6.6 Torque List ...................................................................................................................................6-17
6.7 Mechanical View and Parts List ...................................................................................................6-18
6.7.1 EP350 (Full Keypad without Channel Knob) Exploded View and Parts List...................6-18
Chapter 7 Maintenance – EP350 (Limited Keypad Model)............... 7-1
7.1 Introduction ....................................................................................................................................7-1
Table of Contents vii
7.2 Preventive Maintenance ................................................................................................................ 7-1
7.2.1 Inspection ......................................................................................................................... 7-1
7.2.2 Cleaning Procedures ........................................................................................................7-1
7.3 Safe Handling of CMOS and LDMOS Devices.............................................................................. 7-2
7.4 Repair Procedures and Techniques – General ............................................................................. 7-3
7.5 Disassembling and Reassembling the Radio ................................................................................ 7-6
7.5.1 Radio Disassembly – Detailed.......................................................................................... 7-7
7.5.1.1 Front Housing From Chassis Disassembly........................................................ 7-7
7.5.1.2 Chassis Assembly Disassembly ...................................................................... 7-10
7.5.1.3 Front Circuit Board, Display Module and Keypad Disassembly ...................... 7-12
7.5.1.4 Speaker Disassembly...................................................................................... 7-13
7.5.2 Radio Reassembly – Detailed ........................................................................................ 7-13
7.5.2.1 Speaker Reassembly....................................................................................... 7-13
7.5.2.2 Front Circuit Board, Display Module and Keypad Reassembly....................... 7-14
7.5.2.3 Chassis Assembly Reassembly....................................................................... 7-15
7.5.2.4 Chassis and Front Housing Reassembly......................................................... 7-17
7.6 Torque List................................................................................................................................... 7-18
7.7 Mechanical View and Parts List................................................................................................... 7-18
7.7.1 EP350 (Limited Keypad without Channel Knob) Exploded View and Parts List............. 7-18
Chapter 8 Troubleshooting Tables ..................................................... 8-1
8.1 Error Codes ................................................................................................................................... 8-1
8.2 Troubleshooting Table for Receiver............................................................................................... 8-2
8.3 Troubleshooting Table for Transmitter........................................................................................... 8-3
Appendix A Accessories.........................................................................A-1
Appendix B Warranty, Service Support, and Replacement Parts .......B-1
B.1 Scope of Manual............................................................................................................................B-1
B.2 Warranty ........................................................................................................................................B-1
B.2.1 What This Warranty Covers And For How Long...............................................................B-1
B.2.2 General Provisions ...........................................................................................................B-1
B.2.3 How To Get Warranty Service ..........................................................................................B-2
B.2.4 What This Warranty Does Not Cover ...............................................................................B-2
B.2.5 Patent And Software Provisions .......................................................................................B-3
B.2.6 Piece Parts .......................................................................................................................B-4
B.2.6.1 Basic Ordering...................................................................................................B-4
B.2.6.2 Motorola Online .................................................................................................B-4
B.2.7 Motorola Service Centers .................................................................................................B-4
Glossary of Terms .....................................................................................G-1
viii List of Figures
List of Figures
Figure 2-1. Receiver Block Diagram ................................................................................................... 2-1
Figure 2-2. Transmitter Block Diagram ............................................................................................... 2-4
Figure 2-3. PLL Synthesizer Block Diagram.......................................................................................2-5
Figure 2-4. RX Audio Block Diagram.................................................................................................. 2-6
Figure 2-5. TX Audio Block Diagram ..................................................................................................2-7
Figure 3-1. Programming/Test Cable (PMDN4077_R).......................................................................3-3
Figure 3-2. Cloning Cable (PMDN4076_R) ........................................................................................ 3-3
