Icom IC F110S, IC F111S, IC F121S service manual Bottom View Front Unit

Page 66

• BOTTOM VIEW (FRONT UNIT)

33

32

48	17	11	10

49

16

20

1

64 1

14

8

1

7

J2

1

39

GND

TONE

TENC

NOIS

NWC

TMUT

UNLK

PLST

CDEC

SDEC

OV12

RSSI

LVIN

TEMP

BATV

RXC

AFON

5V

CPU5

AFO

DIM

DAST

RMUT

MMUT

OPT3

OPT2

OPT1

BUSY

SCK

SI

SO

CIRQ

CCS

MIC

EPTT

HORNO

BEEP

PWON

8V

GND

2

40

to MAIN unit J2

9 - 2

Image 66

Contents IF110S IF111S IF121S Introduction Ordering PartsRepair Notes Explicit Definitions EUR ReceiverSection Inside View Disassembly Instructions 3 1ST Mixer and 1ST if Circuits Main Unit Antenna Switching Circuit Main UnitReceiver Circuits RF Circuit Main UnitTransmitter Circuits APC Circuit Main Unit Power Amplifier Circuit Main UnitPLL Circuits PLL Circuit Main UnitPower Supply Circuits Port AllocationsCPU Preparation Adjustment Software InstallationStarting Software Adjustment 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