UHF DATA TRANSCEIVERS PLL SYNTHESIZED (EEPROM) Service Manual HEC HERMES ELECTRONICS CO., LTD.
TABLE OF CONTENS 1. SPECIFICATION … … … … … … … … … … … … … … … … … … … … … … … … … ..2 2. CONNECTIONS AND OPERATION DESCRIPTION… … … … … … … … 3 3. CIRCUIT DESCRIPTION … … … … … … … … … … … … … … … … … … … … ..4-6 4. PERFORMANCE TEST AND ALIGNMENT… … … … … … … … … … … 7 5. TEST EQUIPMENT CONFIGURATION … … … … … … … … … … … … … 8 6. TRANSMITTER PERFORMANCE TEST … … … … … .… … … … … … … … … .9-11 7. PARTS LIST … … … … … … … … … … … … … … … … … … … … … … … … … … ..12-15 8. PROGRAMMER INSTRUCTION… … .
1. SPECIFICATION GENERAL SPECIFICATIONS POWER SOURCE … … … … … … … … … … … … … … … 6.0VD.C. TEMPERATURE RANGE STORAGE … … … … … … … … … … … … … … … .80℃ maximum -40℃ min. 25℃ nominal OPERATING … … … … … … … … … … … … … … .70℃ maximum -20℃ min. ANTENNA IMPEDANCE … … … … … … … … … … … … ...50Ω FREQUENCY CONTROL … … … … … … … … … … … … … ...PLL SYNTHESISER FREQUENCIES OF OPERATION … … … … … … … … … ..406-430MHZ,450-470MHZ FREQUENCY TOLERANCE AND STABILITY … … … … ±1.
. PERFORMANCE TEST AND ALIGNMENT The alignment and performance test procedures assume the use of the following equipment. Discrete test equipment Volt Meter RF Power Meter.
8. PROGRAMMER INSTRUCTION Welcome to PC Programmer. Please Read this file, before you first use the software. TABLE OF CONTENTS 1. 2. 3. 4. 5. Brief introduction Before Installing Install PC Programmer INSTRUCTIONS UnInstall PC Programmer 1. Brief introduction Welcome to PC Programmer. This program is designed to be used with the Interface Adapter. The following equipment will be needed to program the Device: A.
4. INSTRUCTIONS 4.1 Connection 4.2 Start up PC Programmer 4.3 Edit Configuration 4.3.1 Open/Recall/Upload Configuration file 4.3.2 Edit Channel data 4.3.3 Set Option item 4.3.4 (Block)Cut/Copy/Delete/Paste 4.3.5 Auto-Frequency edit 4.3.6 Save a Configuration to disk 4.3.7 Download Configuration to device 4.3.8 Print a Configuration 4.4 Exit PC Programmer 4.1 Connection 1.Connect one side of Interface Adapter to the computer's serial port.
4.2 Start up PC Programmer 1.Select 'Start', choose 'Programs', click on the '*** Serial PC Programmer' program. 2.When HD Serial PC Programmer is started, a main form will be shown after a greeting form. 3.There has a menu bar at the top of the main form, and a message box at the bottom. NOTE:The program is menu driven for all pertinent commands. All the commands can be accessed by either key board or the left mouse button.
4.3.3 Edit Option item 1)To Edit Channel Option, Select a particular channel number in the Option View Window by either the arrow key or click on it, then Pop up the input window for Channel Option, 'Enter' key or double click on the selected channel number. 2)To Edit System Option, Pop up input window for System Option, click "SYSTEM" in the 'OPTION' menu. 3)To Edit Advanced Option, Pop up input window for Advanced Option, click "ADVANCED OPTION" in the 'OPTION' menu.
4)Click 'OK' button on the input window to accept the change or 'CANCEL' to not change, and return back to Configuration Window. 4.3.6 Save a Configuration to disk 1)Different configuration can be saved to disk. 2)Click on 'SAVE' item in 'FILE' Menu will overwrite an existing configuration file on your disk by current configuration. 3)Select 'SAVE AS' from 'FILE' Menu will save the current configuration by a name as you prefer. 4.3.
Federal Communication Commission Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
