Icom IC F111S, IC F110S, IC F121S service manual Eur, Receiver

Page 4

 

 

SECTION 1

SPECIFICATIONS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[GEN], [USA]

 

[EUR]

 

 

 

 

 

 

 

 

 

 

 

 

Measurement method

 

EIA-152-C/204D or TIA-603

 

EN 300 086

 

 

 

Frequency coverage

 

136.000–174.000 MHz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N/W: (12.5 kHz; Narrow/25 kHz; Wide): 8K50F3E/16K0F3E

[EUR]

 

 

Type of emission

 

 

(12.5 kHz; Narrow/25 kHz; Wide): 11K0F3E/16K0F3E

[GEN]

 

 

 

 

(15 kHz; Narrow/30 kHz; Wide): 11K0F3E/16K0F3E

[USA]

 

 

 

 

 

 

GENERAL

 

 

 

 

N/M: (12.5 kHz; Narrow/20 kHz; Middle): 8K50F3E/14K0F3E

[EUR]

 

 

 

 

 

 

Number of conventional channels

13.2 V DC nominal

[25 W]

 

 

Free: 8 channels, Bank: 4 channels 2 banks

 

 

 

Antenna impedance

 

50 nominal (SO-293)

 

 

 

Power supply voltage (negative ground)

13.6 V DC nominal

[50 W]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TX: 7.0 A(at 25 W), 14.0 A(at 50 W)

 

 

 

Current drain (approx.)

 

RX: 1200 mA(max. audio)

 

 

 

 

 

 

 

300 mA(stand-by)

 

 

 

 

 

 

 

 

 

 

 

Usable temperature range

 

–30˚C to +60˚C (–22˚F to +140˚F)

 

–25˚C to +55˚C (–13˚F to +131˚F)

 

 

 

 

 

 

 

 

 

 

 

Dimensions (proj. not included)

150(W) 40(H) 117.5(D) mm; 52932(W) 1916(H) 458(D) inch

[25 W]

 

 

150(W) 40(H) 167.5(D) mm; 52932(W) 1916(H) 41932(D) inch

[50 W]

 

 

 

 

 

 

 

 

Weight

 

 

0.8 kg; 1 lb 12 oz [25 W], 1.1 kg; 2 lb 7 oz [50 W]

 

 

 

 

 

 

 

 

 

 

 

RF output power

 

 

High/Low2/Low1: 25 W/10 W/2.5 W

[25 W]

 

 

 

 

 

 

50 W/25 W/5 W

[50 W]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Modulation system

 

Variable reactance frequency modulation

 

 

 

 

 

 

 

 

Maximum permissible deviation

±2.5 kHz [Narrow], ±4.0 kHz [Middle], ±5.0 kHz [Wide]

 

 

 

 

 

 

 

 

 

 

 

 

Frequency error

 

 

±5.0 ppm

 

±1.5 kHz

 

TRANSMITTER

 

 

 

 

 

 

 

 

Spurious emissions

 

70 dBc typical

 

0.25 µW 1GHz, 1.0 µW > 1 GHz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Adjacent channel power

 

60 dB [Narrow], 70 dB [Middle], [Wide]

 

 

 

 

 

 

 

 

 

 

 

Audio frequency response

 

+2 dB to –8 dB of 6 dB/octave

 

 

 

 

range from 300 Hz to 2550 Hz [Narrow]/3000 Hz [Middle], [Wide]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Audio hormonic distortion

 

3% typical at 1 kHz, 40% deviation

 

 

 

 

 

 

 

 

 

 

 

 

FM hum and noise (typical)

 

40 dB [Narrow], 46 dB [Wide]

 

——

 

 

 

(without CCICT filter)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Residual modulation (typical)

 

——

 

50 dB [Narrow], 53 dB [Middle]

 

 

(with CCICT filter)

 

 

 

55 dB [Wide]

 

 

 

 

 

 

 

 

 

 

