1Specification ...
10AlignmentInternal System Alignment RoutineThis uses a programmed routine in the transceiver, whichsimplifies many previously complex discrete compon
11NFM S-Meter Full Scale AdjustmentP Connect the RF Signal Generator to the ANT jack, and thenset the output level to +20 dBμV at the 435.100 MHz (wit
1250 MHz bandPress the [BAND] button to switch the alignment band to50 MHz Band.Squelch Threshold AdjustmentP Connect the RF Signal Generator to the A
13Alignment144 MHz BandPress the [BAND] button to switch the alignment band to144 MHz Band.RX Tune AdjustmentP Connect the RF Signal Generator to the
14AlignmentLow TX Power AdjustmentP Connect the 50-Ohm Dummy Load and Wattmeter tothe ANT jack.P Rotate the DIAL knob one click clockwise to select th
15MAIN UnitCircuit Diagram
16MAIN UnitNote
17MAIN UnitParts Layout (Side A)2SA2029 (F*)(Q1057, 1071, 1073,1092)2SC5374 (NA)(Q1077)2SC5658 (B*)(Q1055, 1078, 1088, 1093)BA C132542SK3541(Q1006, 10
18MAIN UnitParts Layout (Side B)ba c1322SC4915-O (QY)(Q1029, 1030, 1033, 1034,1035, 1036, 1037)2SC5374 (NA)(Q1038, 1048, 1056)2SC5555ZD (ZD-)(Q1002, 1
19Main UnitParts ListREF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS.LOTSIDELAY ADRP.C.B. with Components (W/ SW Unit, VCO Unit) CP8966
2SpecificationsGeneralFrequency Ranges: RX 0.5-1.8 MHz (AM Broadcast)(USA Version) 1.8-30 MHz (SW Band)30-76 MHz (50 MHz HAM)76-108 MHz (FM)108-137 M
20Parts ListREF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS.LOTSIDELAY ADRMain UnitC 1065 CHIP CAP. 56pF 50V CH UMK105CH560JW-F K221782
21Parts ListREF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS.LOTSIDELAY ADRMain UnitC 1139 CHIP CAP. 100pF 50V CH UMK105CH101JW-F K22178
22Parts ListREF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS.LOTSIDELAY ADRMain UnitC 1229 CHIP CAP. 0.01uF 16V B GRM36B103K16PT K221288
23Parts ListREF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS.LOTSIDELAY ADRMain UnitC 1311 CHIP CAP. 15pF 50V CH UMK105CH150JW-F K221782
24Parts ListREF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS.LOTSIDELAY ADRMain UnitD 1025 DIODE 1SV325(TPH3.F) G2070848 1- B b2D 1026 D
25Parts ListREF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS.LOTSIDELAY ADRMain UnitL 1010 M.RFC 0.15uH 2% C1608CB-R15G L1691101 1- B b2
26Parts ListREF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS.LOTSIDELAY ADRMain UnitQ 1029 TRANSISTOR 2SC4915-O(TE85L.F) G3349158O 1- B
27Parts ListREF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS.LOTSIDELAY ADRMain UnitR 1011 CHIP RES. 470 1/16W 5% RMC1/16S 471JTH J24189
28Parts ListREF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS.LOTSIDELAY ADRMain UnitR 1083 CHIP RES. 100k 1/16W 5% RMC1/16S 104JTH J2418
29R 1164 CHIP RES. 10k 1/16W 5% RMC1/16S 103JTH J24189037 1- B a5R 1165 CHIP RES. 10k 1/16W 5% RMC1/16S 103JTH J24189037 1- B a4R 1166 CHIP RES. 10k 1
3SpecificationsReceiverCircuit Type: AM, NFM: Double-Conversion SuperheterodyneWFM: Triple-Conversion SuperheterodyneAM Radio/FM Radio: Single-Convers
30R 1254 CHIP RES. 0 1/16W 5% RMC1/16S JPTH J24189070 VER. B2 1-R 1254 CHIP RES. 0 1/16W 5% RMC1/16S JPTH J24189070 VER. C1 1-R 1254 CHIP RES. 0 1/16W
31Filter UnitCircuit Diagram
32BA C12Filter UnitParts Layout (Side A)ba c12Parts Layout (Side B)DTC144EM (26)(Q2004, 2005,2007, 2008)DTC144TEM (96)(Q2006)2SC5658 (B*)(Q2003)LM2904
33Filter UnitParts ListREF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS.LOTSIDELAY ADRP.C.B. with Components CB4006001Printed Circuit Bo
34Filter UnitNote
35SW UnitCircuit Diagram
36SW UnitParts Layout (Side A)BA C1Parts Layout (Side B)ba c12SC5226 (R22)(Q3003)2SC5374 (NA)(Q3001)DTC143ZE (E23)(Q3003)RQA0003DNS(Q3004)
37SW UnitParts ListREF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS.LOTSIDELAY ADRP.C.B. with Components CS1944003 DST:USACS1944004 DST:
38SW UnitNote
39VCO UnitCircuit Diagram
4Exploded View & Miscellaneous PartsNon-designated parts are available only as part of adesignated assembly.No.VXSTD P/NU9900220U9900068U0
40VCO UnitParts Layout (Side A)BA12ba12Parts Layout (Side B)DTC143ZE (E23)(Q4001, 4003, 4007)MT3S36FS (21)(Q4002, 4004, 4005,4006)
41VCO UnitParts ListREF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS.LOTSIDELAY ADRP.C.B. with Components CB3815001Printed Circuit Board
42VCO UnitParts ListREF DESCRIPTION VALUE V/W TOL. MFR'S DESIG VXSTD P/N VERS.LOTSIDELAY ADRL 4011 M.RFC 1uH LK1608 1R0K-T L1690687 1- A B1L 4012
44Copyright 2007VERTEX STANDARD CO., LTD.All rights reservedNo portion of this manualmay be reproduced withoutthe permission ofVERTEX STANDARD CO., LT
5Block Diagram
6Note
7Circuit DescriptionThe VX-3R consists of a MAIN-UNIT, a FILTER-UNIT, aSW-UNIT, and a VCO-UNIT. The MAIN-UNIT containsthe receiver front end, PLL IC,
8Circuit Description(2) ModulationVoice signal input from either built-in microphoneMC1001 on MAIN-UNIT or external jack J1004 on theMAIN-UNIT is pre-
9AlignmentIntroductionThe VX-3R is carefully aligned at the factory for thespecified performance across the amateur band. Realign-ment should therefor
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