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Content Published June 24, 2016

XL1201 Backplane - Top

This shows the top part of the XL1201 VMEbus backplane with the various connections.

Gray: SCSI Blue: ESDI? MFM? ST-506? Molex 4-pin drive power

The 2 black and 2 red are the main power supply. The other 4-pin power connector is... I don't know.

backplane pcb symbolics xl1201

Content Published June 21, 2016

Symbolics 3600 Keyboard Repair in Progress

Image of the area and tools used to repair five bad solder joints on a Symbolics 3600 keyboard.

keyboard pcb repair symbolics

Content Published June 21, 2016

Key 80 traces

Symbolics Model 3600 Keyboard, PCB macro photograph, key 80 (left super)

keyboard pcb repair symbolics

Content Published June 21, 2016

Key 82 traces

Symbolics Model 3600 keyboard, PCB, key 82 (right control) - seems to have a bad solder joint.

keyboard pcb repair symbolics

Content Published June 12, 2016

Power Supply Trim Pots

Symbolics Console Model PE36-PCONS: trim pots on the power supply

console pcb power-supply symbolics

Content Published June 12, 2016

Console G2

Symbolics Console Model PE36-PCONS Large Adjustment - G2 (Brightness?)

console deflection-board pcb symbolics

Content Published June 12, 2016

Console Focus

Symbolics Console Model PE36-PCONS Focus Adjustment

console deflection-board pcb symbolics

Content Published June 12, 2016

Vertical Adjustments

Symbolics Console Model PE36-PCONS Vertical Adjustments

console deflection-board pcb symbolics

Content Published June 12, 2016

Console Horizontal Controls

Symbolics Console Model PE36-PCONS Horizontal Adjustments

console deflection-board pcb symbolics