Vertex Standard VXA-200 Service Manual Download Page 5 | Manualshive

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Summary of Contents for VXA-200

Page 1: ...n in pointing out any inconsistencies in the technical information would be appreciated 2006 VERTEX STANDARD CO LTD EC072N90A Contents Specifications 2 Exploded View Miscellaneous Parts 3 Block Diagram 5 Circuit Description 7 Alignment 9 MAIN Unit Circuit Diagram 13 MAIN Unit Parts Layout 15 MAIN Unit Parts List 17 Important Note This transceiver was assembled using Pb lead free solder based on th...

Page 2: ...t approx 12 7 oz 360 grams with FNB 83 antenna and belt clip Receiver Circuit Type Double conversion superheterodyne IFs 47 25 MHz 450 kHz Sensitivity AM Better than 0 8 μV for 6 dB S N with 1 kHz 30 modulation FM Better than 0 4 μV for 12 dB SINAD Selectivity More than 8 kHz 6 dB Adjacent CH Selectivity Less than 25 kHz 60 dB AF Output Internal speaker 0 7 W 16 Ohms 10 THD Transmitter Power Outpu...

Page 3: ...TERMINAL PLATE ELEC COND TAPE O RING PAN HEAD SCREW M2X3NI 1 RA035160A TERMINAL PLATE RA008890A O RING RA0723400 TERMINAL PLATE IS RA010340B TERMINAL HOLDER AAE04X001 BELT CLIP ASSY w SEMS SCREW SM2 6X6SUS B RA0844000 O RING DESCRIPTION SEMS SCREW SM2 6X6SUS B PAN HEAD SCREW M2X3NI 1 BIND HEAD TAPTITE BM2X10NI PAN HEAD TAPTITE B M2X4NI 3 TAPTITE SCREW 2X3 5 CAP REF c d e f g VXSTD P N U02206027 U0...

Page 4: ...4 Exploded View Miscellaneous Parts ...

Page 5: ...5 Block Diagram ...

Page 6: ...6 Block Diagram Note ...

Page 7: ...2PWR When impulse noise received a portion of the AM detector output signal from the AM FM IF subsystem Q1039 TK10931 including pulse noise is rectified by D1019 1SS400 The resulting DC is applied to the ANL MUTE gate Q1022 UMG2N thus reducing the pulse noises The processed audio signal from Q1019 1 LM2902PWR is passed through the amplifier Q1019 2 LM2902PWR to the volume control IC Q1029 M62364FP...

Page 8: ...t Description serial dividing data from the microprocessor Q1015 LC87F7BC8A which causes the pre divided VCO sig nal to be further divided in the programmable divider section depending upon the desired receive frequency so as to produce a 5 kHz derivative of the current VCO frequency Meanwhile the reference divider section of Q1025 MB15A01PFV1 divides the 11 7 MHz crystal reference from the refere...

Page 9: ...x ad justments be performed afterwards Do not attempt to perform only a signal step unless it is clearly isolated elec trically from all other steps Have all test equipment ready before beginning and follow all of the steps in a section in the order presented Correction of problems caused by misalignment result ing from use of improper test equipment is not covered under the warranty policy Requir...

Page 10: ...microphone input con firm the RF output power is 1 5 Watts If not 1 press the ENT key momentarily 2 rotate the DIAL selector knob clockwise increase the power or counter clockwise decrease the power 3 press the ENT key again 4 confirm the RF output power Repeat above steps 1 4 so that the RF output power is 1 5 Watts Turn the transceiver off TX AM Modulation Adjustment Connect the Radio Tester to ...

Page 11: ...eiver on to enter the alignment mode Rotate the DIAL selector knob to select FMTH xx FMTH xx FMTH xx FMTH xx FMTH xx Press the ENT key twice Turn the transceiver off AM Squelch Tight Adjustment Connect the Radio Tester to the antenna jack then adjust the output level to 10 dBμ with a standard AM modulation 30 AM modulation 1 kHz at 128 000 MHz Set the transceiver to 128 000 MHz and turn the trans ...

Page 12: ...12 Alignment ...

