Vertex Standard VXA-300 Pilot III Service Manual Download | Manualshive

Page: 17 / 32

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17

MAIN Unit

Parts Layout (Side A)

B

A

D

C

F

E

G

1

3

2

4

H

2SB1201S

(Q1014)

BU4094BCFV

(Q1025)

NJM12902V

(Q1020)

CPH6102 (AB)

(Q1008)

DTA143EE (13)

(Q1073)

DTC143ZE (E23)

(Q1015)

DTC144EE (26)

(Q1070)

HN1J02FU (KS)

(Q1018, 1023,

1026)

LC87F74C8A

(Q1024)

NJM12804V

(Q1021)

RD08MVS1

(Q1069)

UMG2N (G2)

(Q1019)

DA221 (K)

(D1006, 1008)

HSM88WA (K)

(D1043)

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Summary of Contents for VXA-300 Pilot III

Page 1: ...rs ICs etc or leaded com ponents only While we believe the technical information in this manual to be correct Vertex Standard assumes no liability for dam age that may occur as a result of typographical or other errors that may be present Your cooperation in pointing out any inconsistencies in the technical information would be appreciated 2004 VERTEX STANDARD CO LTD EC057N90A Contents Specificati...

Page 2: ... x 1 2 inches 60 x 120 x 32 mm with FNB 83 Weight approx 13 7 oz 390 grams with FNB 83 and antenna Receiver Circuit Type Double conversion superheterodyne IFs 35 4 MHz 450 kHz Sensitivity Better than 0 8 µV for 6 dB S N with 1 kHz 30 modulation Selectivity 8 kHz 6 dB Adjacent CH Selectivity 25 kHz 60 dB AF Output 7 2 V 0 8 W 16 Ohms 10 THD Transmitter Power Output 7 2 V 5 0 W PEP 1 5 W Carrier Pow...

Page 3: ... RA0578300 WASHER RA0578400 RING NUT RA0577300 x2 pcs SPACER RA0577400 x2 pcs TERMINAL RA0576800 WINDOW RA0577100 HOLDER RA0577000 RUBBER KNOB RA0576900 DOUBLE FACE RA0292100 SHEET M4090141 SPEAKER RA0607200 SHEET PORON MAIN Unit RA0401600 O RING RA0577200 LIGHT GUIDE Ref VXSTD P N U9900068 U9900136 U24110002 U9900035 U07240202 Description TAPTITE SCREW M2X4NI 3 SPECIAL SCREW M2X2 35 4050 TAPTITE ...

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

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

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

Page 7: ... audio from Q1058 TK10931VT1 is passed through the de emphasis con sisting of the resistors R1144 R1152 R1155 R1199 ca pacitors C1118 C1119 C1124 C1149 C1151 and Q1037 2 NJM12904R In the AM mode detected audio from Q1058 TK10931VT1 is passed through the audio amplifier Q1037 1 NJM12904R and ANL circuit then applied to the AF amplifier Q1037 2 NJM12904R When impulse noise received a portion of the ...

Page 8: ...RF signal to the an tenna Circuit Description PLL Frequency Synthesizer PLL circuitry consists of VCO Q1046 2SC5555ZD VCO buffer Q1049 Q1051 both 2SC5555ZD and PLL sub system IC Q1041 MB15A01PFV1 which contains a ref erence divider serial to parallel data latch programma ble divider phase comparator and charge pump Stability is maintained by a regulated 3 5 V supply via Q1048 S 812C35AUA which fee...

Page 9: ...g band pass filters in the receiver front end When the power saving feature is active the micropro cessor periodically signals to the PLL IC Q1041 MB15A01PFV1 to conserve power and to shorten lock up time Push To Talk Transmit Activation The PTT switch on the microphone is control to pin 22 of microprocessor Q1024 LC87F74C8A so that when the PTT switch is closed pin 31 of Q1024 LC87F74C8A goes hig...

