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Pub. 43004-007C
G A I - T R O N I C S ® C O R P O R A T I O N
A H U B B E L L C O M P A N Y
ILD1000A Local Desk Set
User and Installation Manual
GAI-Tronics Corporation 400 E. Wyomissing Ave. Mohnton, PA 19540 USA
610-777-1374 800-492-1212 Fax: 610-796-5954
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TRONICS
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Summary of Contents for GAI-Tronics ILD1000A
- Page 1 A H U B B E L L C O M P A N Y ILD1000A Local Desk Set User and Installation Manual GAI-Tronics Corporation 400 E. Wyomissing Ave. Mohnton, PA 19540 USA 610-777-1374 800-492-1212 Fax: 610-796-5954 ISIT WWW...
- Page 2 GAI-Tronics. WARRANTY GAI-Tronics warrants for a period of one (1) year from the date of shipment, that any GAI-Tronics equipment supplied hereunder shall be free of defects in material and workmanship, shall comply with the then-current product specifications and product literature, and if applicable, shall be fit for the purpose specified in the agreed-upon quotation or proposal document.
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Page 3: Table Of Contents
ANUAL ................................ 1 OMENCLATURE ..........................1 RDERING EPLACEMENT ARTS ..............................1 ERVICE AND EPAIR ILD1000A L ................2 EATURES AND ENEFITS OF THE OCAL FCC I ..........................2 NTERFERENCE ARNING CMOS I ..................3 ... - Page 4 Table of Contents ILD1000A Local Desk Set ..................... 10 ABLE NSTALLATION AFETY ONSIDERATIONS (ESD) P ....................10 LECTROSTATIC ISCHARGE ROTECTION ................................11 ONNECTIONS ............................... 11 OWER ONNECTION ..............................11 ADIO ONNECTION Terminal Strip Table ............................12 ...
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Page 5: Foreword
Foreword Scope of Manual This manual offers descriptive data and service information for the ILD1000A Local Desk Set. Service diagrams and printed circuit board details are a part of this service manual. Nomenclature The model number, located on the nameplate on the bottom, specifically identifies GAI-Tronics equipment. -
Page 6: Features And Benefits Of The Ild1000A Local Desk Set
Foreword ILD1000A Local Desk Set Features and Benefits of the ILD1000A Local Desk Set Feature Benefit Selectable latching monitor User can select the monitor function to continue after the MONITOR button has been released. Intercom Desk set users can communicate with each other without tying up valuable air time. -
Page 7: Safe Handling Of Cmos Integrated Circuit Devices
ILD1000A Local Desk Set Foreword Safe Handling of CMOS Integrated Circuit Devices Many of the integrated circuit devices used in communications equipment are of the Complementary Metal Oxide Semiconductor (CMOS) type. Because of their high open circuit impedance, CMOS integrated circuits are vulnerable to damage from static charges. Care must be taken handling, shipping, and servicing them and the assemblies in which they are used. -
Page 8: Performance Specifications
Foreword ILD1000A Local Desk Set Performance Specifications Color ..............................Black Physical Size ....................7.6 W 6.3 L 4.7 H inches Weight ..............................4 lbs. Temperature range ......................−35º C to +70º C Humidity ...................... 95% at 50º C (non-condensing) Power input ..................... -
Page 9: Description
Description Physical Description The ILD1000A is an extended local control desk set. Up to ten desk sets can be connected in parallel, allowing up to ten dispatch points for one radio system. The ILD1000A operation can be customized using DIP switches 1, 2, and 3. Refer to the switch settings table later in this section for more information. -
Page 10: Handset
–1 V After any switch setting changes (except SWA-8), the power to the desk set must be cycled for the new settings to take effect. ILD1000A Basic Local Desk Set Field Replacement Items Description Part No. Fuse, Bussmann Type GMA 750 mA FB... -
Page 11: Operation
Operation Front Panel Button Operation VOLUME Up/Down Buttons Press the Up or Down buttons to adjust the local speaker volume. They are also used VOLUME VOLUME as programming function keys. (CTL) Control Button button is used in conjunction with the Up and Down buttons to manually control the VOLUME local speaker. -
Page 12: Initiating Calls
For the best transmit audio quality, maintain a distance of about 12 to 18 inches from the microphone. Full Duplex Operation For full duplex operation (TX and RX simultaneously) the handset must be used to speak to the mobile user while pressing the ILD1000A button. TRANSMIT 02/12... -
