Equipment information

Icom i706MK II G Transceiver
Manufacturer:
Model:
i706MK II G
Date:
1999
Category:
Group:
Description:
HF/VHF/UHF ALL MODE TRANSCEIVER

Information

n GENERAL • Frequency coverage : Receive 0.030 – 200.000 MHz* 430.000 – 470.000 MHz* Transmit 1.800 – 1.999 MHz* 3.500 – 3.999 MHz* 7.000 – 7.300 MHz* 10.100 – 10.150 MHz 14.000 – 14.350 MHz 18.068 – 18.168 MHz 21.000 – 21.450 MHz 24.890 – 24.990 MHz 28.000 – 29.700 MHz 50.000 – 54.000 MHz* 144.000 – 148.000 MHz* 430.000 – 450.000 MHz* *Depending on version. • Mode : USB, LSB, CW, RTTY (FSK), AM, FM, WFM (WFM is for Receiver only) • Number of memory ch. : 107 (99 regular, 6 scan edges,1 call) • Antenna connector : SO-239 5 2 (for HF/50 MHz and 144/440 MHz)/50 ½ • Power Supply requirement : 13.8 V DC ±15% (negative ground) • Frequency stability : Less than ± 7 ppm from 1 min. to 60 min. after power ON. After that, rate of stability less than ±1 ppm/hr. at +25°C (+77°F). Temperature fluctuations 0°C to +50°C (+32°F to +122°F) less than ± 5 ppm. • Current consumption : Transmit max. power 20 A Receive standby 1.8 A max. audio 2.0 A • Usable temperature range : –10°C to +60°C (+14°F to +140°F) • Dimensions : 167(W) 5 58(H) 5 200(D) mm (projections not included) 69⁄16(W) 5 29⁄32(H) 5 77⁄8(D) inch • Weight : 2.45 kg (5 lb 6 oz) • CI-V connector : 2-conductor 3.5 (d) mm (1/8")/8 ½ • ACC connector : 13-pin n TRANSMITTER • Output power : 1.8–50 MHz band SSB/CW/RTTY/FM 5–100 W AM 2–40 W 144 MHz band SSB/CW/RTTY/FM 5–50 W AM 2–20 W 440 MHz band SSB/CW/RTTY/FM 2–20 W AM 2–8 W • Modulation system : SSB Balanced modulation AM Low level modulation FM Variable reactance modulation • Spurious emissions : Below 47.5 MHz Less than –50 dB (typical) Above 47.5 MHz Less than –60 dB • Carrier suppression : More than 40 dB • Unwanted sideband supp. : More than 50 dB • Microphone connector : 8-pin modular jack (600 ½) • KEY connector : 3-conductor 6.35 (d) mm (1/4") • RTTY connector : 3-conductor 3.5 (d) mm (1/8") n RECEIVER • Receive system : SSB/CW/AM/WFM Double superheterodyne FM Triple superheterodyne

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Service Manual
Manual Type:
Service Manual
Pages:
85
Size:
12.99 Mbytes (13617147 Bytes)
Language:
english
Revision:
Manual-ID:
A-5564HI-S
Date:
Quality:
Electronic document, no scan, very well readable.
Upload date:
2012 02 11
MD5:
86ebb13c60e9a1970d26681e5ba7049c
Downloads:
2026

Information

SECTION 1 SPECIFICATIONS SECTION 2 INSIDE VIEWS SECTION 3 CIRCUIT DESCRIPTION 3 - 1 Receiver CIRCUITS ... 3 - 1 3 - 2 Transmitter CIRCUITS ... 3 - 4 3 - 3 PLL CIRCUITS ... 3 - 6 3 - 4 LOGIC CIRCUITS ... 3 - 8 SECTION 4 ADJUSTMENT PROCEDURES 4 - 1 PREPARATION BEFORE SERVICING ... 4 - 1 4 - 2 PLL ADJUSTMENTS ... 4 - 2 4 - 3 Transmitter ADJUSTMENTS ... 4 - 2 4 - 4 Receiver ADJUSTMENTS ... 4 - 8 4 - 5 SET MODE ADJUSTMENT ... 4 - 10 SECTION 5 PARTS LIST SECTION 6 MECHANICAL PARTS AND DISASSEMBLY SECTION 7 SEMI-CONDUCTOR INFORMATION SECTION 8 BOARD LAYOUTS 8 - 1 DISPLAY BOARD ... 8 - 1 8 - 2 MAIN BOARD ... 8 - 3 8 - 3 HPF AND DRIVER BOARD ... 8 - 5 8 - 4 PA UNIT ... 8 - 7 8 - 5 PLL UNIT ... 8 - 9 8 - 6 FILTER BOARD ... 8 - 11 SECTION 9 BLOCK DIAGRAM SECTION 10 VOLTAGE DIAGRAM

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