Manual de instrucciones de Icom IC-GM1600

Manual de instrucciones del aparato Icom IC-GM1600

Aparato: Icom IC-GM1600
Categoría: Radio marítima
Fabricante: Icom
Tamaño: 2.18 MB
Fecha de añadido: 2/26/2014
Número de páginas: 34
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Resumen del contenido incluido en la página 1

SERVICE
MANUAL
SURVIVAL CRAFT 2-WAY RADIO

Resumen del contenido incluido en la página 2

INTRODUCTION This service manual describes the latest service information for the IC-GM1600/E VHF MARINE TRANSCEIVER at the time of publication. MODEL VERSION TX Hi-POWER USA 2 W IC–GM1600 GEN 2 W EUR 2 W IC–GM1600E UK 2 W To upgrade quality, all electrical or mechanical parts and internal circuits are subject to change without notice or obligation. DANGER NEVER connect the transceiver to an AC outlet or to a DC power supply that uses more than 7.5 V. Such a connection could cause a fire o

Resumen del contenido incluido en la página 3

TABLE OF CONTENTS SECTION 1 SPECIFICATIONS SECTION 2 INSIDE VIEWS SECTION 3 DISASSEMBLY INSTRUCTIONS SECTION 4 CIRCUIT DESCRIPITON 4-1 RECEIVER CIRCUITS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 4-2 TRANSMITER CIRCUITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2 4-3 PLL CIRCUITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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SECTION 1 SPECIFICATIONS IC-GM1600 IC-GM1600/E [USA] [GEN], [EUR], [UK] TX 156.025–157.425 MHz [ON-BOARD] 156.000–161.450 MHz [ON-BOARD]  Frequency coverage RX 156.050–163.275 MHz [ON-BOARD] 156.000–163.425 MHz [ON-BOARD] TX/RX 156.300–156.875 MHz [SURVIVAL]  Number of programable channels 100 channels  Type of emission 16K0G3E 16K0G3E (for ATIS)  Antenna impedance 50 Ω (nominal)  Operating temperature range −4˚F to +140˚F –20˚C to +55˚C  Power supply requirement 7.5 V DC nominal (negativ

Resumen del contenido incluido en la página 5

• CHANNEL LISTS • International channels Frequency (MHz) Frequency (MHz) Frequency (MHz) Frequency (MHz) Frequency (MHz) Frequency (MHz) CH CH CH CH CH CH Transmit Receive Transmit Receive Transmit Receive Transmit Receive Transmit Receive Transmit Receive 01 156.050 160.650 11 156.550 156.550 21 157.050 161.650 61 156.075 160.675 71 156.575 156.575 81 157.075 161.675 02 156.100 160.700 12 156.600 156.600 22 157.100 161.700 62 156.125 160.725 72 156.625 156.625 82 157.125 161.725 03 156.150 160.

Resumen del contenido incluido en la página 6

SECTION 2 INSIDE VIEWS MAIN UNIT  TOP VIEW BOTTOM VIEW Antenna Switches *D131, D151: 1SV307 D152: MA2S077 S5V Regulator (Q561: 2SA1588) Power amplifier (*Q111: RD07MVS1) T5V Regulator (Q323: 2SA1588) Pre-drive (*Q101: RD01MUS1) RF amplifier R5 Regulator IF amplifier (Q322: 2SA1588) (Q165: 3SK294) (Q211: 2SC4215) TX/RX swith (D91, D92: MA77) VCO circuits D/A converter IC (IC251: M62363FP-657C) CPU IC661: PD78F0338 GC-9EB EEPROM (IC591: BR24L32FV-W) Reset IC (IC581: S-80942CNMC) *Located

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SECTION 3 DISASSEMBLY INSTRUCTIONS REMOVING THE REAR PANEL  1 Remove the speaker panel A. 2 Unscrew 2 screws B, and remove 2 washers C. 3 Unscrew 2 screws D. 4 Unscrew 2 screws E, and remove 2 washers F. 5 Remove the rear panel and the main seal from the front panel. Note: When replacing the screws, 10–12 kg of torque MUST be applied to ensure water resistance. B C Rear panel D Main seal Front panel F A E R REMOVING THE CHASSIS UNIT REMOVING THE MAIN UNIT  

