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25A1090 (Rev.3)

SLX2 PRINTED CIRCUIT BOARD ASSEMBLY - SLX2

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Содержание SLX2

Страница 1: ...stems per SKU in the U S Additionally a minimum of 12 compatible systems in the top 50 U S markets across all three domestic SKU s H5 J3 and L4 3 Operating frequency programmable locally or from the r...

Страница 2: ...unmute 5 Select switch 6 IR port Receives infrared beam to synchronize frequencies When using multiple systems only one transmitter IR port should be exposed at a time Adjusting Gain Access the gain...

Страница 3: ...ttings cannot be changed manually Locking the transmitter does not disable in frared synchronization Battery Status Indicates charge remaining in transmitter batteries Master List Indicator Indicates...

Страница 4: ...1 which converts it to a DC voltage A 1 dB increase at the input to the detector produces a 6 mV increase at its output The detector output is fed to the compression threshold stage IC150 2 This stag...

Страница 5: ...ery shutdown routine allows the battery supply to run down to 2 05 V before shutdown and will not turn the system back on until a voltage greater than 2 25 V is present The hysteresis keeps the system...

Страница 6: ...B units Coupling capacitor C610 is used to ensure that both batteries are driven equally The transmitter is capable of delivering up to 15 0 dBm to the antenna depending on band and country During tra...

Страница 7: ...ntroller in a RF band They de termine the voltage at test point TP_RFBAND This table shows RA s and RB s reference designators and how the voltages at the test points reflect the operating RF band Thi...

Страница 8: ...2 30 Volts If the transmitter is powered on with a voltage of less than 2 30 Volts the system will lock forcing the user to either recharge or replace the batteries During the dead battery lock out th...

Страница 9: ...9 25A1090 Rev 3 NOTES...

Страница 10: ...T 1 Power unit ON 2 Verify that all display segments are displayed for approximately 2 seconds This includes a full bat tery indication and 1818 displayed for group and channel REVERSE BATTERY PROTECT...

Страница 11: ...long the UA820 antenna until you find a maximum peak 3 Do a peak search and measure the power to be at least 2 dBm for H5 J3 L4 and P4 bands and at least 0 dBm for Q4 R5 JB and S6 bands 4 Set SPAN to...

Страница 12: ...5 Contact 53F2039A 0006 Frame internal 65B8467 0007 Retaining ring 30A1314 0008 bezel painted printed 65A8475B 0009 Pushbutton actuator silicone 66A8070 0010 Battery cup painted 65BA8451 0012 Shield c...

Страница 13: ...rent meanings Spectrum analyzer or power meter HP8591E Agilent E4403B Agilent E4407B Digital multimeter Fluke 87 Audio Analyzer HP 8903B RF Signal Generator HP 8656B or HP E4400B Frequency Counter HP...

Страница 14: ...test cable PT1824 to the node between L606 and L641 and the shield to ground 6 Connect the audio generator output to the Mic Test Head input of the transmitter as required 7 Turn on the SLX2 by pressi...

Страница 15: ...cy 5 Using a power meter or spectrum analyzer verify the output power matches the range indicated in the table below JB models can be adjusted at TR640 6 Remove the BNC to unterminated test cable PT18...

Страница 16: ...e SLX2 and power up the unit 4 Set the audio analyzer frequency to 1kHz 5 Adjust the audio analyzer amplitude level typically 6 5 dBu to obtain 13 dBu 0 1dB at TPA1 This corresponds to 9 dBu 2dB at th...

Страница 17: ...17 25A1090 Rev 3 NOTES...

Страница 18: ...nge max of frequencies for CH 23 option 1 Full Range max of frequencies for CH 24 option 1 Full Range max of frequencies for CH 25 option 1 Preprogrammed frequencies in total 120 Group 1 Group 2 Group...

Страница 19: ...p 6 1 638 400 639 250 638 200 639 775 639 100 638 425 2 641 500 640 500 639 675 642 500 641 225 640 400 3 643 575 642 225 640 800 644 200 642 550 643 425 4 645 050 644 725 642 450 645 600 644 575 645...

