ILD1000A Local Desk Set User and Installation Manual - GAI
Contents
1. JUNCTION A JUNCTION BOX BOX XLDOOO1A XLDO001A Figure 2 Sample ILD1000A Desk Set Installation Diagram Shown connected in parallel within one building NOTE Maximum distance from the radio is limited to 1000 feet of total cable length Mechanical Receipt Inspection The ILD1000A Local Desk Set is shipped in a cardboard container with inserts Thoroughly inspect it as soon as possible after delivery In transit damage should be immediately reported to the transportation company 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 FCC Interference Warnings The FCC requires that manuals pertaining to Class A and Class B computing devices contain warnings about possible interference with local and residential radio and TV reception Please read these warnings and all safety information in the Foreword section of this manual 9 02 12 Installation ILD1000A Local Desk Set Equipment Required Test Equipment e High impedance type audio voltmeter with a range of 80 to 4 Vrms capable of measuring 1000 Hz e 1 Phillips screwdriver e 1 8 inch flat blade screwdriver Optional RF service2. usss 18 NEATN CIRCUTT BOARD 222 Sstt eSP nest at nie 19 21 DEFINITIONS AND ACRONYMS u nes nine 27 02 12 Publication 43004 007C ili 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 If additional options are ordered the option will be identified on the circuit board Ordering Replacement Parts When ordering replacement parts or requesting equipment information please include the complete identification number This applies 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 and sufficient description of the desired component to identify it Order parts from Customer Service GAI Tronics Corporation 400 E Wyomissing Ave Mohnton PA 19540 US 800 492 1212 Outside US 610 777 1374 Service and Repair Inoperative or malfunctioning equipment should be returned to the factory for repair Please call 1 800 492 1212 to obtain a Return Authorization number publish
3. 8 TRANSMIT FROM INTERNAL MICROPHONE 55 8 FULL DUPLEX OPERATION oul en kaa quas saa qupa uqa 8 MINS RE OO u ass 9 PEANNING THE INSTALLATION nn sens wa nee San tt See CT a 9 MECHANICAL RECEIPT INSPECTION 9 MOUNTING dd ae 9 FCCTNTERFERENCE WARNINGS 9 Ad ET PoE 10 10 uum b a eet POLY ELE ia ne 10 02 12 Publication 43004 007 Table of Contents ILD1000A Local Desk Set CABLE INSTALLATION SAFETY CONSIDERATIONS 10 ELECTROSTATIC DISCHARGE ESD PROTECTIONS a 10 CONNECTIONS SS 11 POWER CONNECTION Su fe kuyay al eee hehe eo 11 TOI ONIN CMON ai am Suamiku ne 1
4. cin amp AGNO a ets THSM J1 pis POT4 RED T TXALOJSHEET 4 1 1 TX AUDIO LEVEL a 2 T 52 SUA 100 w 15 sw Riss 7 7 220K as Le 7 196 PGND PAS SHEET 1 SUA GAN 47K J1 3 OFFER es INTRCM_BTTN p12 35 R184 100 I C41 x SM 1 pF 18 R186 1 x 5 5 1 2 47K 58 2 a2p3 026 Di 42 gt Q10 G gt SHEET 4 8 2K Insite 1910 62 1 0 SHEET 1 PAG b ka 144146 4 7K AGND gt RGND SUD lt gt E DGND PIN 1 IS ON THE RIGHT LOOKING INTO THE CONNECTOR PINS UP Local Desk Set TX Audio Schematic Diagram Sheet 3 of 4 24 ILD1000A Local Desk Set Schematics SUD R120 8 2K TSUA SOURCE DL TP UMB P g R123 5 K SHEET 1 CFO Y mie 4 1 SUR 1 SOURCE 528 PGND AGND B SHEET 1 SHEET 3 Q10 6 gt e SOURCE TVOS TieV 905 SOURCE 518 21 21 8 5 REF 2 sh 5 NC NC 19 AGND DGND TSUD SOURCE TP O O 100 O SUD SUD 014 DIS gt 2 IN 148 144148 SHEET D lt 74HCI 8145 SHEET 1 PRO gt 2 2K TB TP SOURCE Sub B DGND Lo
5. A CR OR eC 4 lbs Temperaire qana yy SR ne 35 C to 70 C J RME OAE N E E a ua 95 at 50 C non condensing Power put quqawa asa 10 5 16 V dc 400 mA maximum Frequency response r uu uu 3 dB 300 3000 Hz from 1 kHz reference H r and norse u u Q Better than 45 dB below rated outputs Audio OUDUL to 5 na ane 1 watt minimum with reference to input Audio Less than 3 THD audio ACY Cl 200 mVems 4 Vrms Transmit audio level a NT in ess 50 250 mVems into 560 ohms Maximum number of parallel desk sets Ten Control Functions p m a Active low Active low 02 12 4 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 Desk Set Button Panel Refer to the figure below for the locations of the buttons and LEDs on the desk set button panel Volume Buttons The desk set include
