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Vertex Standard VX-820 series, Service Manual

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Vertex Standard VX-820 series Service Manual Download Page 41

41

Cable Unit

Circuit Diagram

Parts List

Parts Layout

DESCRIPTION

VALUE

V/W

TOL.

VXSTD P/N

MFR’S DESIG

VERS.

REF.

LOT. SIDE LAY ADR

Printed Circuit Board

AC058N000

FR013270B

C 5001

CHIP CAP.

0.001uF

50V

B

GRM188B11H102KA01D

K22174821

1-

B

MC5001 MIC. ELEMENT

EM-140

M3290032

1-

A

MIC HOLDER RUBBER

(C)

RA0725900

1-

Summary of Contents for VX-820 series

Page 1: ...has either a mixture of both chip and leaded components trimmers coils electrolytic capacitors ICs etc or leaded components only As described in the pages to follow the advanced microprocessor de sign of the VX 820 Series Transceiver allows a complete alignment of this transceiver to be performed without opening the case of the radio all adjustments can be performed from the front panel using the ...

Page 2: ...5 x 37 5 mm Weight Approx 10 9 oz 310g w FNB V86LI ATV 8B CLIP 920 Receiver Measurement per TIA EIA 603 Circuit Type Double Conversion Super heterodyne Sensitivity 12dB SINAD 0 25 µV 0 32 µV W N Adjacent Channel Selectivity 75 70 dB W N Intermodulation 75 70 dB W N Spurious Response Rejection 75 dB Num Noise 48 42 dB W N Audio output 700 mW 16 ohms 5 THD Spurious Emissions 57 dBm Transmitter Measu...

Page 3: ...S RA0731400 SHEET 9 5X4 M TEX DISPLAY UNIT RA0611500 ROTARY KNOB CH RA0601800 SIDE COVER RA0731500 x2 pcs PAD E1 1 w LCD 2 w o LCD SPECIAL SCREW PAN HEAD SCREW PAN HEAD SCREW PAN HEAD SCREW PAN HEAD SCREW TAPTITE SCREW TAPTITE SCREW HEX SOCKET BOLT TAPTITE SCREW SPECIAL SCREW Ref M2 6X5 M2X3NI M2X3BSUS 2 M2X3 5 SUS 2 M2X6 SUS 2 M2X4NI 2X10SUS M2X6BSUS M2X5NI 2 M3X6 Qty 2 1 1 4 4 12 2 2 2 1 VXSTD P...

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

Page 5: ...5 Block Diagram Main Unit ...

Page 6: ...6 Block Diagram Display Unit ...

Page 7: ...e by Q1065 TA31136FN and then is mixed with the IF signal to produce a 450 kHz second IF The second IF signal then passes through the ceramic filter CF1001 wide channels CF1002 narrow chan nels to strip away all but the desired signal and is applied to the limiter amplifier in Q1065 TA31136FN which removes amplitude variations in the 450 kHz IF before detection of the speech by the ceramic discrim...

Page 8: ...al While the radio is transmitting the TX Circuit Description port of Q1067 CPU LC87F5BP6A When a car rier is received the DC voltage becomes low because the noise is compressed When the detected voltage to the CPU is high the CPU stops AF output by set ting Q1083 DTC114TE OFF by making pin 59 of the CPU High level When the detection volt age is low the CPU switches Q1083 DTC114TE ON by making pin...

Page 9: ...e frequency from TCXO is applied to pin 8 of the PLL IC Q1068 SA7025DK and is divided by the refer ence divider This IC is a decimal point dividing PLL IC and the dividing ratio becomes 1 8 of the usual PLL frequency step Therefore the output of refer ence divider is 8 times the frequency of the channel step For example when the channel steps are set to 5 kHz the output of reference divider become...

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

Page 11: ...ght to change circuits and alignment procedures in the interest of improved performance without notifying owners Under no circumstances should any alignment be attempted unless the normal function and opera tion of the transceiver are clearly understood the cause of the malfunction has been clearly pinpoint ed and any faulty components replaced and realign ment determined to be absolutely necessar...

Page 12: ...evels in dB referred to in the align ment procedure are based on 0 dBm EMF 1 mV Setup the test equipment as shown for transceiver alignment apply 7 5 V DC power to the transceiver Refer to the drawings above for Alignment Points The transceiver must be programmed for use in the intended system before alignment is attempted The RF parameters are loaded from the file during the alignment process In ...

