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Vertex Standard VX-2R manual

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Table of contents for the manual

  • Page 1

    1 © 2003 VERTEX STANDARD CO., LTD. EH015M90A Technical Supplement Specifications .................................................................................................................................................................. 2 Exploded View & Miscellaneous Parts ...............................................................[...]

  • Page 2

    2 Specifications General Frequency Ranges : RX 0.5-1.8 MHz (BC Band) (US A V ersion) 1.8-30 MHz (SW Band) 30-76 (59) MHz (50 MHz HAM) 76 (59)-108 MHz (FM) 108-137 MHz (Air Band) 137-174 MHz (144 MHz HAM) 174-222 MHz (VHF TV) 222-420 MHz (ACT1) 420-470 MHz (430 MHz HAM) 470-800 (729) MHz (UHF TV) (758-774) MHz (UHF TV) 800-999 MHz (ACT2; USA Cellula[...]

  • Page 3

    3 Specifications Receiver Circuit Type : AM, NFM: Double-Conversion Superheterodyne WFM: Triple-Conversion Superheterodyne Intermediate Frequencies : 1st 2nd 3rd AM, NFM 47.25MHz 450 kHz – WFM 45.8 MHz 10.7 MHz 1 MHz Sensitivity : 3 µV for 10 dB SN (0.5-30 MHz, AM) 0.35 µV TYP for 12 dB SINAD (30-54 MHz, NFM) 1 µV TYP for 12 dB SINAD (54-76 MH[...]

  • Page 4

    4 Exploded View & Miscellaneous Parts RA0111400 RING NUT ‰ REF • ‚ ƒ „ … † ‡ ˆ ‰ VXSTD P/N U07125302 U07180306 U07240302 U44110002 U9900044 U9900068 U9900153 U9900154 U9900156 DESCRIPTION PAN HEAD SCREW M1.7X2.5NI#3 PAN HEAD SCREW M1.7X8AU#3 PAN HEAD SCREW M2X4NI#3 TAPTITE SCREW M2X15NI TAPTITE SCREW 1.7X5NI#3 GUIDE TAPTITE SC[...]

  • Page 5

    5 Connection Diagram Downloaded by RadioAmateur.EU[...]

  • Page 6

    6 Block Diagram Downloaded by RadioAmateur.EU[...]

  • Page 7

    7 Circuit Description The VX-2R consists of a MAIN-UNIT, a FILTER-UNIT, a SW-UNIT, and a VCO-UNIT. The MAIN-UNIT contains the receiver front end, IF circuit, PLL circuit, the CPU, audio ICs, and the power circuitry for the LCD. The FIL- TER-UNIT contains the CTCSS/DCS Encoder/Decoder cir- cuit. The SW-UNIT contains the TX power amplifier cir- cuit [...]

  • Page 8

    8 Circuit Description to varactors D1016 and D1017 (both HVC355B ) in the variable frequency band-pass filters. By changing the elec- trostatic capacitance of the varactors, optimum filter char- acteristics are provided for each specific operating fre- quency. ( 6 ) 47.25-MHz First Intermediate Frequency The 47.25-MHz first intermediate frequency f[...]

  • Page 9

    9 ( 4 ) 435-MHz-Band Transmission Modulating audio passes through deviation setting D/A converter Q1010 ( M62364FP ) then delivered to the UHF modulator of the VCO-UNIT mounted on the MAIN- UNIT. This signal is applied to varactor D4002 ( HSC277 ) in the tank circuit of UHF VCO Q4002 ( EC3H07B ), which oscillates at the desired UHF transmitting fre[...]

  • Page 10

    10 Circuit Description Note[...]

  • Page 11

    11 Alignment Introduction The VX-2R is carefully aligned at the factory for the spec- ified performance across the amateur band. Realignment should therefore not be necessary except in the event of a component failure. Only an authorized Vertex Standard representative should perform all component replacement and service, or the warranty policy may [...]

  • Page 12

    12 Alignment Internal System Alignment Routine This process uses a programmed routine in the transceiv- er which simplifies many previously complex discrete component settings and adjustments with digitally-con- trolled settings via front panel keys and LCD indications. Set the transceiver to the 430MHz band, then turn the transceiver off. Now, pre[...]

  • Page 13

    13 TX Low Power (Low Band Edge) Adjustment (LP) r Press the [ V/M ] ke y. r Transmit, and adjust the output power level for 0.1 W (±0.05 W) by rotating the DIAL knob, then press the [ V/M ] ke y. r Rotate the DIAL knob to select the next setting. TX Deviation (Low Band Edge) Adjustment (dEV) r Press the [ V/M ] ke y. r Inject a 1 kHz audio tone at[...]