Limitting charact of modulator

 

70–100% of max. deviation

 

 

 

Microphone connector

 

8-pin modular (600 )

 

 

 

Receive system

 

 

Double-conversion superheterodyne system

 

 

 

 

 

 

 

 

 

 

Intermediate frequencies

 

1st: 46.35 MHz, 2nd: 450 kHz

 

 

 

 

 

 

 

 

 

 

 

Sensitivity (typical)

 

0.25 µV at 12 dB SINAD

 

–4 dBµV (emf) at 20 dB SINAD

 

 

 

 

 

 

 

 

RECEIVER

Squelch sencitivity (at threshold) (typical)

0.25 µV

 

–4 dBµV (emf)

 

 

 

 

 

 

Adjcent channel selectivity (typical)

65 dB [Narrow], 75 dB [Middle]/[Wide]

 

 

 

 

 

 

 

Spurious response

 

 

75 dB

 

 

 

 

 

 

 

 

Intermodulation (typical)

 

74 dB

 

67 dB

 

 

 

 

 

 

 

 

 

 

 

 

Hum and noise

 

(without CCITT filter)

40 dB [Narrow], 45 dB [Wide]

 

——

 

 

 

 

 

 

 

 

 

 

 

 

(typical)

 

(with CCITT filter)

——

 

50 dB [Narrow], 53 dB [Middle], 55 dB [Wide]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Audio output power

 

4 W typical at 10% distortion with a 4 load

 

 

 

 

 

 

 

 

 

 

External SP connector

 

2-conductor 3.5 (d) mm (18")/4

 

 

 

 

 

 

 

 

 

 

 

All stated specifications are subject to change without notice or obligation.

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Contents IF110S IF111S IF121S Ordering Parts IntroductionRepair Notes Explicit Definitions EUR ReceiverSection Inside View Disassembly Instructions Antenna Switching Circuit Main Unit Receiver Circuits3 1ST Mixer and 1ST if Circuits Main Unit RF Circuit Main UnitTransmitter Circuits Power Amplifier Circuit Main Unit PLL CircuitsAPC Circuit Main Unit PLL Circuit Main UnitPower Supply Circuits Port AllocationsCPU Adjustment Software Installation Starting Software AdjustmentPreparation System RequirementsRequired Test Equipment Equipment Grade and RangeScreen display exampe PLL Adjustment VoltageSoftware Adjustment PowerSoftware Adjustment ConvenientTrimmer Adjustment Section Parts List Front UnitUnit Main UnitPosistor PRF18BD471QB1RB Ceramic Tantalum ECST1CY105R =Surface mount Mechanical Parts Main Unit SEMI-CONDUCTOR Information Board Layouts Bottom View Front Unit ANT Bottom View Main Unit Section Block Diagram Voltage Diagrams Main Unit Beepo Pwon Page Page Service Manual IC-F210S Low Band 400-430 MHz High Band 440-490 MHz Type of emission 12.5 kHz Narrow/25 kHz Wide 8K50F3E/16K0F3E IC3 Disassembly Instructions 2nd if filter 450 kHz Transmitter Circuits IC4 MB15A02PFV1 Output Expander Main unit IC6 Switching circuit Main unit Q23 Adjustment Procedures FM deviation meter RF power meter CH No RX Freq = 440.200000, TX Freq = RF Power High C133 430.000 MHz Panel Counter to the antenna connec MHz L Operating freq 400.000 MHz L Trimmer Adjustment Ceramic ECJ0EB1C153K Coil LQW2BHN15NJ01L Coil Eljre R10G-F Ceramic GRM31M4C2H2R0CY21L Tantalum CH 1H 8010019060 Chassis 25W 8010019130 Long chassis 45W MP8 M DAN222TL DSA3A1 HVC350B Board Layouts Bottom View Front Unit Chassis IC3 EP3 EP2 Bottom View Main Unit Tmut R29 18k C19 NTCG20 VCC1 VCC2