Typewriter Plotters

Did you know there were typewriters that used ball point pens to draw not just text but also graphics? I’ve collected several of these over the years. Read on to discover a world that you didn’t know existed.

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Another Commodore 64 Black Screen Repair

(This was originally a Twitter thread on September 23, 2018)

September 23, 2018

On the bench today is a Commodore 64 picked up from @Recta_Pete at Atari Party East 2018. This revision is the cost reduced long board because of the sparse components around the VIC-II. I already spot several problems.

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Commodore 64 Black Screen Repair

(This was originally a Twitter thread from September 26, 2018)

September 26, 2018

Next on the bench is an early #c64, 1982 original motherboard with 5 pin video out and a lovely ceramic VIC-II. These tend to be tricky in my experience.

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Recapping an Epson HX-20 Slabtop

(This was originally a Twitter thread from March 24, 2020)

March 24, 2020

The Epson HX-20 is on the bench for some TLC like a new battery, new capacitors, cassette tape belt, and possibly more. Maybe I’ll eventually dial a BBS with it.

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Recapping the Apple PowerBook 160 LCD Display

(This was originally a Twitter thread from May 26, 2022)

May 26, 2022

Today I’m going to recap the LCD display on this PowerBook 160. It has a passive matrix LCD display capable of displaying 4-bit grayscale (16 shades of gray). The display was dim before with some severe artifacts (after adjusting the contrast slider) but now it will only show a black screen.

@mac84tv has an excellent page that lists the capacitors needed for this recap along with the links to Mouser to purchase.

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Sony PS-F9 “Flamingo” Turntable Repair

(This was originally a Twitter post from September 4, 2021)

September 4, 2021

On the bench today: I’ve had this Sony PS-F9 turntable for a few years but haven’t been able to fix it. Power LED lights in button held down. Otherwise, nothing. Any ideas?

Note: Own a Sony PS-F5 or Sony PS-F9 and missing the dust cover? You can purchase new 3D printed reproductions!

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Welcoming (back) a LaserWriter II

July 31, 2022

Welcoming a new (old) printer (back) into my fleet: a LaserWriter II. It’s a workhorse of a printer from 1988 dressed in Snow White design language. #RetroComputing

(This is an experimental post to attempt to convert a Twitter thread into a WordPress post).

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