Furuno FCV-585 fish finder sonar depth sounder repair

[@KaiWeber-ms4ke]

I did fixing another 585 with the help of your video in no time. Many thanks for sharing your knowledge and keep on going!! Great work.

[@bairsjw]

i had 2 of these at our workshop, 1 worked after replacing caps but failed after a few months again, i had thrown them in the corner, then a 3rd came in so decided to look again, found your video, now all work!. the track must continue to corrode after cap replacement. I ended up replacing all caps except the larger power filter one, and found several at the leaking stage, definitely recommend replacing all if doing this fix!

[@shaneapps3880]

I've got a Furuno echo sounder I have to fix this weekend with broken connectors, luckily the guy has another unservicible unit with good connectors. I was looking around youtube and came across your video. I was thinking of fixing the broken one as well. Anyway its nice to see an experienced techo looking for the obvious before delving into the circuit. I'm our local retired electronic guy that does this type of work for fun and sometimes a bottle of scotch (mainly from the guys that own boats and not the poor farmers). Thanks

[@JonnyFix]

Oh good stuff. Yes this is one way to keep the bottle full but I need to cut back a bit myself ;)

[@bairsjw]

you can get replacement connectors from Furuno..

[@jimmikoz2739]

Gee Johnny Fix I have a FCV 588 and it stopped working the next week after going out. Pulled wire out from fuse box and connected it to a battery and sounder stated working. When I touched the power lead it stopped again. Had a look into the pins on the sounder and the power lead had a green type build up. I sanded that off and sprayed it with contact cleaner but that did not work so I sprayed the pins with WD40 bingo sounder working again. I hope this will help others

[@mortenrolsing7137]

Fantastic video, Thanks a lot for sharing, keep up the nice work :-) Greatings from denmark :-)

[@perefullana8297]

Dear Johnny, thanks a lot for your video. I have the same fish finder with the same problem. My brother Jaime and I have replicated your repair and IT WORKED!!! It was not until we jumped the trace with a copper wire that it worked. It is very strange. It seems that this is a programmed obsolescence. Why is there a hole prepared to pass the wire through? Anyway, your video explains the procedure perfectly and helps a lot to keep understanding electronics. I teach at university (environmental engineering) and I must say your pedagogy is far better than mine. Kind regards from Mallorca, Pere and Jaime

[@JonnyFix]

Thanks! I appreciate the comment and glad I helped with your problem. Planned obsolescence is a bit of a stretch here but yes it certainly does exist. Not surprised you had the same failure as these caps are destined to leak and the units are always mounted one way then gravity dictates the leak will run to the same area on the board and cause the same damage. The hole for the wire is just pure luck :) Happy sailing!

[@yellowbrickroad3592]

Hey Jonny, can you tell me what pins to use to power up the unit without a connector? Thanks

[@yankeebravo]

Dear Jonny, could you tell me what is the name of that IC Q14 you put the finger on at 17:11 that one receive the 12V very close to the capacitor C31 you replaced after first try and it do not work.. thanks Ivan

[@JonnyFix]

If you mean the 3 pin device I think it's Q13 and likely a transistor of some sort (I no longer have the device for reference). Q14 is the 8-leg IC closer to the white connector.

[@yankeebravo]

@@JonnyFix I mean the Q14 8 pin IC 1055 something...closer to the white conector J3... at the forum they say about 1055-7k2-62T2 part number 000-156-131

[@JonnyFix]

@@yankeebravo I think it might be an LT1055 single JFET opamp package that could be used for signaling on the data line, I think they have a serial data line that can talk to other devices, some kind of marine equipment standard?

[@DavidAnderson-nu3ro]

Hi Jonny I have a sounder with the same issue are you interested in fixing another?

[@junietheexplorer881]

sir can i ask you idea i have fcv620 no power problem

[@omercaliskann]

i fixed problem from your way. Thank you for your share. Have a nice work. 👍

[@JonnyFix]

Good stuff!

[@ThingsWhichArentWork]

Awesome... Another Jonny Fix video... It's been too long my friend. Cheers!!

[@JonnyFix]

Thanks mate!

