Yaesu VX-2R Technical Supplement Download Page 20 | Manualshive

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MAIN Unit

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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, 1030)

EMB3 (B3)

(Q1029)

UMW1 (W1)

(Q1064)

M62364FP

(Q1010)

MB15A01PFV1

(Q1034)

TA31136FN

(Q1033)

MM1438BWLE

(Q1077)

NJM2135V

(Q1079)

RH5RH651

(Q1069)

TAR5S30

(Q1063)

1SS3621 (C3)

(Q1001, 1002)

DA221M (K)

(D1042, 1049, 1050)

DAN222M (N)

(D1041, 1043, 1045,

1046, 1047, 1048)

DAP222M

(D1037)

HN2D01FU (A1)

(D1040)

UMP11N (P11)

(D1072, 1073)

MCH6305 (JE)

(Q1073)

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Summary of Contents for VX-2R

Page 1: ... 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 design of the VX 2R 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 Alignment Mode menu While we believe the ...

Page 2: ... 2 7 0 V Negative Ground EXT DC Jack 5 5 7 0 V Negative Ground EXT DC Jack with Charging Current Consumption 150 mA Receive 58 mA Standby Saver Off 20 mA Standby Saver On 200 µA Auto Power Off 1 3 A 1 5 W Tx 144 MHz 3 7 V DC 1 8 A 3 W Tx 144 MHz 6 0 V DC 1 2 A 1 W Tx 430 MHz 3 7 V DC 1 5 A 2 W Tx 430 MHz 6 0 V DC Operating Temperature 4 F to 140 F 20 C to 60 C Case Size W x H x D 1 9 x 3 2 x 0 9 i...

Page 3: ... dB SINAD 150 174 MHz NFM 1 µV TYP for 12 dB SINAD 174 222 MHz WFM 0 5 µV for 12 dB SINAD 300 350 MHz NFM 0 2 µV for 12 dB SINAD 350 400 MHz NFM 0 18 µV for 12 dB SINAD 400 470 MHz NFM 1 5 µV for 12 dB SINAD 470 540 MHz WFM 3 µV TYP for 12 dB SINAD 540 800 MHz WFM 1 5 µV TYP for 12 dB SINAD 800 999 MHz NFM USA Version Cellular Blocked Selectivity NFM AM 12 kHz 35 kHz 6 dB 60 dB WFM 200 kHz 300 kHz...

Page 4: ...REW M2X11NI 3 QTY 1 1 1 2 2 3 1 1 1 RA0023500 RING NUT SMA RA0503100 RUBBER CAP SP RA0504400 ENCODER KNOB RA0504000 FRAME LCD RA0503500 LIGHT GUIDE LCD G6090152 LCD RA050410A INTER CONNECTOR RA0514400 HOLDER ASSY RA0503200 RUBBER CAP DC RA0503800 COVER CP7639001 CHASSIS ASSY RA0512100 BATTERY COVER ASSY FILTER UNIT MAIN UNIT SW UNIT RA0503000 RUBBER KNOB KEY RA0503600 LATCH NAIL RA0503300 RUBBER K...

Page 5: ...5 Connection Diagram Downloaded by RadioAmateur EU ...

Page 6: ...6 Block Diagram Downloaded by RadioAmateur EU ...

Page 7: ...ter cir cuit UHF T R switch circuit and protector diode D1001 1SS362 before additional filtering by a band pass filter prior to application to RF amplifier Q1004 2SC5555 The amplified RF signal is passed through a band pass filter RF amplifier Q1008 2SC5555 and another band pass filter to first mixer Q1013 2SC5555 Meanwhile the first local signal for the UHF band from the VCO UNIT is amplified by ...

Page 8: ...itch es on causing the BUSY TX lamp D1004 CL 165 to light Transmitter Signal Flow 1 145 MHz Band T R Switching Closing PTT switch S3001 on the SW UNIT pulls the base of Q1007 DTA114EM low causing the collector to go high This signal is fed to pin 45 PTT of CPU Q1076 HD64F2266 allowing the CPU to recognize that the PTT switch has been pushed When the CPU detects closure of the PTT switch pin 70 TX ...

