Vertex Standard Yaesu FT-270R/E Technical Supplement Download

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FT-270R/E Technical Supplement

No portion of this manual
may be reproduced without
the permission of
VERTEX STANDARD CO., LTD.

Summary of Contents for Yaesu FT-270R/E

Page 1: ...elieve the information in this manual to be correct VERTEX STANDARD assumes no liability for damage 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 Contents FT 270R E VERTEX STANDARD CO LTD 4 8 8 Nakameguro Meguro Ku Tokyo 153 8644 Japan VERTEXSTANDARD US Headquart...

Page 2: ... x 1 26 D mm 60 x 120 x 32 mm W O knob antenna belt clip Weight 13 8 Oz 390 g with FNB 83 antenna and belt clip Transmitter RF Power Output 5 0 W High 2 0 W Middle 0 5 W Low 7 2 V Modulation Type Variable Reactance F2D F3E Maximum Deviation 5 0 kHz F2D F3E Spurious Emission At least 60 dB below Microphone Impedance 2 k ohm Receiver Circuit Type Double Conversion Superheterodyne Intermediate Freque...

Page 3: ...FLECTOR SHEET RA0578300 WASHER RA057840A RING NUT RA057730B x2 pcs SPACER RA0577400 x2 pcs TERMINAL RA1113500 WINDOW RA057710A HOLDER RA057700A RUBBER KNOB RA111430A DOUBLE FACE RA0434100 SHEET M4090185A SPEAKER RA0607200 SHEET PORON MAIN Unit RA1084700 O RING RA057720B LIGHT GUIDE RA1113200 PANEL RA0557900 SP NET RA0748900 O RING RA1063700 SPACER Ref VXSTD P N U9900068 U9900181 U24110002 U9900035...

Page 4: ...4 FT 270R E Technical Supplement Exploded View Miscellaneous Parts Note ...

Page 5: ...5 Block Diagram FT 270R E Technical Supplement ...

Page 6: ...6 Block Diagram FT 270R E Technical Supplement Note ...

Page 7: ... compares the squelch threshold level to that which set by the SQL knob While no carrier is received pin 71 of Q1001 HD64F2266TF13 remains low to disable audio out put from the speaker Transmit Signal Path The speech signal from the microphone is amplified by Q1074 LM2902PWR The amplified speech signal is sub jected to the low pass filter network Q1074 LM2902PWR and deviation controller Q1075 DTC1...

Page 8: ...ween the frequency divided os cillation frequency of the VCO circuit and comparative frequency and its output is a pulse corresponding to the phase difference This pulse is integrated by the charge pump and loop filter of D1012 DA221 and Q1016 DTC144EE into a control voltage VCV to control the oscillation frequency of the VCO ...

Page 9: ...ealignment determined to be abso lutely necessary Required Test Equipment The following test equipment and familiarity with its use is necessary for complete realignment Correction of problems caused by misalignment resulting from use of improper test equipment is not covered under the war ranty policy While most steps do not require all of the equipment listed the interactions of some adjustments...

Page 10: ...ss the keypad in the following sequence MHz 0 SET 2 CODE 2 CODE MR MW SKIP 8 Press the F key to cause A0 REF xxx A0 REF xxx A0 REF xxx A0 REF xxx A0 REF xxx to appear on the display for five seconds this signifies that the trans ceiver is now in the Alignment Mode PLL Reference Frequency 1 Rotate the DIAL knob to select the display to B0106 Press the F key then press the MR MW SKIP key to set the ...

Page 11: ... PWR xxx 6 With in five second of appearing the A2 PWR xxx A2 PWR xxx A2 PWR xxx A2 PWR xxx A2 PWR xxx on the display press the PTT switch to activate the transmitter adjust the DIAL knob so that the watt meter reading is 2 0 Watts 0 1 Watt 7 Increase the Transmit power level to HIGH 8 Press the F W key to recall the alignment parameter A2 PWR xxx A2 PWR xxx A2 PWR xxx A2 PWR xxx A2 PWR xxx 9 With...

Page 12: ...cond of appearing the A6 SM U A6 SM U A6 SM U A6 SM U A6 SM U D D D D D on the display press the MHz key Squelch Sensitivity 1 Rotate the DIAL knob to select the display to B0206 2 Inject a 146 050 MHz signal at a level of 12 dBμV with 1 kHz modulation 3 5 kHz deviation from the RF signal generator 3 Press the F W key then press the MR MW SKIP key to set the alignment parameter to A7 SQL U A7 SQL ...