6. 01 190 10 0K 220K 9 HC3483 I 8 SHEET 4 B TXLO R82 R84 R86 1 TXLO 3 OL 190 10 0K 220K R101 47K U16 Fale b bey RS BL SHEET 1 4 475K 4 22 9313 7 CU16 penp VA R105 1078 106 18 Schematics TREF TP 1 2 R Rn 1 ci RX AUDIO LEVEL 2 5 Bee ee R73 R74 R79 C18 1 0 1 1 151 752 PO TP R 1 188KP fl2 875 3 22 PARALLELI AUDIO LEVEL 4 R69 Dis 1 KP i POT2 PGND L POND AGND ad L sIGGND L AT C52 SHEET 4 a3 SUA R93 R94 sup 199 100kP ol EARPC SHEET 3 ST SUD GND ix art D3 SPKR_EN INTRCH_BTTN SHEET 1 5 1 D4 A SHEET 1 x His SHEET 1 SHEET 3 19 103403 s 03 5 x J IF 4 Sig sS i AE Local Desk Set RX Audio Schematic Diagram Sheet 2 of 4 23 16_OHMS Schematics ILD1000A Local Desk Set us 8 9 UDD 4 74HCi US uss AGND AGND 18 at 12 US 8162 O O oj 9 TP x R178 19 ny MK1 O GN TXAHI JSHEET 4 R168 R169 7 4 2 56 2K 10 ats R161 2 015 i e 100 ion 9 e TE g x olt AGNO in x e x PG
7. Desk Set from a listed Class 2 120 V ac wall adapter The desk set 15 rated as Class SELV powered equipment The ac adapter 15 necessary if more than one unit is connected to a single base station e ifthe desk set is used more than 300 feet from the base station The desk set can operate on dc input voltages from 10 5 to 16 volts Connect the power supply as follows Positive white striped lead to Terminal Strip 1 terminal 1 Negative black lead to Terminal Strip 1 terminal 8 Radio Connection All power and radio interface connections are made to the eight position terminal strip on the main circuit board The desk set must be opened for access to this terminal strip 1 Route the cable through the slot on the bottom rear corner of the desk set housing 2 Loosen the eight slotted screws on the terminal strip and insert the cable wires into position according to the terminal strip table below 3 After connections to the radio cable and dc supply have been made verify the positions to ensure they are correct 4 Apply power Press the PTT pressbar on the handset to test the transmit function and the MONITOR button to test the receive function 11 02 12 Installation ILD1000A Local Desk Set Terminal Strip Table TS1 Wire Terminal Color The dc power positive input we Merops s sa De de per NOTE RX and TX audio return from all desk sets must be con
8. is factory set to provide the reference volume with a transmit intercom audio level of 80 mV ac If adjustments are needed 1 Apply a steady 1 kHz tone to the transmit pair from a parallel desk set or audio generator connected to terminal screws TS1 4 and TS1 5 with the output level set to the radio s recommended transmit audio level 2 Measure the level at the TREF test point Adjust the parallel audio level pot 2 to provide 800 mVpms at the TREF test point Handset Microphone This adjustment is factory set at a nominal level suitable for many applications Make adjustments only after the receive audio level pot and SWA 8 have been properly set 1 Locate the handset earpiece volume control which is accessible through the lower slotted mounting hole pot 3 without opening the unit 2 If adjustment is needed use a 1 8 inch slotted screwdriver to adjust pot 3 to a comfortable volume level Desk Set Reassembly 1 After making the required connections replace the top cover the desk set and reattach the four screws in each corner of the bottom housing 2 To wall mount affix the desk set to the wall using the molded in mounting holes 02 12 14 Theory of Operation Digital Circuits 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 Mo
9. monitor Documentation e Radio schematics e Radio manual e nstallation instructions Cable Installation Safety Considerations Wiring should conform to the Article 800 of the National Electrical Code Use listed communication wiring and cabling for interconnection to other equipment that 15 suitable for the purpose Cables should be marked as CM CMP CMR or CMX as appropriate for the use Interconnecting data cables should be separated from electrical light or other Class I power cables by at least 2 inches The exception is where Class I wiring or power circuits are run In a raceway or are metal sheathed or metal clad or are permanently separated from the conductors of the other circuitry by a continuous and firmly fixed nonconductor such as porcelain tubes or flexible tubing in addition to the insulation on the wire Interconnecting cables longer than 2 meters should be rated VW 1 or FT 1 greater The recommended cable kits conform to these requirements Electrostatic Discharge ESD Protection This equipment has ESD protection circuitry which provides a high degree of protection against ESD and power and telephone line surges The circuitry shunts the transient currents to earth ground through the GND terminal Terminal 8 inside the desk set on the 51 terminal block can be used as an earth GND terminal The GND terminal must be connected to a high quality earth ground point to obtain maximum protection Ideally the groun