Page 9: ...ence signal produced by X1001 is fed to REF pin 1 of the PLL IC Q1034 MB15A01PFV The internal reference frequency divider divides the 11 7 MHz refer ence by 2 050 or 1 640 to obtain a reference frequency of 5 kHz or 6 25 kHz which is applied to the phase com parator Meanwhile a sample of the output of VHF VCO Q4004 or UHF VCO Q4002 both EC3H07B on the VCO UNIT buffered by Q4007 DTC144ZE is fed to ...

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

Page 11: ...ment resulting from use of im proper test equipment is not covered under the warranty policy While most steps do not require all of the equip ment listed the interactions of some adjustments may re quire that more complex adjustments be performed after wards Do not attempt to perform only a single step unless it is clearly isolated electrically from all other steps Have all test equipment ready be...

Page 12: ...hen press the V M key r Rotate the DIAL knob to select the next setting Squelch Preset Tight tIg r Press the V M key r Adjust the generator level for a 5 dBµ signal leaving the modulation level unchanged then press the F W key r Press the F W key again then press the V M key r Rotate the DIAL knob to select the next setting Low Scale S 1 Adjustment S1 r Press the V M key r Adjust the generator lev...

Page 13: ...he DIAL knob to select the Menu Item HHP then press the F W key TX High Power High Band Edge 6 0 V Adjustment HHP r Set the DC power supply voltage to 6 0 V r Press the V M key r Transmit and adjust the output power level for 2 0 W 0 2 W by rotating the DIAL knob then press the V M key r Rotate the DIAL knob to select the next setting TX High Power High Band Edge 4 4 V Adjustment LHP r Set the DC ...

Page 14: ...ey again then press the V M key r Rotate the DIAL knob to select the next setting Wide FM Low Scale S 1 Adjustment S1 r Press the V M key r Adjust the generator level to 8 dBµ 1 kHz tone 20 kHz deviation then press the F W key r Press the F W key again then press the V M key r Rotate the DIAL knob to select the next setting Wide FM S Meter Full Scale Adjustment S9 r Press the V M key r Adjust the ...

Page 15: ... DIAL knob to select the next setting CTCSS Tone 67 0 Hz Deviation Low Band Edge Adjustment 670 r Press the V M key r Transmit and adjust the deviation for 0 6 kHz 0 05 kHz by rotating the DIAL knob then press the V M key r Rotate the DIAL knob to select the next setting CTCSS Tone 123 0 Hz Deviation Low Band Edge Adjustment 123 r Press the V M key r Transmit and adjust the deviation for 0 6 kHz 0...

Page 16: ... CTCSS Tone 123 0 Hz Deviation High Band Edge Adjustment 123 r Press the V M key r Transmit and adjust the deviation for 0 6 kHz 0 05 kHz by rotating the DIAL knob then press the V M key r Rotate the DIAL knob to select the next setting CTCSS Tone 254 1 Hz Deviation High Band Edge Adjustment 254 r Press the V M key r Transmit and adjust the deviation for 0 6 kHz 0 05 kHz by rotating the DIAL knob ...

Page 17: ... 9 V 0 V 3 0 V TX 0 2 V TX 0 9 V TX 1 7 V 4 4 V 4 1 V 4 1 V 3 6 V 3 9 V CHARGE 3 0 V 0 V 1 6 V 1 7 V 1 7 V BUSY 3 0 V SQL ON 0 V 3 9 V 3 0 V 2 9 V 0 V 0 V 3 0 V 3 0 V 4 1 V 3 0 V 3 4 V 3 1 V 6 5 V 3 0 V RX 2 9 V TX 0 V RX 2 3 V TX 2 8 V RX 0 V TX 2 9 V 0 V 3 0 V 1 6 V 0 1 V 0 7 V 2 8 V 1 5 V 1 2 V 3 0 V BUSY 0 V SQL ON 3 0 V 3 0 V 2 3 V 1 6 V 2 2 V RX 2 6 V TX 0 V 3 0 V RX 0 V TX 2 9 V RX 0 V TX 2...

Page 18: ...18 MAIN Unit ...

