IcomメーカーIC-GM1600Eの使用説明書/サービス説明書
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SER VICE MANU AL SUR VIV AL CRAFT 2-W A Y RADIO.
INTRODUCTION REP AIR NO TES This ser vice manual describes the latest ser vice information f or the IC-GM1600/E VHF MARINE TRANSCEIVER at the time of publication. D ANGER NEVER connect the transceiv er to an A C outlet or to a DC power supply that uses more than 7.
T ABLE OF CONTENTS SECTION 1 SPECIFICA TIONS SECTION 2 INSIDE VIEWS SECTION 3 DISASSEMBL Y INSTRUCTIONS SECTION 4 CIRCUIT DESCRIPIT ON 4-1 RECEIVER CIRCUITS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 - 1 SECTION 1 SPECIFICA TIONS IC-GM1600 IC-GM1600/E [USA] [GEN], [EUR], [UK] GENERAL • F requency co ver age TX 156.025–157.425 MHz [ON-BOARD] 156.000–161.450 MHz [ON-BOARD] RX 156.050–163.275 MHz [ON-BOARD] 156.000–163.425 MHz [ON-BOARD] TX/RX 156.
• Int er na ti ona l c han ne ls CH F reque ncy (MH z) CH F reque ncy (MH z) CH F reque ncy (MH z) CH F reque ncy (MH z) CH F requen cy (MH z) CH F requen cy (MH z) T ra nsm it Re cei v e T ra nsm it Re cei v e T ra nsm it Re cei v e T ra nsm it Re cei v e T ra nsm it Re cei v e T ra nsm it Re cei v e 01 156 .
SECTION 2 INSIDE VIEWS • MAIN UNIT 2 - 1 T5V Regulator (Q323: 2SA1588) IF amplifier (Q211: 2SC4215) T OP VIEW BO TT OM VIEW TX/RX swith (D91, D92: MA77) R5 Regulator (Q322: 2SA1588) S5V Regulator (Q.
SECTION 3 DISASSEMBL Y INSTR UCTIONS 3 - 1 H Chassis unit K G F ront panel F I L L L M Chassis unit Main unit C Rear panel A B F ront panel D E F Main seal • REMO VING THE CHASSIS UNIT 1 Unscrew 1 nut G . 2 Unscrew 2 screws H . 3 T ake off the chassis unit in the direction of the arrow .
4 - 1 SECTION 4 CIRCUIT DESCRIPTION Mixer 16 Limiter AMP 450 kHz 2nd IF filters 30.6 MHz 2nd LO signal IC231 T A31136FN 1st IF signal from the IF amplifier (Q211) 11 10 9 87 5 AF "DET" signal to the AF circuits "SQCON" signal from the D/A conv erter (IC251) 15.
4 - 2 Po w e r AMP APC AMP + – 3 4 1 T o ANT TDETV VCC T1CON RF signals from TX/RX SW T5V D121 Pre- drive Buffer AMP ANT SW LPF LPF Q91 IC141 Q101 Q111 D132 • APC CIRCUIT 4-1-6 SQUELCH CIRCUIT Squelch circuit mutes AF output signal when no signals are received.
Loop filter Buffer Q61 Buffer Q3 Buffer Q62 Buffer Q71 to transmitter circuit to 1st mixer circuit D91 D92 5 8 Q51, D35–D39 TX VCO Q41, D31–D34 RX VCO IC1 MB15A02PFV ×2 30.
4 - 4 4-5 PORT ALLOCA TIONS 4-5-1 CPU (IC661) LINE DESCRIPTION VCC The voltage from the connected DC po wer supply p assed through the [V OL] s witch (R1: VR BOARD). CPU5V 5V f or the CPU (IC661) conv erted from the VCC line at the CPU5V regulator circuit (IC551).
EQUIPMENT GRADE AND RANGE EQUIPMENT GRADE AND RANGE RF power meter (terminated type) Measuring range : 0.1–3 W F requency range : 100–300 MHz Impedance : 50 Ω SWR : Less than 1.2 : 1 Standard signal generator (SSG) F requency range : 0.1–300 MHz Output le vel : 0.
