GAI-Tronics IDR1000A User And Installation Manual Download Page 29 | Manualshive

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Schematics

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Summary of Contents for IDR1000A

Page 1: ...ve Mohnton PA 19540 USA 610 777 1374 800 492 1212 Fax 610 796 5954 VISIT WWW GAI TRONICS COM FOR PRODUCT LITERATURE AND MANUALS 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...

Page 2: ...t shall GAI Tronics warranty obligations with respect to services exceed 100 of the total cost of services provided hereunder Limitations Exclusions The warranty on any equipment supplied hereunder is...

Page 3: ...ntercom Button 6 Monitor Button 6 Transmit Button and LED 6 INTERNAL MICROPHONE 7 HANDSET 7 PROGRAMMING SWITCHES 7 SWA Switch Settings 7 ACCESSORIES 8 FIELD REPLACEMENT ITEMS 8 OPERATION 9 OPERATIONAL...

Page 4: ...Level Adjustment 15 Remote Adjustment 15 Line Output Adjustment 15 Handset Earpiece Volume Adjustment 15 PROGRAMMING 16 DC Current Magnitude Table 17 PROGRAMMING MODE 18 DESK SET REASSEMBLY 18 THEORY...

Page 5: ...he 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 p...

Page 6: ...vironments where radio output levels line losses and noise factors vary Receive and transmit compression Automatically normalizes varying input and output levels caused by system factors FCC Interfere...

Page 7: ...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 Al...

Page 8: ...hms Frequency response 3 dB from 300 3000 Hz Hum and noise Less than 45 dB below rated outputs Audio output to speakers 1 watt minimum with level in compression range Audio distortion Less than 3 THD...

Page 9: ...e and are received The desk set uses private leased telephone lines or customer owned metallic pairs that are capable of supporting dc control currents The unit can be placed on a flat surface or wall...

Page 10: ...down arrows They are used to increase and decrease the local speaker volume and as programming function keys ControlButton The CTL button is used in conjunction with the VOLUME Up or VOLUME Down butt...

Page 11: ...ke effect Switch Determines On Off SWA 1 Not used N A N A SWA 2 Frequency change commands on PTT only Pressing the frequency button does not immediately change the station frequency It changes only af...

Page 12: ...4B These accessories require the use of the XAAB002A Audio Accessory Box Field Replacement Items Description Part No PTT Handset with Cord Black HANDSET BLACK Replacement Power Supply 120 V ac 12 V dc...

Page 13: ...t the local speaker volume Mute the local speaker by pressing the CTL and VOLUME Down buttons simultaneously The selected frequency button flashes to indicate that the speaker is muted Unmute the spea...

Page 14: ...released to listen When the transmission is completed the TRANSMIT LED extinguishes and the desk set returns to the receive mode Receiving Calls When power is first applied the desk set is in the rece...

Page 15: ...nstall 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 devi...

Page 16: ...a continuous and firmly fixed nonconductor such as porcelain tubes or flexible tubing in addition to the insulation on the wire Communications cables and in building wiring should be listed and marke...

Page 17: ...k position on the main circuit board labeled LINE 1 See the terminal block table above Several desk sets can be connected in parallel The maximum loss between any two desk sets or between a desk set a...

Page 18: ...vice and is exempt from FCC Part 68 registration Ref FCC Form 730 Application Guide pages 1 5 For two wire operation 2000 Series lines may be used with or without conditioning C1 or C2 conditioning is...

Page 19: ...onnect the handset from the desk set 2 Apply a 1000 Hz signal into the handset mic terminals red handset mic black ground 3 Press the TRANSMIT button and adjust the line output level control pot 4 unt...

Page 20: ...hen disable access to programming functions When disabled users can not accidentally change parameters F1 through F4 are set at the factory to the following currents F1 5 5 mA F3 5 5 mA F2 12 5 mA F4...

Page 21: ...Off On Off Off On 4 5 mA Off On Off On Off 5 0 mA Off On Off On On 5 5 mA Off On On Off Off 6 0 mA Off On On Off On 6 5 mA Off On On On Off 7 0 mA Off On On On On 7 5 mA On Off Off Off Off 8 0 mA On...

Page 22: ...adjust F1 F2 F3 F4 dc current CTL F1 or F2 or F3 or F4 Increase current magnitude then VOLUME Up Decrease current magnitude then VOLUME Down Toggle current polarity then IC Save current magnitude the...

Page 23: ...ively high ac value by T2 and rectified by D21 D23 and filtered by C86 to the level required for the line current into the wire line connected to the desk set Q19 a power MOSFET is driven by U22 a pul...

Page 24: ...precise control voltage connected to pin 5 of U15 The microcontroller examines the VOLUME Up and VOLUME Down button presses and provides control pulses to electronic pot U9 U9 provides a variable ref...

Page 25: ...manual Ensure that the desk set s output level is set properly and that the DCLOTL is set in a range of 5 mA to 14 mA into the telephone line RX audio is low or distorted Ensure that the dc adapter is...

Page 26: ...station manual Low TX audio Verify that the desk set s transmit output level is properly set and ensure that there is no more than 20 dB loss in the private or leased line which can cause degradation...

Page 27: ...23 02 12 Main Circuit Board...

Page 28: ...Main Circuit Board IDR1000A DC Remote Desk Set User and Installation Manual 24...

Page 29: ...25 02 12 Schematics...

Page 30: ...Schematics IDR1000A DC Remote Desk Set User and Installation Manual 26 IDR1000A Microprocessor Section Schematic Sheet 1...

Page 31: ...IDR1000A DC Remote Desk Set User and Installation Manual Schematics 27 IDR1000A I O Section Schematic Sheet 2...

Page 32: ...Schematics IDR1000A DC Remote Desk Set User and Installation Manual 28 IDR1000A DC Control Schematic Diagram Sheet 3...

Page 33: ...IDR1000A DC Remote Desk Set User and Installation Manual Schematics 29 IDR1000A Audio Section Schematic Diagram 1 of 2 Sheet 4...

Page 34: ...Schematics IDR1000A DC Remote Desk Set User and Installation Manual 30 IDR1000A Audio Section Schematic Diagram 2 of 2 Sheet 5...

Page 35: ...IDR1000A DC Remote Desk Set User and Installation Manual Schematics 31 IDR1000A Power Supply Schematic Sheet 6...

Page 36: ...Schematics IDR1000A DC Remote Desk Set User and Installation Manual 32 Notes...

Page 37: ...o 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 38: ...Notes IDR1000A DC Remote Desk Set User and Installation Manual 34...

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