Page 13: ...e the temporary data and the setting will return to its original value Basic Alignment Mode The Basic Alignment mode allows you to align the entire radio The value of each parameter can be changed to the desired position by use of the and up down arrow keys along with direct number input and dragging of the PC mouse To enter the Basic Alignment Mode select Basic Alignment in the main Radio menu It...

Page 14: ... in the Help file within CE59 Clone Editor Note Because of the bridge audio amplifier circuit used in the it is necessary to construct and use a simple audio load test adapter as shown in the schematic diagram when con ducting receiver alignment steps Do not connect either side of the speaker leads to chassis ground AF TEST ADAPTER SCHEMATIC Pin 1 SP Pin 3 GND Pin 5 SELECT Pin 7 CLONE Pin 9 DISC O...

Page 15: ...0 V BUSY 0 8 V TX 0 2 V SAVE ON 3 5 V SAVE OFF 0 6 V SAVE ON 0 V SAVE OFF 3 5 V 3 5 V 0 1 V 2 7 V 0 8 V RX 0 V TX 5 0 V RX 2 6 V TX 0 V RX 2 6 V TX 2 6 V RX 3 0 V TX 2 8 V RX 4 1 V TX 3 9 V RX 3 7 V TX 4 2 V RX 2 9 V TX 0 V RX 0 6 V TX 2 9 V RX 4 0 V TX 0 V 0 8 V 2 6 V 5 0 V 4 2 V 4 9 V SAVE ON 0 V SAVE OFF 3 4 V TX 0 V SAVE ON 0 V SAVE OFF 4 9 V TX 0 V RX 3 0 V TX 0 V RX 3 0 V TX 0 V RX 1 4 V TX ...

Page 16: ...16 Main Unit ...

Page 17: ... 1070 1071 1086 1087 DTC114TE 04 Q1010 1025 1062 BR93L66RFVM Q1063 LM2904PWR Q1080 2SK3476 Q1019 LC87FF5BP6A Q1067 CD4066BPWR Q1078 LM2902PWR Q1073 1074 1075 NJM12902V Q1072 RTM002 BA Q1088 TAR5S35U Q1060 1061 DA221 K D1026 1042 1043 1049 1050 UNR911FJ0L 6O Q1041 1085 XP1501 5R Q1002 UMD5N Q1006 1058 DAN222 N D1046 1048 S 80835CNMC Q1059 ...

Page 18: ...SC5226 R22 Q1021 2SK508 K52 Q1046 2SK880GR XG Q1066 2SK3475 Q1024 AK2345 Q1031 SA7025DK Q1068 M62364FP Q1020 NJM2130F Q1030 1084 DTC144EE 26 Q1033 1043 1048 DTC114TE 04 Q1038 1047 1083 DTA144EE 16 Q1036 SPM5001 Q1034 TAR5S50U Q1005 CD4053BPWR Q1014 LM2902PWR Q1082 BD6111FV Q1028 TC4W53FU Q1029 TC7W74FU Q1037 LA8630M Q1022 DA221 K D 1025 DAN222 N D1023 ...

Page 19: ... 1052 CHIP CAP 39pF 50V CH GRM1882C1H390JA01D K22174225 1 B e3 C 1053 CHIP CAP 0 01uF 16V B GRM36B103K16PT K22128804 1 B c3 C 1059 CHIP TA CAP 10uF 6 3V TEMSVA0J106M 8R K78080027 1 B c3 C 1060 CHIP CAP 0 01uF 16V B GRM36B103K16PT K22128804 1 A B1 C 1061 CHIP CAP 0 001uF 50V B GRM155B11H102KA01D K22178809 1 A B3 C 1064 CHIP CAP 39pF 50V CH GRM1882C1H390JA01D K22174225 1 B e3 C 1067 CHIP CAP 0 1uF 1...

Page 20: ... 1 B e2 C 1138 CHIP CAP 4pF 50V CH GRM1552C1H4R0CZ01D K22178206 1 B e2 C 1139 CHIP TA CAP 10uF 6 3V TEMSVA0J106M 8R K78080027 1 B c3 C 1141 CHIP CAP 220pF 25V CH GRM36CH221J25PT K22148203 1 B c3 C 1142 CHIP CAP 1uF 10V B ECJ1VB1A105K K22104806 1 B b3 C 1143 CHIP CAP 1uF 10V B ECJ1VB1A105K K22104806 1 B b2 C 1144 CHIP CAP 0 01uF 16V B GRM36B103K16PT K22128804 1 A C2 C 1145 CHIP CAP 10uF 6 3V B JMK2...