  • Page 14

    14 CTCSS Tone (254.1 Hz) Deviation (High Band Edge) Adjustment (254) r Press the [ V/M ] ke y. r Transmit, and adjust the deviation for ± 0.6 kHz (±0 .05 kHz ) by rotating the DIAL knob, then press the [ V/M ] ke y. r Rotate the DIAL knob to select the next setting. DCS Tone Deviation (High Band Edge) Adjustment (dCS) r Press the [ V/M ] ke y. r [...]

  • Page 15

    15 W ide FM Low-Scale S-1 Adjustment (S1) r Press the [ V/M ] ke y. r Adjust the generator level to 0 dBµ (1 kHz tone @ ±20 kHz deviation), then press the [ F/W ] ke y. r Press the [ F/W ] key again, then press the [ V/M ] ke y. r Rotate the DIAL knob to select the next setting. W ide FM S-Meter Full-Scale Adjustment (S9) r Press the [ V/M ] ke y[...]

  • Page 16

    16 Alignment TX Deviation (High Band Edge) Adjustment (dEV) r Press the [ V/M ] ke y. r Inject a 1 kHz audio tone at a level of 50 mV (rms) to the MIC jack, then press the [ F/W ] ke y. r Transmit, and adjust the deviation for 4.2 kHz (±0.2 kHz) by rotating the DIAL knob, then press the [ V/M ] ke y. r Rotate the DIAL knob to select the next setti[...]

  • Page 17

    17 MAIN Unit Circuit Diagram 1.9 V 0.8 V 1.9 V 0.7 V 2.2 V 0.7 V 2.5 V 2.3 V 1.7 V 2.2 V 0.7 V 0.8 V 52 MHz: 1.5 V BC Band: 1.7 V 0.8 V 52 MHz: 1.5 V BC Band: 1.6 V RX: 2.5 V TX: 0 V RX: 2.6 V TX: 0 V 3.0 V 3.0 V 0.8 V LAMP ON: 2.8 V LAMP OFF: 0.7 V LAMP ON: 1.6 V LAMP OFF: 0 V BUSY: 0.7 V SQL ON: 0 V RX: 0 V TX: 0.7 V 3.0 V 0.8 V 3.0 V 146 MHz RX:[...]

  • Page 18

    18 MAIN Unit[...]

  • Page 19

    19 MAIN Unit Parts Layout (Side A) B A D C E 1 2 3 4 5 6 7 8 2SA1774 (FR) (Q1046, 1050, 1057, 1070) 2SC4617 (BR) (Q1011, 1019, 1045, 1062, 1071, 1075) 2SC5227 (Q1002, 1012) 2SC5374 (NA) (Q1065) 2SC5555 (ZD-) (Q1009, 1015) 2SJ364 (4M) (Q1044, 1053) AT24C256N (Q1080) BU4094BCFV (Q1059, 1060) DTA144EM (16) (Q1007) DTC143TE (E23) (Q1006) DTC144EM (26) [...]

  • Page 20

    20 MAIN Unit b a d c e 1 2 3 4 5 6 7 8 Parts Layout (Side B) 2SA1774 (FR) (Q1027, 1032) 2SC4617 (BR) (Q1040, 1041, 1042) 2SC4915 (QY) (Q1017, 1020, 1021, 1022, 1023, 1028, 1035) 2SC5374 (NA) (Q1024, 1025, 1026) 2SC5555 (ZD-) (Q1004, 1005, 1008, 1013, 1014) DTA144EM (16) (Q1036) DTC144EM (26) (Q1031, 1039) CPH6102 (AB) (Q1061, 1078) EMG2 (G2) (Q1018[...]

  • Page 21

    21 Parts List REF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR MAIN Unit PCB with Components CS1792002 USA A2 CS1792003 EXP A1 CS1792004 EXP A2 CS1792005 EXP A3 Printed Circuit Board AH015M000 FR0101000 1- C 1001 CHIP CAP. 2pF 50V CK UMK105CK020CW-F K22178250 1- A A1 C 1002 CHIP CAP. 2pF 50V CK UMK105CK020CW-F K22178[...]

  • Page 22

    22 Parts List REF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR MAIN Unit C 1073 CHIP CAP. 0.5pF 50V CK UMK105CK0R5CW-F K22178247 1- A B7 C 1074 CHIP CAP. 33pF 50V CH UMK105CH330JW-F K22178270 1- B c4 C 1075 CHIP CAP. 1pF 50V CK UMK105CK010CW-F K22178248 1- B c4 C 1076 CHIP CAP. 2pF 50V CK UMK105CK020CW-F K22178250 1-[...]