Page 19: ...N Q1080 BU4094BCFV Q1059 1060 DTA144EM 16 Q1007 DTC143TE E23 Q1006 DTC144EM 26 Q1003 1038 1043 1052 1072 1074 1084 HD64F2266TF13 Q1076 KRX202U Q1007 NJM3403AV Q1083 NJM12904R Q1082 NJU7007F2 Q1016 NJU7231F30 Q1068 S 80830CNMC Q1066 1067 UMD6N D6 Q1054 UMW1 W1 Q1001 EMB3 B3 Q1037 1047 1048 1051 1058 EMG2 G2 Q1049 1055 EMB10 B10 Q1056 DA221M K D1007 1008 1009 1010 1054 1055 1078 1SS385 09 D1056 DAN2...

Page 20: ... 1005 1008 1013 1014 DTA144EM 16 Q1036 DTC144EM 26 Q1031 1039 CPH6102 AB Q1061 1078 EMG2 G2 Q1018 1030 EMB3 B3 Q1029 UMW1 W1 Q1064 M62364FP Q1010 MB15A01PFV1 Q1034 TA31136FN Q1033 MM1438BWLE Q1077 NJM2135V Q1079 RH5RH651 Q1069 TAR5S30 Q1063 1SS3621 C3 Q1001 1002 DA221M K D1042 1049 1050 DAN222M N D1041 1043 1045 1046 1047 1048 DAP222M D1037 HN2D01FU A1 D1040 UMP11N P11 D1072 1073 MCH6305 JE Q1073 ...

Page 21: ...MK105B102KW F K22178829 1 A C6 C 1036 CHIP CAP 0 0047uF 25V B TMK105B472KW F K22148831 1 A C6 C 1037 CHIP CAP 0 001uF 50V B UMK105B102KW F K22178829 1 A C6 C 1038 CHIP CAP 0 001uF 50V B UMK105B102KW F K22178829 1 A C5 C 1039 CHIP CAP 1pF 50V CK UMK105CK010CW F K22178248 1 A B6 C 1040 CHIP CAP 2pF 50V CK UMK105CK020CW F K22178250 1 A B6 C 1041 CHIP CAP 22pF 50V CH UMK105CH220JW F K22178266 1 B d4 C...

Page 22: ...7 C 1108 CHIP CAP 0 0022uF 50V B UMK105B222KW F K22178833 1 A C7 C 1109 CHIP CAP 1uF 10V F GRM39F105Z10PT K22105001 1 A E7 C 1110 CHIP CAP 2pF 50V CK UMK105CK020CW F K22178250 1 B a3 C 1111 CHIP CAP 0 01uF 16V B GRM36B103K16PT K22128804 1 B b4 C 1112 CHIP CAP 1uF 10V F GRM39F105Z10PT K22105001 1 A A6 C 1113 CHIP CAP 0 01uF 16V B GRM36B103K16PT K22128804 1 B a4 C 1114 CHIP CAP 0 01uF 16V B GRM36B10...

Page 23: ...1184 CHIP CAP 0 1uF 10V B GRM36B104K10PT K22108802 1 B b6 C 1185 CHIP CAP 0 0022uF 50V B UMK105B222KW F K22178833 1 B b6 C 1186 CHIP CAP 0 01uF 16V B GRM36B103K16PT K22128804 1 B a6 C 1187 CHIP CAP 7pF 50V CH UMK105CH070DW F K22178255 1 B c6 C 1188 CHIP CAP 0 01uF 16V B GRM36B103K16PT K22128804 1 B c6 C 1190 CHIP CAP 1uF 10V F GRM39F105Z10PT K22105001 1 B d6 C 1191 CHIP TA CAP 0 1uF 20V SKF 1D104M...

Page 24: ...CHIP CAP 0 001uF 50V B UMK105B102KW F K22178829 1 B d3 C 1263 CHIP CAP 1uF 10V F GRM39F105Z10PT K22105001 1 A D3 C 1264 AL ELECTRO CAP 47uF 16V RV4 16V470MF46 RR2 K48120019 1 B a3 C 1265 CHIP CAP 0 001uF 50V B UMK105B102KW F K22178829 1 A D1 C 1266 CHIP CAP 0 001uF 50V B UMK105B102KW F K22178829 1 A C2 C 1267 CHIP TA CAP 22uF 4V TESVSP0G226M 8R K78060047 1 B b3 C 1268 CHIP CAP 0 001uF 50V B UMK105...

