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IBM ThinkPad 330c (5523-JJW) (Japan)

Older ThinkPads.. from the 600, the 7xx, the iSeries, 300, 500, the Transnote and, of course, the 701
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Joined: Tue Nov 13, 2018 11:20 am
Location: Manchester, UK

IBM ThinkPad 330c (5523-JJW) (Japan)

#1 Post by TheBluPlatypus » Wed Nov 14, 2018 8:26 am

Guys, need help, sorry if this is irrelevant, First time post here.

I have an IBM ThinkPad 330c 5523-JJW 12 MB RAM, Given by my friend, Love collecting these retro ThinkPads, But it has a broken screen, It was wrinkled due to the heat, he mentioned

One day, After I've plugged this laptop, It suddenly blows. Then I've noticed it has 110 V AC Power Rail, Which I didn't expect. Here in UK, We use 230 V AC. Do someone knows how to get or fix my power supply?

It doesn't have any battery, But rather that internal AC Adapter!

Specification Included on the bottom of the laptop: 15V DC1.4A 21W
Specification Included on the AC Adapter: Input AC 100V 51VA 50/60 Hz Output 15V DC 1.4A

Though, I have a hard time finding the power supply for it due to the "51VA" which I don't know. I was able to make a remedy/solution for it as a Electronics Beginner, But the specified thing may be as required to run the thing and the missing information that I don't have.

Also I've noticed an exploded fuse. However upon opening/checking it, The copper pads are degraded or corroded from the leaking Capacitors. and broken Coil Inductors that made me impossible to recondition the AC Adapter. Though, I think it's fine to find a compatible Adapter and replacing it's metal contacts to the new AC Adapter and put it inside the case. Though, Still the missing information. Thank you!

It was something covered with flux with the reverse side inside the board of the AC Adapter, It was already there before dis-assembling or modify it, Though some part of it's electrical disturbance! And it destroyed it's copper pads due to the leaking capacitors.

The parts I removed on the AC Adapter: AC Plug, The Plug to the laptop, A thermistor

All answers are appreciated

That's all

Thank You!

(Also posted on Thinkpad Reddit)

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