Motorola Vhf 136 174 Mhz Uhf 435 480 Mhz 6881096c38 Manual
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Table of Contentsv 6881096C38March, 2006 7.3.4 CPU / Control Section....................................................................................................... 7-5 7.3.5 VCO / Synthesizer Section ............................................................................................... 7-5 7.3.6 Transmitter Section........................................................................................................... 7-6 7.3.7 Power Control ................................................................................................................... 7-7 7.3.8 Receiver Section............................................................................................................... 7-7 7.3.9 Battery Section ................................................................................................................. 7-8 7.4 Block Diagrams.............................................................................................................................. 7-9 7.4.1 Complete .......................................................................................................................... 7-9 7.4.2 Controller ........................................................................................................................ 7-10 7.4.3 VCO ................................................................................................................................ 7-10 7.4.4 Transmitter...................................................................................................................... 7-11 7.4.5 Receiver.......................................................................................................................... 7-11 7.5 Troubleshooting Charts ............................................................................................................... 7-12 7.6 VHF 136-174 MHz Circuit Board/Schematic Diagrams and Parts List ........................................ 7-17 VHF 136-174 MHz Controller Board (K305E501-01) .................................................................. 7-17 Chapter 7 ............................................................................................ 7-17 VHF 136-174 MHz Complete Controller Board Schematic Diagram (K305E501-01).................. 7-18 VHF 136-174 MHz Main Board Top Side (K305E502-01) ........................................................... 7-19 VHF 136-174 MHz Main Board Bottom Side (K305E502-01)...................................................... 7-20 VHF 136-174 MHz Switches and Battery Schematic Diagram (K305E502-01) .......................... 7-21 VHF 136-174 MHz Receiver Front End Schematic Diagram (K305E502-01) ............................. 7-22 VHF 136-174 MHz Receiver Back End and Receiver Audio Schematic Diagram (K305E502-01) . 7- 23 VHF 136-174 MHz Voltage Controlled Oscillator and Synthesizer Shcmeatic Diagram (K305E502- 01) ............................................................................................................................... 7-24 VHF 136-174 MHz Audio PA and External Audio Schematic Diagram (K305E502-01) .............. 7-25 VHF 136-174 MHz Transmit Audio Schematic Diagram (K305E502-01) .................................... 7-26 VHF 136-174 MHz Transmitter Schematic Diagram (K305E502-01) .......................................... 7-27 VHF 136-174 MHz Radio Parts List (Controller Board) (K305E501-01)...................................... 7-28 VHF 136-174 MHz Radio Parts List (RF Board) (K305E502-01) ................................................ 7-29 Chapter 8 UHF (435-480 MHz) Band Information............................... 8-1 8.1 Model Charts ................................................................................................................................. 8-1 8.2 Specifications................................................................................................................................. 8-3 8.3 Theory of Operation ....................................................................................................................... 8-4 8.3.1 General Information .......................................................................................................... 8-4 8.3.2 Power Distribution............................................................................................................. 8-4 8.3.3 Power up Sequence .........................................................................................................8-4 8.3.4 CPU / Control Section....................................................................................................... 8-5 8.3.5 VCO / Synthesizer Section ............................................................................................... 8-5 8.3.6 Transmitter Section........................................................................................................... 8-6 8.3.7 Power Control ................................................................................................................... 8-7 8.3.8 Receiver Section............................................................................................................... 8-7 8.3.9 Battery Section ................................................................................................................. 8-8 8.4 Block Diagrams.............................................................................................................................. 8-9 8.4.1 Complete .......................................................................................................................... 8-9 8.4.2 Controller ........................................................................................................................ 8-10 8.4.3 VCO ................................................................................................................................ 8-10 8.4.4 Transmitter...................................................................................................................... 8-11
viTable of Contents March, 20066881096C38 8.4.5 Receiver .......................................................................................................................... 8-11 8.5 Troubleshooting Charts................................................................................................................ 8-12 8.6 UHF 435-480 MHz Circuit Board/Schematic Diagrams and Parts List ........................................ 8-17 UHF 435-480 MHz Controller Board (K305E501-01) .................................................................. 8-17 Chapter 8 ............................................................................................ 8-17 UHF 435-480 MHz Complete Controller Board Schematic Diagram (K305E501-01).................. 8-18 UHF 435-480 MHz Main Board Top Side (K305E503-01) ........................................................... 8-19 UHF 435-480 MHz Main Board Bottom Side (K305E503-01)...................................................... 8-20 UHF 435-480 MHz Switches and Battery Schmeatic Diagram (K305E503-01) .......................... 8-21 UHF 435-480 MHz Receiver Front End Schematic Diagram (K305E503-01) ............................. 8-22 UHF 435-480 MHz Receiver Back End and Receiver Audio Schematic Diagram (K305E503-01) . 8- 23 UHF 435-480 MHz Voltage Controlled Oscillator and Synthesizer Schematic Diagram (K305E503- 01)................................................................................................................................ 8-24 UHF 435-480 MHz Audio PA and External Audio Schematic Diagram (K305E503-01) .............. 8-25 UHF 435-480 MHz Transmitter Audio Schematic Diagram (K305E503-01) ................................ 8-26 UHF 435-480 MHz Transmitter Schematic Diagram (K305E503-01) .......................................... 8-27 UHF 435-480 MHz Radio Parts List (Controller Board) (K305E501-01)...................................... 8-29 UHF 435-480 MHz Radio Parts List (RF Board) (K305E503-01) ................................................ 8-30
6881096C38March, 2006 User Safety, Training, and General Information Product Safety and RF Exposure Compliance ATTENTION! This radio is restricted to occupational use only to satisfy FCC 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 68P81095C98) to ensure compliance with RF energy exposure limits. CAUTION:Before using this product, read the operating instructions for safe usage contained in the Product Safety and RF Exposure booklet enclosed with your radio.
