Vertex Standard VX-231 Manuel de service

1IntroductionThis manual provides technical information necessary for servicing the VX-230 FM Transceiver.Servicing this equipment requires expertise

10AlignmentTest SetupSetup the test equipment as shown for transceiver alignment,then apply 7.5 V DC power to the transceiver.Basic Alignment ModeIn t

111. PLL REFERENCE FREQUENCY (FREQUENCY)This parameter is to align the reference frequency for PLL.1. Press the “Frequency” button to start the alignm

123. SQUELCH (SQL)This parameter is to align the SQL (Squelch) Sensitivity.There are several alignments as follows in the Squelch Sensitivity.Threshol

13Alignment5. MIC SENSEThis parameter is to align the “Microphone Sense” (Gain) and it needs the appropriate JIG (Tuning Interface BOX). Connect the J

147. MODULATION BALANCE <WIDE> / <NARROW> (THIS ALIGNMENT IS DIFFICULT.)This parameter is to align the “Modulation Deviation” (Wide/Narro

159. DCS DEVIATION <WIDE> / <NARROW>This parameter is to align “DCS Deviation” of the selected channel.1. Input the desired DCS Code on th

16Note

17Circuit DiagramMAIN Unit (Lot. 1~5)7.4 V7.4 VRX: 0 VTX: 0.8 VTX 5W: 1.1 VRX: 2.9 VTX: 0 VTX 5W: 0.7 VTX 5W: 1.9 V–11 dBμ–8 dBμRX: 0 VTX: 4.2 VRX: 0

18NoteMAIN Unit (Lot. 1~5)

19Parts Layout (Side A)24 35B1ACMAIN Unit (Lot. 1~5)TC74VHC4066AFT(Q1001)NJM12902V(Q1046, 1049, 1050)2SC4617(Q1002, 1007, 1016)2SC4081(Q1037)RQA0011DN

2SpecificationsVTX/EXP versionGeneralFrequency Range: 450MHz - 512MHz (Version VTX, Type D),450MHz - 520MHz (Version EXP, Type D),400MHz - 470MHz (Ver

2024 35b1acParts Layout (Side B)MAIN Unit (Lot. 1~5)DA221(K)(D1019, 1035)RQA0004PXDQS (PX)(Q1015)MSG330010L (5S)(Q1013)2SC5227 (Q1018)2SC5005 (73)(Q10

21MAIN Unit (Lot. 6~)Circuit Diagram

22MAIN Unit (Lot. 6~)Note

23MAIN Unit (Lot. 6~)Parts Layout (Side A)24 35B1ACTC74VHC4066AFT(Q1001)NJM12902V(Q1046, 1049, 1050)2SC4617(Q1002, 1007, 1016)2SC4081(Q1037)RQA0011DNS

24MAIN Unit (Lot. 6~)24 35b1acParts Layout (Side B)DA221(K)(D1019, 1035)RQA0004PXDQS (PX)(Q1015)MSG330010L (5S)(Q1013)2SC5227 (Q1018)2SC5005 (73)(Q102

25PCB with Components CS2009401 VTX, TYP: DCS2009402 EXP, TYP: DCS2009404 VTX, TYP: ACS2009405 EXP, TYP: ACS2009406 EUPrinted Circuit Board AC085U000

26MAIN UnitParts ListDESCRIPTION VALUE V/W TOL. VXSTD P/NMFR’S DESIG VERS.REF. LOT. SIDELAY ADRC 1066 CHIP CAP. 8pF 50V CH GRM1552C1H8R0BZ01D K2217829

27MAIN UnitParts ListDESCRIPTION VALUE V/W TOL. VXSTD P/NMFR’S DESIG VERS.REF. LOT. SIDELAY ADRC 1116 CHIP TA.CAP. 1uF 16V F931C105MAA K78120082 1- A

28MAIN UnitParts ListDESCRIPTION VALUE V/W TOL. VXSTD P/NMFR’S DESIG VERS.REF. LOT. SIDELAY ADRC 1190 CHIP CAP. 0.001uF 50V B GRM155B11H102KA01D K2217

29MAIN UnitParts ListDESCRIPTION VALUE V/W TOL. VXSTD P/NMFR’S DESIG VERS.REF. LOT. SIDELAY ADRC 1262 CHIP CAP. 470pF 50V B GRM155B11H471KA01D K221788

3Exploded View & Miscellaneous PartsNon-designated parts are available only as part of a designated assembly.REF VXSTD P/N DESCRIPTION QTY.cU02308

30MAIN UnitParts ListDESCRIPTION VALUE V/W TOL. VXSTD P/NMFR’S DESIG VERS.REF. LOT. SIDELAY ADRC 1336 CHIP CAP. 1uF 16V B C1608JB1C105KT K22124813 1-

31MAIN UnitParts ListDESCRIPTION VALUE V/W TOL. VXSTD P/NMFR’S DESIG VERS.REF. LOT. SIDELAY ADRL 1009 COIL 0.047uH AS030821-47NK L0022588 1- B b2L 101

32MAIN UnitParts ListDESCRIPTION VALUE V/W TOL. VXSTD P/NMFR’S DESIG VERS.REF. LOT. SIDELAY ADRQ 1023 TRANSISTOR DTC114TE TL G3070225 1- B c4Q 1024 FE

33MAIN UnitParts ListDESCRIPTION VALUE V/W TOL. VXSTD P/NMFR’S DESIG VERS.REF. LOT. SIDELAY ADRR 1048 CHIP RES. 56k 1/16W 5% RMC1/16S 563JTH J24189046

34MAIN UnitParts ListDESCRIPTION VALUE V/W TOL. VXSTD P/NMFR’S DESIG VERS.REF. LOT. SIDELAY ADRR 1131 CHIP RES. 100k 1/16W 5% RMC1/16S 104JTH J2418904

35R 1206 CHIP RES. 22 1/16W 5% RMC1/16S 220JTH J24189005 1- B b3R 1207 CHIP RES. 33k 1/16W 5% RMC1/16S 333JTH J24189043 1- A C4R 1208 CHIP RES. 33k 1/

36Parts ListDESCRIPTION VALUE V/W TOL. VXSTD P/NMFR’S DESIG VERS.REF. LOT. SIDELAY ADRR 1284 CHIP RES. 18 1/8W 5% RMC1/8T 180J J24215180 1- B a2R 1285

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38Copyright 2009VERTEX STANDARD CO., LTD.All rights reservedNo portion of this manualmay be reproduced withoutthe permission ofVERTEX STANDARD CO., LT

4Note

5Block Diagram

6Block DiagramNote

7Circuit Description1. Circuit Configuration by FrequencyThe receiver is a Double-conversion Super-heterodyne with afirst intermediate frequency (IF)

8Circuit Description3-2. Drive and Final amplifierThe modulated signal from the VCO Q1032 (2SC4227) is buff-ered by Q1027 (2SC5005). Then the signal i

9AlignmentIntroductionThe VX-230 series has been aligned at the factory for the spec-ified performance across the entire frequency range specified.Rea