Page 13: ... 1 95 V 1 95 V 1 95 V 5 13 V 1 48 V CHG PWR OFF 0 91 V CHG PWR OFF 1 53 V CHG 13 1 V CHG 13 8 V 13 5 V 4 90 V 4 86 V 0 99 V 16 0 dBμ 4 21 V 2 24 V 0 69 V 4 84 V 1 80 V 0 26 V 0 81 V TX 1 88 V TX 3 93 V TX H 2 33 V TX M 2 09 V TX L 1 85 V TX H 8 10 V TX M 8 14 V TX L 8 17 V TX H 3 04 V TX M 1 64 V TX L 0 59 V TX H 2 23 V TX M 1 25 V TX L 0 50 V TX 1 72 V 4 96 V 4 66 V 2 77 V 0 66 V 0 14 V 2 10 V 2 ...

Page 14: ...14 MAIN Unit FT 270R E Technical Supplement Note ...

Page 15: ...2 N D1024 2SA1774 FR Q1030 1031 1032 1034 1040 1059 2SC4617 BR Q1034 1038 1039 1042 1061 1062 1064 1065 1069 1076 1077 1079 2SC4915 QY Q1024 FMMTL718TA Q1041 2SB1132 BA Q1063 1078 DTA144EE 16 Q1033 1043 1058 1071 DTC144EE 26 Q1020 1021 1029 1044 1045 1057 1068 H 2SB1201S Q1037 2SD1664 DA Q1067 2SK3476 Q1009 BR24L64F Q1002 LM2904PWR Q1019 TDA28822 Q1008 ...

Page 16: ...81 1082 2SC5005 73 Q1011 1012 1013 1014 1017 DTC144EE 26 Q1015 1016 1025 1026 1047 1048 1049 1051 1070 1075 MB15A01PFV1 Q1003 NJM2591V Q1004 DA221 K D1012 1030 DAN222 N D1021 1022 1029 2SJ364 4M Q1056 2SK3074 WA Q1010 DTA144EE 16 Q1027 1054 1084 LM2904PWR Q1050 1083 LM2902PWR Q1046 1074 NJU7231F30 Q1007 XC6202P Q1080 BU2090FS Q1005 h 3SK296ZQ ZQ Q1022 1023 ...

Page 17: ...32 CHIPCAP 0 1uF 10V B GRM155B11A104KA01D K22108802 1 A G1 C 1033 CHIPCAP 0 001uF 50V B GRM155B11H102KA01D K22178809 1 A G1 C 1034 CHIPTA CAP 4 7uF 16V TEESVA1C475M8R K78120031 1 A F1 C 1035 CHIPCAP 0 001uF 50V B GRM155B11H102KA01D K22178809 1 A F1 C 1037 CHIPCAP 0 001uF 50V B GRM155B11H102KA01D K22178809 1 B b1 C 1038 CHIPCAP 47pF 50V CH GRM1552C1H470JZ01D K22178228 1 B c1 C 1039 CHIPCAP 43pF 50V...

Page 18: ...1 B c2 C 1107 CHIPCAP 0 001uF 50V B GRM155B11H102KA01D K22178809 1 B c2 C 1108 CHIPCAP 0 001uF 50V B GRM155B11H102KA01D K22178809 1 B c2 C 1109 CHIPCAP 1pF 50V CK GRM1554C1H1R0BZ01D K22178287 1 B c2 C 1110 CHIPCAP 1pF 50V CK GRM1554C1H1R0BZ01D K22178287 1 B c2 C 1111 CHIPCAP 0 5pF 50V CK GRM1554C1HR50BZ01D K22178285 1 B c1 C 1112 CHIPCAP 0 75pF 50V CK GRM1554C1HR75BZ01D K22178286 1 B c1 C 1113 CHI...

Page 19: ...AL ELECTRO CAP UWX1C101MCL1GB S8101395 36 B b2 C 1167 AL ELECTRO CAP 100uF 16V UWX1C101MCL1GB K48120032 44 B b2 C 1168 CHIPCAP 0 1uF 10V B GRM155B11A104KA01D K22108802 1 A G2 C 1169 AL ELECTRO CAP 100uF 10V RVZ 10V101MF55U R2 K48100008 1 B a3 C 1169 AL ELECTRO CAP UWX1C101MCL1GB S8101395 36 B a3 C 1169 AL ELECTRO CAP 100uF 16V UWX1C101MCL1GB K48120032 44 B a3 C 1170 CHIPCAP 0 001uF 50V B GRM155B11...

