Icom Ic-r2 Communications Reciever Service Manual
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SECTION 10 BLOCK DIAGRAM 10 - 1 COMMON Q509: DTA144EE RF UNIT0.495-1.8995MHz D68: 1SV172 LIM LPF 0.495-29.995MHzD69: MA2S077D13: 1SV308 D73: 1SV308 D75: 1SV308 BANDSW15-29.995MHz 1.9-14.995MHz D64: MA2S077 D67: MA2S077 D70: MA2S077 D63: MA2S077 D65: MA2S077 D66: MA2S077 B1_3V B2_3V B3_3V RXBAND RXBANDSW SW Q505: 2SC4215 Q506: DTA144EEQ504: XP1113 Q40: 2SC5231 800M3V G3V VHF3V UHF3V 300M3V RXBAND RXBAND RXBAND Q501: DTA144EEQ502: XP1113Q503: XP1113 B1 B2 B3 HFC RXBAND SW IC4: UPC2746T Q29: DTC144EE 300MC...
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SECTION 11 VOLTAGE DIAGRAM 11 - 1 • LOGIC UNIT 1 COM0 COM1 COM2 COM3 SEG3 SEG31 SEG30 SEG29 SEG28 SEG27 SEG26 SEG25 SEG24 SEG23 SEG22 SEG21 SEG20 SEG19 SEG18 SEG17 SEG16 SEG15 SEG14 SEG13 SEG12 SEG11 SEG10 SEG9 SEG8 SEG2 SEG7 SEG6 SEG5 SEG4 SEG1 SEG02 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36DS8 DLC-7995 BATRYB2 B3 1 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 J1 AXK5S40340P AM Q26...
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• RF UNIT 11 - 2 R169 470 SHIFT OFF 267.2-380.0MHz SHIFT ON 380.0-550.0MHz 1stVCO ATT CHASSIS UNIT C541 0.1C542 0.1D69 MA2S077 R232 330R233 82R234 82 D68 1SV172 R235 1.5 k D65 MA2S077 R225 2.2 k C525 0.01 D66 MA2S077 654 3 2 1 Q508 XP4312 C545 0.01 L91 3.9 µH R238 100 k C522 0.01 C563 0.001 C667 0.01R327 1.5 k 0.495-1.9M C523 0.0015 L85 3.9 µH L86 0.47 µH L87 0.68 µH C527 82 P C528 27 P R227 1 k C536 0.1 D67 MA2S077 D70 MA2S077 R226 2.2 k C524 0.01C526 0.039 L88 3.3 µHC534 330 P C535 0.001 L89 3.3...
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Communication Equipment Himmelgeister Str. 100, D-40225 Düsseldorf, Germany Phone : 0211 346047 Fax : 0211 333639 URL : http://www.icomeurope.com Unit 9, Sea St., Herne Bay, Kent, CT6 8LD, U.K. Phone : 01227 741741 Fax : 01227 741742 URL : http://www.icomuk.co.uk Zac de la Plaine, Rue Brindejonc des Moulinais BP 5804, 31505 Toulouse Cedex, France Phone : 561 36 03 03 Fax : 561 36 03 00 URL : http://www.icom-france.com Crta. de Gracia a Manresa Km. 14,750 08190 Sant Cugat del Valles Barcelona, SPAIN Phone...
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1-1-32, Kamiminami, Hirano-ku Osaka 547-0003, Japan A-5520IZ-S -w © 199 8 Icom Inc.