Icom iC-r20 Ontvanger
Fabrikant:
Model:
iC-r20
Datum:
2004
Categorie:
Groep:
Omschrijving:
COMMUNICATIONS RECEIVER

Informatie

FEATURES O Covers 0.150-3304.999 MHz* wide frequency range ‘Some frequency bands are inhibited according to version O External Power Supply operation O 1250 memory channels* with 26 banks available *200 auto write and 50 scan edge channels are included. O Built-in bar-antenna O Dualwatch operation GENERAL • Mode : FM, WFM, AM, SSB, CW • No. of memory channel : 1250 channel (incl. scan edge and auto memory write ch.) • Frequency stability : ±6 ppm max. • Tuning steps : 0.01, 0.1, 1, 5, 6.25, 8.33*, 9*, 10, 12.5, 15, 20, 25, 30, 50 and 100 kHz *selectable depending on the operating frequency band. • Antenna Impedance : 50 Ω • Power Supply requirement : 3 × AA(R6) alkaline cells, BP-206 or external power supply (BC-149/A/D, CP-18) • Polarity : Negative ground • Current drain (at 3.7 V, backlight is OFF) : Rated audio 150 mA typical Standby 100 mA typical Power saved 35 mA typical (Power save ratio is 1 : 4) • Usable temperature range : –10°C to +60°C ( –14°F to +140°F) • Dimensions : 60(W) × 142(H) × 34.8(D) mm; (projections not included) 23⁄8 (W) × 519⁄32 (H) × 13⁄8(D) in • Weight (with Antenna and BP-206) : Approx. 320 (g); 1119⁄32 (oz) • External SP connector : 3-conductor 3.5(d) mm (1⁄8”) / 8Ω • Audio output power (at 3.7 V) : 100 mW typical at 10 % distortion with an 8 Ω load • BP-206 charging time : Approx. 8 hours • Charging current : 400 mA typical

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Gebruikershandleiding
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Gebruikershandleiding
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2.55 Mbytes (2679001 Bytes)
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Handleidingen-ID:
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2004 01 01
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Elektronisch document, geen scan, zeer goed leesbaar.
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2018 12 23
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Informatie

