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EVX-S24 UHF Digital/Analog Transceiver Service Manual

17

Alignment

D

OWNLOAD

(S

AVE

)

THE

A

LIGNMENT

D

ATA

AND

E

XIT

FROM

THE

A

LIGNMENT

M

ODE

Press the “OK” button, then the Alignment Data will be
downloaded (saved) to the transceiver and Exit from the
Alignment Mode.



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Summary of Contents for EVX-S24

Page 1: ...nment of this transceiver to be performed without opening the case of the radio all adjustments can be performed from the front panel using the Alignment Mode menu While we believe the information in this manual to be correct Vertex Standard assumes no li ability for damage that may occur as a result of typographical or other errors that may be present Your cooperation in pointing out any inconsis...

Page 2: ...a Impedance 50 Ohm unbalanced Dimension W x H x D 2 1 x 3 6 x 1 2 inches 55 x 91 x 31 5 mm Weight Approx 7 6 oz 215g with Battery Antenna Belt Clip Receiver Measured by TIA EIA 603 Circuit Type Direct Conversion Sensitivity 0 28 μV Digital 1 BER 0 25 μV Analog 12 dB SINAD Adjacent Channel Selectivity 70 dB 25 kHz 60 dB 12 5 kHz Hum and Noise 45 dB 25 kHz 40 dB 12 5 kHz Intermodulation 70 dB Spurio...

Page 3: ... Ohm unbalanced Dimension W x H x D 55 x 91 x 31 5 mm Weight Approx 215g with Battery Antenna Belt Clip Receiver Measured by EN 300 086 Circuit Type Direct Conversion Sensitivity 0 28 μV Digital 1 BER 0 4 μV Analog 20 dB SINAD Adjacent Channel Selectivity 70 dB 25 kHz 60 dB 12 5 kHz Hum and Noise 45 dB 25 kHz 40 dB 12 5 kHz Intermodulation 65 dB Spurious Image Rejection 70 dB Conducted Spurious 57...

Page 4: ...X13NI x 2 pcs Y RECESS SCREW M2X16 5NI x 2 pcs DISPLAY UNIT ASSY BLK CB7125000 DISPLAY UNIT ASSY YEL CB7129000 MAIN UNIT ASSY CB7124000 CHASSIS ASSY CB7121000 THERMAL CONDUCTIVE PAD CHG RA1640600 SHEET 6X6 RA037690B x 2 pcs LID USB RA1634200 BUSH RA125090A KNOB VOL RA1634600 RUBBER CAP JACK RA1634500 O RING 4 8X1 9 RA1037400 LIGHT GUIDE TX RX RA1632300 O RING SCREW RA1639400 x 2 pcs SHEET MICROTEX...

Page 5: ... CAP JACK RA1634500 BUSH RA125090A ELECTRICAL PARTS WIRE ASSY FR027890B MAIN UNIT ASSY CB7124000 F 1001 CHIP FUSE 3 15A 36V FHC16 322ADTP Q0000118 F 1002 CHIP FUSE 2A 36V FCC16 202ADTP Q0000147 F 1003 CHIP FUSE 2A 36V FCC16 202ADTP Q0000147 J 1003 CONNECTOR ZX62D B 5PA8 30 P1091565 J 1005 CONNECTOR 03 A70G0 36BKA P1091581 Q 1016 FET RD04LUS2 T212 G3070525 S 1001 TACT SWITCH EVQP42B3M N5090176 S 10...

Page 6: ...Block Diagram EVX S24 UHF Digital Analog Transceiver Service Manual 6 ...

Page 7: ...Block Diagram EVX S24 UHF Digital Analog Transceiver Service Manual 7 ...

Page 8: ...t Power Control The current detector Q1006 1 AD8566ARM detects the current of the final amplifier Q1016 RD04LUS2 and the driver amplifier Q1026 RD01MUS2B and converts the current difference to the voltage difference The output from the current detector Q1006 1 AD8566ARM is compared with the reference voltage and amplified by the power control amplifier Q1006 2 AD8566ARM The output from the power c...