Page 21: ... 1215 CHIP CAP 0 1uF 10V B GRM36B104K10PT K22108802 1 B b3 C 1216 CHIP CAP 1uF 10V B ECJ1VB1A105K K22104806 1 B a2 C 1217 CHIP CAP 0 001uF 50V B GRM155B11H102KA01D K22178809 1 B d2 C 1218 CHIP CAP 0 01uF 16V B GRM36B103K16PT K22128804 1 A E3 C 1219 CHIP CAP 0 001uF 50V B GRM155B11H102KA01D K22178809 1 B a1 C 1220 CHIP TA CAP 10uF 6 3V TEMSVA0J106M 8R K78080027 1 B c3 C 1222 CHIP CAP 18pF 50V CH GR...

Page 22: ...K22178206 1 B c1 C 1297 CHIP CAP 0 1uF 10V B GRM36B104K10PT K22108802 1 B e1 C 1298 CHIP CAP 0 01uF 16V B GRM36B103K16PT K22128804 1 B e2 C 1299 CHIP CAP 27pF 50V CH GRM1552C1H270JZ01D K22178222 1 B c1 C 1300 CHIP CAP 15pF 50V CH GRM1552C1H150JZ01D K22178216 1 A E2 C 1301 CHIP CAP 15pF 50V CH GRM1552C1H150JZ01D K22178216 1 A E2 C 1302 CHIP TA CAP 4 7uF 16V TEMSVA1C475M 8R K78120031 1 A C3 C 1303 C...

Page 23: ...0 1uF 10V B GRM36B104K10PT K22108802 1 A C1 C 1368 CHIP TA CAP 10uF 6 3V TEMSVA0J106M 8R K78080027 1 B b2 C 1369 CHIP CAP 33pF 50V CH GRM1552C1H330JZ01D K22178224 1 B b1 C 1370 CHIP CAP 0 047uF 10V B GRM36B473K10PT K22108801 1 B c1 C 1371 CHIP CAP 0 001uF 50V B GRM155B11H102KA01D K22178809 1 B b2 C 1372 CHIP CAP 0 1uF 10V B GRM36B104K10PT K22108802 1 B b2 C 1374 CHIP CAP 0 1uF 10V B GRM36B104K10PT...

Page 24: ... DIODE 1SV323 TPH3 G2071006 1 B e2 D 1023 DIODE DAN222 TL G2070174 1 B c2 D 1024 DIODE 1SS400G T2R G2070934 1 B c2 D 1025 DIODE DA221 TL G2070178 1 B c2 D 1026 DIODE DA221 TL G2070178 1 A C2 D 1030 DIODE 1SV286 TPL3 G2070610 1 B d1 D 1032 DIODE 1SS400G T2R G2070934 1 B d1 D 1033 DIODE 1SV286 TPL3 G2070610 1 B e1 D 1034 DIODE 1SV286 TPL3 G2070610 1 B e1 D 1035 DIODE 1SV286 TPL3 G2070610 1 B e2 D 10...

Page 25: ... 047uH HK1608 47NJ T L1690524 1 B d2 L 1029 M RFC 0 047uH HK1608 47NJ T L1690524 1 B d2 L 1030 M RFC 0 047uH HK1608 47NJ T L1690524 1 B d2 L 1032 M RFC 0 22uH HK1608 R22J T L1690940 1 B d1 L 1033 M RFC 0 82uH LK1608 R82K T L1690417 1 A B2 L 1034 M RFC 1uH LK1608 1R0K T L1690687 1 B d2 L 1035 M RFC 0 22uH HK1608 R22J T L1690940 1 B d1 L 1036 M RFC 0 22uH HK1608 R22J T L1690940 1 B d1 L 1038 COIL 0 ...

Page 26: ...1 A B2 Q 1058 TRANSISTOR UMD5NTR G3070343 1 A C2 Q 1059 IC S 80835CNMC B8U T2 G1093606 1 A F2 Q 1060 IC TAR5S35U G1094096 1 A C3 Q 1061 IC TAR5S35U G1094096 1 A C3 Q 1062 TRANSISTOR DTC114TE TL G3070225 1 A E2 Q 1063 IC BR93L66RFVM WTR G1093874 1 A D1 Q 1064 TRANSISTOR 2SC4617 TL R G3346178R 1 A F2 Q 1065 IC TA31136FN EL G1091605 1 A C2 Q 1066 FET 2SK880GR TE85R G3808807G 1 B c2 Q 1067 IC LC87F5BP...

