Shure SLX2 Service Manual Download

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25A1090 (Rev.3)

P4: 702.000 - 726.000 MHZ

P4: 702.000 - 726.000 MHZ CONTINUED

Preprogrammed frequencies in total:
148

Group 1

Group 2

Group 3

Group 4

Group 5

Group 6

Group 7

Group 8

Group 9

702.200

703.750

703.650

702.750

703.750

702.100

704.775

702.300

703.000

704.200

705.975

705.650

704.500

705.750

704.025

706.225

704.975

706.025

707.200

708.650

705.750

708.250

705.500

710.500

706.775

708.000

709.425

708.850

710.875

708.250

711.750

708.500

712.025

709.100

710.300

711.000

710.950

712.450

711.250

714.500

710.100

714.225

710.300

712.225

713.675

712.425

715.125

712.500

715.750

712.025

716.900

712.225

716.000

715.575

714.325

717.025

715.250

718.750

713.500

718.500

714.775

717.100

717.050

717.000

718.500

718.750

721.250

717.300

720.775

716.700

719.000

719.150

718.575

720.600

721.250

722.500

725.300

724.000

720.225

720.800

722.250

723.250

724.250

725.900

722.775

722.025

723.800

723.475

724.700

724.250

725.800

725.700

Explanation
of group
content

Full Range
max. # 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 Group A
(option 2)

France
preferred:
User Group B
(option 1)

France
preferred:
User Group B
(option 2)

France
preferred:
User Group C
(option 1)

France
preferred:
User Group C
(option 2)

Group 10

Group 11

Group 12

Group 13

Group 14

Group 15

Group 16

702.200

710.200

718.200

702.550

702.100

702.700

702.500

703.300

711.300

719.300

705.600

704.700

705.500

704.700

712.700

720.700

707.500

710.300

709.450

707.000

705.800

713.800

721.800

709.000

712.400

711.500

712.200

707.675

715.675

723.675

711.500

714.000

714.500

714.100

708.775

716.775

715.100

716.500

716.550

716.400

717.000

719.400

719.900

719.500

720.000

721.300

722.000

722.200

723.500

724.700

725.900

Explanation of
group content

Optimized TV
channels: TV ch.
50 702-710 MHz

Optimized TV
channels: TV ch.
51 710-718 MHz

Optimized TV
channels: TV ch.
52 718-724 MHz

Compatible setup
for use with
PSM400-P3 (P4 >
P3)

Compatible setup
for use with
PSM400-P3 (P4 =
P3)

Compatible setup
for use with
PSM400-HF (P4 >
HF)

Compatible setup
for use with
PSM400-HF (P4 =
HF)

Summary of Contents for SLX2

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 25: ...25 25A1090 Rev 3 NOTES...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

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