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Chapter 1 Introduction 1.1 Scope of Manual This manual is intended for use by service technicians familiar with similar types of equipment. It contains service information required for the equipment described and is current as of the printing date. Changes which occur after the printing date may be incorporated by a complete Manual revision or alternatively as additions. 1.2 Warranty Motorola offers long term support for its products. This support includes full exchange and/or repair of the product during the warranty period, and service/ repair or spare parts support out of warranty. Any “return for exchange” or “return for repair” by an authorized Motorola Dealer must be accompanied by a Warranty Claim Form. Warranty Claim Forms are obtained by contacting an Authorized Motorola Dealer. 1.2.1 Warranty Period and Return Instructions The terms and conditions of warranty are defined fully in the Motorola Dealer, Distributor, or Reseller contract. These conditions may change from time to time and the following notes are for guidance purposes only. In instances where the product is covered under a “return for replacement” or “return for repair” warranty, a check of the product should be performed prior to shipping the unit back to Motorola. This is to ensure that the product has been correctly programmed or has not been subjected to damage outside the terms of the warranty. 1.2.2 After Warranty Period After the Warranty period, Motorola continues to support its products in two ways. 1.Motorolas Radio Products and Services Division (RPSD)* offers a repair service to both end users and dealers at competitive prices. 2.Radio Products and Services Division (RPSD) supplies individual parts and modules that can be purchased by dealers who are technically capable of performing fault analysis and repair. * The Radio Products and Services Division (RPSD) was formerly knows as the Accessories and Aftermarket Division (AAD) 1.3 Replacement Parts Ordering 1.3.1 Basic Ordering Information When ordering replacement parts or equipment information, the complete identification number should be included. This applied 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, a sufficient description of the desired component to identify it.NOTE: Before operating or testing these units, please read the Product Safety and RF Exposure Compliance section in the front of this manual.
March, 20066881096C38 1-2Introduction: Replacement Parts Ordering 1.3.2 Motorola Online Motorola online users can access our on-line catalog at: HTTPS://WWW.motorola.com/businessonline To register for online access, please call 800-814-0601 (for U.S. and Canada Service Centers only). 1.3.3 Mail Orders Send written orders to the following addresses: 1.3.4 Telephone Orders Radio Products and Services Division (RPSD)* (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 1.3.5 Fax Orders Radio Products and Services Division (RPSD) (United States and Canada) 1-800-622-6210 1.3.6 Parts Identification Radio Products and Services Division (RPSD) (United States and Canada) 1-800-422-4210, menu 3 * The Radio Products and Services Division (RPSD) was formerly known as the Accessories and Aftermarket Division (AAD)Replacement Parts/Test Equipment/Manuals/Crystal Service Items: Motorola, Inc. Radio Products and Services Division Attention: Order Processing 2200 Galvin Dr. Elgin, IL 60123 U.S.A.
6881096C38March, 2006 Introduction: Technical Support1-3 1.3.7 Product Customer Service Customer Response Center (Non-technical Issues) 1-800-247-2346 FAX: 1-800-247-2347 1.4 Technical Support Technical support is available to assist the dealer/distributor in resolving any malfunction which may be encountered. Initial contact should be by telephone wherever possible. When contacting Motorola Technical Support (Customer Resources), be prepared to provide the product model number and the unit’s serial number. Motorola Radio Support Center 2204 Glavin Drive Elgin, Illinois 60123 1-800-227-6772 1-815-489-1000 Canadian Technical Logistics Centre 400 Matheson Blvd. W, Mississauga, Ontario, Canada L5R 3M1 1-800-543-3222 1-416-756-5841 1-888-331-9872 (Fax)
March, 20066881096C38 1-4Introduction: Radio Model Information 1.5 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: AAH49KDF8AA1A_) Ty p e of UnitModel SeriesFrequency BandPower LevelPhysical PackagesChannel SpacingProtocolFeature Level AAH49K (136-174 MHz)D 5 WF Limited Keypad with Display8 12.5/25KAA Conventional1 Limited Keypad R (435-480 MHz)C 4 W Internal Use H = Portable
Radio Features1-5 6881096C38March, 2006 1.6 Radio Features CPS = Customer Programming Software (for Reseller) FeatureBusiness Portable CPSFront Panel Factory ResetX Radio Information X Radio Configuration Scan Interval TimerX Scan Hang Timer X Alert Tone XX Backlight Status XX Battery Saver XX Battery Type XX Time Out Timer XX Prime (Home) Ch XX Prime Ch Return Hang Time X Squelch Level XX Tx Repeater Hang Time X VOX Parameter1 X VOX Parameter2 X Reverse Burst Phase X Offset Freq X Special (Non Standard) PL 1,2,3 X RX/TX DPL Invert X Conventional Personality Channel EnableX Ch Alias X Rx Freq X Tx Freq X PL/DPL Select XX Power Level X Reverse Burst/Turn Off Code X VOX XX Busy Channel Lockout (BCL) X Tx Offset(Repeater Offset) X Scan Type SelectX Ch Spacing X Scan Programmable Scan ListXX Scan List Select X Programmable Button Options Channel AliasX Backlight X Vo l u m e S e t X Keypad Lock X Prime Channel X Power Select X Talkaround (Repeater) X Scan On/Off X Nuisance Channel Delete X PL/DPL Select X No Function X X = Indicates available Blank = Indicates unavailable FeatureBusiness Portable CPSFront Panel
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