Page 25: ...CAP 0 001uF 50V B UMK105B102KW F K22178829 1 A B2 C 1333 CHIP CAP 0 001uF 50V B UMK105B102KW F K22178829 1 A B1 C 1334 CERAMIC CAP 0 001uF 50V B UP050B102K A B K28179001 1 C 1335 CHIP CAP 0 001uF 50V B UMK105B102KW F K22178829 1 C 1336 CHIP CAP 0 001uF 50V B UMK105B102KW F K22178829 1 C 1337 CHIP CAP 0 001uF 50V B GRM39B102M50PT K22174809 1 C 1338 CHIP CAP 100pF 50V CH GRM39CH101J50PT K22174235 1 ...

Page 26: ... 1072 DIODE UMP11N TN G2070646 1 B c5 D 1073 DIODE UMP11N TN G2070646 1 B c5 D 1074 DIODE M1FM3 4063 G2070804 1 B a4 D 1075 DIODE M1FM3 4063 G2070804 1 B b2 D 1076 DIODE 1SS400G T2R G2070934 1 B d5 D 1077 DIODE 1SS400G T2R G2070934 1 B d5 D 1078 DIODE DA221M T2L G2070940 1 A A2 D 1079 DIODE 1SS400G T2R G2070934 1 A D3 D 1080 DIODE 1SS400G T2R G2070934 1 B a6 DS1001 LCD 64210 G6090152 1 A C2 FB1001...

Page 27: ...K L1690661 1 B b2 L 1049 COIL E2 0 35 1 4 3 5T L B L0022729 1 B d2 L 1050 COIL E2 0 35 1 4 3 5T L B L0022729 1 B d2 L 1051 COIL E2 0 25 1 9 6 5T L L0022401 1 B c2 L 1052 COIL E2 0 25 1 9 6 5T L L0022401 1 B c2 L 1053 COIL E2 0 35 1 6 4T L L0022456 1 B d1 L 1054 COIL E2 0 25 1 9 6 5T L L0022401 1 B d2 L 1055 COIL E2 0 35 1 6 4T L L0022456 1 B d1 L 1056 COIL E2 0 25 1 9 6 5T L L0022401 1 B d1 L 1057...

Page 28: ... T2 G1093618 1 A D2 Q 1068 IC NJU7231F30 TE1 G1093512 1 A D2 Q 1069 IC RH5RH651A T1 G1092598 1 B b3 Q 1070 TRANSISTOR 2SA1774 TL R G3117748R 1 A C5 Q 1071 TRANSISTOR 2SC4617 TL R G3346178R 1 A C6 Q 1072 TRANSISTOR DTC144EM T2L G3070309 1 A A2 Q 1073 FET MCH6305 TL G3070301 1 B b3 Q 1074 TRANSISTOR DTC144EM T2L G3070309 1 A B3 Q 1075 TRANSISTOR 2SC4617 TL R G3346178R 1 A C6 Q 1076 IC HD64F2266TF13 ...

Page 29: ...55 CHIP RES 47k 1 16W 5 RMC1 16S 473JTH J24189045 1 A D6 R 1056 CHIP RES 330k 1 16W 5 RMC1 16S 334JTH J24189055 1 A D6 R 1057 CHIP RES 100k 1 16W 5 RMC1 16S 104JTH J24189049 1 A C5 R 1058 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 A D6 R 1059 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 A D6 R 1060 CHIP RES 47k 1 16W 5 RMC1 16S 473JTH J24189045 1 A D7 R 1061 CHIP RES 33k 1 16W 5 RMC1 16S...

Page 30: ...1131 CHIP RES 100k 1 16W 5 RMC1 16S 104JTH J24189049 1 B c6 R 1132 CHIP RES 1M 1 16W 5 RMC1 16S 105JTH J24189061 1 B d7 R 1133 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 B d8 R 1134 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 B d7 R 1135 CHIP RES 220 1 16W 5 RMC1 16S 221JTH J24189017 1 B a6 R 1136 CHIP RES 100k 1 16W 5 RMC1 16S 104JTH J24189049 1 A B3 R 1137 CHIP RES 1 5k 1 16W 5 RMC1 1...

