IC-910H Service manual - n7tgb

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• BOTTOM VIEW (RIT BOARD) • BOTTOM VIEW (VR-A BOARD) • BOTTOM VIEW (VR-B BOARD) 9 - 2
1-1-32, Kamiminami, Hirano-ku, Osaka 547-0003, Japan Phone : 06 6793 5302 Fax : 06 6793 0013 URL : http://www.icom.co.jp/world/index.html Icom America Inc. 2380 116th Avenue N.E., Bellevue, WA 98004, U.S.A. Phone : (425) 454-8155 Fax : (425) 454-1509 URL : http://www.icomamerica.com Phone : (425) 454-7619 Icom Canada Glenwood Centre #150-6165 Highway 17 Delta, B.C., V4K 5B8, Canada Phone : (604) 952-4266 Fax : (604) 952-0090 URL : http://www.icomcanada.com Icom (Australia) Pty. Ltd. A.B.N. 88 006 092 575 290-294 Albert Street, Brunswick, Victoria, 3056, Australia Phone : 03 9387 0666 Fax : 03 9387 0022 URL : http://www.icom.net.au Icom New Zealand 146A Harris Road, East Tamaki, Auckland, New Zealand Phone : 09 274 4062 Fax : 09 274 4708 URL : http://www.icom.co.nz Icom (Europe) GmbH Communication Equipment Himmelgeister Str. 100, D-40225 Düsseldorf, Germany Phone : 0211 346047 Fax : 0211 333639 URL : http://www.icomeurope.com Icom Spain S.L Crta. de Gracia a Manresa Km. 14,750 08190 Sant Cugat del Valles Barcelona, SPAIN Phone : (93) 590 26 70 Fax : (93) 589 04 46 URL : http://www.icomspain.com Icom (UK) Ltd. Unit 9, Sea St., Herne Bay, Kent, CT6 8LD, U.K. Phone : 01227 741741 Fax : 01227 741742 URL : http://www.icomuk.co.uk Icom France S.a 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 Asia Icom Inc. 6F No. 68, Sec. 1 Cheng-Teh Road, Taipei, Taiwan, R.O.C. Phone : (02) 2559 1899 Fax : (02) 2559 1874
Page 1 and 2:
SERVICE MANUAL VHF/UHF ALL MODE TRA
Page 3 and 4:
TABLE OF CONTENTS SECTION 1 SPECIFI
Page 5 and 6:
■ RECEIVER • Receive system : V
Page 7 and 8:
• PA UNIT TX/RX switching relay (
Page 9 and 10:
SECTION 3 DISASSEMBLY AND OPTION IN
Page 11 and 12:
• UT-102 VOICE SYNTHESIZER UNIT q
Page 13 and 14:
SECTION 4 CIRCUIT DESCRIPTION 4-1 R
Page 15 and 16:
4-1-11 NOISE BLANKER CIRCUIT (MAIN
Page 17 and 18:
low-pass filter and UHF signal are
Page 19 and 20:
SECTION 5 ADJUSTMENT PROCEDURES 4-1
Page 21 and 22:
• PLL AND MAIN UNITS R570 30.2 MH
Page 23 and 24:
• PA UNIT 144M receiver peak/gain
Page 25 and 26: • PA UNIT 430M peak adjustment fo
Page 27 and 28: • PA UNIT P501 RF peak pre-settin
Page 29 and 30: • MAIN UNIT R202 Drive level adju
Page 31 and 32: SOFTWARE ADJUSTMENT (continued) ADJ
Page 37 and 38: CP321 Idling check point CP322 Idli
Page 39 and 40: R67 APC adjustment CP401 APC check
Page 41 and 42: [DISPLAY BOARD] REF ORDER NO. NO. D
Page 43 and 44: [RIT BOARD] REF ORDER NO. NO. R2 72
Page 45 and 46: [PLL UNIT] REF ORDER NO. NO. DESCRI
Page 47 and 48: [PLL UNIT] REF ORDER NO. NO. DESCRI
Page 49 and 50: [MAIN UNIT] REF NO. ORDER NO. DESCR
Page 53 and 54: [MAIN UNIT] REF ORDER NO. NO. DESCR
Page 57 and 58: [PA UNIT] REF NO. ORDER NO. DESCRIP
Page 59 and 60: [PA UNIT] REF ORDER NO. NO. DESCRIP
Page 65 and 66: [MAIN UNIT] — UX-910 REF NO. ORDE
Page 67 and 68: [MAIN UNIT] — UX-910 REF ORDER NO
Page 69 and 70: [MAIN UNIT] — UX-910 REF ORDER NO
Page 71 and 72: [PA UNIT] REF. NO. ORDER NO. DESCRI
Page 73 and 74: 2SK2855 2SK2973 2SK2975 3SK131 T2 L
Page 75: SECTION 9 9-1 VR-A BOARD • TOP VI
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IC-910H Service manual - n7tgb

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