Page 9: ...t use is necessary for complete realign ment Correction of problems caused by misalignment resulting from use of improper test equipment is not covered under the warranty policy While most steps do not require all of the equipment listed the interactions of some adjustments may require that more complex adjust ments be performed afterwards Do not attempt to perform only a single step unless it is ...

Page 10: ...n the Alignment Mode the aligned data written in the radio will be able to re align its alignment data The value of each parameter can be changed to desired position by arrow key for data up down arrow key for channel up down direct number input and drag the mouse Note when all items are aligned it is strongly recom mended to align according to following order The detail information is written in ...

Page 11: ...mation of the VCO status Alignment 2 PLL REFERENCE FREQUENCY FREQUENCY This parameter is to align the reference frequency for PLL 1 Click the Frequency button to open the Frequency Alignment window 2 Click the PTT button or press the SPACE bar of the computer s keyboard the radio will start to transmit on the center frequency channel 3 Set the value to get the desired frequency according to the fo...

Page 12: ...to the following ways Dragging the slide bar Clicking the arrow buttons Pressing the left right arrow key of the computer s keyboard Entering the value 000 3FF in the Current Data box from the computer s keyboard 4 After getting the desired output power click the PTT button or press the SPACE bar to stop transmitting 5 Click the OK button to finish the TX Power alignment and save the data You may ...

Page 13: ...board Entering the value 0000 FFFF in the entry box from the computer s keyboard 4 After getting the desired deviation click the PTT but ton or press the SPACE bar to stop transmitting 5 Click the OK button to finish the Max Deviation alignment and save the data 1 You may align the deviation level by any modulation frequency default 1000 Hz by changing the value of the Freq box located at the bott...

Page 14: ...as needed Basic Low edge band center high edge and se lect the channel for alignment Default Single Alignment value changes only on the selected channel All Freq Alignment value changes on all channels Alignment CTCSS DEVIATION WIDE NARROW This parameter is to align CTCSS Deviation of the selected channel 1 Press the CTCSS W N button to open the CTCSS Deviation Alignment window 2 Click the PTT but...

Page 15: ...e deviation level by any DCS code default 532 by changing the value of the DCS Code box located at the bottom of the screen if needed Alignment DTMF DEVIATION This parameter is to align DTMF Deviation 1 Press the DTMF button to open the DTMF Deviation Alignment window 2 Click the PTT button or press the SPACE bar of the computer s keyboard to transmit the radio 3 Set the value to get desired devia...

Page 16: ...he ANI operation of the MDC1200 System 1 Press the MSK button to open the MSK Deviation Alignment window 2 Click the PTT button or press the SPACE bar of the computer s keyboard to transmit the radio 3 Set the value to get desired deviation Nominal 3 0 kHz on the deviation meter according to the following ways Dragging the slide bar Clicking the arrow buttons Pressing the left right arrow key of t...

Page 17: ... Transceiver Service Manual 17 Alignment DOWNLOAD SAVE THE ALIGNMENT DATA AND EXIT FROM THE ALIGNMENT MODE Press the OK button then the Alignment Data will be downloaded saved to the transceiver and Exit from the Alignment Mode ...

Page 18: ...Main Unit FR028210D EVX S24 UHF Digital Analog Transceiver Service Manual 18 Circuit Diagram RF Section ...

Page 19: ...Main Unit FR028210D EVX S24 UHF Digital Analog Transceiver Service Manual 19 Circuit Diagram CONTROL Section ...

Page 20: ...Display Unit FR028310A EVX S24 UHF Digital Analog Transceiver Service Manual 20 Circuit Diagram ...

Page 21: ...ortion of this manual may be reproduced without the per mission of Vertex Standard LMR Inc Vertex Standard is a trademark of Vertex Standard LMR Inc All other trademarks are the property of their respective owners 2016 Vertex Standard LMR Inc All rights reserved ...

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