10. 1 p aces 12 Local Desk Set to MCS 2000 Radio Connection Chart sise 12 Local Desk Set to RPG Radio Connection Chattes r sine sitter 13 SETTINGS AND ADIUSTMENTS te L usu u G NM fl Su Ne nt orne 13 Transmit Level D ER 13 Line Receive Audio Input Level a 14 Intercom Audio Input teen 14 Handset Cat AS upa hapa u aqu aa 14 DESKCSEP REASSEMBIDY ES 14 THEORY OF OPERATION 15 CIBCUTES 15 AUDIO CIRCUIT 15 SPEAKER VOLUME CONTROL se en 16 POWER OUP BG tact US wa 16 TROUBLESHOOTING nn rene eme waqasa uay n e in eine 17 TROUBLESHOOTING THE ILD1000A BASIC LOCAL DESK SET a 17
11. 5 10 TO 992 85212 SRE Urs lt l Q z 9 99 O lt IE ap 20 21 Schematics 02 12 Schematics ILD1000A Local Desk Set n 5 x 2 Fi PB D2 i U3 2 s u3 4 194148 Ri DGND x 198KP _ 9 TRES PA2 TP DGND O L1 4 7K Rit RIS 470 RIG 1 je 478 R28 ia R21 470 R23 22K IK R24 1K EMI SHIELDED 47K R41 R43 47K 47K 47K DN CTRL MON PTT 7 470 RIB 16 19 470 PAG SHEET 1 4 5 O 4HC14 4HC14 uP R44 47K 1 DONO Pox 4 MON PTT 024 4 1N4148 PAS SHEET 3 PAS 5 1 4 gt HSPTTIISHEET 3 SHEET 2 3 MONITOR YEL DL2 TRANSNIT RED SHEET 4 PTTS gt 47K 568 SHEET 4 HONS gt SHEET 2 3 SLIR80 SHEET 2 SWA 5 5 2 7 R36 ia IT ll SOET 892 2 8 2 R31 8 2K DGND Local Desk Set Microprocessor Section Schematic Diagram Sheet 1 of 4 22 ILD1000A Local Desk Set RxR1 TP 7 C4 R64 RXA1 101 100 10 22 SHEET 4 SHEET 1 SNA80 odlu SHEET 1 SHn8SiI3J RXA2 NE 82 cs R63 _ RES 2 01 100KP 10 TXHI C12 TP R83 R 100pF
12. NALITY PROGRAMMING SWITCH SWA cccccscsscssssssssesssssssssssecssssssecssssesessussesssensessssecssssasecesseesssensessasaverseaseens 6 SWA Switch Settings Table a aa 6 ILD1000A BASIC LOCAL DESK SET FIELD REPLACEMENT 5 2 0 000000000000000000000 6 25555 i cececeussssaueouscaveus vesssuasebdcaeseseaesseuvececeeyunstsecedonevessuassusseacesssecussescececeayesstsnnedeawers ones 7 FRONT PANEL BUTTON OPERATION lt 7 VOLUME Up Down BDUHON aqa 7 CIL Control Button 7 IC Intercom uy nt 7 MONITOR PO RDS 7 TRANSMIT DORE aa uay 7 RECEIVING CAILE S a ap ANA aaia 7 TO COL AM 7 GC ne OPN ee 8 HANDSET PTRANSMIPZ2 Qu annua
13. Pub 43004 007C A GAI TRONICS CORPORATION A HUBBELL COMPANY 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 VISIT WWW GAI TRONICS COM FOR PRODUCT LITERATURE AND MANUALS CONFIDENTIALITY NOTICE This manual is provided solely as an operational installation and maintenance guide and contains sensitive business and technical information that is confidential and proprietary to GAI Tronics GAI Tronics retains all intellectual property and other rights in or to the information contained herein and such information may only be used in connection with the operation of your GAI Tronics product or system This manual may not be disclosed in any form in whole or in part directly or indirectly to any third party COMPUTER SOFTWARE COPYRIGHTS This product contains copyrighted computer programs stored in semiconductor memory These programs are copyrighted by GAI Tronics Corporation and may not be reproduced in any form without express written permission from 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 q
14. ange such as is encountered an operating system In a system circuit elements distribute static charges and load the CMOS circuits decreasing the chance of damage However CMOS circuits can be damaged by improper handling of the modules even a system To avoid damage to circuits observe the following handling shipping and servicing precautions 1 Prior to and while servicing a circuit module particularly after moving within the service area momentarily touch both hands to a bare metal earth grounded surface This will discharge any static charge which may have accumulated on the person doing the servicing NOTE Wearing a conductive wrist strap will minimize static build up during servicing 2 Whenever possible avoid touching any electrically conductive parts of the circuit module with your hands 3 Power down the unit before installing or removing the circuit module 4 When servicing a circuit module avoid carpeted areas dry environments and certain types of clothing silk nylon etc because they contribute to static build up Similarly disconnect the test probe prior to removing the ground lead 5 All electrically powered test equipment should be grounded Apply the ground lead from the test equipment to the circuit module before connecting the test probe 6 Ifacircuit module is removed from the system it is desirable to lay it on a conductive surface such as a Sheet of aluminum foil which is connected to
