Yaesu FT-2800M, Technical Supplement

Page 1: ...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 2007 VERTEX STANDARD CO LT...

Page 2: ...ure Range 4 F to 140 F 20 C to 60 C Case Size WxHxD 6 3 x 2 0 x 7 3 160 x 50 x 185 mm w o knobs Weight Approx 4 0 lb 1 8 kg Transmitter Output Power 65 W 25 W 10 W 5 W Modulation Type Variable Reactan...

Page 3: ...M ASSY S8002052 KNOB VOL S8002053 KNOB DIAL S8002052 KNOB VOL S8101433 SPEAKER S8101435 CABLE with BLADE FUSE S8002064 SPACER S8002055 PLATE EARTH S8002057 CASE MAIN S8002056 REFLECTOR COM Unit S80020...

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

Page 5: ...Block Diagram...

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

Page 7: ...2nd local oscillator lim iter amplifier FM detector noise amplifier S meter am plifier and squelch gates The 2nd local in the IF IC is produced from crystal X302 21 250 MHz and the 1st IF is converted...

Page 8: ...313 2SK3075 and power amplifier Q305 RD70HVS1 to obtain full RF output The RF energy then passes through antenna switch D303 XB15A407 and a low pass filter circuit and finally to the antenna connector...

Page 9: ...ent and thorough familiarity with its correct use is necessary for complete realign ment Correction of problems caused by misalignment resulting from use of improper test equipment is not cov ered und...

Page 10: ...save the new setting 5 Press and hold the MHz key for one second to exit to the normal operation PLL VCO 1 Connect the DC voltmeter to TP RVC on the RF Unit 2 Tune the frequency to 146 000 MHz 3 Adju...

Page 11: ...from the RF Signal Generator 3 Press and hold the LOW key for one second to save the new setting 4 Rotate the DIAL knob one click to clockwise to set the Alignment parameter to SMTL 2 5 Reduce the RF...

Page 12: ...E W TONE N 1 Tune the transceiver to 146 000 MHz 2 Set the CTCSS tone to 100 Hz Press and hold the MHz key for one second to activate the Set Menu mode Rotate the DIAL knob to select 27 SQ TNF Press t...

Page 13: ...COM Unit RF Unit Circuit Diagram...

Page 14: ...COM Unit RF Unit Circuit Diagram Note...

Page 15: ...B 2SJ144Y VY Q101 107 135 NJM2902V Q102 DTC144EU 26 Q103 104 130 136 137 NJM2904V Q105 BU4094BCFV Q106 109 2SC4617R BR Q110 111 115 130 132 CAT24WC64JI Q112 1SS302 C3 D101 102 116 118 DAP202U P D104...

Page 16: ...TB Q113 R114 C114 C119 C132 R167 R146 R192 R191 R184 R189 R183 R182 C151 C150 R180 Q109 Q106 Q112 Q105 Q102 Q115 Q116 X101 R148 Q135 R201 C155 C161 R209 R151 R139 R136 R137 R138 L104 L106 C124 C122 C1...

Page 17: ...a b c d e f g 1 2 Side A Side B 2SJ144Y VY Q101 107 135 NJM2902V Q102 DTC144EU 26 Q103 104 130 136 137 NJM2904V Q105 BU4094BCFV Q106 109 2SC4617R BR Q110 111 115 130 132 CAT24WC64JI Q112 1SS302 C3 D1...

Page 18: ...18 Note...

Page 19: ...1 C 131 CHIP CAP 1uF 10V B GRM188B11A105KA61D S8101390 1 C 132 CHIP CAP 1uF 10V B GRM188B11A105KA61D S8101390 1 C 133 CHIP CAP 0 001uF 50V B GRM188B11H102KA01D K22174821 1 C 134 AL ELECTRO CAP 100uF...

Page 20: ...C 4 7uH LK1608 4R7K T L1690688 1 L 105 M RFC 4 7uH LK1608 4R7K T L1690688 1 L 106 M RFC 4 7uH LK1608 4R7K T L1690688 1 Q 101 FET 2SJ144Y TE85R F G3701447Y 1 Q 102 IC NJM2902V TE1 G1091679 1 Q 103 TRAN...

Page 21: ...IP RES 47k 1 16W 5 RMC1 16 473JATP J24185473 TYPE A1 19 R 151 CHIP RES 47k 1 16W 5 RMC1 16 473JATP J24185473 TYPE A2 19 R 151 CHIP RES 220k 1 16W 5 RMC1 16 224JATP J24185224 TYPE A3 19 R 151 CHIP RES...

Page 22: ...HIP RES 3 3k 1 16W 5 RMC1 16 332JATP J24185332 47 R 212 CHIP RES 0 1 16W 5 RMC1 16 000JATP J24185000 1 R 220 CHIP RES 100k 1 16W 5 RMC1 16 104JATP J24185104 1 R 221 CHIP RES 390k 1 16W 5 RMC1 16 394JA...

Page 23: ...23 A B C D E F G 1 2 3 4 5 Side A RD70HVF1 Q306 2SB1197K AH Q303 307 DTC144EU 26 Q304 324 DTA114EU 14 Q325 326 2SC5006 24 Q320 322 323 RF Unit Parts Layout Lot 1 15...