Figure 3-3. Wiring of the Connectors .................................................................................................. 3-3
Figure 4-4. LCD Indication.................................................................................................................. 4-1
Figure 5-5. CPS Programming Setup .................................................................................................5-1
Figure 5-6. Radio Tuning Setup.......................................................................................................... 5-2
Figure 5-7. Tx High Power Window (High Power) .............................................................................. 5-4
Figure 5-8. Tx Low Power Window (Low Power)................................................................................ 5-5
Figure 5-9. Tx Modulation 12.5 kHz Window ......................................................................................5-7
Figure 5-10. Tx Modulation 25 kHz Window .........................................................................................5-8
Figure 5-11. Rx 12.5 kHz-band Normal Squelch Tuning Window ......................................................5-10
Figure 5-12. Rx 12.5 kHz-band Tight Squelch Tuning Window .......................................................... 5-11
Figure 5-13. Rx 25 kHz-band Normal Squelch Tuning Window .........................................................5-12
Figure 5-14. Rx 25 kHz-band Tight Squelch Tuning Window ............................................................. 5-13
Figure 5-15. Program Radio Serial No. Window................................................................................. 5-13
Figure 6-16. Full Keypad Without Channel Knob Model.......................................................................6-6
Figure 6-17. Battery and Antenna Removal..........................................................................................6-7
Figure 6-18. Knob Removal.................................................................................................................. 6-7
Figure 6-19. Chassis Removal.............................................................................................................. 6-8
Figure 6-20. Speaker Wire and Flexible Cable Connection.................................................................. 6-8
Figure 6-21. Speaker Wire Removal.....................................................................................................6-9
Figure 6-22. Unlatch the Flexible Cable................................................................................................6-9
Figure 6-23. Sub-Circuit Board and Accessory Bracket Removal ......................................................6-10
Figure 6-24. Main Circuit Board, finger strips, O-ring and Battery Contact Seal Removal(UHF2) ..... 6-11
Figure 6-25. Main Circuit Board, finger strips, O-ring and Battery Contact Seal Removal(UHF1) ..... 6-11
Figure 6-26. Front Circuit Board Removal .......................................................................................... 6-12
Figure 6-27. LCD and Keypad Removal .............................................................................................6-12
Figure 6-28. Speaker Removal...........................................................................................................6-13
Figure 6-29. Speaker Reassembly .....................................................................................................6-13
Figure 6-30. LCD and Keypad Reassembly .......................................................................................6-14
Figure 6-31. Front Circuit Board Reassembly.....................................................................................6-14
Figure 6-32. Main Circuit Board, finger strips, O-ring and Battery Contact Seal Reassembly(UHF2) 6-15
Figure 6-34. Sub Circuit Board and Accessory Bracket Reassembly.................................................6-16
Figure 6-33. Main Circuit Board, finger strips, O-ring and Battery Contact Seal Reassembly(UHF1) 6-16
Figure 6-35. Chassis Assembly and Front Housing Assembly Reassembly ......................................6-17
Figure 6-36. EP350 (Full Keypad without Channel Knob)Radio Exploded View................................ 6-18
Figure 7-37. Limited Keypad Without Channel Knob Model .................................................................7-6
Figure 7-38. Battery and Antenna Removal..........................................................................................7-7
Figure 7-39. Knob Removal.................................................................................................................. 7-8
Figure 7-40. Chassis Removal.............................................................................................................. 7-8
Figure 7-41. Speaker Wire and Flexible Cable Connection.................................................................. 7-9
Figure 7-42. Speaker Wire Removal.....................................................................................................7-9
Figure 7-43. Unlatch the Flexible Cable..............................................................................................7-10
Figure 7-44. Sub-Circuit Board and Accessory Bracket Removal ......................................................7-10
Figure 7-45. Main Circuit Board, finger strips, O-ring and Battery Contact Seal Removal(UHF2) ..... 7-11
List of Figures ix
Figure 7-46. Main Circuit Board, finger strips, O-ring and Battery Contact Seal Removal (UHF1) .... 7-11
Figure 7-47. Front Circuit Board Removal .......................................................................................... 7-12
Figure 7-48. LCD and Keypad Removal............................................................................................. 7-12
Figure 7-49. Speaker Removal........................................................................................................... 7-13