Страница 20: ...of compatible frequencies option 1 Full Range max of compatible freque cies option 2 Full Range max of compatible frequencies option 3 France preferred User Group A option 1 France preferred User Grou...

Страница 21: ...5 675 744 325 743 075 5 746 325 747 400 745 425 745 125 6 748 500 748 625 746 875 746 575 7 750 050 750 500 748 925 747 675 8 751 875 751 875 750 175 749 075 9 751 200 750 775 10 751 875 751 875 Expla...

Страница 22: ...cies FIN NOR DEN option 2 Full Range max of comp Frequencies FIN NOR DEN option 3 Germany preferred User Group 4 800 814 MHz option 1 Germany preferred User Group 4 800 814 MHz option 2 Sweden preferr...

Страница 23: ...h 69 854 862 MHz U K preferred CH69 Co ordinated SET 1 U K preferred CH69 Co ordinated SET 2 or SET 3 U K preferred Co ordinated frequencies INDOORS U K preferred Co ordinated frequencies OUTDOORS opt...

Страница 24: ...erating Frequency S6 838 100 to 864 900 MHz Operating Frequency JB 806 125 to 809 750 MHz Number of User Selectable Channels See frequency table Type of Emission 120KF3E Oscillator PLL controlled synt...

Страница 25: ...25 25A1090 Rev 3 NOTES...

Страница 26: ...armonic Distortion ref 38 kHz deviation 1 kHz tone 0 5 typical Signal to Noise Ratio 100 dB A weighted Operating Temperature Range 18 C 0 F to 50 C 122 F Note battery characteristics may limit this ra...

Страница 27: ...g Units must operate per Sec tion V specifications Steady State Humidity Perform a 10 day test at 90 RH at room temperature Evaluate units for visual and mechan ical defects after 1 3 5 7 and 10 days...

Страница 28: ...transmitter is set at the low est channel in the group If the voltage is not tunable into the 1 1 1 4 V window but can be tuned to a lower or higher voltage this means the VCO might be built for the w...

Страница 29: ...first thing that needs to be checked is if the microcontroller is running its soft ware If you see numbers or only fragments of numbers on the display after the unit has powered up the microcontroller...

Страница 30: ...ne key is turned on You will see a square wave Vpp 5V f0 32768Hz at microcontroller pin 18 TONEKEY_SQUARE If these stages can be captured with the scope the microcontroller did its part to let audio g...

Страница 31: ...H5 554 590 MHz U S A and CANADA 200H510304 J3 572 596 MHz U S A and CANADA 200J310304 L4 638 662 MHz U S A and CANADA 200L410304 P4 702 726 MHz EUROPE CHINA 200P410304 Q4 740 752 MHz KOREA 200Q410304...

Страница 32: ...ight Holder 65A8452 IC100 28 Pin QSOP Compander THAT4320 188A568 IC370 1K Microwire EEPROM 93AA46AT I OT 188A577 IC350 Segment Type LED Driver 188A506 IC430 3 3V CMOS LDO Regulator SP6213EC5 188A590 Q...

Страница 33: ...188H585B Frequency Code H5 J3 L4 P4 Q4 R5 S6 JB C506 150pF 68pF 68pF 68pF 68pF 68pF 68pF 68pF C522 6 8pF 5 6pF 4 7pF 3 9pF 3 9pF 3 3pF 3 3pF 3 3pF C523 3 3pF 3 9pF 2 7pF 2 2pF 3 9pF 2 2pF 2 2pF 2 2pF...

Страница 34: ...15nH 8 2nH 12nH DNP 8 2nH 8 2nH 12nH 8 2nH L640 DNP DNP DNP DNP DNP DNP DNP 12nH L641 6 8nH 8 2nH 10nH 1 2nH 12nH 12nH 12nH DNP R1 1K DNP DNP DNP DNP DNP DNP DNP R2 DNP 1K DNP DNP DNP DNP DNP DNP R20...

Страница 35: ...35 25A1090 Rev 3 SLX2 PRINTED CIRCUIT BOARD ASSEMBLY SLX2 TOP VIEW BOTTOM VIEW...

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