15. cal Desk Set Power and 1 Schematic Diagram Sheet 4 of 4 016 ETS ra IS RADIO 1 0 a zie 151 R144 100 6 151 2 SHEET 2 151 1 e sn A a erh PGND SHEET 2 R1S1 TS1 2 108 5 lt SHEET 3 N R152 151 TXALO we Y 2 SHEET 3 s 758 1 R150 188 lt STE 3 8 PGND olu Bla oli als 18 ST oyi 25 Schematics ILD1000A Local Desk Set Notes 26 Definitions and Acronyms Carrier squelch A means of grouping users of a common radio channel Subaudible tones are transmitted 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 CDCSS A system analogous to CTCSS but using low speed digital signaling instead of subaudible tones HLGT High level guard tone LLGT Low level guard tone PTT Push to talk 27 02 12 Notes ILD1000A Local Desk Set 28
16. d point should originate at a 1 2 inch copper rod driven at least 6 feet into the soil with a No 16 AWG or larger copper wire run to the GND terminal taking the shortest path possible Where this 1s not possible ground to a nearby water pipe or best available ground 02 12 10 ILD1000A Local Desk Set Installation Connections Cable length limitations are imposed by power losses in the cable and stray noise pickup on the microphone line Cable length should be less than 1000 feet to maintain satisfactory performance To make the required line connections a cable with tinned bare leads stripped to about 1 4 inch 6 mm 15 necessary interface connections are made inside unit To open the housing remove the four screws In the corners on the back housing and lift off the top cover Desk sets powered by a wall transformer or base station power supply can be connected in parallel on a single cable Refer to the radio manual and schematics to locate connection points If they can not be located contact the manufacturer s technical support group Multiple cable tie points are not provided Power Connection Make the power connection to a 12 V dc source capable of supplying up to 0 5 A per desk set This may be obtained from a direct connection to the radio power supply NOTE Do not obtain power for the desk set from the radio accessory connector Damage to the radio may result As an option power can be supplied to the ILD1000A
17. e total cost of services provided hereunder Limitations Exclusions The warranty on any equipment supplied hereunder is subject to Customer s use in compliance with applicable FCC regulations and manufacturer specifications The warranties herein shall not apply to and GAI Tronics shall not be responsible for any damage to the goods or failure of the services supplied hereunder to the extent caused by accident misuse abuse neglect system design product modification failure to follow instructions contained in the product manual repair or attempted repair by anyone not authorized by GAI Tronics improper installation installation of parts that do not conform to the quality or specifications of the original parts or accessories damage or loss occurred during shipment or any unit which is not new when sold or upon which the serial number has been defaced modified or removed The warranty does not extend to damage incurred by natural causes including Force Majeure The warranty does not cover microprocessors if failure is due to static damage or application of improper voltage THE WARRANTIES AND REMEDIES CONTAINED HEREIN ARE IN LIEU OF AND EXCLUDE ALL OTHER WARRANTIES AND REMEDIES WHETHER EXPRESS OR IMPLIED BY OPERATION OF LAW OR OTHERWISE INCLUDING ANY WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Operational and Maintenance Procedures Buyer acknowledges that any improper use maintenance or modification of the equipme
18. ed repair prices and shipping instructions NOTE A purchase order or credit card number is required prior to processing non warranty repairs 1 02 12 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 Multiple parallel desk set support Enhanced productivity and system flexibility by connecting several desk sets to a single radio via a junction box Selectable parallel transmit audio Prevents feedback between desk sets in close proximity during mute transmit Selectable off hook monitor User can choose automatic monitor when handset is picked up Selectable local speaker User can turn on the local speaker when the handset is picked up Front panel audio mute unmute Allows user to mute receive audio on the fly Adjustable receive input and Allows flexibility with different radio systems and user transmit output level environments where radio output levels line losses and noise factors vary Full duplex capable Useful for full duplex and trunking radio systems with talk and listen only See page 8 for a description of full duplex operation Built in microphone and speaker Allows for handset free communication FCC Interference Warning The FCC req