Figure 7-50. Speaker Reassembly ..................................................................................................... 7-14
Figure 7-51. LCD and Keypad Reassembly ....................................................................................... 7-14
Figure 7-52. Front Circuit Board Reassembly .................................................................................... 7-15
Figure 7-53. Main Circuit Board, O-ring and Battery Contact Seal Reassembly(UHF2) .................... 7-16
Figure 7-54. Main Circuit Board, finger strips, O-ring and Battery Contact Seal Reassembly(UHF1) 7-16
Figure 7-55. Sub Circuit Board and Accessory Bracket Reassembly................................................. 7-17
Figure 7-56. Chassis Assembly and Front Housing Assembly Reassembly ...................................... 7-17
Figure 7-57. EP350 (Limited Keypad without Channel Knob) – Exploded View ................................ 7-18
x List of Tables
List of Tables
Table 1-1. Radio Model Number (Example:MDH03RDH8AA7) ........................................................1-1
Table 3-2. Recommended Test Equipment ....................................................................................... 3-1
Table 3-3. Service Aids......................................................................................................................3-2
Table 4-4. Radio Operation in Test Mode..........................................................................................4-1
Table 5-5. Initial Equipment Control Settings ....................................................................................5-3
Table 5-6. Transmit High/Low Power Level....................................................................................... 5-3
Table 5-7. Transmit Modulation Tuning ............................................................................................. 5-5
Table 5-8. Receiver Squelch Tuning .................................................................................................5-8
Table 5-9. Front Panel Programming Mode Parameters................................................................. 5-16
Table 6-10. Lead Free Solder Wire Part Number List .........................................................................6-3
Table 6-11. Lead Free Solder Paste Part Number List........................................................................ 6-3
Table 6-12. Torque Chart ..................................................................................................................6-17
Table 6-13. Parts List (Full Keypad without Channel Knob) .............................................................. 6-19
Table 7-14. Lead Free Solder Wire Part Number List .........................................................................7-4
Table 7-15. Lead Free Solder Paste Part Number List........................................................................ 7-4
Table 7-16. Torque Chart ..................................................................................................................7-18
Table 7-17. Parts List (Limited Keypad without Channel Knob) ........................................................ 7-19
Table 8-18. Error Code Display ........................................................................................................... 8-1
Table 8-19. Receiver Troubleshooting Table.......................................................................................8-2
Table 8-20. Transmitter Troubleshooting Table...................................................................................8-3
Table B-1. Portable Radios and Product Accessories Warranty........................................................B-1
Related Publications
LACR
EP350 Series Radios User Guide
(English, Latin American Spanish, Brazilian Portuguese)...............................................6878081A01
EP350 Series Radios Quick Reference Card
(English, Latin American Spanish, Brazilian Portuguese)............................................. 68007024010
EP350 Basic Service Manual ..................................................................................................6878419A01
EP350 Detailed Service Manual ..............................................................................................6878422A01
Product Safety and RF Exposure Booklet ................................................................................6881095C98
Notations Used in This Manual xi
Notations Used in This Manual
Throughout the text in this publication, you will notice the use of the following notations. These notations
are used to emphasize that safety hazards exist, and due care must be taken and observed.
Note
An operational procedure, practice, or condition that isessential to emphasize.
CAUTION indicates a potentially hazardous situation which, if not avoided,
might result in equipment damage.
xii Summary of Bands Available
Summary of Bands Available
Table below lists all the bands available in this manual. For details, please refer to the Model Charts section.
Frequency Band Bandwidth Power Level
UHF2 435–480 MHz 1W or 4W
VHF 136– 74 MHz 1W or 5W
UHF1 403–447 MHz 1W or 4W
Chapter 1 Model Charts and Test Specifications
1.1 Radio Model Information
The model number and serial number are located on a label attached to the back of your radio. You
can determine the RF output power, frequency band, protocols, and physical packages. The example
below shows one portable radio model number and its specific characteristics.
Table 1-1. Radio Model Number (Example:MDH03RDH8AA7)
Regional
Prefix
Type of
Unit
Model
Series
Freq. Band
Power
Level
Physical
Packages
Channel
Spacing
Protocol
Feature
Level
LA H 03 R
UHF
(435–480 MHz)
K
VHF
(136–174 MHz)
M
200MHz
(216–223 MHz)
N
200MHz
(245–247 MHz)
E
300MHz
(350–390 MHz)
Q
UHF
(403–447 MHz)
S
UHF
(470–512 MHz)
D
4 W
C
2 W
E
5 W
H
Limited
Keypad
without
Channel
Knob
K
Full Keypad
without
Channel
Knob
T
Full Keypad
RTTE Model
U
Limited
Keypad
RTTE Model
8
12.5/25k
4
12.5k
6
20/25k
9
12.5/20/
25k
AA 7
No
Front Panel
Prog.
with
Scrambling
1
Fixed Freq.