  • Page 23

    23 Parts List REF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR MAIN Unit C 1149 CHIP CAP. 0.047uF 10V B GRM36B473K10PT K22108801 1- A B3 C 1150 CHIP CAP. 100pF 50V CH UMK105CH101JW-F K22178282 1- B b5 C 1151 CHIP CAP. 0.1uF 10V B GRM36B104K10PT K22108802 1- B b5 C 1152 CHIP TA.CAP. 22uF 4V TESVSP0G226M-8R K78060047 1[...]

  • Page 24

    24 Parts List REF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR MAIN Unit C 1225 CHIP TA.CAP. 22uF 4V TESVSP0G226M-8R K78060047 1- B a3 C 1226 CHIP CAP. 0.1uF 10V B GRM36B104K10PT K22108802 1- A B2 C 1227 CHIP CAP. 15pF 50V CH GRM36CH150J50PT K22178216 1- A D3 C 1228 CHIP CAP. 0.001uF 50V B UMK105B102KW-F K22178829 1-[...]

  • Page 25

    25 Parts List REF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR MAIN Unit C 1303 CHIP CAP. 0.01uF 16V B GRM36B103K16PT K22128804 1- B c3 C 1304 AL.ELECTRO.CAP. 10V RV4-10V330ME46-R K48100005 1- B c2 C 1305 CHIP CAP. 0.022uF 25V B GRM39B223K25PT K22144807 1- B b7 C 1306 CHIP CAP. 1uF 10V F GRM39F105Z10PT K22105001 1- B[...]

  • Page 26

    26 Parts List REF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR MAIN Unit D 1036 DIODE 1SS400G T2R G2070934 1- A B7 D 1037 DIODE DAP222M T2L G2070938 1- B b3 D 1038 DIODE 1SS400G T2R G2070934 1- B b3 D 1039 DIODE 1SS400G T2R G2070934 1- B b3 D 1040 DIODE HN2D01FUTE85R G2070348 1- B c5 D 1041 DIODE DAN222M T2L G2070936[...]

  • Page 27

    27 Parts List REF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR MAIN Unit L 1015 M.RFC 0.0056uH TFL0510-5N6 L1690808 1- A B6 L 1016 M.RFC 0.01uH 2% C1608CA-10NG L1691032 1- B c4 L 1017 M.RFC 0.01uH 2% C1608CA-10NG L1691032 1- B c4 L 1018 M.RFC 0.082uH 2% C1608CA-82NG L1691044 1- B c4 L 1019 M.RFC 0.082uH 2% C1608CA-82[...]

  • Page 28

    28 Parts List REF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR MAIN Unit Q 1031 TRANSISTOR DTC144EM T2L G3070309 1- B d7 Q 1032 TRANSISTOR 2SA1774 TL R G3117748R 1- B d7 Q 1033 IC TA31136FN(EL) G1091605 1- B b5 Q 1034 IC MB15A01PFV1-G-BND-EF G1092545 1- B c6 Q 1035 TRANSISTOR 2SC4915-O(TE85L) G3349158O 1- B d7 Q 1036[...]

  • Page 29

    29 Parts List REF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR MAIN Unit R 1020 CHIP RES. 100 1/16W 5% RMC1/16S 101JTH J24189013 1- B a7 R 1021 CHIP RES. 1k 1/16W 5% RMC1/16S 102JTH J24189025 1- A C7 R 1022 CHIP RES. 100 1/16W 5% RMC1/16S 101JTH J24189013 1- B a7 R 1023 CHIP RES. 100 1/16W 5% RMC1/16S 101JTH J2418901[...]

  • Page 30

    30 Parts List REF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR MAIN Unit R 1095 CHIP RES. 470 1/16W 5% RMC1/16S 471JTH J24189021 1- B b3 R 1096 CHIP RES. 10k 1/16W 5% RMC1/16S 103JTH J24189037 1- A A6 R 1097 CHIP RES. 10k 1/16W 5% RMC1/16S 103JTH J24189037 1- B c5 R 1098 CHIP RES. 18k 1/16W 5% RMC1/16S 183JTH J241890[...]

  • Page 31

    31 Parts List REF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR MAIN Unit R 1170 CHIP RES. 4.7k 1/16W 5% RMC1/16S 472JTH J24189033 1- B b6 R 1171 CHIP RES. 3.3k 1/16W 5% RMC1/16S 332JTH J24189031 1- B d7 R 1172 CHIP RES. 2.2k 1/16W 5% RMC1/16S 222JTH J24189029 1- B d5 R 1173 CHIP RES. 1k 1/16W 5% RMC1/16S 102JTH J2418[...]