Page 13: ... 0 V TX 1 85 V RX 7 74 V TX 7 32 V RX 0 V TX 2 31 V RX 0 V TX 1 02 V RX 0 V TX 0 85 V RX 2 01 V TX 0 02 V RX 1 63 V TX 0 02 V RX 4 04 V TX 0 05 V RX 1 14 V TX 1 14 V RX 4 09 V TX 0 05 V RX 1 92 V TX 0 02 V RX 1 46 V TX 0 02 V 0 49 V RX 4 46 V TX 0 05 V RX 4 36 V TX 0 05 V RX 0 54 V TX 0 05 V RX 4 49 V TX 0 05 V RX 1 82 V TX 0 V 0 V ANL OFF 0 V ANL ON 3 49 V TX 0 V RX 1 84 V TX 0 V RX 1 83 V TX 0 0...

Page 14: ...14 MAIN Unit Note ...

Page 15: ...4417 BR Q1006 1048 1050 2SA1774 FR Q1005 CPH6102 AB Q1002 UMD5N Q1046 TDA2822D Q1003 DAN222 N D1005 DTC144EE 26 Q1004 LC87F7BC8A Q1015 UMG2N Gc Q1014 Parts Layout Side A A B 2 C D E 1 3 AN6123MS Q1013 LM2902PWR Q1011 RD07MVS1 Q1045 ...

Page 16: ...RD01MUS1 Q1044 DTA114TE 14 Q1021 MB15A01PFV1 Q1025 M62364FP Q1029 DTC144EE 26 Q1001 1010 1023 1054 AK93C95AF Q1008 NJM12904R Q1052 DTC143ZE E23 Q1053 CPH6102 AB Q1007 1031 1038 1041 UMW1 W1 Q1030 c d e 1 3 Parts Layout Side B 2SB1201S Q1009 3SK318 YB Q1043 1049 DTA143EE 13 Q1018 LM2902PWR Q1019 TK10931VTL Q1039 S 80835CNMC Q1027 S 812C35AUA Q1033 UMD5N Q1016 1026 1035 UMG2N Gc Q1022 1051 ...

Page 17: ...K22108802 1 A D2 C 1034 CHIP CAP 0 01uF 16V B GRM36B103K16PT K22128804 1 B e2 C 1035 CHIP CAP 0 1uF 10V B GRM36B104K10PT K22108802 1 A B2 C 1036 CHIP CAP 22pF 50V CH GRM1552C1H220JZ01D K22178220 1 B b2 C 1037 CHIP CAP 0 1uF 10V B GRM36B104K10PT K22108802 1 B c2 C 1038 CHIP CAP 0 022uF 16V B GRM36B223K16PT K22128806 1 A C2 C 1039 CHIP CAP 0 022uF 16V B GRM36B223K16PT K22128806 1 A C2 C 1040 CHIP CA...

Page 18: ...CAP 0 01uF 16V B GRM36B103K16PT K22128804 1 B a2 C 1112 CHIP CAP 3pF 50V CJ GRP1553C1H3R0CZ01E K22178205 1 B b3 C 1113 CHIP CAP 0 01uF 16V B GRM36B103K16PT K22128804 1 B b2 C 1114 CHIP CAP 0 001uF 50V B GRM155B11H102KA01D K22178809 1 B a2 C 1115 CHIP CAP 1uF 6 3V B GRM155B30J105KE18D K22088803 1 B a1 C 1116 CHIP CAP 0 001uF 50V B GRM155B11H102KA01D K22178809 1 B a2 C 1118 CHIP CAP 0 001uF 50V B GR...

Page 19: ...P CAP 470pF 50V B GRM155B11H471KA01D K22178805 1 B d1 C 1198 CHIP CAP 47pF 50V CH GRM1552C1H470JZ01D K22178228 1 B d3 C 1199 CHIP CAP 0 01uF 16V B GRM36B103K16PT K22128804 1 A B2 C 1200 CHIP CAP 0 001uF 50V B GRM155B11H102KA01D K22178809 1 A A3 C 1201 CHIP CAP 12pF 50V CH GRM1552C1H120JZ01D K22178214 1 B d3 C 1202 CHIP CAP 0 001uF 50V B GRM155B11H102KA01D K22178809 1 A A3 C 1203 CHIP TA CAP 3 3uF ...

