Furuno FAX-30 Service Manual page 16

Facsimile receiver

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Operator's manual (125 pages)

Features (1 page)

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CPU generates RCV TEST signal at the self test. Receiving this signal, the switch, Q11 turns on

and 18 MHz test signal is supplied to the antenna terminal.

Item

Receiving frequency

Emission mode

Antenna impedance

First IF signal

Second IF signal

Synthesizer

Power supply to pre-amplifier

I/F board (08P3220)

3-pin, MJ connector for power supply and 6-pin, MJ connector for Network are soldered onto the

I/F board.

Specification

FAX LF: 80 kHz to 160 kHz

FAX MF/HF: 2 MHz to 25 MHz

NAVTEX: 490 kHz/518 kHz

FAX: F3C/J3C

(1) LF ± 150 Hz

Normal mode: white: +150 Hz; black: -150 Hz

Reverse mode: white: –150 Hz; black: +150 Hz

(2) MF/HF ± 400 Hz

Normal mode: white: +400 Hz; black: -400 Hz

Reverse mode: white: –400 Hz; black: +400 Hz

(3) NAVTEX: F1B (± 85 Hz FSK signal, 100 bps)

50 ohms

53.98371 MHz

16.29 kHz

Reference frequency: 18 MHz ± 2.5 ppm

First local oscillator: F+53.98371 MHz, 100 Hz step

Second local oscillator: 54000 kHz

Test signal: 18 MHz

+12 VDC

Chapter 2 Circuit Description

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