Icom IC F121S, IC F110S, IC F111S service manual MHz Panel Counter to the antenna connec MHz L

Page 53

5-3 SOFTWARE ADJUSTMENT

Select an operation using [] / [] keys, then set specified value using [] / [] keys on the connected computer keyboard.

ADJUSTMENT

 

ADJUSTMENT CONDITION

 

MEASUREMENT

 

VALUE

 

 

UNIT

 

 

LOCATION

 

 

 

 

 

 

 

 

 

REFERENCE

1 • Operating freq. : 490.000 MHz

Rear

Loosely

couple a

frequnecy

490.0000 MHz [H]

FREQUENCY

 

 

430.000 MHz

panel

counter to the antenna connec-

430.0000 MHz [L]

[TXF]

 

• Output power

: Low1

 

tor.

 

 

 

 

 

 

 

• Connect the RF power meter or 50

 

 

 

 

 

 

 

 

 

dummy load to the antenna connector.

 

 

 

 

 

 

 

 

 

• Transmitting

 

 

 

 

 

 

 

 

OUTPUT

1 • Operating freq. : 465.000 MHz [H]

Rear

Connect an RF power meter to

25.0 W [25 W]

POWER

 

 

415.000 MHz [L]

panel

the

 

antenna

connector.

45.0 W [45 W]

[Power (Hi)]

 

• Output power

: High

 

 

 

 

 

 

 

 

 

• Transmitting

 

 

 

 

 

 

 

 

[Power (L2)]

2

• Output power

: Low2

 

 

 

 

 

10.0 W [25 W]

 

 

• Transmitting

 

 

 

 

 

 

25.0 W [45 W]

[Power (L1)]

3

• Output power

: Low1

 

 

 

 

 

2.5 W [25 W]

 

 

• Transmitting

 

 

 

 

 

 

5.0 W [5 W]

FM

1 • Operating freq. : 415.000 MHz [L]

Rear

Connect an FM deviation meter

±4.1 kHz

[N/W]

DEVIATION

 

 

465.000 MHz [H]

panel

to

the

antenna

connector

±3.3 kHz

[N/M]

[MOD W]

 

• Output power

: Low1

 

through the attenuator.

 

 

 

 

• IF bandwidth

: Wide

 

 

 

 

 

 

 

 

 

• Connect an audio generator to the [MIC]

 

 

 

 

 

 

 

 

 

jack through the JIG cable and set as:

 

 

 

 

 

 

 

 

 

1.0 kHz/40 mVrms

 

 

 

 

 

 

 

 

 

• Set an FM deviation meter as:

 

 

 

 

 

 

 

 

 

HPF

: OFF

 

 

 

 

 

 

 

 

 

LPF

: 20 kHz

 

 

 

 

 

 

 

 

 

De-emphasis: OFF

 

 

 

 

 

 

 

 

 

Detector

: (P–P)/2

 

 

 

 

 

 

 

 

 

• Transmitting

 

 

 

 

 

 

 

 

[MOD Ratio]

2

• IF bandwidth

: Narrow

 

 

 

 

 

±2.1 kHz

 

 

• Transmitting

 

 

 

 

 

 

 

 

MODULATION

1 • Set to the DTCS set channel, and push

Rear

Connect an FM deviation meter

Set to square wave

BALLANCE

 

[Connect] on the adjustment software.

panel

with

an oscilloscope to the

 

form

 

[BAL W]

 

• Operating freq. : 415.000 MHz [L]

 

antenna

connector

through an

 

 

 

 

 

 

 

 

465.000 MHz [H]

 

attenuator.

 

 

 

 

 

• Output power

: Low1

 

 

 

 

 

 

 

 

 

• Transmitting

 

 

 

 

 

 

 

 

[BAL Ratio]

2

• IF bandwidth

: Narrow

 

 

 

 

 

 

 

 

 

• Transmitting

 

 

 

 

 

 

 

 

CTCSS/DTCS

1 • Operating freq. : 415.000 MHz [L]

Rear

Connect an FM deviation meter

±0.7 kHz

DEVIATON

 

 

465.000 MHz [H]

panel

to

the

antenna

connector

 

 

[CTCS/DTCS]

 

• Output power

: Low1

 

through the attenuator.

 

 

 

 

• IF bandwidth

: Wide

 

 

 

 

 

 

 

 

 

• CTCSS

: 254.1 Hz

 

 

 

 

 

 

 

 

 

• DTCS code

: 007

 

 

 

 

 

 

 

 

 

• Set the FM deviation meter as:

 

 

 

 

 

 

 

 

 

HPF

: OFF

 

 

 

 

 

 

 

 

 

LPF

: 20 kHz

 

 

 

 

 

 

 

 

 

De-emphasis: OFF

 

 

 

 

 

 

 

 

 

Detector

: (P–P)/2

 

 

 

 

 

 

 

 

 

• No audio applied to the [MIC] connector.

 

 

 

 

 

 

 

 

 

• Transmitting

 

 

 

 

 

 

 

 

5 - 5

Image 53
Contents IF110S IF111S IF121S Repair Notes IntroductionOrdering Parts Explicit Definitions Receiver EURSection Inside View Disassembly Instructions Receiver Circuits Antenna Switching Circuit Main Unit3 1ST Mixer and 1ST if Circuits Main Unit RF Circuit Main UnitTransmitter Circuits PLL Circuits Power Amplifier Circuit Main UnitAPC Circuit Main Unit PLL Circuit Main UnitPort Allocations Power Supply CircuitsCPU Starting Software Adjustment Adjustment Software InstallationPreparation System RequirementsEquipment 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