19. ercom button is pressed the circuit consisting of U15b Q5 Q6 and Q7 gates microphone audio to the radio s TX audio port Radio receiver audio is input through differential amplifier U10d Intercom and transmit audio from parallel units is input through differential amplifier U10c During installation and POT2 are adjusted to ensure that the internal intercom and receive audio levels at test point TREF are approximately 800 Summed receiver and intercom audio 15 scaled through U10a fed to power amplifier U17 It is also gated through U15a to the handset earpiece POT3 adjusts the handset earpiece volume The handset earpiece is automatically disabled through Q4 whenever the handset PTT bar or Intercom button is pressed 15 02 12 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 the VOLUME Up Down button presses and provides control pulses to electronic pot U16 U16 provides a variable reference voltage into the divider resistors connected to U11 pin 10 Speaker muting voltage is also connected to this divider through R105 Ullc is connected with as a programmable current sink for U17 output gain adjustment A voltage higher than 60 millivolts dc at source and R110 results in mu
20. ground through 100k of resistance 7 When soldering be sure the soldering iron is grounded and has a grounded tip 8 Prior to connecting jumpers replacing circuit components or touching CMOS pins if this becomes necessary in the replacement of an integrated circuit device be sure to discharge any static build up as described in procedure 1 Since voltage differences can exist across the human body it is recommended that only one hand be used if it is necessary to touch pins on the CMOS device and associated board wiring 9 When replacing a CMOS integrated circuit device leave the device in its conductive rail container or conductive foam until it is to be inserted into the printed circuit module 10 All low impedance test equipment such as pulse generators etc should be connected to CMOS device inputs after power is applied to the CMOS circuitry Similarly such low impedance equipment should be disconnected before power is turned off 11 Replacement modules shipped separately from the factory will be packaged in a conductive material Any modules being transported from one area to another should be wrapped in a similar material aluminum foil may be used Never use non conductive material for packaging these modules 3 02 12 Foreword ILD1000A Local Desk Set Performance Specifications O OL A A Black PHYSICAL area 7 6 W x 6 3 L x 4 7 H inches MEPA
21. ications system analyzer 2 Talk into the handset and adjust the level of the TX audio level pot 4 on the main circuit board for an approximate 60 average level with peaks of 100 modulation 3 service monitor is not available use ac voltmeter to monitor the transmit level at the terminal strip screw terminals 4 and 5 for the audio level required by the radio station Refer to the radio manual for the audio level specifications 13 02 12 Installation ILD1000A Local Desk Set Line Receive Audio Input Level Adjustment The desk set can adapt to input levels ranging from 200 to 4 0 Vrms 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 1 Set the range by placing SWA 8 to where it most closely matches the available receive audio level Refer to the SWA Switch Settings Table on page 6 2 Apply an RF generator modulated by a 1 kHz tone at reference modulation level to the station receiver and adjust pot 1 on the main circuit board for a measured level of 800 mVpms at the TREF test point 3 Ifan RF generator is not available use an audio oscillator to apply a 1 kHz tone to the receive audio line at the nominal level expected from the radio 4 Adjust the RX audio level pot 1 for a measured level of 800 at TREF test point Intercom Audio Input Adjustment This audio level