Page 31: ...04 CHIP RES 330k 1 16W 0 5 MCR01MZPD3303 J24189330 1 A B2 R 1205 CHIP RES 100k 1 16W 5 RMC1 16S 104JTH J24189049 1 A A2 R 1206 CHIP RES 68k 1 16W 0 5 RR0510R 683 D J24189163 1 A A2 R 1208 CHIP RES 47k 1 16W 5 RMC1 16S 473JTH J24189045 1 A B3 R 1209 CHIP RES 2 2k 1 16W 5 RMC1 16S 222JTH J24189029 1 A D3 R 1210 CHIP RES 1M 1 16W 5 RMC1 16S 105JTH J24189061 1 A D3 R 1211 CHIP RES 220 1 16W 5 RMC1 16S...

Page 32: ...89037 1 R 1250 CARBON FILM RES 100k 1 6W 5 RD16TPJ104 100K J07225104 1 S 1008 ROTARY ENCODER TP70D00E20 RY 7344 Q9000801 1 B a1 TH1001 THERMISTOR ERTJ1VV473J G9090122 1 B d6 TH1002 THERMISTOR ERTJ1VV473J G9090122 1 A B4 X 1001 XTAL TSS 6 11 7MHz TSS 5032A 11 7MHZ H0103264 1 B d6 X 1002 XTAL AT 38 3 579545MHz 3 579545MHZ H0103292 1 A D3 XF1001 XTAL FILTER 47 25MHz MF47R2 47 25MHZ H1102347 1 B a4 IN...

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: ...TL G3070075 1 A A2 Q 2006 TRANSISTOR 2SC4154 T11 1E G3341548E 1 A A1 Q 2007 TRANSISTOR DTC144EE TL G3070075 1 A C1 Q 2008 TRANSISTOR DTC144EE TL G3070075 1 A C2 R 2001 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 A A1 R 2002 CHIP RES 680 1 16W 5 RMC1 16S 681JTH J24189023 1 A A1 R 2003 CHIP RES 560k 1 16W 5 RMC1 16S 564JTH J24189058 1 A A1 R 2004 CHIP RES 47k 1 16W 5 RMC1 16S 473JTH J24189045 1...

Page 36: ...36 Filter Unit Note ...

Page 37: ...1 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 8 V ...

Page 38: ...0PT K22108802 1 B c1 D 3001 LED 19 215UYOC S530 A2 TR8 G2070884 1 B b2 L 3001 M RFC 0 047uH ELJ RE47NJF2 L1690722 1 B c1 L 3002 M RFC 0 0068uH 5 C1608CA 6N8J L1691093 1 B c1 L 3003 M RFC 0 0033uH ELJ RE3N3DF2 L1690708 1 B b1 L 3004 M RFC 0 022uH TFL0510 22N L1690815 1 B c1 L 3005 COIL E2 0 25 1 9 6 5T L L0022401 1 B b1 Q 3001 TRANSISTOR 2SC5226 5 TL G3352268E 1 B c1 Q 3002 FET 2SK3079A TE12L G3830...

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: ...A B2 C 4033 CHIP CAP 5pF 50V CH UMK105CH050CW F K22178253 1 A B2 C 4034 CHIP CAP 0 01uF 16V B GRM36B103K16PT K22128804 1 A B3 C 4035 CHIP CAP 0 01uF 16V B GRM36B103K16PT K22128804 1 A C2 C 4036 CHIP CAP 47pF 50V CH UMK105CH470JW F K22178274 1 A B2 C 4037 CHIP CAP 10pF 50V CH UMK105CH100DW F K22178258 1 A B2 C 4038 CHIP CAP 15pF 50V CH UMK105CH150JW F K22178262 1 A B2 C 4039 CHIP CAP 0 001uF 50V B ...

Page 42: ...4189037 1 A A2 R 4009 CHIP RES 100k 1 16W 5 RMC1 16S 104JTH J24189049 1 A A2 R 4010 CHIP RES 470 1 16W 5 RMC1 16S 471JTH J24189021 1 A A3 R 4011 CHIP RES 2 2k 1 16W 5 RMC1 16S 222JTH J24189029 1 A A2 R 4012 CHIP RES 100 1 16W 5 RMC1 16S 101JTH J24189013 1 A B2 R 4013 CHIP RES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 A A2 R 4014 CHIP RES 100 1 16W 5 RMC1 16S 101JTH J24189013 1 A B3 R 4016 CHIP RES 1...

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 ...

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