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Icom IC-756PRO III, Процедура выравнивания

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Icom IC-756PRO III Скачать руководство пользователя страница 7

FM transmit modulation
- Set Radio to follows

- Frequency:

29.60000MHz

- Mode:

FM

- Filter:

15KHz

- RF POWER:

Maximum

- Mic Gain:

Center

- Connect Modulation analyzer to ANT connector
- Connect AF signal generator to mic connector
- Apply 1KHz/10mV signals to mic connector
- Transmit
- Adjust R2227 on DSP board for 4.5KHz
- Apply 1KHz/1mV signals to mic connector
- Verify transmit modulation for 3.5KHz

AM Carrier Power
- Set radio to 14.100000MHz AM
- Set RF POWER pot to maximum
- Connect RF Power meter to Antenna connector
- Connect AF signal generator mic connector
- Apply no signals to mic connector
- Transmit
- Adjust R510 for 40W
- Apply 1KHz/10mV signals to mic connector
- Adjust R2229 on DSP board for 90%

Speech processor

-

 

Set R392 to Center

Содержание IC-756PRO III

Страница 1: ...the PLL board Adjust L81 and L82 for maximum level LPL A Set display to 0 0300000MHz LSB Connect multi meter to check point LPA Adjust C154 for 2 0V VCO A Connect multi meter to check point LVA Set d...

Страница 2: ...r higher Set display to 44 999999MHz Verify RF output level for 0dBm or higher Set display to 45 000000MHz Verify RF output level for 0dBm or higher Set display to 60 000000MHz Verify RF output level...

Страница 3: ...output level for 0dBm or higher Set display to 44 999999MHz Verify RF output level for 0dBm or higher Set display to 45 000000MHz Verify RF output level for 0dBm or higher Set display to 60 000000MHz...

Страница 4: ...R11 for 100mA Close W29 Final idling current Set the mode to CW Open L8 side of R28 leads and connect current meter Transmit Adjust R18 for 500mA Close R28 FAN Install multi meter between J11 1 and gr...

Страница 5: ...ner OFF Monitor OFF Noise Blanker OFF NR SW OFF RF SQL Center Balance Center NR Level CCW MIC Gain Center RF Power CW COMP Level Center KEY Speed Center BK IN Delay Center Notch OFF Notch Center CW Pi...

Страница 6: ...el to center Adjust R263 for 50W IC APC Connect RF power meter to ANT connector Set radio to 3 550000MHz RTTY Ground CP501 Transmit Adjust R545 for 23A HF RF Power Connect RF power meter to ANT connec...

Страница 7: ...nsmit Adjust R2227 on DSP board for 4 5KHz Apply 1KHz 1mV signals to mic connector Verify transmit modulation for 3 5KHz AM Carrier Power Set radio to 14 100000MHz AM Set RF POWER pot to maximum Conne...

Страница 8: ...ive Adjust L111 L112 and L113 for maximum level RX Total Gain Set radio to follows Frequency 14 1015MHz P AMP OFF Mode USB Shift 0 Filter 2 4KHz Connect RF signal generator to ANT connector Connect SI...

Страница 9: ...hift 0 Filter 2 4KHz Set R271 to center Connect noise generator to ANT connector Connect oscilloscope to CP271 Apply noise signals to ANT connector Adjust L272 for maximum level Turns noise blanker on...

Страница 10: ...watch OFF RF SQL Center RF Power Maximum R863 Center R872 Center Transmitter Connect RF power meter to ANT connector Connect AF signal generator to mic connector Connect RF volt meter to J151 Apply 1...

Страница 11: ...MP ON Mode USB Shift 0 Filter 2 4KHz Set Balance controller to SUB Maximum Set sub frequency to 14 100000MHz Apply 14 1000MHz signals to ANT connector Adjust L613 for maximum RX sensitivity Mixer bala...

Страница 12: ...Set balance controller to Sub maximum Adjust C655 for minimum audio output Scope Set radio to follows Main Frequency 14 100000MHz Mode USB Dual watch OFF P AMP OFF Connect RF signal generator to ANT c...

Страница 13: ...on the tuner Transmit Adjust C3 for minimum voltage Insert jumper plug to REMOTE jack Turn off the radio Hold both SSB and CW buttons and turns radio back on The radio should show Setup Start menu Rep...

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