Page 27: ...HIP RES 0 1 16W 5 RMC1 16S JPTH J24189070 1 B e3 R 1093 CHIP RES 33k 1 16W 5 RMC1 16S 333JTH J24189043 1 A A3 R 1094 CHIP RES 220k 1 16W 5 RMC1 16S 224JTH J24189053 1 A A3 R 1095 CHIP RES 0 1 16W 5 RMC1 16S JPTH J24189070 1 B e3 R 1096 CHIP RES 0 1 16W 5 RMC1 16 000JATP J24185000 1 A D2 R 1098 CHIP RES 47k 1 16W 5 RMC1 16S 473JTH J24189045 1 A A3 R 1099 CHIP RES 47k 1 16W 5 RMC1 16S 473JTH J241890...

Page 28: ...S 56k 1 16W 5 RMC1 16S 563JTH J24189046 1 B b3 R 1187 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 B a3 R 1188 CHIP RES 100k 1 16W 5 RMC1 16S 104JTH J24189049 1 B a2 R 1189 CHIP RES 0 1 16W 5 RMC1 16S JPTH J24189070 1 B a3 R 1190 CHIP RES 330k 1 16W 5 RMC1 16S 334JTH J24189055 1 A C2 R 1191 CHIP RES 0 1 16W 5 RMC1 16S JPTH J24189070 1 B d2 R 1192 CHIP RES 220k 1 16W 5 RMC1 16S 224JTH J24189053...

Page 29: ... 2k 1 16W 5 RMC1 16S 822JTH J24189036 1 B e2 R 1265 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 B c1 R 1270 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 B c1 R 1271 CHIP RES 47k 1 16W 5 RMC1 16S 473JTH J24189045 1 A B2 R 1272 CHIP RES 2 2k 1 16W 5 RMC1 16S 222JTH J24189029 1 B d1 R 1273 CHIP RES 150 1 16W 5 RMC1 16S 151JTH J24189015 1 A B2 R 1274 CHIP RES 12k 1 16W 5 RMC1 16S 123JTH J241890...

Page 30: ... CHIP RES 3 3k 1 16W 5 RMC1 16S 332JTH J24189031 1 A B2 R 1338 CHIP RES 33k 1 16W 5 RMC1 16S 333JTH J24189043 1 A A1 R 1339 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 A C2 R 1340 CHIP RES 3 3k 1 16W 5 RMC1 16S 332JTH J24189031 1 A C1 R 1341 CHIP RES 68k 1 16W 5 RMC1 16S 683JTH J24189047 1 B c1 R 1342 CHIP RES 100k 1 16W 5 RMC1 16S 104JTH J24189049 1 A A1 R 1343 CHIP RES 1k 1 16W 5 RMC1 16S 10...

Page 31: ...E1 R 1403 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 A E3 R 1404 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 A D3 R 1405 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 A E3 R 1406 CHIP RES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 A D3 R 1407 CHIP RES 100k 1 16W 5 RMC1 16S 104JTH J24189049 1 A E1 R 1408 CHIP RES 12k 1 16W 5 RMC1 16S 123JTH J24189038 1 A C2 R 1409 CHIP RES 12k 1 16W 5 RMC1 1...

Page 32: ...6W 5 RMC1 16S 473JTH J24189045 1 A D2 R 1471 CHIP RES 0 1 16W 5 RMC1 16S JPTH J24189070 1 B a2 R 1476 CHIP RES 33k 1 16W 5 RMC1 16S 333JTH J24189043 1 A D2 R 1477 CHIP RES 68k 1 16W 5 RMC1 16S 683JTH J24189047 1 A D2 R 1478 CHIP RES 100k 1 16W 5 RMC1 16S 104JTH J24189049 1 A D2 R 1479 CHIP RES 100k 1 16W 5 RMC1 16S 104JTH J24189049 1 A D2 R 1480 CHIP RES 0 1 16W 5 RMC1 16S JPTH J24189070 1 B b1 R ...

Page 33: ...MIC 1 9 V EXT MIC 0 V PWR ON 5 0 V PWR OFF 0 V 7 4 V 3 8 V 25 C 6 9 V 2 8 V 25 C 3 0 V LED ON 4 4 V LED OFF 4 7 V LED ON 3 3 V LED OFF 0 V PWR ON 3 5 V PWR OFF 0 V RX 2 7 V TX 0 7 V 9 2 V p p 0 7 W 0 1 V p p 0 7 W 0 1 V p p 0 7 W LED B OFF 2 8 3 3 V LED B LOW 1 6 V LED B HI 1 4 V LED G OFF 2 7 3 3 V LED G LOW 1 8 V LED G HI 1 6 V LED R OFF 3 5 3 8 V LED R LOW 2 6 V LED R HI 2 5 V LAMP ON 3 1 V LAM...