INSTRUCTION MANUAL FOREWORD ... i IMPORTANT ... i EXPLICIT DEFINITIONS ... i PRECAUTION ... ii SUPPLIED ACCESSORIES ... iii OPERATING THEORY ... iii OPERATING NOTES ... iii TABLE OF CONTENTS ... iv QUICK REFERENCE GUIDE ... I–VI ■ Preparation ... I 1 PANEL DESCRIPTION ... 1–7 ■ Front, top and side panels ... 1 ■ Function display ... 6 2 BATTERY CHARGING ... 8–10 ■ Battery installation ... 8 ■ Caution ... 9 ■ Battery charging ... 9 3 FREQUENCY AND CHANNEL SETTING ... 11–16 ■ Mode selection ... 11 ■ Operating band selection ... 12 ■ Setting a tuning step ... 14 ■ Setting a frequency ... 14 ■ Selecting a memory channel ... 10 ■ Receive mode selection ... 16 ■ Lock function ... 16 4 BASIC OPERATION ... 17–23 ■ Receiving ... 17 ■ Setting audio volume ... 17 ■ Squelch level setting ... 18 ■ Monitor function ... 18 ■ Attenuator function ... 19 ■ RF gain ... 19 ■ Duplex operation ... 20 ■ AFC function ... 21 ■ NB/ANL functions ... 21 ■ Band scope ... 22 ■ [DIAL] function assignment ... 23 DUALWATCH OPERATION ... 24–25 ■ Setting audio volume ... 24 ■ Squelch level setting ... 24 ■ Main band selection ... 25 ■ Band exchange ... 25 MEMORY CHANNELS ... 26–33 ■ General description ... 26 ■ Memory channel programming ... 26 ■ Memory bank setting ... 27 ■ Memory bank selection ... 28 ■ Programming memory/bank name ... 29 ■ Selecting memory/bank name indication ... 30 ■ Copying memory contents ... 31 ■ Memory clearing ... 32 ■ Erasing/transferring bank contents ... 33 SCAN OPERATION ... 34–41 ■ Scan types ... 34 ■ Full/band/programmed scan ... 35 ■ Scan edges programming ... 36 ■ Memory/bank/all bank scan ... 37 ■ Auto-memory write scan ... 38 ■ Skip channel/frequency setting ... 39 ■ Scan resume condition ... 40 PRIORITY WATCH ... 42–44 ■ Priority watch types ... 42 ■ Priority watch operation ... 43 9 COMFORTABLE RECEIVING ... 45–48 ■ Tone/DTCS squelch operation ... 45 ■ Tone squelch frequency/DTCS code set- ting ... 46 ■ DTCS polarity setting ... 47 ■ Tone scan ... 48 10 SET MODE ... 49–59 ■ General ... 49 ■ Set mode items ... 50 11 OTHER FUNCTIONS ... 60–67 ■ Antenna selection ... 60 ■ Weather channel operation ... 61 ■ Data cloning ... 62 ■ Auto power-off function ... 63 ■ IC recorder ... 64 ■ Partial reset ... 67 ■ All reset ... 68 12 CONTROL COMMAND ... 68–69 ■ General ... 68 ■ Data format ... 68 ■ Command table ... 68 13 FREQUENCY TABLE ... 70–61 ■ TV channels ... 70 ■ VHF marine channels ... 73 ■ Weather channels ... 73 ■ Other communications in the USA ... 74 ■ Other communications— other countries ... 76 14 MAINTENANCE ... 78 ■ Troubleshooting ... 78 15 SPECIFICATIONS ... 79 16 OPTIONS ... 80

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Informatie

FOREWORD ... IMPORTANT ... EXPLICIT DEFINITIONS ... PRECAUTION ... ... ii SUPPLIED ACCESSORIES ... ... iii OPERATING THEORY ... ... iii OPERATING NOTES ... ... iii TABLE OF CONTENTS ... ... iv QUICK REFERENCE GUIDE ... ... I-VI ■ Preparation ... ... I 1 PANEL DESCRIPTION ... ... ... 1 ■ Function display ... ... 6 2 BATTERY CHARGING ... ... 8-10 ■ Battery installation ... ... 8 ■ Caution ... ... 9 ■ Battery charging ... ... 9 3 FREQUENCY AND CHANNELSETTING ... 11-16 ■ Mode selection ... ... 11 ■ Operating band selection ... ... 12 ■ Setting a tuning step ... ... 14 ■ Setting a frequency ... ... 14 ■ Selecting a memory channel ... 10 ■ Receive mode selection ... ... 16 ■ Lock function ... ... 16 4 BASIC OPERATION ... ... 17-23 ■ Receiving ... ... 17 ■ Setting audio volume ... ... 17 ■ Squelch level setting ... ... 18 ■ Monitor function ... ... 18 ■ Attenuator function ... ... 19 ■ RF gain ... 19 ■ Duplex operation ... 20 ■ AFC function ... 21 ■ NB/ANL functions ... 21 ■ Band scope ... 22 ■ [DIAL] function assignment ... 23 DUALWATCH OPERATION ... 24-25 ■ Setting audio volume ... 24 ■ Squelch level setting ... 24 ■ Main band selection ... 25 ■ Band exchange ... 25 MEMORY CHANNELS ... 26-33 ■ General description ... 26 ■ Memory channel programming ... 26 ■ Memory bank setting ... 27 ■ Memory bank selection ... 28 ■ Programming memory/bank name ... 29 ■ Selecting memory/bank name indication ... 30 ■ Copying memory contents ... 31 ■ Memory clearing ... 32 ■ Erasing/transferring bank contents ... 33 SCAN OPERATION ... 34-41 ■ Scan types ... 34 ■ Full/band/programmed scan ... 35 ■ Scan edges programming ... 36 ■ Memory/bank/all bank scan ... 37 ■ Auto-memory write scan ... 38 ■ Skip channel/frequency setting ... 39 ■ Scan resume condition ... 40 PRIORITY WATCH ... 42-44 ■ Priority watch types ... 42 ■ Priority watch operation ... 43 9 COMFORTABLE RECEIVING ... 45-48 ■ Tone/DTCS squelch operation ... 45 ■ Tone squelch frequency/DTCS code setting ... 46 ■ DTCS polarity setting ... 47 ■ Tone scan ... 48 10 SET MODE ... 49-59 ■ General ... 49 ■ Set mode items ... 50 11 OTHER FUNCTIONS ... 60-67 ■ Antenna selection ... 60 ■ Weather channel operation ... 61 ■ Data cloning ... 62 ■ Auto power-off function ... 63 ■ IC recorder ... 64 ■ Partial reset ... 67 ■ All reset ... 68 12 CONTROL COMMAND ... 68-69 ■ General ... 68 ■ Data format ... 68 ■ Command table ... 68 13 FREQUENCY TABLE ... 70-61 ■ TV channels ... 70 ■ VHF marine channels ... 73 ■ Weather channels ... 73 ■ Other communications in the USA ... 74 ■ Other communications— other countries ... 76 ... 78 ... 78 ... 79 ... 80

