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Icom IC-756PRO Transceiver
Manufacturer:
Model:
IC-756PRO
Date:
1999
Class:
Type:
SubType:
HF/50 MHz ALL MODE TRANSCEIVER

Information

•General •Frequency coverage : Receive 00.030–60.000 MHz*1, *2 Transmit 01.800–01.999*2 03.500–03.999*2 07.000–07.300*2 10.100–10.150*2 14.000–14.350*2 18.068–18.168*2 21.000–21.450*2 24.890–24.990*2 28.000–29.700*2 50.000–54.000*2 *1 Some frequency bands are not guaranteed. *2 Depending on version •Mode : USB, LSB, CW, RTTY, AM, FM •Number of memory : 101 (99 regular, 2 scan edges) channels • Antenna connector : SO-239×2 and phono (RCA; 50 Ω) •Temperature range : –10°C to +50°C; +14°F to +122°F •Frequency stability : Less than ±0.5 ppm 1 min. after power on. (–10 to 50°C; +14 to +122°F) •Frequency resolution : 1 Hz •Power supply : 13.8 V DC ±15% •Power consumption : Transmit Max. power 23 A Receive Standby 3.0 A (typ.) Max. audio 3.5 A (typ.) •Dimensions : 340(W)×111(H)×285(D) mm (projections not included) 133⁄8(W)×43⁄8(H)×117⁄32(D) in •Weight (approx.) : 9.6 kg; 21 lb 3 oz •ACC 1 connector : 8-pin DIN connector •ACC 2 connector : 7-pin DIN connector • CI-V connector : 2-conductor 3.5 (d) mm (1⁄8˝) • Display : 5-inch (diagonal) TFT color LCD •Transmitter •Output power (continuously adjustable): SSB/CW/RTTY/FM 5–100 W AM 5–40 W • Modulation system : SSB PSN modulation AM Low power modulation FM Phase modulation •Spurious emission : 50 dB (HF bands) 60 dB (50 MHz band) • Carrier suppression : 40 dB •Unwanted sideband : 55 dB suppression •∂TX variable range : ±9.999 kHz • Microphone connector : 8-pin connector (600 Ω) •ELEC-KEY connector : 3-conductor 6.35(d) mm (1⁄4") •KEY connector : 3-conductor 6.35(d) mm (1⁄4") •SEND connector : Phono (RCA) • ALC connector : Phono (RCA) •Receiver •Receive system : Triple conversion superheterodyne system • Intermediate frequencies: 1st 64.455 MHz 2nd 455 kHz 3rd 36 kHz • Sensitivity (typical) : SSB, CW, RTTY 0.16 μV (1.80–29.99 MHz)*1 (10 dB S/N) 0.13 μV (50.0–54.0 MHz)*2 AM (10 dB S/N) 13 μV (0.5–1.799 MHz) 2 μV (1.80–29.99 MHz)*1 1 μV (50.0–54.0 MHz) FM (12 dB SINAD) 0.5 μV (28.0–29.99 MHz)*1 0.32 μV (50.0–54.0 MHz)*2 *1Pre-amp 1 is ON, *2Pre-amp 2 is ON • Squelch sensitivity (Pre-amp: OFF): SSB, CW, RTTY Less than 5.6 μV FM Less than 1 μV • Selectivity : SSB, RTTY More than 2.4 kHz/–6 dB (BW: 2.4 kHz) Less than 2.8 kHz/–60 dB CW (BW: 500 Hz) More than 500 Hz/–6 dB Less than 700 Hz/–60 dB AM (BW: 6 kHz) More than 6.0 Hz/–6 dB Less than 15.0 Hz/–60 dB FM (BW: 15 kHz) More than 12.0 Hz/–6 dB Less than 20.0 Hz/–60 dB •Spurious and image : More than 70 dB rejection ratio (except IF through on 50 MHz band) • AF output power : More than 2.0 W at 10% (at 13.8 V DC) distortion with an 8 Ω load • RIT variable range : ±9.999 kHz •PHONES connector : 3-conductor 6.35 (d) mm (1⁄4˝) • External SP connector : 2-conductor 3.5 (d) mm (1⁄8˝)/8Ω •Antenna Tuner • Matching impedance range: HF bands 16.7 to 150 Ω unbalanced (Less than VSWR 3:1) 50 MHz band 20 to 125 Ω unbalanced (Less than VSWR 2.5:1) •Minimum operating : 8 W input power •Tuning accuracy : VSWR 1.5:1 or less • Insertion loss : Less than 1.0 dB (after tuning)