  • Page 32

    32 Parts List REF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR MAIN Unit R 1246 CHIP RES. 330k 1/16W 5% RMC1/16S 334JTH J24189055 1- A E2 R 1247 CHIP RES. 100k 1/16W 5% RMC1/16S 104JTH J24189049 1- A B2 R 1248 CHIP RES. 10k 1/16W 5% RMC1/16S 103JTH J24189037 1- R 1249 CHIP RES. 10k 1/16W 5% RMC1/16S 103JTH J24189037 [...]

  • Page 33

    33 Filter Unit Circuit Diagram 0.8 V 0 V 0.6 V 1.2 V 3.0 V 0.6 V 0 V 1.2 V 1.0 V 1.3 V 1.3 V 1.2 V 0 V 0 V TONE FREQUENCY ~ 146.2 Hz: 2.5 V 151.4 Hz ~ : 0 V TONE SQL, DCS: 0 V WX CH SCAN: 2.5 V[...]

  • Page 34

    34 Filter Unit B A C 1 2 1 2 b a c 2SC4154 (LE) (Q2003, 2006) DTC144EE (LE) (Q2004, 2005, 2007, 2008) NJM12902V (Q2001) NJM2904R (Q2002) DA221M (K) (D2002) DAN222M (N) (D2001) (Side B) (Side A) Parts Layout[...]

  • Page 35

    35 Filter Unit REF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR Parts List PCB with Components CB2397001 Printed Circuit Board AH015M000 FR0102000 1- C 2001 CHIP CAP. 1uF 10V F GRM39F105Z10PT K22105001 1- A A1 C 2002 CHIP CAP. 0.0047uF 25V B TMK105B472KW-F K22148831 1- A A1 C 2003 CHIP CAP. 0.0047uF 25V B TMK105B472K[...]

  • Page 36

    36 Filter Unit Note[...]

  • Page 37

    37 Circuit Diagram SW Unit B A C 1 2 (Side A) 2SC5226 (R22) (Q3001) 2SC5374 (NA) (Q3004) DTC143ZE (E23) (Q3003) D b a c 1 2 (Side B) d Parts Layout 2SK3079A (E23) (Q3002) RX: 4.1 V 146 MHz TX: 3.6 V 440 MHz TX: 3.9 V RX: 0.4 V 146 MHz TX: 1.6 V 440 MHz TX: 1.3 V 146 MHz TX: 3.3 V 440 MHz TX: 3.7 V 146 MHz TX: 1.6 V 440 MHz TX: 1.9 V TX: 0.8 V TX: 0[...]

  • Page 38

    38 Parts List SW Unit REF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR PCB with Components CS1789001 Printed Circuit Board AH015M000 FR0101200 1- C 3002 CHIP CAP. 33pF 50V CH UMK105CH330JW-F K22178270 1- B c1 C 3003 CHIP CAP. 27pF 50V CH UMK105CH270JW-F K22178268 1- B c1 C 3006 CHIP CAP. 0.001uF 50V B UMK105B102KW-F [...]

  • Page 39

    39 VCO Unit Circuit Diagram Downloaded by RadioAmateur.EU[...]

  • Page 40

    40 VCO Unit Parts Layout DTC143ZE (E23) (Q4001, 4003, 4007) EC3H07B (G) (Q4002, 4004, 4005, 4006) 1 2 B A C D 3 1 2 b a c d 3 (Side A) (Side B)[...]

  • Page 41

    41 VCO Unit REF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS. LOT SIDE LAY ADR Parts List PCB with Components CB2376001 Printed Circuit Board AH009M000 FR0078300 1- C 4001 CHIP CAP. 0.001uF 50V B UMK105B102KW-F K22178829 1- A A2 C 4002 CHIP CAP. 0.01uF 16V B GRM36B103K16PT K22128804 1- A A2 C 4003 CHIP CAP. 0.5pF 50V CK UMK105CK0R5CW-[...]

  • Page 42

    42 VCO Unit L 4011 M.RFC 1uH LK1608 1R0K-T L1690687 1- A B2 L 4012 M.RFC 0.33uH LK1608 R33K-T L1690412 1- A B2 L 4013 M.RFC 0.033uH HK1608 33NJ-T L1690522 1- A B2 L 4014 M.RFC 0.1uH LK1608 R10K-T L1690407 1- A C2 L 4015 M.RFC 0.22uH 2% C1608CA-R22G L1691103 1- A B3 Q 4001 TRANSISTOR DTC143ZE TL G3070102 1- A A2 Q 4002 TRANSISTOR EC3H07B-TL G3070286[...]

  • Page 43

    17[...]

  • Page 44

    18 Copyright 2003 VERTEX STANDARD CO., LTD. All rights reserved No portion of this manual may be reproduced without the permission of VERTEX STANDARD CO., LTD. Downloaded by RadioAmateur.EU[...]