Page 34: ...34 Display Unit Note ...

Page 35: ...35 Display Unit Parts Layout Side A 1 2 3 A B C D E F 4 DTC114TE 04 Q2008 2009 2010 2011 2012 2013 DA221 K D2014 2015 2016 2017 2018 2020 ...

Page 36: ... 4 2SA1602 MF Q2005 2SA1774 FR Q2019 LM2904PWR Q2014 TDA2822 Q2016 2017 2SD1767 DC Q2007 CD4053BPWR Q2015 PDTC114TE Q1023 1028 NJU6624AFG Q2006 DTC114TE 04 Q2001 2002 2023 DTC144EE 26 Q2022 RTQ030P02 Q2018 TAR5S50U Q2003 XP1501 5R Q2004 UMD12N Q2020 2021 ...

Page 37: ...R K78080027 1 B e2 C 2030 CHIP TA CAP 10uF 6 3V TEMSVA0J106M 8R K78080027 1 B e2 C 2031 CHIP CAP 0 1uF 10V B GRM36B104K10PT K22108802 1 B e2 C 2032 CHIP CAP 0 1uF 10V B GRM36B104K10PT K22108802 1 B e2 C 2033 CHIP CAP 0 1uF 10V B GRM36B104K10PT K22108802 1 B e2 C 2034 CHIP CAP 0 1uF 10V B GRM36B104K10PT K22108802 1 B e3 C 2035 CHIP CAP 0 001uF 50V B GRM155B11H102KA01D K22178809 1 B e2 C 2036 CHIP C...

Page 38: ...22 TRANSISTOR DTC144EE TL G3070075 1 B e2 Q 2023 TRANSISTOR DTC114TE TL G3070225 1 B d2 R 2001 CHIP RES 220 1 16W 5 RMC1 16S 221JTH J24189017 W LCD 1 B b1 R 2002 CHIP RES 220 1 16W 5 RMC1 16S 221JTH J24189017 W LCD 1 B a2 R 2003 CHIP RES 220 1 16W 5 RMC1 16S 221JTH J24189017 W LCD 1 B a2 R 2005 CHIP RES 39k 1 16W 5 RMC1 16S 393JTH J24189044 1 B d3 R 2006 CHIP RES 22k 1 16W 5 RMC1 16S 223JTH J24189...

Page 39: ... 5 RMC1 16S 222JTH J24189029 1 B e2 R 2059 CHIP RES 8 2k 1 16W 5 RMC1 16S 822JTH J24189036 1 B e2 R 2060 CHIP RES 8 2k 1 16W 5 RMC1 16S 822JTH J24189036 1 B e2 R 2061 CHIP RES 8 2k 1 16W 5 RMC1 16S 822JTH J24189036 1 B e2 R 2062 CHIP RES 8 2k 1 16W 5 RMC1 16S 822JTH J24189036 1 B e2 R 2063 CHIP RES 100k 1 16W 5 RMC1 16S 104JTH J24189049 1 B d2 R 2065 CHIP RES 100 1 16W 5 RMC1 16S 101JTH J24189013 ...

Page 40: ...1 R 2092 CHIP RES 18k 1 16W 5 RMC1 16S 183JTH J24189040 1 A B1 R 2093 CHIP RES 0 1 16W 5 RMC1 16S JPTH J24189070 1 S 2002 TACT SWITCH SKRTLAE010 N5090130 1 B f3 TH2001 THERMISTOR TH05 4B473FR G9090150 W LCD 1 B e3 REFLECTORSHEET RA0698000 W LCD 1 LIGHT GUIDE LCD RA0689100 W LCD 1 FRAME LCD RA068970A W LCD 1 INTERCONNECTOR RA0663700 W LCD 1 PAD LCD RA0727300 1 DESCRIPTION VALUE V W TOL VXSTD P N MF...

Page 41: ...ut DESCRIPTION VALUE V W TOL VXSTD P N MFR S DESIG VERS REF LOT SIDE LAY ADR Printed Circuit Board AC058N000 FR013270B C 5001 CHIP CAP 0 001uF 50V B GRM188B11H102KA01D K22174821 1 B MC5001 MIC ELEMENT EM 140 M3290032 1 A MIC HOLDER RUBBER C RA0725900 1 ...

Page 42: ...42 Copyright 2005 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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