Question about Lowrance LCX-27C GPS Receiver

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Lowrance LCX-20 Will not power up. I have 12 VDC to correct pins on plug.

Unit has been working fine. I have cleaned all connections and sprayed with silicon. Still no-go.

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
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Posted on Jan 02, 2017

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hydetech
  • 113 Answers

SOURCE: Lowrance LCX-19C GPS Receiver Problem

It sounds like you may have to send it out for service, but before you you do there are a few things you can try.

Low voltage can cause erratic behavior. Since you already wired directly to the battery, check the plug for corrosion.

Try unplugging the transducer cable to see if the display still behaves erratically. You wont see depth readings but you should still see the screen going black. If no erratic behavior with transducer unplugged then problem is in the transducer cable or the plug. A common source of failure is at the plug because the added stress of plugging and unplugging cables can cause the socket to twist slightly which can cause a short.

Make sure you have the latest software update.

How to see if your LCX-19C is already using version 1.8.0 software:

  1. Press the MENU button twice on your LCX-19C.
  2. Select SYSTEM SETUP.
  3. Select SOFTWARE INFORMATION.
  4. The software version for your unit is located under the line that says "LCX-19C" (ex. "Version 1.8.0").
  5. If your version is the same version listed above, there is no need to download the software.
If it is lower than 1.8.0 you can download the update from this link: LCX-19C UPDATE
Copy it onto a blank MMC card and install it in your GPS. The GPS should prompt you on how to install the update.

If you need to send the unit in for service click this link: LOWRANCE SERVICE

Good luck!

Posted on Mar 17, 2008

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  • 1 Answer

SOURCE: Lowrance LCX-16ci - screen's gone out

I have a working unit with a bad antenna. Interested?
Davidwcantrell@comcast.net

Posted on Aug 07, 2008

CMV9
  • 594 Answers

SOURCE: When turning on the Lowrance

here is the link to your the lowrance web site. the trouble shooting guide says that if you tried to it on another boat than you might need to take it in for service. but there is a section that explains how to do a soft reset on the unit. you might try that.

http://www.lowrance.com/en/Support/Troubleshooting-Guide/Depth-Reading/

please rate and comment on your experiance with fixya.

Posted on Aug 15, 2008

  • 2 Answers

SOURCE: i just bought a lgc

hi the lgc has to be powered also with the nmea cable,red to+,black and shield to-,you also need a 60ohm terminator atached to the short length coming from the y piece,the manual does not state this very clear and lowrance is not much help

Posted on Feb 10, 2009

jjanssen7
  • 6 Answers

SOURCE: LMS 332c Power cycles on own

i've repaird this by installing a secondary powerswitch and disconnecting the power switch on the keypad. It's an involved repair but it can be done.


Posted on May 28, 2010

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Lowrance LCX power up problem


On Lowrance LCX-19 and I would assume other LCX series units.
The T3 Transformer shorts out and when the sonar kicks in it causes the unit to go over current and will eather cause the unit to reset and start again or blow the fuse. If you have the ability you can re-wind the transformer.

The primary is 46 turns of 24awg inverter duty magnet wire,
The secondary is 164 turns of 26awg inverter duty magnet wire.

Be sure to keep the same winding direction as what you take off as it may be phase sensitive. Be sure to use mylar tape between the primary and secondary windings.

Just a note this board has very heavy power planes and is very hard to solder/de-solder on.

If you have any questions or need help you can contact me at info@jtechnicalservices.com

on Jul 20, 2010 | Lowrance LCX-19C GPS Receiver

1 Answer

I have a lcx 110 lowrance graph that wont power up at all. i replaced all the wiring to the unit and tested the plug at the unit all of that is good i also cleaned the connections still nothing. any ideas?


I have found several units that have the same problem. All turned out to be a defective keypad. And almost all are specifically the power button. Not something Lowrance will repair. I've been purchasing some of these units for parts. If you still have it I might be interested. jadamec@yahoo.com

Aug 23, 2011 | Lowrance LMS 332c Mapping Sonar/GPS...

1 Answer

I am trying to troubleshoot whether or not my ultra x2 connect 550 watt power supply is bad. When you press the power button on the computer, the light flashes and then noth9ing else happens. The light...