FM de viation meter SINAD meter Speaker (8 Ω ) A udio generator A C millivoltmeter to the antenna connector Attenuator 20 dB / 30 dB RF power meter 0.1–3 W/50 Ω F requency counter Standard signal generator 0.1 µV to 32 mV (–127 dBm to –17 dBm) DO NO T transmit while an SSG is connected to the antenna connector .
NO TE : The abov e screen is an e xample. Each transceiv er has its own specific v alues for each setting. q : Adjustment condition w : Reference frequency e : RF output power r : FM deviation (Wide) .
ADJUSTMENT ADJUSTMENT CONDITION MEASUREMENT VA L U E UNIT OPERA TION PLL LOCK VO L T AG E 1 • Oper ating CH. : 16 • Receiving PC screen Check the L VIN Data cell's value in the I/O chec k window . Click the "I/O chec k b utton" on the CS-M90/GM1600 ADJ's screen (see page 5-3) to open the I/O check window as belo w .
ADJUSTMENT ADJUSTMENT CONDITION MEASUREMENT VA L U E UNIT OPERA TION OUTPUT PO WER [RF P ower (High)] 1 • Operating CH. : 16 • RF power : High • T ransmitting T op panel Connect the RF power meter to the antenna connector . 2.0 W [RF P ower (Low)] 2 • Operating CH.
5-2 SOFTW ARE ADJUSTMENT (RECEIVING) Select the adjustment item with [ ↑ ] / [ ↓ ] ke ys, then set the v alue with [ ← ] / [ → ] k eys on the connected PC . ADJUSTMENT ADJUSTMENT CONDITION MEASUREMENT V ALUE UNIT OPERA TION RECEIVE SENSITIVITY [BPF T1] [BPF T2] [BPF T3] [BPF T4] 1 • Operating CH.
6 - 1 SECTION 6 P ARTS LIST M.=Mounted side (T: Mounted on the T op side, B: Mounted on the Bottom side) [MAIN UNIT] REF ORDER DESCRIPTION M. H/V N O. N O. LOCA TION [MAIN UNIT] REF ORDER DESCRIPTION M. H/V N O. N O. LOCA TION IC1 1140005990 S.IC MB15A02PFV1-G-BND-ER B 55.
S.=Surf ace mount 6 - 2 M.=Mounted side (T: Mounted on the T op side, B: Mounted on the Bottom side) [MAIN UNIT] REF ORDER DESCRIPTION M. H/V N O. N O. LOCA TION [MAIN UNIT] REF ORDER DESCRIPTION M. H/V N O. N O. LOCA TION R21 7030005050 S.RES ERJ2GEJ 103 X (10 k Ω ) B 49.
S.=Surf ace mount 6 - 3 M.=Mounted side (T: Mounted on the T op side, B: Mounted on the Bottom side) [MAIN UNIT] REF ORDER DESCRIPTION M. H/V N O. N O. LOCA TION [MAIN UNIT] REF ORDER DESCRIPTION M. H/V N O. N O. LOCA TION R431 7030005600 S.RES ERJ2GEJ 273 X (27 k Ω ) T 106.
S.=Surf ace mount 6 - 4 M.=Mounted side (T: Mounted on the T op side, B: Mounted on the Bottom side) [MAIN UNIT] REF ORDER DESCRIPTION M. H/V N O. N O. LOCA TION [MAIN UNIT] REF ORDER DESCRIPTION M. H/V N O. N O. LOCA TION C91 4030007000 S.CER C1608 CH 1H 090D-T T 78.
6 - 5 M.=Mounted side (T: Mounted on the T op side, B: Mounted on the Bottom side) [MAIN UNIT] REF ORDER DESCRIPTION M. H/V N O. N O. LOCA TION C522 4030016970 S.CER ECJ0EB1C223K B 48.2/30 C531 4030016950 S.CER ECJ0EB1A473K B 35.2/15.5 C532 4030016940 S.
