Re: HP1955 Board Burnout - Is it Fixable?
I purchased a transistor replacement kit from eBay for a few dollars and today replaced the damaged parts. I'm pleased to report that the monitor is now up and running, and not smoking (yet!).
Thanks to all that took the time to offer advice in this thread.
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Re: HP1955 Board Burnout - Is it Fixable?
Thanks PlainBill, I'm going to try and find the parts and give that a go. Just one further question; the FET on my board is marked J598, is the FU9024N an equivalent part?
Harvey
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Re: HP1955 Board Burnout - Is it Fixable?
That's what worried me at the time.
Do you recommend replacing the fuse with 3A?
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Re: HP1955 Board Burnout - Is it Fixable?
Here's the back of the board
[ATTACH]17225[/ATTACH]
I can see heat damage to the solder joints of Q805, 808 and 809.
And pf701 has 5 A printed on it.Re: HP1955 Board Burnout - Is it Fixable?
Here's the back of the board
[ATTACH]17225[/ATTACH]
I can see heat damage to the solder joints of Q805, 808 and 809.
And pf701 has 5 A printed on it....
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Re: HP1955 Board Burnout - Is it Fixable?
Thanks for the replies, and sorry about the pictures.
I can find the C5707's on a local auction site, so no problem there.
Q815 and Q805 are "J598" - not sure where to get those.
The picofuse is intact.
I'm also not sure where to get a replacement for the grey R75 MKP capacitor that has heat damage.
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HP1955 Board Burnout - Is it Fixable?
Recently, to my alarm, my HP1955 monitor started smoking when turned on. I quickly removed the power and put it outside to cool down.
I was going to ditch it, but wondered if it might be fixable. When I removed the back, I could see that smoke had come from the melting plastic of two transistors and the capacitor (?) between them. I have included a photo of the area:
I'm not electronics expert, but I can wield a soldering iron so I thought I'd seek help from this forum. I would appreciate any help in identifying what has caused this...
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