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Samsung LDO19WS - No Power

Samsung LDO19WS
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4 Troubleshooting
4-1
4 Troubleshooting
4-1 No Power
Does DC 13V, 5V
appear at CN400?
Check Inverter/Adaptor Board
Yes
No
Does DC 3.3V
Appear at FT412?
Check circuits related
to IC405.
Check IC702(VCTI-F2), IC704,
and IC301(SE6181LA).
Yes
No
Yes
Does DC 3.3V
Appear at FT414?
Check circuits related to
IC407.
No

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