Page 10: ...10 Circuit Description Note ...

Page 11: ...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 Required Te...

Page 12: ...level to 10 dBµV 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 ceiver off Press and hold in the PTT switch MONITOR switch and VOLUME knob while turning the transceiver on to enter the alignment mode Rotate the DIAL selector knob to select 02 AMTI xx Press the VOLUME knob twice Turn the transceiver off FM Squelch Threshold ...

Page 13: ... knob again Turn the transceiver off Transmitter Section TX Power Adjustment Connect the wattmeter and dummy load to the an tenna jack then set the transceiver to 128 000 MHz and turn the transceiver off Press and hold in the PTT switch MONITOR switch and VOLUME knob while turning the transceiver on to enter the alignment mode Rotate the DIAL selector knob to select 07 TX PO xxx Press the PTT swit...

Page 14: ...t the hysteresis level using the DIAL selector knob Press the VOLUME knob again Turn the transceiver off VOR Angle Adjustment Connect the Avionics Radio Tester to the antenna jack Set the transceiver to 108 000 MHz set up the FROM mode press F 3 FROM key if necessary and set the Avionics Radio Tester as shown below Frequency 108 000 MHz Output Level 40 dBµV 30 Hz VAR 30 9 96 kHz Carrier 30 9 96 kH...

Page 15: ... 8 V RX 7 5 V TX 7 1 V RX 0 V TX 2 0 V RX 0 V TX 2 5 V RX 0 V TX 1 1 V RX 0 V TX 0 8 V RX 0 8 V TX 0 V RX 1 8 V TX 0 V 0 V RX 1 7 V TX 0 V RX 0 8 V TX 0 V RX 2 2 V TX 0 V RX 0 7 V TX 0 V RX 1 1 V TX 0 V RX 0 8 V TX 0 V RX 0 6 V TX 0 V RX 4 4 V TX 0 V RX 1 7 V TX 0 V RX 1 0 V TX 0 V AM 3 9 V FM 0 V TX 0 V RX 1 4 V TX 0 V RX 0 4 V TX 0 V RX 1 6 V TX 0 V RX 2 5 V TX 0 V AM 3 4 V FM 0 V TX 3 4 V RX 1 ...

Page 16: ...16 MAIN Unit Note ...

Page 17: ... 2 4 H 2SB1201S Q1014 BU4094BCFV Q1025 NJM12902V Q1020 CPH6102 AB Q1008 DTA143EE 13 Q1073 DTC143ZE E23 Q1015 DTC144EE 26 Q1070 HN1J02FU KS Q1018 1023 1026 LC87F74C8A Q1024 NJM12804V Q1021 RD08MVS1 Q1069 UMG2N G2 Q1019 DA221 K D1006 1008 HSM88WA K D1043 ...

Page 18: ... 1036 1047 1055 DTC124TE 05 Q1033 DTC144EE 26 Q1002 1006 1012 1030 1035 1038 1044 1053 AK93C95AF Q1010 TDA2822D013 1001 TDA7233D 1005 AN6123MS Q1017 BU4094BCFV Q1027 NJM12902V Q1011 1071 NJM2901V Q1065 M62364FP Q1045 TK10931 Q1058 NJM12804V Q1037 1072 MB15A01PFV1 Q1041 NJM2125F Q1074 RD01MUS1 Q1064 S 80835CNMC Q1040 UMA5N A5 Q1050 UMG2N G2 Q1004 1029 1039 1057 UMW1 W1 Q1042 1066 DA221 K D1015 1016...

Page 19: ...K50PT K22178813 1 A H3 C 1034 CHIP CAP 0 001uF 50V B GRM36B102K50PT K22178809 1 B b2 C 1035 CHIP TA CAP 47uF 16V TEMSVC1C476M12R K78120057 1 A G3 C 1036 CHIP CAP 0 0022uF 50V B GRM36B222K50PT K22178813 1 A H3 C 1038 CHIP CAP 0 022uF 16V B GRM36B223K16PT K22128806 1 A D3 C 1039 CHIP TA CAP 10uF 10V TEMSVA1A106M 8R K78100028 1 B a3 C 1040 CHIP CAP 0 022uF 16V B GRM36B223K16PT K22128806 1 A D3 C 1041...