22. is asserted when Disabled handset is taken off hook SWA 2 Latching MONITOR button Monitor output latches after Monitor output activated MONITOR press until PTT only for duration of button occurs press SWA 3 Parallel audio mute operation Mutes speaker audio while TX audio from parallel parallel desk set is transmitting desk set is heard in Handset is not muted speaker 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 PartNo Fuse Bussmann Type GMA 750 mA FB 4612 23570 00 Handset Black HANDSET BLACK PCBA Replacement LTL 69294 003 Speaker Assembly 61501 014 02 12 6 Operation Front Panel Button Operation VOLUME Up Down Buttons Press the VOLUME Up or VOLUME Down buttons to adjust the local speaker volume They are also used as programming function keys CTL Control Button The CTL button is used in conjunction with the VOLUME Up and Down buttons to manually control the local speaker Press and hold the CTL button and then press the VOLUME Up or VOLUME Down button IC Intercom Button Press the IC button to communicate between desk sets without transmitting over the radio When the IC button is pressed and held microphone audio is routed to the line without activating the radio transmitter Other parallel desk sets will hear the audio automatical
23. ly MONITOR Button Press the MONITOR button CTCSS CDCSS disable to place the radio in the monitor mode Press this button before making a call to verify a clear radio channel is available TRANSMIT Button Press the TRANSMIT button to place the desk set in the transmit mode and initiate voice transmissions With the handset on hook transmit audio is picked up from the internal microphone Receiving Calls Local Speaker When power is applied the desk set is in the receive mode allowing receive audio to be heard through the speaker or handset The desk set is always in receive mode unless the user presses the TRANSMIT or IC buttons The desk set contains an internal local speaker and a handset speaker which operate as follows e When the handset is in the cradle or on hook receive audio is heard on the local speaker e When the handset is off hook receive audio is routed to the handset Muting the Local Speaker Press CTL VOLUME Down to mute the local speaker The selected frequency button flashes to indicate that the speaker is muted Unmute the speaker by pressing VOLUME Up VOLUME Down or CTL VOLUME Up Press CTL VOLUME Up to enable the local speaker while the handset is off hook When the handset is placed back on hook the local speaker again operates normally that is it will be disabled whenever the handset is taken off hook 7 02 12 Operation ILD1000A Local Desk Set Initiating Calls Before initiati
24. nected to ground or return at the base station and NOT grounded at the desk set s Local Desk Set to MCS 2000 Radio Connection Chart TS1 Desk Set Wire Radio Pin Function Color Connector Pin Radio Function 7 s ferons a Grund NOTE All common ground connections should be made at the radio to prevent ground loops PIN 1 PIN 13 LA a ff too OO OO Cie OO 6 Oho lt lt J Figure 3 HLN6412 Connector Termination with Internal Jumpers Connecting Pins 1 2 and Pins 4 9 02 12 12 ILD1000A Local Desk Set Installation Local Desk Set to RPG Radio Connection Chart TS1 Desk Set Radio Pin Function Wire Color Connector Pin Radio Function DC power input Switched B when radio is on vo a u ET 7 ooa NOTE 1 The radio must be programmed to disable emergency functions from pin 9 2 Allcommon round connections should be made at the radio to prevent ground loops Figure 4 Settings and Adjustments The desk set housing must be open with the circuit board exposed These procedures assume that the base station has been properly adjusted Transmit Level Adjustment This level is factory set to provide 80 m Vnws into a 560 ohm load which is adequate for many applications If adjustment is needed perform the following steps 1 Monitor the station transmitter with an RF service monitor or commun
25. ng call press the MONITOR button to verify that the radio channel 15 clear To initiate a call press the TRANSMIT button or the handset push to talk PTT pressbar The TRANSMIT LED illuminates when transmitting Always allow a short delay before speaking to allow time for the radio channel to be established The TRANSMIT button or handset PTT bar must be held down while talking to the radio user and released to listen When the transmission is completed the TRANSMIT LED extinguishes and the desk set returns to the receive mode Handset Transmit Using the handset is recommended when the desk set is located in noisy surroundings Press the handset PTT bar or TRANSMIT button and speak into the handset microphone Transmit From Internal Microphone Use the internal microphone only in low noise environments The handset must be on hook for the internal microphone to operate Press the TRANSMIT button and speak in the direction of the internal microphone 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 TRANSMIT button 02 12 8 Installation Planning the Installation JUNCTION BOX XLDOOOTA AUDIO RX AUDIO RADIO lame MONITOR
