Informations sur l'appareil:

Icom i706MKªG Émetteur-récepteur
Fabricant:
Icom
Modèle: i706MKªG
Date: 1999
Catégorie: Radio et des communications
Groupe: Émetteur-récepteur
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

Les guides suivants sont disponibles pour l'équipement ci-dessus:

Icom -- i706MKªG -- manuel de réparation
Nom du fichier: Icom-3244-Manual-Page-1-Picture
Type de document: manuel de réparation
Nombre de pages: 85
Taille du fichier: 12.99 Mbytes (13617147 Bytes)
langue: anglaise
Révision:
Document ID/Numéro: A-5564HI-S
Date: 1999
qualité: Électronique de documents, numérisation sans, bien lisible.
Chargé sur:
MD5: 86ebb13c60e9a1970d26681e5ba7049c
ed2kID: 058a480833012fe9db73f138f19d3631
Téléchargements: 244 depuis 11 February 2012
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
Icom-3244-Manual-Page-1-Picture
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