Tier 1
2
Fixed Freq.
Tier 2
3
Fixed Freq.
Tier 3
4
Fixed Freq.
Tier 4
5
Fixed Freq.
Tier 5
9
Front Panel
Prog.
with
Scrambling
LA = LACR
H = Portable
03 = CP Family Model Series
AA = Conventional
1-2 Model Charts and Test Specifications: Model Chart for UHF2, 435–480 MHz
1.2 Model Chart for UHF2, 435–480 MHz
EP350, UHF2, 435–480 MHz
Model Description
LAH03RDK8AA9AN EP350 435 – 480M 4W 12.5/25K 99C Full Keypad
LAH03RDH8AA7AN EP350 435 – 480M 4W 12.5/25K 99C Limited Keypad
Item Description
X PMUE3148_ 435 – 480M 4W 12.5/25K 99C FKPFPP SCR
X PMUE3144_ 435 – 480M 4W 12.5/25K 99C LKP SCR
X PMDE4010_R 435 – 480M 4W PCB – PMUE3148_AL
X PMDE4012_R 435 – 480M 4W PCB – PMUE3144_AL
X PMDN4130_R Front Circuit Board, FKP
X PMDN4131_R Front Circuit Board, LKP
X X PMDN4129_R Sub Circuit Board, w/o Channel
X X 6878419A01 EP350 BASIC SERVICE MANUAL
X X 6878422A01 EP350 DETAILED SERVICE MANUAL
X = Indicates compatibility with model(s)
Model Charts and Test Specifications: Model Chart for VHF, 136–174 MHz 1-3
1.3 Model Chart for VHF, 136–174 MHz
EP350, VHF, 136–174 MHz
Model Description
LAH03KEK8AA9AN EP350 136 – 174M 5W 12.5/25K 99C Full Keypad
LAH03KEH8AA7AN EP350 136 – 174M 5W 12.5/25K 99C Limited Keypad
Item Description
X PMUD2437_ 136 – 174M 5W 12.5/25K 99CH FKPFPP SCR
X PMUD2441_ 136 – 174M 5W 12.5/25K 99CH LKP SCR
X PMDD4011_R 136 – 174M 5W PCB – PMUD2437_AL
X PMDD4017_R 136 – 174M 5W PCB – PMUD2441_AL
X PMDN4130_R Front Circuit Board, FKP
X PMDN4131_R Front Circuit Board, LKP
X X PMDN4129_R Sub Circuit Board, w/o Channel
X X 6878419A01 EP350 BASIC SERVICE MANUAL
X X 6878422A01 EP350 DETAILED SERVICE MANUAL
X = Indicates compatibility with model(s)
1-4 Model Charts and Test Specifications: Model Chart for UHF1, 403–447 MHz
1.4 Model Chart for UHF1, 403–447 MHz
EP350, UHF1, 403–447 MHz
Model Description
LAH03QDK8AA9AN EP350 403 – 447M 4W 12.5/25K 99C Full Keypad
LAH03QDH8AA7AN EP350 403 – 447M 4W 12.5/25K 99C Limited Keypad
Item Description
PMUE3320_ 403 – 447M 4W 12.5/25K 99C FKPFPP
PMUE3323_ 403 – 447M 4W 12.5/25K 99C LKP
PMDE4028_R 403 – 447M 4W PCB – PMUE3320_AL
PMDE4034_R 403 – 447M 4W PCB – PMUE3323_AL
PMDN4130_R Front Circuit Board, FKP
PMDN4131_R Front Circuit Board, LKP
PMDN4129_R Sub Circuit Board, w/o Channel
6878419A01 EP350 BASIC SERVICE MANUAL
6878422A01 EP350 DETAILED SERVICE MANUAL
X = Indicates compatibility with model(s)
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Motorola EP350 Series Basic Service Manual

Category
Two-way radios
Type
Basic Service Manual

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