Icom IC F111S - Manuals

Icom IC F111S – Manual in PDF format online.

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Manual

Manual Icom IC F111S

Summary

Page 2 - REPAIR NOTES

INTRODUCTION This service manual describes the latest service informationfor the IC-F110S, IC-F111S and IC-F121S VHF MOBILE TRANSCEIVER at the time of publication. DANGER NEVER connect the transceiver to an AC outlet or to a DC power supply that uses more than 16 V. This will ruin thetransceiver. DO...

Page 4 - RECEIVER

1 - 1 SECTION 1 SPECIFICATIONS All stated specifications are subject to change without notice or obligation. Measurement method Frequency coverage Type of emission Number of conventional channels Antenna impedance Power supply voltage (negative ground) Current drain (approx.) Usable temperature rang...

Page 6 - • Opening case and remove the front panel

3 - 1 SECTION 3 DISASSEMBLY INSTRUCTIONS • Opening case and remove the front panel ➀ Unscrew 4 screws A , and remove the bottom cover. ➁ Disconnect the flat cable B from J2. ➂ Disconnect the cable C from J7. ➃ Unscrew 2 screws D , and remove the front unit in the direction of the arrow. B C D A J2 J...

Page 7 - -1 RECEIVER CIRCUITS; • 2nd IF and demodulator circuits

SECTION 4 CIRCUIT DESCRIPTION 4 - 1 4-1 RECEIVER CIRCUITS 4-1-1 ANTENNA SWITCHING CIRCUIT (MAIN UNIT) The antenna switching circuit functions as a low-pass filterwhile receiving and as resonator circuit while transmitting.This circuit does not allow transmit signals to enter thereceiver circuits. Re...

Page 8 - -2 TRANSMITTER CIRCUITS

4 - 2 4-1-5 AF AMPLIFIER CIRCUIT (MAIN UNIT) The AF amplifier circuit amplifies the demodulated AF sig-nals to drive a speaker. The AF signals from the FM IF IC (IC1, pin 9) are applied tothe active filter circuit (IC16). The active filter circuit (high-pass filter) removes CTCSS or DTCS signals. Th...

Page 9 - , and is increased when it is mismatched.; • PLL circuit

4 - 3 4-2-4 POWER AMPLIFIER CIRCUIT (MAIN UNIT) The power amplifier circuit amplifies the driver signal to anoutput power level. The RF signal from the drive amplifier (Q8) is passedthrough the low-pass filter circuit (L18, C90, C89) andapplied to the power module (IC3) to obtain 25 W or 50 W ofRF p...

Page 10 - -4 POWER SUPPLY CIRCUITS

4-4 POWER SUPPLY CIRCUITS 4-4-1 VOLTAGE LINES (MAIN UNIT) 4-5 PORT ALLOCATIONS 4-5-1 LED DRIVER (FRONT UNIT; IC4) 4-5-2 OUTPUT EXPANDER (MAIN UNIT; IC6) 4-5-3 CPU (FRONT UNIT; IC1) Output LEDs control signals. Low : While LEDs are ON. Outputs BUSY LED control signal. Outputs TX LED control signal. O...

Page 12 - SYSTEM REQUIREMENTS

5 - 1 SECTION 5 ADJUSTMENT PROCEDURES + Audio generator300 Hz to 3 kHz AC millivoltmeter MICE MIC PTT PTT switch PTTE Add a jumper wire here • *OPC-1122 (JIG CABLE) Electrolytic capacitor47 µ F OPC-1122(Cloning cable) 5-1 PREPARATION When you adjust the contents on pages 5-5 and 5-6, SOFT-WARE ADJUS...

Page 13 - • Connections; EQUIPMENT

5 - 2 Personalcomputer to the MIC connector to an RS-232C port DB9 female plug RS-232C cable(straight) *OPC-1122(JIG CABLE) AC millivoltmeter Audio generator FM deviation meter (DC measurable) Attenuator 40 dB or 50 dB to the antenna connector to DC cable Standard signal generator –127 to –17 dBm (0...

Page 14 - • Screen display exampe; : Reference frequency

5 - 3 CS-F100S ADJ Rev.1.0 File COM 1: OPEN Option Connect Reload (F5) Disp para [A / D]VIN : 178 : B2h : 19.96 V TEMPS : 177 : B1h : 26.44 'CLVIN : 176 : B0h : 3.45 V SD : 23 : 17h : 0.45 V Power (Hi) : 198 [ # # # # # # # # # # # # # # # # # – – – ] Power (L2) : 115 [ # # # # # # # # # – – – – – –...

Page 16 - -3 SOFTWARE ADJUSTMENT

5 - 5 5-3 SOFTWARE ADJUSTMENT Select an operation using [ ↑ ] / [ ↓ ] keys, then set specified value using [ ← ] / [ → ] keys on the connected computer keyboard. 1 1 2 3 1 2 1 2 1 • Operating freq. : 174.000 MHz• Output power : Low1• Connect the RF power meter or 50 Ω dummy load to the antenna conne...

Page 17 - SOFTWARE ADJUSTMENT – continued

5 - 6 *The output level of the standard signal generator (SSG) is indicated as the SSG’s open circuit. SOFTWARE ADJUSTMENT – continued Select an operation using [ ↑ ] / [ ↓ ] keys, then set specified value using [ ← ] / [ → ] keys on the connected computer keyboard. Minimum distortion level Set “SQL...

