Icom IC F111S, IC F110S, IC F121S service manual Chassis IC3 EP3 EP2

Page 67

9-2 MAIN UNIT

• TOP VIEW

ANT

CHASSIS

J1

	IC3
EP3	EP2

to DC cable

W2

	5	4	9	8
	8	1
			1
		8

	16	1
9	16

2		1
J7	SP-	SP+

	to
	speaker
	J6
1	VCC
	DIM
	HORN
	GND
	AFO
	GND
	DISC
	GND
	IN
	GND
11	PTT

to Optional cable OPC-617

1

J1			PTTO	MCOT	MCIN
		PTTI	PTTO	MCOT	MCIN

		GND	5V	VCC	NC
		30
		30

										15
NC	BUSY	NC	SIGO	OPT1	OPT2	OPT3	GND	OPV3	OPV2	OPV1

AFONO	BEEPO	NC	DET	DISC	NC	CCS	CIRQ	SO	SI	SCK
										16
to Optional unit										16
to Optional unit

40

2

J2

TMUT

CDEC

SDEC

TEMP

AFON

GND TONE

TENC

NOIS

NWC

UNLK

PLST

OV12

RSSI

LVIN

BATV

RXC

5V

CPU5

AFO

DIM DAST

RMUT MMUT OPT3 OPT2 OPT1 BUSY SCK SI SO CIRQ CCS MIC EPTT HORNO BEEP PWON 8V GND

39

to FRONT unit J2

1

9 - 3

Image 67

Contents IF110S IF111S IF121S Ordering Parts IntroductionRepair Notes Explicit Definitions Receiver EURSection Inside View Disassembly Instructions RF Circuit Main Unit Antenna Switching Circuit Main UnitReceiver Circuits 3 1ST Mixer and 1ST if Circuits Main UnitTransmitter Circuits PLL Circuit Main Unit Power Amplifier Circuit Main UnitPLL Circuits APC Circuit Main UnitPort Allocations Power Supply CircuitsCPU System Requirements Adjustment Software InstallationStarting Software Adjustment PreparationEquipment Grade and Range Required Test EquipmentScreen display exampe Voltage PLL AdjustmentPower Software AdjustmentConvenient Software AdjustmentTrimmer Adjustment Front Unit Section Parts ListMain Unit 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