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VT420
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DEC VT420 Service Manual page 36
Monochrome video terminal
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28 Removing and Replacing FRUs
NOTE
If you have a North American model, skip the next two steps.
5. If you have a worldwide model, disconnect the ground clip from the
hood.
G S F _ 1 4 4 3 _ 8 9 . D G
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Troubleshooting
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Troubleshooting the VT420
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