Hotspot on Vision Electronics

tecdivertraining · 20th June 2006, 11:45

Hi all
We have a new vision on an evolution that has developed quite a large hotspot on the handset. I am quite sure it is not been caused sunlight as its not been exposed to any. Has anyone else experienced this with the vision electronics or could anyone shed any light on what may cause this.

Thanks

Mark Chase · 20th June 2006, 11:49

Its a common problem but most have agreed that they had the unit in sunlight at some point, like when it was strapped to the back of the dive boat for example

Designing something for the big bad outside world and having it sensitive to sunlight is errrrrr.. very odd.

ATB

Mark Chase

James · 20th June 2006, 12:58

I thought I'd read somewhere that this was caused by a heatsink comming away from one of the CPU's in the handset. Could be talking cr@p, but I'm sure I saw something about it on RBW. Could have seen it anywhere on one of my trawls through the internet.

Best action is to contact AP & ask them about it.

James.

tecdivertraining · 20th June 2006, 12:59

Hi Mark

This unit has only 5 dives and has been in no sunlight maybe its something else?

colinicky · 20th June 2006, 14:05

See this thread for more info :-
http://www.rebreatherworld.com/gener...egularity.html

and no mine was not in the sun either & has only done 6 dives but developed it after 1 .

Mark Chase · 20th June 2006, 15:14

Quote: (Originally Posted by tecdivertraining)

Hi Mark

This unit has only 5 dives and has been in no sunlight maybe its something else?

Ahhhhh that'll be a cracked hand set then

Whops sorry wrong AP unit.

Seriously though, its very interesting you say that. The three people I know who had the problem ended up convinced by AP it was a sunlight issue. So if its somthing else, I bet they would like to know.

ATB

Mark Chase

James · 20th June 2006, 15:45

Quote: (Originally Posted by colinicky)

See this thread for more info :-
http://www.rebreatherworld.com/gener...egularity.html

and no mine was not in the sun either & has only done 6 dives but developed it after 1 .

That's the thread I was on about. Looks like the best course of action is to send it back to AP.

James.

Patto_chan · 20th June 2006, 15:59

I got my Vision electronics upgrade a couple of weeks ago in the midst of unusually warm weather ... for Ireland that is.

I had my gear in the trunk of my car while at work on a Friday before I headed off for the weekend. Although the handset was not in direct sunlight the slight brown spot formed in the LCD screen. The inside of the trunk would have been approx. 30 to 40 deg C perhaps.

I queried AP and was told the spot would disappear when the ambient temperature dropped. And it did. It did not reappear all weekend although the ambient temperature was in the low 20s C.

I guess if you live in the tropics the brown spot could appear rather often.

Depth-junkie · 20th June 2006, 16:06

I have used my vision at home and abroad in Egypt, and have never had this problem.

The only thing that i have noticed is that on deep dives when there is a big diff from surface temp to depth temp the background of the LCD goes a bit darker (like when you turn the contrast up).

We did a dive 2 weeks ago in dorry. The surface temp was 14'c and at 70m it was 5'c and i noticed the screen being as if the contast had been turned up to max darkness.

As soon as we got back up into warmer water 10'c ish it returned back to normal. Nothing to worry about just the l-crystal reacting to big temp diffrences.

ATB
Gareth

colinicky · 20th June 2006, 16:15

Since my last post I have just spoken to AP service department .They are re potting a new screen on my handset as we speak so they are ringing me before dinner tomorrow .
Apparently there are NO heat sinks in the handset & it is a component on the board heating up that causes this

how the hell it heats up when it's switched of I dont know ? maybe that explains some peoples flat batteries ? (sorry Mark couldn't resist even though it's the wrong unit

)
So they have changed the "Gel " ??? which sounds like a get around the problem rather than fixing it .next installment tomorrow