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Informatie

SECTION 1 SPECIFICATIONS SECTION 2 INSIDE VIEWS SECTION 3 DISASSEMBLY INSTRUCTIONS SECTION 4 CIRCUIT DESCRIPTION 4-1 Receiver CIRCUITS ... 4 - 1 4-2 PLL CIRCUITS ... 4 - 7 4-3 OTHER CIRCUITS ... 4 - 10 4-4 Power Supply CIRCUITS ... 4 - 11 4-5 PORT ALLOCATIONS ... 4 - 12 4-6 BC-156 CIRCUIT DESCRIPTION ... 4 - 14 SECTION 5 ADJUSTMENT PROCEDURES 5-1 PREPARATION ... 5 - 1 5-2 SOFTWARE ADJUSTMENTS ... 5 - 3 SECTION 6 PARTS LIST SECTION 7 MECHANICAL PARTS AND DISASSEMBLY SECTION 8 SEMI-CONDUCTOR INFORMATION SECTION 9 BOARD LAYOUTS 9-1 RF UNIT ... 9 - 1 9-2 LOGIC UNIT ... 9 - 3 9-3 REC UNIT ... 9 - 5 9-4 1STAVCO BOARD ... 9 - 7 9-5 1STBVCO BOARD ... 9 - 7 9-6 2NDCVCO BOARD ... 9 - 7 9-7 2NDDVCO BOARD ... 9 - 7 9-8 DOWNCONV BOARD ... 9 - 7 SECTION 10 BLOCK DIAGRAM SECTION 11 VOLTAGE DIAGRAM 11-1 RF UNIT ... 11 - 1 11-2 LOGIC UNIT ... 11 - 3 11-3 REC UNIT ... 11 - 4 11-4 1STAVCO BOARD ... 11 - 5 11-5 1STBVCO BOARD ... 11 - 5 11-6 2NDCVCO BOARD ... 11 - 6 11-7 2NDDVCO BOARD ... 11 - 6 11-8 DOWNCONV BOARD ... 11 - 7 SECTION 12 BC-156 Battery charger UNIT 12-1 DISASSEMBLY INFORMATION ... 12 - 1 12-2 BC-156 BLOCK DIAGRAM ... 12 - 1 12-3 BC-156 VOLTAGE DIAGRAM ... 12 - 2 12-4 BC-156 BOARD LAYOUTS ... 12 - 3

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