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User Manual
Manual type:
User Manual
Pages:
84
Size:
2.02 Mbytes (2119233 Bytes)
Language:
english
Revision:
Manual-ID:
A-5627H-1EX
Date:
unknown
Quality:
Electronic document, no scan, very well readable.
Upload date:
24 June 2012
MD5:
59f922bf2d3f6565381bd3512fa76675
Downloads:
611

Information

IMPORTANT ... i EXPLICIT DEFINITIONS ... i PRECAUTIONS ... i 1 TABLE OF CONTENTS ... 1 2 PANEL DESCRIPTION ... 2–13  Front panel ... 2  Microphone (HM-36) ... 9  LCD display ... 10  Screen menu arrangement ... 11  Rear panel ... 12 3 INSTALLATION AND CONNECTIONS ... 14–21  Unpacking ... 14  Selecting a location ... 14  Grounding ... 14  Antenna connection ... 14  Required connections ... 15  Advanced connections ... 16  Power Supply connections ... 17  Linear Amplifier connections ... 18  Transverter jack information ... 19  External Antenna selector or Antenna Tuner connections ... 20  FSK and AFSK (SSTV) connections ... 21 4 FREQUENCY SETTING ... 22–25  When first applying power (CPU resetting) ... 22  Initial settings ... 22  VFO description ... 23  Frequency setting with the tuning dial ... 24  Direct frequency entry with the keypad ... 24  Advanced tuning functions ... 25 5 RECEIVE AND TRANSMIT .. 26–49  Mode selection ... 26  Twin PBT operation ... 26  Notch function ... 27  Noise reduction ... 27  Noise blanker ... 27  RTTY filter/Twin peak filter ... 28  CW reverse mode ... 28  RTTY reverse mode ... 28  CW pitch control ... 29  IF filter selection ... 29  AGC function ... 30  Dualwatch operation ... 31  Split frequency operation ... 32  Quick split function ... 33  RIT and ∂TX ... 34  Monitor function ... 35  VOX function ... 35  Meter function ... 36  SWR reading ... 36  Speech compressor ... 37  Digital voice recorder ... 38  RTTY decoder ... 41  RTTY tuning meter ... 41  Electronic CW keyer ... 42  Memory keyer ... 43  Spectrum scope screen ... 44  Automatic Antenna selection ... 45  Dial lock function ... 45  Repeater operation ... 46  Tone squelch operation ... 47  Antenna Tuner operation ... 48  Optional external Tuner operation ... 49 6 MEMORY OPERATION ... 50–55  Memory channels ... 50  Memory channel selection ... 50  Memory channel screen ... 51  Memory channel programming ... 52  Frequency transferring ... 53  Memory names ... 54  Memory clearing ... 54  Memo pads ... 55 7 SCANS ... 56–61  Scan types ... 56  Preparation ... 56  Programmed scan operation ... 57  ∂F scan operation ... 57  Fine programmed scan/ fine ∂F scan ... 58  Memory scan operation ... 58  Select memory scan operation ... 59  Setting select memory channels .. 59  Scan set mode ... 60  Tone scan ... 61 8 CLOCK AND TIMERS ... 62–63  Setting the current time ... 62  Setting power-on time ... 62  Setting power-off period ... 63  Timer operation ... 63 9 SET MODE ... 64–72  Set mode description ... 64  Level set mode ... 65  Display set mode ... 66  Timer set mode ... 67  Miscellaneous (others) set mode .. 68 10 OPTION INSTALLATION ... 73  Opening the transceiver’s case ... 73  UT-102 VOICE SYNTHESIZER UNIT ... 73 11 MAINTENANCE ... 74–76  Troubleshooting ... 74  Fuse replacement ... 75  Clock backup battery replacement ... 75  Tuning dial brake adjustment ... 76  Frequency calibration (approximate) ... 76 12 INTERNAL VIEWS ... 77 13 CONTROL COMMAND ... 78–79  Remote jack (CI-V) information ... 78 14 SPECIFICATIONS ... 80 15 OPTIONS ... 81

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Datasheet
Manual type:
Datasheet
Pages:
7
Size:
3.53 Mbytes (3705911 Bytes)
Language:
english
Revision:
Manual-ID:
00DS0020
Date:
unknown
Quality:
Electronic document, no scan, very well readable.
Upload date:
19 July 2015
MD5:
716f76430b2da3442ddbfc9f7e69fd5d
Downloads:
330
Service Manual
Manual type:
Service Manual
Pages:
93
Size:
17.31 Mbytes (18155724 Bytes)
Language:
english
Revision:
Manual-ID:
S-13604HZ-C1
Date:
unknown
Quality:
Electronic document, no scan, very well readable.
Upload date:
21 January 2014
MD5:
fe59e15222802b5abff6184a0176b79c
Downloads:
751

Information

This service manual describes the latest service information for the IC-756PRO HF/50MHz ALL MODE Transceiver.

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