20th June 2006, 11:45	#1 (permalink)
tecdivertraining RebreatherWorld Sponsor Current Rebreather/s: Inspiration Classic Inspiration Vision Evolution Megalodon Ouroboros Dolphin Other Rebreather/s: Not Bought Yet Dolphin Join Date: May 2005 Location: Phuket, Thailand Posts: 514	Hotspot on Vision Electronics Hi all We have a new vision on an evolution that has developed quite a large hotspot on the handset. I am quite sure it is not been caused sunlight as its not been exposed to any. Has anyone else experienced this with the vision electronics or could anyone shed any light on what may cause this. Thanks __________________ Mathew Partridge Technical Director Pro-Tech Dive College www.protechdivers.com www.tech-ccr.com
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20th June 2006, 11:49	#2 (permalink)
Mark Chase RBW Member Current Rebreather/s: Classic Kiss Other Rebreather/s: Inspiration Classic Join Date: Jan 2005 Location: Kent Posts: 2,823	Re: Hotspot on Vision Electronics Its a common problem but most have agreed that they had the unit in sunlight at some point, like when it was strapped to the back of the dive boat for example Designing something for the big bad outside world and having it sensitive to sunlight is errrrrr.. very odd. ATB Mark Chase __________________ See my "Doing It Chasey" video where I'm locked into a padded room, naked, with two ball bearings and within an Hour, I manage to lose one and break the other!!! Kevin Juergensen 16/11/08 [/quote]
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20th June 2006, 12:58	#3 (permalink)
James New Member Current Rebreather/s: Inspiration Classic Other Rebreather/s: Join Date: May 2005 Location: UK Posts: 59	Re: Hotspot on Vision Electronics I thought I'd read somewhere that this was caused by a heatsink comming away from one of the CPU's in the handset. Could be talking cr@p, but I'm sure I saw something about it on RBW. Could have seen it anywhere on one of my trawls through the internet. Best action is to contact AP & ask them about it. James.
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20th June 2006, 12:59	#4 (permalink)
tecdivertraining RebreatherWorld Sponsor Current Rebreather/s: Inspiration Classic Inspiration Vision Evolution Megalodon Ouroboros Dolphin Other Rebreather/s: Not Bought Yet Dolphin Join Date: May 2005 Location: Phuket, Thailand Posts: 514	Re: Hotspot on Vision Electronics Hi Mark This unit has only 5 dives and has been in no sunlight maybe its something else? __________________ Mathew Partridge Technical Director Pro-Tech Dive College www.protechdivers.com www.tech-ccr.com
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20th June 2006, 14:05	#5 (permalink)
colinicky RBW Member Current Rebreather/s: Inspiration Vision Other Rebreather/s: Inspiration Classic Join Date: Mar 2005 Location: uk Posts: 678	Re: Hotspot on Vision Electronics See this thread for more info :- http://www.rebreatherworld.com/gener...egularity.html and no mine was not in the sun either & has only done 6 dives but developed it after 1 . __________________ Colin I trust my rebreather completely , I just don't trust the user onwards & downwards
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20th June 2006, 15:14	#6 (permalink)
Mark Chase RBW Member Current Rebreather/s: Classic Kiss Other Rebreather/s: Inspiration Classic Join Date: Jan 2005 Location: Kent Posts: 2,823	Re: Hotspot on Vision Electronics Quote: (Originally Posted by tecdivertraining) Hi Mark This unit has only 5 dives and has been in no sunlight maybe its something else? Ahhhhh that'll be a cracked hand set then Whops sorry wrong AP unit. Seriously though, its very interesting you say that. The three people I know who had the problem ended up convinced by AP it was a sunlight issue. So if its somthing else, I bet they would like to know. ATB Mark Chase __________________ See my "Doing It Chasey" video where I'm locked into a padded room, naked, with two ball bearings and within an Hour, I manage to lose one and break the other!!! Kevin Juergensen 16/11/08 [/quote]
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20th June 2006, 15:45	#7 (permalink)
James New Member Current Rebreather/s: Inspiration Classic Other Rebreather/s: Join Date: May 2005 Location: UK Posts: 59	Re: Hotspot on Vision Electronics Quote: (Originally Posted by colinicky) See this thread for more info :- http://www.rebreatherworld.com/gener...egularity.html and no mine was not in the sun either & has only done 6 dives but developed it after 1 . That's the thread I was on about. Looks like the best course of action is to send it back to AP. James.
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20th June 2006, 15:59	#8 (permalink)
Patto_chan Annoying fish since 1992 Current Rebreather/s: Inspiration Vision Other Rebreather/s: Inspiration Classic Join Date: Feb 2005 Location: Ireland Posts: 63	Re: Hotspot on Vision Electronics I got my Vision electronics upgrade a couple of weeks ago in the midst of unusually warm weather ... for Ireland that is. I had my gear in the trunk of my car while at work on a Friday before I headed off for the weekend. Although the handset was not in direct sunlight the slight brown spot formed in the LCD screen. The inside of the trunk would have been approx. 30 to 40 deg C perhaps. I queried AP and was told the spot would disappear when the ambient temperature dropped. And it did. It did not reappear all weekend although the ambient temperature was in the low 20s C. I guess if you live in the tropics the brown spot could appear rather often. Last edited by Patto_chan : 20th June 2006 at 16:14. Reason: typo
(Online)

20th June 2006, 16:06	#9 (permalink)
Depth-junkie 10/52 Psycho Current Rebreather/s: Inspiration Vision Other Rebreather/s: Join Date: Aug 2005 Location: Wrexham Posts: 298	Re: Hotspot on Vision Electronics I have used my vision at home and abroad in Egypt, and have never had this problem. The only thing that i have noticed is that on deep dives when there is a big diff from surface temp to depth temp the background of the LCD goes a bit darker (like when you turn the contrast up). We did a dive 2 weeks ago in dorry. The surface temp was 14'c and at 70m it was 5'c and i noticed the screen being as if the contast had been turned up to max darkness. As soon as we got back up into warmer water 10'c ish it returned back to normal. Nothing to worry about just the l-crystal reacting to big temp diffrences. ATB Gareth
(Offline)

20th June 2006, 16:15	#10 (permalink)
colinicky RBW Member Current Rebreather/s: Inspiration Vision Other Rebreather/s: Inspiration Classic Join Date: Mar 2005 Location: uk Posts: 678	Re: Hotspot on Vision Electronics Since my last post I have just spoken to AP service department .They are re potting a new screen on my handset as we speak so they are ringing me before dinner tomorrow . Apparently there are NO heat sinks in the handset & it is a component on the board heating up that causes this how the hell it heats up when it's switched of I dont know ? maybe that explains some peoples flat batteries ? (sorry Mark couldn't resist even though it's the wrong unit ) So they have changed the "Gel " ??? which sounds like a get around the problem rather than fixing it .next installment tomorrow __________________ Colin I trust my rebreather completely , I just don't trust the user onwards & downwards
(Offline)

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