Page 20: ... c2 C 1225 CHIPCAP 0 0068uF 25V B GRM155B11E682KA01D K22148803 1 B d2 C 1226 CHIPCAP 100pF 50V CH GRM1552C1H101JD01D K22178236 1 B d2 C 1227 CHIPCAP 0 1uF 10V B GRM155B11A104KA01D K22108802 1 B d3 C 1228 CHIPCAP 0 001uF 50V B GRM155B11H102KA01D K22178809 1 B c1 C 1229 CHIPCAP 0 001uF 50V B GRM155B11H102KA01D K22178809 1 A E3 C 1230 CHIPCAP 0 001uF 50V B GRM155B11H102KA01D K22178809 1 B c4 C 1231 C...

Page 21: ...5 CHIPCAP 0 1uF 10V B GRM155B11A104KA01D K22108802 1 B d4 CD1001 CERAMICDISC JTBC450C7 H7901500 1 B g2 CD1001 CERAMICDISC JTBM450CX7 H7901520 17 B g2 CF1001 CERAMICFILTER LTWC450G H3900562 1 3 B g2 CF1002 CERAMICFILTER LTWC450F H3900563 1 B g3 D 1002 DIODE 1SS321 TE85R F G2070076 1 A G1 D 1003 DIODE RLS135 TE 11 G2070128 1 B b1 D 1004 DIODE RLS135 TE 11 G2070128 1 B a1 D 1007 DIODE 1SS400 TE61 G20...

Page 22: ... COIL E2 0 3 1 7 7T R L0022372 1 B b1 L 1004 M RFC 1uH ELJ ND1R0JF L1690977 1 A F1 L 1005 COIL E2 0 35 1 6 4T L L0022456 1 B b1 L 1006 COIL E2 0 45 1 4 4T L L0022391 1 B b1 L 1007 COIL E2 0 45 1 4 4T L L0022391 1 B c1 L 1008 COIL E2 0 25 1 9 8 5T L L0022611 1 B b1 L 1009 COIL E2 0 28 1 0 4 5T R L0022395 1 B c1 L 1010 COIL E2 0 28 1 0 8TR L0022423 1 B d1 L 1011 M RFC 0 047uH 2 C1608CB 47NG RF L1691...

Page 23: ...P G3070353 10 A G2 Q 1031 TRANSISTOR 2SA1774 TL R G3117748R 1 A F2 Q 1031 TRANSISTOR KTA2014E GR RTK P G3070353 10 A F2 Q 1032 TRANSISTOR 2SA1774 TL R G3117748R 1 A F2 Q 1032 TRANSISTOR KTA2014E GR RTK P G3070353 10 A F2 Q 1033 TRANSISTOR DTA144EE TL G3070074 1 A C2 Q 1033 TRANSISTOR KRA304E RTK P G3070354 10 A C2 Q 1034 TRANSISTOR 2SA1774 TL R G3117748R 1 A C2 Q 1034 TRANSISTOR KTA2014E GR RTK P ...

Page 24: ...354 10 A E3 Q 1072 TRANSISTOR 2SC4617 TL R G3346178R 1 B b3 Q 1072 TRANSISTOR KTC4075E GR RTK P G3070356 10 B b3 Q 1073 TRANSISTOR 2SC4617 TL R G3346178R 1 B b3 Q 1073 TRANSISTOR KTC4075E GR RTK P G3070356 10 B b3 Q 1074 IC LM2902PWR G1094009 1 B c3 Q 1075 TRANSISTOR DTC144EETL G3070075 1 B c2 Q 1075 TRANSISTOR KRC404E RTK P G3070355 10 B c2 Q 1076 TRANSISTOR 2SC4617 TL R G3346178R 1 A G4 Q 1076 T...

Page 25: ... 1 B f1 R 1050 CHIPRES 470k 1 16W 5 RMC1 16S 474JTH J24189057 1 B f1 R 1051 CHIPRES 22k 1 16W 5 RMC1 16S 223JTH J24189041 1 B g2 R 1052 CHIPRES 100k 1 16W 5 RMC1 16S 104JTH J24189049 1 B f2 R 1053 CHIPRES 220k 1 16W 5 RMC1 16S 224JTH J24189053 1 B g2 R 1054 CHIPRES 100 1 16W 5 RMC1 16S 101JTH J24189013 1 B g1 R 1055 CHIPRES 820k 1 16W 5 RMC1 16S 824JTH J24189060 1 B g1 R 1056 CHIPRES 47k 1 16W 5 R...