SECTION 7 MECHANICAL P ARTS AND DISASSEMBL Y 7 - 1 7-1 CABINET P ARTS [MAIN UNIT] [CHASSIS P ARTS] REF . ORDER. NO. DESCRIPTION QTY . DS681 5030002790 LCD A0286 1 EP681 8930064210 LCD contact SRCN-2795-SP-N-W 1 MP681 8930063850 2795 LCD holder 1 REF .
7 - 2 UNIT abbreviation ( C ) : CHASSIS P ARTS , ( M ) : MAIN UNIT , ( MI ) : MIC, ( A ) : ACCESSORIES EP1 ( A ) MP80 ( C ) MP69 ( C ) MP8 ( C ) MP71 ( C ) MP71 ( C ) MP1 ( C ) MP22 ( C ) MP21 ( C ) M.
SECTION 8 SEMICONDUCT OR INFORMA TION 8 - 1 • TRANSIST ORS AND FET’ s 2SA1588 GR (Symbol: ZG) RD01MUS1 (Symbol: K2) 2SB1132 Q (Symbol: BA Q) B E C B C E 2SC4116 BL (Symbol: LL) E C B 2SC5110 O (Sy.
R692 R583 R654 R653 R584 C602 C603 R659 R658 R657 R656 R602 R601 R604 C605 C606 R606 C604 R603 R605 C601 C641 S100 S103 S105 X601 D601 DS654 DS659 DS657 S101 DS653 S102 S104 DS658 R612 C611 C281 R283 .
C282 C662 R152 C155 R151 C154 R153 R154 C158 C162 R156 R553 R551 R467 R461 C700 C699 C688 R695 C466 C231 R223 C270 C268 R274 R270 C266 C473 C463 C462 C696 R709 R463 R697 C481 C689 C465 C695 R707 R705 .
9-2 VR BO ARD • T OP VIEW 9 - 3 DS1 R3 J1 R1 R2 MP2 MP1 B5787B 35 30 25 20 15 10 5 0 Horizonal 65 60 55 50 45 40 20 15 10 5 0 V er tical J1 to the A C adapter A C-147A/E HV GND GND 9-3 MIC BO ARD .
9 - 4 EP452 C700 J415 EP451 B6192B EP458 DS655 R714 R713 Q655 C702 C703 EP454 SPG SPG AFOUT AFOUT GND GND 1 7 14 8 GND GND GND EXDET EXTMIC TLED RLED J415 to the MAIN unit J414 15 10 5 0 V er tical 15.
SECTION 10 BLOCK DIA GRAM 10 - 1 PLL IC FIL LOOP BUFF BUFF BUFF BUFF IF AMP RF AMP DRIVE PRE PWR AMP APC CTRL TX/RX SW ANT SW BPF BPF BPF LPF ANTENNA CR-747 D/A LCD DRIVER BA TT LIMIT AMP AF MUTE LPF .
SECTION 11 V OL T A GE DIA GRAM 11-1 MAIN UNIT BA TTY CDECV BTYPE BEEPO WDECV AF7V CPU5V CKSIS E D S5V S5V MODIN DETMS CTFIS R5V DET A B C SRXMS F C272 0.47 IC281 TC4W66FU 1 2 3 45 6 7 8 IC282 TC4W53FU 1 2 3 4 5 6 7 8 Q291 XP4601 1 2 3 4 5 6 C261 0.015 C262 0.
11 - 2 BA TTY CDECV BTYPE BEEPO WDECV AF7V CPU5V CKSIS F D S5V S5V MODIN DETMS CTFIS R5V DET SRXMS C B A E L132 32 nH L131 30 nH L123 50 nH L72 33 nH L151 50 nH L154 56 nH L155 56 nH L166 56 nH L181 56 nH C16 4.7 C17 1.5 C37 1.5 P C42 47 P C43 12 P C46 0.
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