Page 24: ...24 a b c d e f g 1 2 3 4 5 Side B 1SS312 D302 311 RF Unit Parts Layout Lot 1 15...

Page 25: ...D307 C351 Q306 C378 C372 C372 R333 C366 C315 C333 L308 C535 R440 X302 C424 F302 F301 D308 C427 D315 C443 R391 R390 C440 L318 L340 C534 R383 C430 R389 R396 R375 C538 R398 C340 D305 C343 R377 C374 R470...

Page 26: ...57 C507 C498 C503 C501 C506 R458 C511 Q333 Q334 R342 L322 C392 R330 C312 R303 C308 R479 R305 L320 D302 D329 R482 C451 C449 C448 Q331 R417 C502 C499 C508 C510 C329 C339 L332 Q310 Q317 Q328 Q315 C359 C3...

Page 27: ...27 A B C D E F G 1 2 3 4 5 Side A RD70HVF1 Q306 2SB1197K AH Q303 307 DTC144EU 26 Q304 324 DTA114EU 14 Q325 326 2SC5006 24 Q320 322 323 RF Unit Parts Layout Lot 57...

Page 28: ...28 a b c d e f g 1 2 3 4 5 Side B 1SS312 D302 311 RF Unit Parts Layout Lot 57...

Page 29: ...92 1 C 336 CHIP CAP 0 001uF 50V B GRM188B11H102KA01D K22174821 1 C 337 CHIP CAP 0 001uF 50V B GRM188B11H102KA01D K22174821 1 C 338 CHIP CAP 0 001uF 50V B GRM188B11H102KA01D K22174821 1 C 339 CHIP CAP...

Page 30: ...CAP 0 001uF 50V B GRM188B11H102KA01D K22174821 1 C 408 CHIP CAP 0 001uF 50V B GRM188B11H102KA01D K22174821 1 C 409 AL ELECTRO CAP EMV 250ADA4R7MB55G S8101397 1 C 410 CHIP CAP 100pF 50V CH GRM1882C1H10...

Page 31: ...1 C 483 CHIP CAP 0 01uF 50V B GRM188B11H103KA01D K22174823 1 C 484 CHIP CAP 0 01uF 50V B GRM188B11H103JA01D K22174824 TYPE B3 19 C 485 CHIP CAP 0 001uF 50V B GRM188B11H102KA01D K22174821 1 C 486 CHIP...

Page 32: ...188B11H103KA01D K22174823 50 C 563 CHIP CAP 10pF 50V CH GRM1882C1H100JA01D K22174211 51 C 564 CERAMIC CAP 0 001uF 50V B UP050B102K A B K28179001 70 D 301 SURGE ABSORBER P6KE18A Q9000630 1 D 302 DIODE...

Page 33: ...7uH LK1608 4R7K T L1690688 1 L 342 INDUCTOR MLF1608DR22KT S8101412 1 L 343 M RFC 0 0056uH LL1608 FSL5N6S L1690858 TYPE B1 19 L 343 M RFC 0 0056uH LL1608 FSL5N6S L1690858 TYPE B2 19 Q 301 TRANSISTOR 2S...

Page 34: ...5 RMC1 16 471JATP J24185471 1 R 335 CHIP RES 5 6k 1 16W 5 RMC1 16 562JATP J24185562 1 R 336 CHIP RES 220 1 16W 5 RMC1 16 221JATP J24185221 1 R 337 CHIP RES 4 7k 1 16W 5 RMC1 16 472JATP J24185472 1 R 3...

Page 35: ...47k 1 16W 5 RMC1 16 473JATP J24185473 1 R 406 CHIP RES 2 7k 1 16W 5 RMC1 16 272JATP J24185272 1 R 407 CHIP RES 220k 1 16W 5 RMC1 16 224JATP J24185224 1 R 408 CHIP RES 470k 1 16W 5 RMC1 16 474JATP J24...

Page 36: ...IP RES 22k 1 16W 5 RMC1 16 223JATP J24185223 37 R 476 CHIP RES 10k 1 16W 5 RMC1 16 103JATP J24185103 1 R 477 CHIP RES 10k 1 16W 5 RMC1 16 103JATP J24185103 1 R 479 CHIP RES 4 7k 1 16W 5 RMC1 16 472JAT...

Page 37: ...M 1 16W 5 RMC1 16 225JATP J24185225 1 R 518 THERMISTOR TBPS1R473J475H5Q S8101388 1 R 519 CHIP RES 0 1 16W 5 RMC1 16 000JATP J24185000 1 R 520 CHIP RES 560k 1 10W 5 RMC1 10T 564J J24205564 1 R 521 CHIP...

Page 38: ...38 REF DESCRIPTION VALUE V W TOL MFR S DESIG VXSTD P N VERS LOT SIDE LAY ADR Note...

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Page 40: ...14 Copyright 2007 VERTEX STANDARD CO LTD All rights reserved No portion of this manual may be reproduced without the permission of VERTEX STANDARD CO LTD Printed in Japan...