Resumen del contenido incluido en la página 8

SECTION 4 CIRCUIT DESCRIPTION The 1st IF signal from the 1st mixer is passed through the 4-1 RECEIVER CIRCUITS crystal filter (FI211) to suppress unwanted signals, and 4-1-1 ANTENNA SWITCHING CIRCUIT amplified at the 1st IF amplifier (Q211). The antenna switching circuit toggles receive line and transmit line. This circuit does not allow transmit signals to The amplified 1st IF signal is applied to the FM IF IC enter the receiver circuits. (IC231). Received signals from the antenna are

Resumen del contenido incluido en la página 9

4-1-6 SQUELCH CIRCUIT 4-2-2 MODULATOR CIRCUIT Squelch circuit mutes AF output signal when no signals are The modulation circuit modulates the VCO oscillating signal received. with the audio signals from the microphone. A portion of the AF signals from the FM IF IC (IC231, pin 9) are AF signals from the D/A converter (IC251, pin 3) are applied applied to the IC251 to control the level, and the active filter to the modulation circuit (D39) to modulate the oscillated (R239–R241, C237, C238). The

Resumen del contenido incluido en la página 10

The phase detector compares the input signal with a 4-3 PLL CIRCUITS reference frequency, and then outputs the control signal 4-3-1 GENERAL (pulse-type) from pin 5. The pulse-type signal is converted PLL circuits control TX and RX VCO circuits. IC1 is a into DC voltage at the loop filter (R17–R19, C16, C17), and PLL IC and contains prescaler, programmable counter, then applied to the RX VCO (Q41, D31–D34) as the lock programmable divider, phase detector, charge pump in its voltage. packa

Resumen del contenido incluido en la página 11

PIN PORT 4-4 POWER SUPPLY CIRCUITS DESCRIPTION NUMBER NAME 4-4-1 VOLTAGE LINES Output port for dimmer control LINE DESCRIPTION 77, 78 LEDS1, LEDS2 signal. The voltage from the connected DC power Output port for microphone mute supply passed through the [VOL] switch (R1: VCC signal. 80 MICMS VR BOARD). "HIGH": Microphone mute 5V for the CPU (IC661) converted from the Output port for internal speaker CPU5V VCC line at the CPU5V regulator circuit (IC551). mute signal. 81 ISPMS "HIGH": S

Resumen del contenido incluido en la página 12

SECTION 5 ADJUSTMENT PROCEDURES 5-1 PREPARATION  REQUIRED TEST EQUIPMENTS When adjusting IC-GM1600/E, the optional CS-M90/GM1600 ADJ ADJUSTMENT SOFTWARE (Rev. 1.0 or later), OPC-478 (RS-232 type) or OPC-478U (USB type) CLONING CABLE, OPC-1028 and JIG cable (see page 5-2) are required. EQUIPMENT GRADE AND RANGE EQUIPMENT GRADE AND RANGE Measuring range : 0.1–3 W Standard signal Frequency range : 0.1–300 MHz Frequency range : 100–300 MHz RF power meter generator (SSG) Output level

Resumen del contenido incluido en la página 13

 CONNECTION AC millivoltmeter Audio generator OPC-478 (RS-232C type) to RS-232C port Standard signal generator to the antenna connector 0.1 µV to 32 mV OPC-478U (USB type) (–127 dBm to –17 dBm) DO NOT transmit while to USB port an SSG is connected to the antenna connector. PC Attenuator FM 20 dB / 30 dB deviation meter To MIC. line To CLONE line (BLACK) (WHITE) RF power meter 0.1–3 W/50 Ω To red line (RED) SINAD meter Frequency JIG cable counter OPC-1028 Speaker (8 Ω ) T To o [SP] [SP] c c

Resumen del contenido incluido en la página 14

 PC SCREEN EXAMPLE I/O check button q w e r t y u i o NOTE: The above screen is an example. Each transceiver has its own specific values for each setting. q: Adjustment condition y: Receive sensitivity (Manualy) w: Reference frequency u: Squelch level e: RF output power i: S-meter r: FM deviation (Wide) o: VOX t: Receive sensitivity (Automaticaly) 5 - 3