Page 18 - Beep volume adjustment; -4 TRIMMER ADJUSTMENT; • Receiving

5 - 7 TX/RX 1 2 3 4 R59 Beep volume adjustment 5-4 TRIMMER ADJUSTMENT • Make this adjustment if necessary (For example, when beep sound is too loud or too soft).• BE CAREFUL!: 5-tone calling beep sound becomes loud or soft when beep volume adjusts to loud or soft. BEEPVOLUME 1 • Operating freq. : An...

Page 25 - Screw abbreviations

SECTION 7 MECHANICAL PARTS 7 - 1 MC1 MP1 + MP2 MP9 MP10 W2 W1 MP3 MP4 MP5 MP6 MP7 MP8 IC OM LCD-STICKER J1 6510004880 Connector MR-DS-E 01 1 MP1 8010019060 2601 chassis [25W] 1 8010019130 2601 long chassis [50W] 1 MP2 8110007820 2601 cover 1 MP3 8810008660 Screw PH BT M3 × 8 NI-ZU 8 MP4 8810008660 S...

Page 27 - • TRANSISTORS AND FET’S

SECTION 8 SEMI-CONDUCTOR INFORMATION • TRANSISTORS AND FET’S • DIODES B E C B E C B E C B E C B E C B E C B E C B C E G G D D S S S D G G S D D S G2 G1 B E C B E C B E C E1 B1 B2 C1 C2 E1 E2 B2 C1 B1 C2 2SA1577 T106 Q 2SC3356 T1B R25 2SC4081 T106 R 2SC4116 BL 2SC4215 O 2SC4226 T1 R25 2SC5107 O 2SD16...

Page 28 - • TOP VIEW

SECTION 9 BOARD LAYOUTS 9-1 FRONT UNIT • TOP VIEW 1 4 8 5 8V 1 toMicrophone 7 2 8 J1 AFO MICE GND CLO PTT MIC CLI 9 - 1

Page 30 - ANT

ANT CHASSISJ1 to DC cable W2 1 4 8 5 1 8 16 9 1 8 16 9 1 to Optional unit 15 30 16 J1 GND 5V VCC NC AFONO BEEPO NC DET DISC NC CCS CIRQ SO SI SCK PTTI PTT O MCO T MCIN NC BU S Y NC SIGO OPT1 OPT2 OPT3 GND OPV3 OPV2 OPV1 DIM 40 2 39 to FRONT unit J2 1 J2 D AST RMUT MMUT OPT3 OPT2 OPT1 BU S Y SCK SI S...

Page 31 - SP

SP 14 8 1 1 7 14 8 7 12 24 1 13 9 - 4 • BOTTOM VIEW (MAIN UNIT)

Page 32 - BLOCK DIAGRAM; ACC; CPU; IF IC

SECTION 10 BLOCK DIAGRAM DISC MIC AFO BEEP 8V MCOT MIC MOD RSSI MIXER 8V CSFT 19.6608 MHz BEEP F D E DET DISC J6 MAIN UNIT FRONT UNIT J1 CTCSS/DTCS DEC 5/2 TONE DEC J1 BEEP0 AFANO 182.35 MHz-220.35 MHz 46.35 MHz 450 kHz SQIN DET 45.9 MHz 15.3 MHz HVC362 D21 BAL REF 136-174 MHz TENC NWC AF VR PWR P0-...

Page 33 - VOLTAGE DIAGRAMS

SECTION 11 VOLTAGE DIAGRAMS 11-1 FRONT UNIT J2 DIM DAST RMUT MMUT OPT3 OPT2 OPT1 BUSY SCK SI SO CIRQ CCS MIC EPTT HORNO BEEP PWON 8V GND GND TONE TENC NOIS NWC TMUT UNLK PLST CDEC SDEC OV12 RSSI LVIN TEMP BATV RXC AFON 5V CPU5 AFO toMAINunit J2 IC1HD6433687A05FP 123456789 10111213141516 17 18 19 20 ...

Page 38 - UHF TRANSCEIVER

SERVICE MANUAL UHF TRANSCEIVER iF210S iF211S iF221S

Page 40 - Low Band

TABLE OF CONTENTS SECTION 1 SPECIFICATIONS SECTION 2 INSIDE VIEW SECTION 3 DISASSEMBLY INSTRUCTIONS SECTION 4 CIRCUIT DESCRIPTION 4 - 1 RECEIVER CIRCUITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 1 4 - 2 TRANSMITTER CIR...

Page 43 - • Opening case and removing the front unit

3 - 1 SECTION 3 DISASSEMBLY INSTRUCTIONS • Opening case and removing the front unit q Unscrew 4 screws A , and remove the bottom cover. w Disconnect the flat cable B from J2. e Disconnect the cable C from J7. r Unscrew 2 screws D , and remove the front unit in the direction of the arrow. B C D A J2 ...

Page 56 - SECTION 6

[FRONT UNIT] [FRONT UNIT] IC1 1140010890 S.IC HD6433687A05FP IC2 1110005770 S.IC S-80942CNMC-G9C-T2 IC3 1130010390 S.IC HN58X2416TI IC4 1130009670 S.IC BU2092FV-E2 IC5 1110005340 S.IC NJM12902V-TE1 Q1 1530002060 S.TRANSISTOR 2SC4081 T106 R Q2 1590001050 S.TRANSISTOR DTC114TUA T106 Q3 1590000430 S.TR...