[@gustiahay1193]

Sir, I have a Furuno type FCV 620 when it is turned on, the display voltage continues to drop and turns off, turn it on again and again, the voltage drops in what circuit should I fix and replace the components ... please help ... thank you

[@Chris-y4x9z]

Hi Jonny You are a pretty cleaver guy. I have a Furuno FCV-588 that won't power up, if you would like the challenge, I'm Tauranga based.

[@abelardodelangel5979]

se me descompuso el display de sv620 no CE ve lasimagenes de la pantalla. donde puedo conseguir un display..?? ayuda .SOS .

[@timappo3497]

This is exactly what mine is doing, do you do repairs form Australia

[@lenindender8607]

Se me daño el diplay de la Garmin 320C me podrian decir donde encontrarlo

[@brucecronin6396]

Congrats !! Great video. I have a 585 that black screens. Now I'm gonna take it apart and look. Thanks for the inspiration. Capt. Bruce

[@lenindender8607]

Hola la sonda furuno fcv620 enciende pero no tengo brillo.que puedo a ser

[@highdesertblues]

Do you have the capacitor part number? I need one asap..Thanks!😁😁

[@JonnyFix]

No part number sorry. Just find one the same size and values as old one.

[@giuseppegemellaro4124]

Hi Jonny, I'm writing from Italy. I have a Furuno fcv 585. There is this problem where the screen works but all I can see It's white, theres no immages shown. The buttons work just fine with sound and all. I would be very glad if you could help me. Thank you

[@JonnyFix]

I guess firstly make sure no water has got inside it and everything is clean. If there's any corrosion you will need to deal with that. If everything looks clean try removing then re-inserting the flat screen flex cable in case the connector came loose or the connection has gone bad over time, this can sometimes help. If it's not something simple like that I'm not sure without some advanced troubleshooting e.g. use an oscilloscope to see if there is data on the connector that would suggest the processor is making an image, if so the lcd might be damaged or missing a power rail. If not there could be an issue with the processor or related circuitry that makes/relays the data.

[@giuseppegemellaro4124]

@@JonnyFix I'll try to check this things out. Thank you very much for your help

[@TrungTran-gv9oe]

@@giuseppegemellaro4124 did you manage to fix your white screen issue ? If not, there is now a video on KZbin posted by FREDDEX2021 that addresses the exact problem. The fix was to jumper one of circuits but the video is unclear to the exact components… might be help for you issues

[@alfasipuna]

Same problem with furuno fcv 620 black screen.

[@sergioadriancervetto4901]

Hi Jonny , my name is Sergio from Italy . my friend give me to check a Furuno 620, this fell from 40cm and now don't start up any more , when you try to switch on listen a little bit one (bit) but the display is off , can you help me pleased

[@JonnyFix]

You need to look for the physical damage. If it makes noise and there are lights then it's probably a broken display or if you shine a light close to it and see a picture then maybe the backlight tube broke (if it's not led).

[@Toonseskat]

Do you repair for the public?

[@JonnyFix]

Not at the moment sorry

[@walterbaula9414]

How can I send my unit to u

[@aisyllkbakmaisyllktest6392]

Good day, we have the same device defective. CR21 smd diode burnt out. I can't read the label on it. Can you tell what the label of this diode is? Thank you .

[@JonnyFix]

I no longer have this unit so can't read it for you.

[@larisavieru3056]

​@@JonnyFix We need this device or similar. Where can I find such a second hand device?

[@joelassis5253]

C3 49

[@bolo_antrax_kennels]

Hi I have a furuno 1623 radar I think the Magnetron is going bad ... how can I check that... can you help

[@JonnyFix]

I don't know. Check the manual for a self test function. If you can borrow a known good transducer to test with, or plug your unit into another boat setup that might prove if it's the unit or the transducer. I don't believe they run magnetrons.

[@luchluchluke]

Where are you located I have a 585 doing the same thing as this

[@s1rx79]

Jonny nice vid! What were the ratings on the capacitors i noticed 1 was 16v 100uf i think.. What was the 2nd cap replaced?

[@JonnyFix]

The first one in the middle is 50V 100uf, the 2nd by the white connector is 16V 100uf

[@s1rx79]

Awesome cheers. Nice work around there with bypassing the pads for traces. I have an earlier 620 im going to have a look at. Was there any signs i.e bulging on top of the caps?