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5-2 SOFTWARE ADJUSTMENT (FREQUENCY) Select the adjustment item with [↑] / [↓] keys, then set the value with [←] / [→] keys on the connected PC. MEASUREMENT ADJUSTMENT ADJUSTMENT CONDITION VALUE UNIT OPERATION PLL LOCK 1  Operating CH. : 16 PC Check the LVIN Data cell's 1.5–3.0 V [USA] VOLTAGE  Receiving screen value in the I/O check 1.85–3.35 V [Others] window. (Verify) Click the "I/O check button" 2  Operating CH. : 16 1.4–2.9 V on the CS-M90/GM1600  RF power : Low ADJ's screen

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5-2 SOFTWARE ADJUSTMENT (TRANSMITTING) Select the adjustment item with [↑] / [↓] keys, then set the value with [←] / [→] keys on the connected PC. MEASUREMENT ADJUSTMENT ADJUSTMENT CONDITION VALUE UNIT OPERATION OUTPUT POWER 1  Operating CH. : 16 Top Connect the RF power meter to [RF Power (High)]  RF power : High panel the antenna connector. 2.0 W  Transmitting [RF Power (Low)] 2  Operating CH. : 16  RF power : Low 0.75 W  Transmitting FM DEVIATION 1

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5-2 SOFTWARE ADJUSTMENT (RECEIVING) Select the adjustment item with [↑] / [↓] keys, then set the value with [←] / [→] keys on the connected PC. MEASUREMENT ADJUSTMENT ADJUSTMENT CONDITION VALUE UNIT OPERATION RECEIVE 1 Top Connect the distortion meter with an 8 Minimum  Operating CH. : 16 Ω SENSITIVITY  Connect the standard signal pannel load to the [MIC/SP] jack through the distortion level [BPF T1] generator to the antenna connector JIG cable. [BPF T2] and set as; [BPF T3] Freque

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SECTION 6 PARTS LIST  IC-GM1600/E [MAIN UNIT] [MAIN UNIT] REF ORDER H/V REF ORDER H/V DESCRIPTION M. DESCRIPTION M. NO. NO. LOCATION NO. NO. LOCATION IC1 1140005990 S.IC MB15A02PFV1-G-BND-ER B 55.7/12.1 D92 1790000620 S.DIO MA77 (TX) T 81.3/22 IC141 1110002750 S.IC TA75S01F (TE85R) T 107.2/24.2 D121 1790001670 S.DIO RB706F-40T106 T 108.3/15.9 IC231 1110003201 S.IC TA31136FNG (EL) B 76.4/36.5 D131 1750000580 S.DIO 1SV307 (TPH3) T 111.9/9.8 IC251 1190000350 S.IC M62363FP-650C

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[MAIN UNIT] [MAIN UNIT] REF ORDER H/V REF ORDER H/V DESCRIPTION M. DESCRIPTION M. NO. NO. LOCATION NO. NO. LOCATION R21 7030005050 S.RES ERJ2GEJ 103 X (10 kΩ ) B 49.7/7.2 R204 7030010430 S.RES ERJ2GEJ 120 X (12 Ω ) T 85.9/20.8 R22 7030005210 S.RES ERJ2GEJ 822 X (8.2 kΩ ) B 45.8/4.5 R205 7030005000 S.RES ERJ2GEJ 471 X (470 Ω ) T 86.4/19.5 R31 7030005530 S.RES ERJ2GEJ 100 X (10 Ω ) T 64.1/9.9 R206 7030005040 S.RES ERJ2GEJ 472 X (4.7 kΩ ) B 85.9/16.5 R32 7030005120 S.RES ERJ2

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[MAIN UNIT] [MAIN UNIT] REF ORDER H/V REF ORDER H/V DESCRIPTION M. DESCRIPTION M. NO. NO. LOCATION NO. NO. LOCATION R431 7030005600 S.RES ERJ2GEJ 273 X (27 kΩ ) T 106.1/27.6 R682 7030005700 S.RES ERJ2GEJ 274 X (270 kΩ ) B 6.6/26.5 R432 7030005160 S.RES ERJ2GEJ 105 X (1 MΩ ) T 107.6/27.1 R683 7030006610 S.RES ERJ2GEJ 394 X (390 kΩ ) B 12/29.3 R433 7030007290 S.RES ERJ2GEJ 222 X (2.2 kΩ ) T 109.4/33 R684 7030003830 S.RES ERJ3GEYJ 185 V (1.8 MΩ ) B 13.2/29.7 R434 7030007290 S


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