Page 26: ...43 1 B h2 R 1122 CHIPRES 470k 1 16W 5 RMC1 16S 474JTH J24189057 1 B e2 R 1123 CHIPRES 22k 1 16W 5 RMC1 16S 223JTH J24189041 1 B c2 R 1124 CHIPRES 33k 1 16W 5 RMC1 16S 333JTH J24189043 1 A C3 R 1125 CHIPRES 47k 1 16W 5 RMC1 16S 473JTH J24189045 1 A C2 R 1126 CHIPRES 3 3k 1 16W 5 RMC1 16S 332JTH J24189031 1 A C2 R 1127 CHIPRES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 B f2 R 1128 CHIPRES 1 5M 1 16W 5 ...

Page 27: ...9159 1 B c3 R 1192 CHIPRES 100k 1 16W 5 RMC1 16S 104JTH J24189049 1 A D3 R 1194 CHIPRES 100k 1 16W 0 5 RR0510R 104 D J24189167 1 A D2 R 1194 CHIPRES 100k 1 16W 0 5 MCR01MZPD1003 J24189386 46 A D2 R 1195 CHIPRES 56k 1 16W 5 RMC1 16S 563JTH J24189046 1 A E1 R 1196 CHIPRES 33k 1 16W 5 RMC1 16S 333JTH J24189043 1 B c2 R 1197 CHIPRES 100k 1 16W 5 RMC1 16S 104JTH J24189049 1 A E3 R 1198 CHIPRES 470k 1 1...

Page 28: ... RMC1 16S 124JTH J24189050 1 B c3 R 1263 CHIPRES 10k 1 16W 5 RMC1 16S 103JTH J24189037 1 A E3 R 1264 CHIPRES 39k 1 16W 5 RMC1 16S 393JTH J24189044 1 A E3 R 1265 CHIPRES 22k 1 16W 5 RMC1 16S 223JTH J24189041 1 B d2 R 1266 CHIPRES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 B c2 R 1267 CHIPRES 470k 1 16W 5 RMC1 16S 474JTH J24189057 1 B d2 R 1268 CHIPRES 47k 1 16W 5 RMC1 16S 473JTH J24189045 1 B d2 R 1269...

Page 29: ...6S 471JTH J24189021 1 B d2 R 1334 CHIPRES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 A D3 R 1335 CHIPRES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 A D3 R 1336 CHIPRES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 A D3 R 1337 CHIPRES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 A D3 R 1338 CHIPRES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 A D3 R 1339 CHIPRES 1k 1 16W 5 RMC1 16S 102JTH J24189025 1 A D3 R 1340 CHIPRES 1k 1...

Page 30: ...H1001 THERMISTOR TBPS1R103K440H5Q G9090067 1 B g1 TH1002 THERMISTOR TBPS1R104K475H5Q G9090069 1 B h2 TH1003 THERMISTOR TBPS1R473K475H5Q G9090068 1 A E1 X 1001 XTAL TRS 4 0 4MHz 4 000MHZ H0103283 1 B d2 X 1001 XTL XJNGGIDANF 4MHz 4 000000MHz H0103314 10 B d2 X 1002 XR0021250000T0051123 21 25MHz 21 25MHZ H0103303 1 B g1 XF1001 XTAL FILTER UM 5 3P 21R15AB H1102374 1 B e1 XF1001 XTAL FILTER UM 5 3P 21...

Page 31: ...31 FT 270R E Technical Supplement FTD 7 DTMF Paging Unit Option Circuit Diagram Parts Layout DTA144EE 16 Q6002 6005 DTC144EE 26 Q6004 2SC4617 BR 6003 BU8872FS Q6001 Side A Side B ...

Page 32: ...01 CONNECTOR AXK5F14545YJ P1091240 1 Q 6001 IC BU8872FS E2 G1093656 1 Q 6002 TRANSISTOR DTA144EE TL G3070074 1 Q 6003 TRANSISTOR 2SC4617 TL R G3346178R 1 Q 6004 TRANSISTOR DTC144EE TL G3070075 1 Q 6005 TRANSISTOR DTA144EE TL G3070074 1 R 6001 CHIP RES 4 7k 1 16W 5 RMC1 16S 472JTH J24189033 1 R 6002 CHIP RES 47k 1 16W 5 RMC1 16S 473JTH J24189045 1 R 6003 CHIP RES 100k 1 16W 5 RMC1 16S 104JTH J24189...

Page 33: ......

Page 34: ...14 FT 270R E Technical Supplement Copyright 2010 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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