Question about Yaesu FT-857D HF/VHF/UHF Mobile Transceiver

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FT-857, comes on for 5 seconds, ges off, unplug power plug, reconnect comes on for 5 seconds.

Will not stay on.

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Https://www.eham.net/ehamforum/smf/index.php?topic=65138.0

follow this link and follow all the steps

Posted on Mar 29, 2014

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Posted on Jan 02, 2017

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VHF/UHF RF Power falls to Zero when the Auto ATU tunr logo is on the display. When the tunr logo is off the VHF/UHF RF power is only 10 watts on 2M and 3 watts on 70cms. The Yaesu FT 857 D should have no...


Check for open or shorted Veractor diodes and steering diodes there may be no direct interaction as you say but if a diode is open or shorted the RF circuits might still be selected for the higher bands and the lower output power on your vhf/uhf is an indication of this.
If you do not have a service manual you can get one hear, you will likely kneed one
http://www.tradebit.com/filedetail.php/127575994-vertex-yaesu-ft-857-ft-857d-2005-service-repair
Good Luck Best regarsds Falco

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Software Menu Aligment yaesu FT-857


http://www.hampedia.net/yaesu/ft-857-second-menu.php this link lists the settings to put back to factory abc together when switching on to access

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We had a power outage during a lightning storm this past weekend. We turned on the TV the next morning and it stayed on for 20 seconds then turned off. We rebooted it and same results. Thers is no audio...


Try power cycling the TV. First, unplug ALL cables from the TV, This may sound silly but there can be minute amounts of power coming from your other devices like the cable box or BluRay player and that small bit of power is sometimes enough to hold an electronic device in a particular state. Once they are unplugged, unplug your TV from the power source. Leave it out for a full 60-90 seconds.Reconnect your devices first, then reconnect the TV to its power source. If this does not work, there may have been damage done by way of a power surge.

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How do I disconnect and reconnect my modem?


This should be as easy as pulling the plug from the wall, waiting 30 seconds or so, and then plugging it back in.

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1 Answer

Printer won't start


1. completely unplug power cord from wall socket,
2. unplug power cord from printer
3. unplug printer cable completely from computer
4. unplug printer cable completely from printer.
5. let printer stay disconnected for approx 1 minute
Now securely:
1. reconnect the printer cable to the printer.
2. reconnect the printer cable to the computer
3. reconnect the power cord to the printer
4. reconnect the power cord to the wall socket

turn printer on

You may find that a connection has simply worked itself loose over time.

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Laptop shuts down in 6 seconds.


Most proably it is a main board problem. Contact authorized service center.

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1 Answer

Microwave F-7 Code


F7 is q Power to magnetron
interrupted

1. Unplug microwave oven or disconnect power.
2. After 40 seconds, check to see whether this solves the problem.
3. Unplug microwave oven or disconnect power.
4. Check cooling fan operation
5. Check resistance of the magnetron thermostat.
6. Check the magnetron.
7. Check P2, P4 and P27 connections.
8. Check wiring to the 1100W inverters and control system. See
“Checking Inverters.”
9. Check operation of all interlock switches.
10. Replace inverter, if defective.
11. Replace all parts and panels before operating.
12. Plug in microwave oven or reconnect power.
13. If problem persists, unplug microwave oven or disconnect power.
14. Replace electronic control.
15. Replace all parts and panels before operating.
16. Plug in microwave oven or reconnect power.
17. If problem persists, unplug microwave oven or disconnect power.
18. Check for reversed plug connection on controls or loose wiring.
19. Replace all parts and panels before operating.
20. Plug in microwave oven or reconnect power.

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1 Answer

I Droped my player


See if the manufacturer has a recovery tool on their website. If not:
Try this: disconnect the player from the computer, turn it off, hold in the volume + button, and reconnect the player to the computer while holding the volume + button in. Keep holding the volume + button for an additional 5-50 seconds. Windows should eventually go into recovery mode and revive the player- it will pop up a window that says Found New Hardware.
Wizard.

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