Well here is a way to check your power supply, on your hard drive connector using your volt meter and measuring from ground. this would be using one of two middle connectors it should measure +5 VDC on the red wire and + 12 VDC on the yellow wire. If these voltages are good then we got to see if the power supply is producing the -12VDC voltage. This voltage is ussed by the syustemboard on pin 14 of a 24 pin power supply. I would recommend not having your system board plugged in while measuring these votlages, but the power supply may need a load, I would plug in the cdrom.. Below are a couple of picture to explain this and a link to a website that has this documented.

http://www.playtool.com/pages/psuconnectors/connectors.html

dfish26_1.jpg The 24 pin main power connector was added in ATX12V 2.0 to provide extra power needed by PCI Express slots. The older 20 pin main power cable only has one 12 volt line. The new 24 pin connector added one line apiece for ground, 3.3, 5, and 12 volts. The extra pins made the auxiliary power cable unnecessary so most ATX12V 2.x power supplies don't have them. The 24 pin connector is polarized so it can only be plugged in pointing in the correct direction.
Pinout Pins 1 through 12 Pins 13 through 24 Description Wire color Pin number Pin number Wire color Description +3.3 volts orange 1 13 orange +3.3 volts +3.3 volts orange 2 14 blue -12 volts ground black 3 15 black ground +5 volts red 4 16 green PS_ON# ground black 5 17 black ground +5 volts red 6 18 black ground ground black 7 19 black ground PWR_OK gray 8 20 white -5 volts (optional) VSB +5 volts purple 9 21 red +5 volts +12 volts yellow 10 22 red +5 volts +12 volts yellow 11 23 red +5 volts +3.3 volts orange 12 24 black ground
Good Luck I hope this helps.

Nov 19, 2010 | PSA Ultra X2 Connect (ULT31851) 550-Watt...

1 Answer

My LCX15 MT will not turn on


If the power connections are good and clean, you can get a volt meter to test power through the power cable. Unplug the power cable and test for 12VDC across the two big female pins. If you are getting good power, then the LCX-15MT is toast and it will need to be replaced. If you can get a hold of Lowrance support at 800-324-1356 or email at http://www.lowrance.com/en/Support/Product-Support/Contact/ you can get a rebate toward a current model.

Jul 12, 2009 | Lowrance LCX-15MT GPS Receiver

1 Answer

My Lowrance lcx-15mt backlight does not light up. I did not get help from the company, they do not make parts anymore. Is there a person or place that could fix this problem?


Just make sure your power is good and that all of the power connections are clean. Install software updates from http://www.lowrance.com/en/Downloads/Product-Software-Updates/ if you don't already have the latest.

If all of that checks out, take the rebate letter that Lowrance will offer you since they can't fix it any longer and think about the new fishfinder you want to buy. They won't make you send that LCX-15 back so if it is usable at all you can still go with it.

There is no repair facility anywhere that will be able to fix this cheap enough for you. I guess you could check with some electronic repair shops and see if they could take a look, but most likely wouldn't be worth the money...you'd be better off putting the money into a new unit.

Jun 25, 2009 | Lowrance LCX-15MT GPS Receiver

1 Answer

Lowrance LCX 28c HD with Navionics HotMaps Premium SD chip. Chip worked fine last fall but when I went to use yesterday the Lowrance would not read the chip.


I had the same problem with my handheld Lowrance Hunt C. After installing the card and locking it in place, I had to slide the card "out" toward the locking mechanism. It barely moves, but worked after that. Whenever I load the card, I now slide it out or wiggle it and it works every time.

Apr 20, 2009 | Lowrance Lcx 28c Hd 7" Gps Fish Finder...

2 Answers

LCX-25C seems to be cycling on & off when in the sonar mode.


Did you ever get your problem fixed, I having the same issues.
Ken

Apr 17, 2009 | Lowrance LCX-25c GPS Receiver

1 Answer

Gps will not turn on lcx 27c


i have lcx 27c gps will not work locked up module not responding but has power to it

Jan 06, 2009 | Lowrance LCX-27C GPS Receiver

1 Answer

Lowrance LCX-19C GPS Receiver Problem


It sounds like you may have to send it out for service, but before you you do there are a few things you can try.

Low voltage can cause erratic behavior. Since you already wired directly to the battery, check the plug for corrosion.

Try unplugging the transducer cable to see if the display still behaves erratically. You wont see depth readings but you should still see the screen going black. If no erratic behavior with transducer unplugged then problem is in the transducer cable or the plug. A common source of failure is at the plug because the added stress of plugging and unplugging cables can cause the socket to twist slightly which can cause a short.

Make sure you have the latest software update.

How to see if your LCX-19C is already using version 1.8.0 software:
  1. Press the MENU button twice on your LCX-19C.
  2. Select SYSTEM SETUP.
  3. Select SOFTWARE INFORMATION.
  4. The software version for your unit is located under the line that says "LCX-19C" (ex. "Version 1.8.0").
  5. If your version is the same version listed above, there is no need to download the software.
If it is lower than 1.8.0 you can download the update from this link: LCX-19C UPDATE
Copy it onto a blank MMC card and install it in your GPS. The GPS should prompt you on how to install the update.

If you need to send the unit in for service click this link: LOWRANCE SERVICE

Good luck!

Mar 15, 2008 | Lowrance LCX-19C GPS Receiver

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