CF-52GUN touchscreen model

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toughasnails
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CF-52GUN touchscreen model

#1 Post by toughasnails »

I have a CF-52GUN touchscreen model that has a problem, no picture. All I get is the Panasonic name at startup and that's it and only on the external monitor. The 52 does startup and goes into windows because I can hear the window startup sound. Now my guess it's the video that is shot. Anyone got any other idea's ?
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ADOR
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Re: CF-52GUN touchscreen model

#2 Post by ADOR »

How clear is the Panasonic Logo on start up? Is the back light still on when it shows nothing?
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wyrm73
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Re: CF-52GUN touchscreen model

#3 Post by wyrm73 »

^ +1 for back light issues. A lot of the "other brand" computers we use at work (rhymes with HELL) had this issue. I got to the point of having users hold a flashlight at an off angle to the screen. Most of the time they could see the image that way and confirm that it was not the display portion of the LCD or graphics card.

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Re: CF-52GUN touchscreen model

#4 Post by toughasnails »

ADOR wrote:How clear is the Panasonic Logo on start up? Is the back light still on when it shows nothing?
On 52 screen
Can't see nothing at all

On external monitor
The logo is very faint and it is just a flicker and then its dark. This is why I think I have bigger problems because I should be seeing something on the external monitor if it was just a bad back light in the 52 LCD..
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CF-19 MK1, 2, 5 Emissive Keyboard, Samsung 240GB SSD, 12GB Ram, W7 64 bit, GPS *
CF-28 MK2, 3
CF-30 MK2 , Intel SSD, 4GB , GPS, W7 Ultimate , Bluetooth, Emissive Keyboard
CF-51 MK3LL Core 2 Duo T7600 Mod , W7, 4GB Ram, 160GB 7200RPM HDD, Finger Print Reader
CF-52MK1 Core2Duo 2GHz, Intel SSD X25 Series ,4GB , BT with dock
CF-52 MK4 i5‑2540M 2.60GHz, ATI Discrete Graphics, Intel 120GB SSD, 16GB,W7 Pro 64bit
CF-53MK1 i5/2520, Kingston Hyper X SSD 240GB, 16GB memory, W7 Pro 64bit with dock
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And the little guys CF-M34 MK3 and MK7
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Re: CF-52GUN touchscreen model

#5 Post by wyrm73 »

Yup, sounds like the onboard graphics. Couldn't hurt to try and heat the chip and redneck reflow it. I haven't heard of Panasonics having this issue, but it was pretty common for the era.

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Re: CF-52GUN touchscreen model

#6 Post by ADOR »

Yep, you need to google the "oven trick" for reflowing motherboards and GPU's. I have done this on a alienware 7600go card and it worked daily for two months. Some times it will work for a lot longer, the reflow station is better but if you don't have one.........................................
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Re: CF-52GUN touchscreen model

#7 Post by mklym »

No offence, but I would not bother w/the reflow. I have done about half dozen video cards and system boards from laptops. Most all of them worked again but only for a limited time . They all failed eventually. I think the heat required to reflow the solder shortens the life of the chip significantly.

Keep it for parts, part it out or buy another system board (the video system is surface mounted on the system board, correct?) would be my recommendation, for what it's worth.
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Re: CF-52GUN touchscreen model

#8 Post by ADOR »

In my case I was just trying to see if the card was all the way dead, or just needed work. I am sure the removable card that alienware had would work after a pro reflow, but a 7600 go just isn't worth the money it would take it to do it right anymore.
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Re: CF-52GUN touchscreen model

#9 Post by mklym »

Most of the units I tried to reflow were dell xps 1710 models w/7950GTX video cards. Back then it was going to cost about $500/card to have them pro reflowed.
CF-29LTQ,CF-31SBM,CF-52youngGUN,

Life's Journey is not to arrive safely at the grave in a well preserved body, but rather to skid in sideways totally worn-out shouting 'Woo Hoo! What a ride!

Motorsports - the only real sport. If it doesn't have a motor, it is just a game.

There is always something waiting at the end of the road, if you are not willing to see what it is, you probably shouldn't be out there in the first place.

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ADOR
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Re: CF-52GUN touchscreen model

#10 Post by ADOR »

Last time I asked it was going to be around 75 for that card, 100 to 150 per motherboard.
CF-28 MK2,Mk3 / CF-29 Mk3 / CF-30 MK2 / CF-25 Mk1 ATI / CF-19 MK3/Mk3/Mk5 / CF-U1 Mk1,Mk2 / CF-M34 Mk7/Mk3 / CF-17 Mk1 / CF-07
Voodoo Envy M355 / M360 / M515 / M780 / U703 / Voodoo Hexx / Voodoo Idol / Voodoo Rage F1 / Voodoo Rage F1 / Voodoo Rage F1 "signed case" / Voodoo Omen
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