26. nitor 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 This indication is used to light the MONITOR LED through U3d and Q2 PTT is asserted by the microcontroller through Q12 and associated components The circuit consisting of Q13 U3f and associated components provides indication that the PTT function is asserted whether by this desk set or a parallel connected device This indication is used to light the TRANSMIT LED through U3c and Q1 Also this indication is input to the microcontroller to allow tracking the status of parallel units Comparator U4a outputs a logic low when the handset is taken off hook This logic signal selects either the handset or internal microphone and it is input to the microcontroller where it is examined it to determine proper speaker handling Comparator U4b outputs a logic high when the handset PTT bar is depressed This signal is ORed with the TRANSMIT button to allow it to be read by the microcontroller Audio Circuits Audio from the internal microphone or handset microphone is amplified by U12b and scaled to the required level by U12a POT4 is adjusted during installation to ensure that the level presented to the TX audio port is correct for the associated radio Whenever PTT is asserted or the Int
27. nt provided hereunder or use of unqualified maintenance or service technicians will severely impair the operational effectiveness of the entire communication system Buyer hereby agrees to indemnify defend and hold GAI Tronics harmless from and against any and all third party claims arising in any manner out of a Buyer s neglect of the equipment b Buyer s use of technicians not authorized by GAI Tronics to service the equipment or c Buyer s improper use or modification of the equipment or failure to follow the operational and maintenance procedures provided with the equipment Limitation of Liability Damages In no event even should circumstances cause the exclusive warranties and remedies set forth in the Warranty section to fail of their essential purpose shall either party be liable for any indirect incidental special or consequential damages including but not limited to loss of use loss of anticipated profits or damages arising from delay whether such claims are alleged to have arisen out of breach of warranty breach of contract strict or absolute liability in tort or other act error or omission or from any other cause whatsoever or any combination of the foregoing 02 12 Publication 43004 007C i Table of Contents FOREWORD S Q u 1 SCOP OR MANU uapa nama s kaa sua cc tte noeud ten net nn u suni 1 NOMENCLATURE aaa hu
28. o level is set incorrectly distorted See Line Receive Audio Input Level Adjustment section of this manual Ensure that the audio from the station receiver is not distorted Ensure that the audio level from the station receiver is less than 4 but greater than 200 mVems There is continuous hum in Ensure that the audio return is not grounded at one of the desk sets and is the TX or RX audio connected to the radio base station The SWA switches on the main circuit board are not set properly Refer to SWA Switch Setting table on page 6 in the Description section of this manual 17 02 12 Troubleshooting ILD1000A Local Desk Set Fuse Replacement CAUTION For continued safe operation replace fuses with same type Fi isa Bussmann 750mA fuse 02 12 18 Main Circuit Board 02 12 Main Circuit Board ILD1000A Local Desk Set IH 12 f YidId reve 0A grg 9903 SC 022 D N A IddNS SON 2121212 r SJH LIMS 31n8lIdllb AGND D R136 9 R95 t GND 49 0 D aC BE SOCKET EEE au 5 R4 IS TX AUDIO 5 5 1 R165 21 o 2 S ets es RE 4041 8051
29. s two buttons imprinted with up and down arrows and labeled VOLUME They GAI TRONICS used to increase decrease the local speaker volume and as programming function keys CTL Control Button The CTL button is used in conjunction with the VOLUME Up VOLUME Down buttons to viia control the local speaker cTL Ic IC Intercom Button MONITOR The IC button allows communication between RENE desk set users without transmission over the radio Monitor Button The MONITOR button 15 used to place the radio in the monitor mode Figure 1 Front View of the ILD1000A Transmit Button and LED Desk Set Button Panel The TRANSMIT button is used to initiate voice transmissions Pressing the TRANSMIT button places the desk set in the transmit mode The TRANSMIT LED illuminates when transmitting Internal Microphone This microphone is intended for use in low noise environments The handset must be on hook in order to use the microphone 5 02 12 Description ILD1000A Local Desk Set Handset The desk set is equipped with a handset with a coil cord used for receiving and transmitting calls The handset includes a push to talk PTT pressbar Personality Programming Switch SWA Refer to the Main Circuit Board diagram at the end of this manual for the location of the Personality Programming SWA switch SWA Switch Settings Table SWA 1 Automatic Off hook Monitor Monitor