[@JonnyFix]

As shown the caps were leaking out. Other than a little bit of a mess on the board they looked fine.

[@kermets]

Great job mate.....Im surprised you could pull this apart and its not glued together.

[@JonnyFix]

I just hope the sealing rubber is re-usable :)

[@jamesrice5800]

Great repair video! Thanks for sharing. Have you experienced a upside down screen?

[@JonnyFix]

I have not. Can't imagine it would be a software setting but you could try installing the latest version then check the flex connector inside, unplug it make sure it's clean.

[@robboat3864]

What are the pices that look like little gray top hats?

[@JonnyFix]

I guess you mean the small silver cans with a black mark on top? These are capacitors.

[@iksanbima1781]

I have Furuno fcv 620,Furuno logo was appear just in a second.afrer that blank.no picture. But the sound of button is on. Can you help me?

[@JonnyFix]

Hold a bright light to the screen and see if you can see the image. If you can then the backlight has failed. If not then I don't know what it could be. Check for physical damage inside for a start.

[@iksanbima1781]

@@JonnyFix no image,dear 😢

[@Rosewoodtone]

Good fix Johnny!

[@syamsk673]

Jonny... furuno fcv 667.. range stuck in 100 ftm.. its not changing why?

[@JonnyFix]

Sorry, no idea.

[@giuseppelogg3284]

Hi Jonny I am writing to you from Italy I wanted to ask you if you can help me, you give the service manual of the fcv585 on my burst a chip and you can no longer read the model number, if you want I can send you a photo so maybe you could help me better if not the manual, thanks. Joseph

[@JonnyFix]

I'm sorry, I do not have the service manual for these units. If you cannot read the number on the chip you will need to look at the part of the circuit it is connected to and make educated guess as to what it does and then find suitable replacement. Might be some trial and error.

[@PeppeLoGGiu]

@@JonnyFix Jonny I had thought that if I could attach a photo of the circuit you could look in yours and tell me the model of the chip and you would have been very helpful. Joseph.

[@JonnyFix]

@@PeppeLoGGiu It would, only I do not have this unit anymore. Most of my videos are other peoples equipment.

[@thomblackwell9687]

Well done!

[@JonnyFix]

Cheers mate

[@bepperighetti9106]

my furuno goes off alone. can this be? thanks! beppe

[@JonnyFix]

Is it after the same amount of time each time it's turned on? Maybe there's a setting for auto off that has become enabled. I really don't know much about this units operation.

[@bepperighetti9106]

there is no time equal to sometimes 10m sometimes 1 hour sometimes a day.can you help me ? thanks beppe

[@JonnyFix]

Could be many reasons even down to something simple like the power feed to the unit being interrupted through bad connection etc.

[@PUPETTA78THEBEST]

Ciao Beppe hai risolto il problena

[@kawikaalana9878]

Nice I have a 588 brand new only used a few times and now doesn’t even power up have 12v all the way to plug in the unit

[@JonnyFix]

Would be worth investigating, might be similar issue.

[@tonyrapa3885]

Hello Johnny I have a furuno fcv585 sounder and it’s the same problem with what you’ve got on your video the light goes on and of but now everything went off... can you fix it and I will send it to you if you can so I need your postal address so we can send it hope you can help my problem and thank you so much and I hope I will hear from you

[@JonnyFix]

I"m sorry, I don't have a secure means of receiving items in post.

[@edhimanoto799]

Ineed remove LCD

[@Spaniardking]

Jonny, what is the ball park cost for this sort of repair. My Furuno FCV-585 is doing the exact same thing. You can email me if you like - heath AT gcfishing dot com I'm located in Queensland

[@JonnyFix]

I don't have a rate as I'm not in business but any repair shop worth their salt should be able to do this straight forward repair. If I had to guess you might be up for $60/hr and if as simple as this won't be more than an hour. Some places might have a minimum charge even if not fixable. Cost of parts a couple $ each tops. These units aren't cheap so would be worth repairing for sure. My only concern is if the o-ring will still seal the case. I guess only an official service agent could provide a new one. Nothing a thin smear of silicone won't solve tho!