Page 13: Installation
Mounting The ILD1000A Desk Set can be placed on a desk or mounted vertically on a wall. To wall mount the desk set, remove the four bottom screws from the base and then rotate the base 180. Reinstall the four screws to the base and rotate the handset hook located on the front of the unit. -
Page 14: Equipment Required
Installation ILD1000A Local Desk Set Equipment Required Test Equipment High-impedance type audio voltmeter with a range of 80 mV to 4 V capable of measuring 1000 Hz #1 Phillips screwdriver 1/8-inch flat-blade screwdriver Optional: RF service monitor Documentation ... -
Page 15: Connections
As an option, power can be supplied to the ILD1000A Desk Set from a listed Class 2 120 V ac wall adapter. (The desk set is rated as Class III SELV powered equipment). The ac adapter is necessary if: ... -
Page 16: Terminal Strip Table
Installation ILD1000A Local Desk Set Terminal Strip Table Wire Terminal Color Function The dc power positive (+) input Orange RX audio Yellow RX audio return Shield TX audio return Brown TX audio White Monitor output (active low) Green PTT output (active low) Black The dc power negative (–) and surge/logic ground... -
Page 17: Local Desk Set To Rpg Radio Connection Chart
ILD1000A Local Desk Set Installation Local Desk Set to RPG Radio Connection Chart Desk Set Radio Pin # Function Wire Color Connector Pin # Radio Function DC+ power input Switched B+ when radio is on RX audio + Orange RX audio RX audio –... -
Page 18: Line (Receive Audio) Input Level Adjustment
Installation ILD1000A Local Desk Set Line (Receive Audio) Input Level Adjustment The desk set can adapt to input levels ranging from 200 mV to 4.0 V using the appropriate DIP switch setting. The DIP switch is located on the main printed circuit board. The RX sensitivity has been factory set to receive 300 mV ac. -
Page 19: Theory Of Operation
Theory of Operation Digital Circuits On power-up, microcontroller U1 reads switch SWA through tri-state buffer U2. Switch readings determine operating characteristics of the desk set. Periodically, U1 reads the state of keyboard buttons via its bidirectional I/O ports. Monitor is asserted by the microcontroller through Q10 and associated components. The circuit consisting of Q11, U3e, and associated components provides indication that the monitor function is asserted (whether by this desk set or a parallel-connected device). -
Page 20: Speaker Volume Control
Theory of Operation ILD1000A Local Desk Set Speaker Volume Control The actual speaker output level adjustment is done internally within power amp U17. The control circuit for this provides a precise control current sink connected to pin 5 of U17. The microcontroller examines Up/Down button presses and provides control pulses to electronic pot U16. -
Page 21: Troubleshooting
Troubleshooting Troubleshooting the ILD1000A Basic Local Desk Set The following is a list of potential problems you may encounter and possible solutions. Problem Possible Solution The desk set will not key Check cable wiring to radio and desk set terminals the station transmitter. -
Page 22: Fuse Replacement
Troubleshooting ILD1000A Local Desk Set Fuse Replacement CAUTION For continued safe operation, replace fuses with the same type: F1 is a Bussmann GMA 750mA fuse. 02/12... -
Page 23: Main Circuit Board
Main Circuit Board 02/12... - Page 24 Main Circuit Board ILD1000A Local Desk Set...
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Page 25: Schematics
Schematics 02/12... - Page 26 Schematics ILD1000A Local Desk Set Local Desk Set Microprocessor Section Schematic Diagram - Sheet 1 of 4...
- Page 27 ILD1000A Local Desk Set Schematics Local Desk Set RX Audio Schematic Diagram - Sheet 2 of 4...
- Page 28 Schematics ILD1000A Local Desk Set Local Desk Set TX Audio Schematic Diagram - Sheet 3 of 4...
- Page 29 ILD1000A Local Desk Set Schematics Local Desk Set Power and I/O Schematic Diagram - Sheet 4 of 4...
- Page 30 Schematics ILD1000A Local Desk Set Notes:...
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Page 31: Definitions And Acronyms
Definitions and Acronyms Term Definition Carrier squelch A means of grouping users of a common radio channel. Subaudible tones are transmitted CTCSS with audio; a particular radio's speaker (or the speakers of a group of radios) will unmute to broadcast a transmission only if the associated subaudible tone identifies it as belonging to the radio's user group. - Page 32 Notes: ILD1000A Local Desk Set...
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