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IF NO SIGNAL ON MY IC V80 VHF WHAT SHOULD I DO

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  • Anime Series
    Anime Series May 31, 2019

    Try to reset your ic if it not work try to go somewhere there is signal

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Posted on Jan 02, 2017

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SOURCE: IC-M302 VHF Marine Radio: need to have wiring schematic coming out the back ...

Blue: Speaker (+)
Gray: Speaker ( -)
Yellow: NMEA IN (+)
Green: NMEA IN (- )

Posted on Jun 14, 2010

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1 Answer

I need amounting brack for my icom ic m302 vhf marine transceive where can i get it


Try Ebay as a source. I have had good luck finding such accessories for reasonable.

Aug 20, 2014 | Icom IC-M302 VHF Marine Radio

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I can transmit from my ic-v80 to motorolla a8 but they can not transmit on me


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My icom ic v8 is weak on receiving...pls help


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1 Answer

IC-M302 VHF Marine Radio: need to have wiring schematic coming out the back ...


Blue: Speaker (+)
Gray: Speaker ( -)
Yellow: NMEA IN (+)
Green: NMEA IN (- )

May 17, 2010 | Icom IC-M302 VHF Marine Radio

1 Answer

I would lke to know the reference code on the audio out put ic, used in the VHF MARINE IC-M302.


Quick description as per ICOM Manuals:
Quote
The AF amplifier circuit amplifies the detected signals to drive a speaker. The AF circuit includes an AF mute circuit for the squelch. AF signals from IC1 (pin 9) are applied to the de-emphasis circuit (R61, C89). The de-emphasis circuit is an integrated circuit with frequency characteristic of –6 dB/octave. The integrated signals pass through the high-pass filter (Q5, R62–R67, C90, C91) to suppress unwanted lower noise signals. The filtered signals are applied to the AF mute circuit (IC7B), and then passes through the [VOLUME] control (VR board; R1) via the “VOL1” signal. The signals are applied to the AF power amplifier (IC6, pin 1). The output signal from IC6 (pin4) drives the internal (external) speaker.
Unquote
I thus assume the IC you are looking for is the IC described as IC 6.
Data sheet availible online: http://www.datasheetcatalog.org/datasheet/sanyo/ds_pdf_e/LA4425A.pdf
The IC is a Sanyo LA4425A. A 5W Power amplifier.

Apr 02, 2010 | Icom IC-M302 VHF Marine Radio

1 Answer

M402 didnt receive the gps signal transmitted by garmin 72 via nmea 2.0


Check the wiring again. Installing my M422 needed to switch the polarity of the NEMA input from my GPS75. May be similar problem

Oct 23, 2009 | ICOM Informatique Icom IC-M402 VHF Marine...

1 Answer

While receiving the receiver cuts out momentarily approximately every 10 seconds


This sounds like you have the "Weather Alert" function turned on. With this on, the radio will check for an emergency signal on the weather channels about every 10 seconds.

Oct 07, 2009 | ICOM Informatique IC-A23 VHF NAV/COM Air...

1 Answer

I have a vhf transceiver but the unit the can not be transmit.


my IC-V8000 can tx, but rx signal 9++ only....problem is no audio rx, so what is the solution that you can gave a clue ?

Apr 06, 2009 | Computers & Internet

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