Page 20: ... A B1 D 1011 DIODE 1SS400 TE61 G2070634 1 B a3 D 1012 DIODE DA221 TL G2070178 1 B b2 D 1013 DIODE HVC350B TRF E G2070596 1 B a3 D 1014 DIODE HSC277TRF E G2070584 1 B a3 D 1015 DIODE HSC277TRF E G2070584 1 B a3 D 1016 DIODE DA221 TL G2070178 1 B b2 D 1017 DIODE DA221 TL G2070178 1 B a1 D 1018 DIODE 1SV325 TPH3 F G2070848 1 B a2 D 1019 DIODE 1SS400 TE61 G2070634 1 B a1 D 1020 DIODE 1SS400 TE61 G2070...

Page 21: ... L 1029 COIL E2 0 3 1 7 8T L L0022376 1 B e3 L 1030 CHIP COIL 0 068uH LQW18AN68NJ00D L1691265 1 B d2 L 1031 COIL E2 0 3 1 7 8T L L0022376 1 B e2 MC1001 MICROPHONE ELEMENT CZ034HP363 M3290044 1 A B2 Q 1001 TRANSISTOR DTC144EE TL G3070075 1 B d2 Q 1002 TRANSISTOR CPH6102 TL G3070223 1 A A2 Q 1003 IC TDA2822D013TR G1091542 1 A A1 Q 1004 TRANSISTOR DTC144EE TL G3070075 1 A A1 Q 1005 TRANSISTOR 2SA1774...

Page 22: ...6W 5 RMC1 16S 221JTH J24189017 1 A A1 R 1022 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 A D2 R 1023 CHIP RES 3 3k 1 16W 5 RMC1 16S 332JTH J24189031 1 A A1 R 1024 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 B e1 R 1025 CHIP RES 0 1 16W 5 RMC1 16S JPTH J24189070 1 A A1 R 1026 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 A A1 R 1027 CHIP RES 22k 1 16W 5 RMC1 16S 223JTH J24189041 1 A B2...

Page 23: ...HIP RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 B a3 R 1094 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 B c2 R 1095 CHIP RES 22k 1 16W 5 RMC1 16S 223JTH J24189041 1 B a3 R 1096 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 B a3 R 1097 CHIP RES 220k 1 16W 5 RMC1 16S 224JTH J24189053 1 B b2 R 1098 CHIP RES 220k 1 16W 5 RMC1 16S 224JTH J24189053 1 B b2 R 1099 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH...

Page 24: ... 1171 CHIP RES 1 5M 1 16W 5 RMC1 16S 155JTH J24189063 1 B a2 R 1172 CHIP RES 68 1 16W 5 RMC1 16S 680JTH J24189011 1 A C1 R 1173 CHIP RES 100 1 16W 5 RMC1 16S 101JTH J24189013 1 B a2 R 1174 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 B b1 R 1175 CHIP RES 47k 1 16W 5 RMC1 16S 473JTH J24189045 1 B b1 R 1176 CHIP RES 4 7k 1 16W 5 RMC1 16S 472JTH J24189033 1 B c2 R 1177 CHIP RES 68 1 16W 5 RMC1 16...

Page 25: ... RMC1 16S 333JTH J24189043 1 A A3 R 1247 CHIP RES 68k 1 16W 5 RMC1 16S 683JTH J24189047 1 A B2 R 1248 CHIP RES 2 2k 1 16W 5 RMC1 16S 222JTH J24189029 1 B d2 R 1249 CHIP RES 0 1 16W 5 RMC1 16S JPTH J24189070 1 A B2 R 1250 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 B d2 R 1251 CHIP RES 2 2k 1 16W 5 RMC1 16S 222JTH J24189029 1 B d2 R 1252 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 B e1 R 12...

Page 26: ...MAIN Unit REF DESCRIPTION VALUE V W TOL MFR S DESIG VXSTD P N VERS LOT SIDE LAY ADR LIGHT GUIDE LCD RA0778100 1 LCD HOLDER RA077820A 1 TERMINAL HOLDER RA010340B 1 TERMINAL PLATE IS RA0723400 1 PORON SHEET RA0844200 1 ...

Page 27: ...27 ...

Page 28: ...28 Copyright 2006 VERTEX STANDARD CO LTD All rights reserved No portion of this manual may be reproduced without the permission of VERTEX STANDARD CO LTD ...

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