30. ting the speaker Less than 1 millivolt dc results in full output Power Supplies The power supplies for the low tier desk set operate in the linear series pass mode Programmable zener U21 serves as reference for the 5 V digital and analog power supplies The reference voltage is 5 00 V dc 0 1 V dc measured at U21 1 Op amp U13b controls the series pass element Q21 to provide 5 V dc at the 5 VD source point at C55 C56 The 5 VA supply is low current and is fully implemented by U13a The VOS power supply used to power the op amp rails 15 regulated to be approximately 11 2 volts The voltage level of the VOS supply is approximately 1 2 volts above the 10 V nominal CMOS switch power supply The reference for VOS is the 5 VD output The divided output sample through R133 R134 Q24 and R135 is compared to the reference at Q23 which serves as the control element for the series pass transistor Q22 02 12 16 Troubleshooting Troubleshooting the ILD1000A Basic Local Desk Set The following 15 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 Ensure that the collector emitter junction of Q12 is not open The radio is keyed Collector emitter junction of Q12 or D19 is shorted constantly while the desk set is connected RX audio is low or Either the RX level pot or SWA 8 for RX audi
31. uires that manuals pertaining to Class A and Class B computing devices must contain warnings about possible interference with local residential radio and TV reception This warning reads as follows NOTE This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area 15 likely to cause harmful interference in which case the user will be required to correct the interference at his own expense 02 12 2 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 Even though protection devices are provided in CMOS integrated circuit inputs the protection 15 effective only against overvoltage in hundreds of volts r
32. uotation or proposal document If a Seller s goods prove to be defective in workmanship and or material under normal and proper usage or unfit for the purpose specified and agreed upon and b Buyer s claim is made within the warranty period set forth above Buyer may return such goods to GAI Tronics nearest depot repair facility freight prepaid at which time they will be repaired or replaced at Seller s option without charge to Buyer Repair or replacement shall be Buyer s sole and exclusive remedy and the warranty period on any repaired or replacement equipment shall be one 1 year from the date the original equipment was shipped In no event shall GAI Tronics warranty obligations with respect to equipment exceed 100 of the total cost of the equipment supplied hereunder The applicability of any such third party warranty will be determined solely by GAI Tronics Services Any services GAI Tronics provides hereunder whether directly or through subcontractors shall be performed in accordance with the standard of care with which such services are normally provided in the industry If the services fail to meet the applicable industry standard GAI Tronics will for a period of one 1 year from the date of completion re perform such services at no cost to the Buyer Re performance of services shall be Buyer s sole and exclusive remedy and in no event shall GAI Tronics warranty obligations with respect to services exceed 100 of th
33. y s sh uuu ee 1 ORDERING REPLACEMENT PARTS inertie lie PS P tPS r 1 SERVICE AND REPAIR a es seen y cama a Bus hipa sya uha ay aha 1 FEATURES AND BENEFITS OF THE ILD1000A LOCAL DESK SET issus 2 ECO INTERFERENCE WARNING Z S aaa A uA ay dd SR ya Gq se a D 2 SAFE HANDLING OF CMOS INTEGRATED CIRCUIT DEVICES r 3 PERFORMANCE SPECIFICATIONSI aS yuyu cecal ek 4 DESCRIPTION Z E l y u G Uu G ea 5 PHYSIGAT DESCRIPTIONS u ask D Sau bita dt de dr 5 DESK SET BUTTON PANEL Suede ina utu umanay ana Ode 5 Volume BUUON S ennemi one ky aysa qu 5 CTE Control Button se Qa dira tdi ses 5 IG Intercom nait 5 een 5 Transmit Button and LED a a 5 INTERNAL MICROPHONE J ug de die a de tide sp Saa A 5 i 6 PERSO
Download Pdf Manuals
Related Search