Page 20: ...13 CHIP CAP 100pF 50V CH GRM36CH101J50PT K22178236 1 B g1 C 1114 CHIP CAP 100pF 50V CH GRM36CH101J50PT K22178236 1 B g1 C 1115 CHIP CAP 0 01uF 16V B GRM36B103K16PT K22128804 1 B f1 C 1116 CHIP TA CAP 4 7uF 16V TEMSVA1C475M 8R K78120031 1 B f1 C 1117 CHIP CAP 0 001uF 50V B GRM36B102K50PT K22178809 1 B d3 C 1118 CHIP CAP 0 0022uF 50V B GRM36B222K50PT K22178813 1 B f3 C 1119 CHIP CAP 0 01uF 16V B GRM...

Page 21: ...193 CHIP CAP 1uF 6 3V B GRM39B105K6 3PT K22084801 1 B g3 C 1194 CHIP CAP 1uF 6 3V B GRM39B105K6 3PT K22084801 1 B d1 C 1195 CHIP TA CAP 22uF 4V TEMSVA0G226M 8R K78060023 1 B f3 C 1196 CHIP TA CAP 10uF 10V TEMSVA1A106M 8R K78100028 1 B g4 C 1197 CHIP CAP 1uF 6 3V B GRM39B105K6 3PT K22084801 1 B f4 C 1198 CHIP CAP 12pF 50V CH GRM36CH120J50PT K22178214 1 B d1 C 1199 CHIP CAP 0 001uF 50V B GRM36B102K5...

Page 22: ...1267 CHIP CAP 0 001uF 50V B GRM36B102K50PT K22178809 1 A G1 C 1268 CHIP CAP 0 01uF 16V B GRM36B103K16PT K22128804 1 B f3 C 1269 CHIP CAP 0 1uF 10V B GRM36B104K10PT K22108802 1 A G1 C 1270 CHIP CAP 0 001uF 50V B GRM36B102K50PT K22178809 1 B e1 C 1271 CHIP CAP 39pF 50V CH GRM36CH390J50PT K22178226 1 B b1 C 1272 CHIP CAP 220pF 25V CH GRM36CH221J25PT K22148203 1 B d1 C 1273 CHIP CAP 22pF 50V CH GRM36C...

Page 23: ... 1 A B1 D 1029 LED 19 215UYOC S530 A2 TR8 G2070884 1 A A1 D 1030 DIODE DA221 TL G2070178 1 B f4 D 1031 DIODE DA221 TL G2070178 1 B f3 D 1032 LED 19 215UYOC S530 A2 TR8 G2070884 1 A B3 D 1033 DIODE 1SS400 TE61 G2070634 1 B f2 D 1034 DIODE HVC350B TRF G2070596 1 B e1 D 1035 DIODE HVC350B TRF G2070596 1 B e1 D 1037 DIODE 1SS400 TE61 G2070634 1 B g3 D 1038 DIODE HVC350B TRF G2070596 1 B e1 D 1039 DIOD...

Page 24: ...010 IC AK93C95AF E 1 G1092838 1 B d2 Q 1011 IC NJM12902V TE1 G1093592 1 B c3 Q 1012 TRANSISTOR DTC144EE TL G3070075 1 B c3 Q 1013 TRANSISTOR 2SC4617 TL R G3346178R 1 B b2 Q 1014 TRANSISTOR 2SB1201S TL G3070195 1 A E2 Q 1015 TRANSISTOR DTC143ZE TL G3070102 1 A G3 Q 1016 TRANSISTOR CPH6102 TL G3070223 1 B b2 Q 1017 IC AN6123MS TXL G1093114 1 B c3 Q 1018 FET HN1J02FU TE85L G3070221 1 A F2 Q 1019 TRAN...

