Yamaha DX7 II-FD Digital Programmable Algorithm Synthesizer

Yamaha DX7 II-FD Digital Programmable Algorithm Synthesizer

This is the synthesizer that I've searched for quite some time: a Yamaha DX7 II-FD...

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Uploaded on Jan 22, 2012

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New Switches Installed

New Switches Installed

New tactile switches installed. The panel switches now respond with a single button press.

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Uploaded on Jan 22, 2012

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Me Soldering

Me Soldering

Soldering the new switches onto the PCB. There were 46 switches in total. 184 separate solder points...

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Uploaded on Jan 22, 2012

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Dimension Comparison

Dimension Comparison

New switch (left) compared to the old switch (right). Same dimensions.

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Uploaded on Jan 22, 2012

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Open Up Closed Holes on Solder Pads

Open Up Closed Holes on Solder Pads

Desoldering pump was used to prep the solder pad and open the holes for switch insertion.

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Uploaded on Jan 22, 2012

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Old and New Tactile Switch

Old and New Tactile Switch

Old switches (left) were made by ALPS, compared to the new switches (right) made by Omron.

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Uploaded on Jan 22, 2012

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Removing the Old Switches

Removing the Old Switches

I used a two-step process to remove the switches: first desolder the two legs and tilt the switch away...

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Uploaded on Jan 22, 2012

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Cleaning the PCB

Cleaning the PCB

Cleaning the dust off the PNB PCB with a brush.

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Uploaded on Jan 22, 2012

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New Switches

New Switches

Replacement tactile switches ordered from Digi-Key, Omron B3F-1000, made-in-Japan. 6mm (W) x 6mm (L)...

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Uploaded on Jan 22, 2012

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Yamaha DX7 II FD Guts

Yamaha DX7 II FD Guts

A Partially disassembled Yamaha DX7 II-FD synthesizer. I'm removing the button boards to replace the...

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Uploaded on Jan 22, 2012

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iMac G3 Snow

iMac G3 Snow

I fired up the old iMac to display a photo of Steve Jobs as a tribute.

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Uploaded on Oct 5, 2011

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Westinghouse LCM-22W3 Power Supply PCB, Before Capacitor Replacement

Westinghouse LCM-22W3 Power Supply PCB, Before Capacitor Replacement

I obtained a broken Westinghouse LCM-22W3 22" LCD monitor. The LCD backlight was inoperative....

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Uploaded on Aug 25, 2011

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Westinghouse LCM-22W3 Power Supply PCB, After Capacitor Replacement

Westinghouse LCM-22W3 Power Supply PCB, After Capacitor Replacement

The power supply board with the new capacitors soldered in. Westinghouse LCM-22W3 22" LCD monitor power supply board with new capacitors.

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Uploaded on Aug 25, 2011

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Closeup of the Bad Capacitors

Closeup of the Bad Capacitors

The failed Capxon capacitors with bulging top (marked with permanent marker). Westinghouse LCM-22W3...

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Uploaded on Aug 25, 2011

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New Capacitors

New Capacitors

I've ordered new capacitors from DigiKey. Bought some extra parts as well. Panasonic FM and United Chemi-Con capacitors rated at 105 degrees Celsius.

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Uploaded on Aug 25, 2011

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Dual Monitor Setup: How I've Missed You

Dual Monitor Setup: How I've Missed You

The Dell 2209WA monitor was quite lonely all by itself, until it was joined by the newly repaired...

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Uploaded on Aug 25, 2011

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A Night at the Drive In Theater

A Night at the Drive In Theater

First time visiting the Vineland drive in movie theater in Industry, CA. $8.50 gets you admission to a...

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Uploaded on Apr 12, 2011

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Digi-Key Twitter Loot

Digi-Key Twitter Loot

UPS stopped by my place to deliver my contest winnings: Stainless steel water bottle 512MB USB flash...

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Uploaded on Mar 31, 2011

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