Page 25: ...029 1 B c4 R 1011 CHIP RES 220 1 16W 5 RMC1 16S 221JTH J24189017 1 A G3 R 1012 CHIP RES 470 1 16W 5 RMC1 16S 471JTH J24189021 1 B b2 R 1013 CHIP RES 470 1 16W 5 RMC1 16S 471JTH J24189021 1 B c3 R 1014 CHIP RES 150 1 4W 5 RMC1 4 151JATP J24245151 1 A G3 R 1015 CHIP RES 22k 1 16W 5 RMC1 16S 223JTH J24189041 1 B b2 R 1016 CHIP RES 2 2 1 4W 5 RMC1 4 2R2JATP J24245229 1 B c2 R 1017 CHIP RES 2 2 1 4W 5 ...

Page 26: ...85 CHIP RES 12k 1 16W 5 RMC1 16S 123JTH J24189038 1 B b3 R 1088 CHIP RES 680 1 16W 5 RMC1 16S 681JTH J24189023 1 A E3 R 1089 CHIP RES 1 8k 1 16W 5 RMC1 16S 182JTH J24189028 1 A G2 R 1090 CHIP RES 47k 1 16W 5 RMC1 16S 473JTH J24189045 1 B c3 R 1091 CHIP RES 39k 1 16W 5 RMC1 16S 393JTH J24189044 1 B b3 R 1092 CHIP RES 2 2k 1 16W 5 RMC1 16S 222JTH J24189029 1 A F2 R 1093 CHIP RES 2 2k 1 16W 5 RMC1 16...

Page 27: ... 1165 CHIP RES 100k 1 16W 5 RMC1 16S 104JTH J24189049 1 B e3 R 1166 CHIP RES 33k 1 16W 5 RMC1 16S 333JTH J24189043 1 B g3 R 1167 CHIP RES 27k 1 16W 5 RMC1 16S 273JTH J24189042 1 B g3 R 1168 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 B g3 R 1169 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 B e3 R 1170 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 B f1 R 1171 CHIP RES 33k 1 16W 5 RMC1 1...

Page 28: ... R 1239 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 B f4 R 1240 CHIP RES 68k 1 16W 5 RMC1 16S 683JTH J24189047 1 B f4 R 1241 CHIP RES 150 1 16W 5 RMC1 16S 151JTH J24189015 1 B h2 R 1242 CHIP RES 5 6k 1 16W 5 RMC1 16S 562JTH J24189034 1 B e2 R 1243 CHIP RES 150 1 16W 5 RMC1 16S 151JTH J24189015 1 B f3 R 1244 CHIP RES 47k 1 16W 5 RMC1 16S 473JTH J24189045 1 B g3 R 1245 CHIP RES 100k 1 16W 5 RMC...

Page 29: ...k 1 16W 5 RMC1 16S 103JTH J24189037 1 A G1 R 1314 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 B h3 R 1315 CHIP RES 150k 1 16W 5 RMC1 16S 154JTH J24189051 1 B h3 R 1316 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 A G1 R 1317 CHIP RES 47k 1 16W 5 RMC1 16S 473JTH J24189045 1 B g4 R 1318 CHIP RES 33k 1 16W 5 RMC1 16S 333JTH J24189043 1 A G1 R 1319 CHIP RES 33k 1 16W 5 RMC1 16S 333JTH J241890...

Page 30: ...30 Parts List MAIN Unit REF DESCRIPTION VALUE V W TOL MFR S DESIG VXSTD P N VERS LOT SIDE LAY ADR INTER CONNECTOR LCD RA0580700 1 REFLECTOR SHEET A RA0580500 1 MIC HOLDER RUBBER RA0578200 1 ...

Page 31: ...31 ...

Page 32: ...32 Copyright 2004 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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