HP E27q G4 Maintenance And Service Manual page 19

Repair Process:
When EL capacitors damage or explode, it may lose function and cause product no work.
The C706, C707 and C708 locations are identified below:
Power Board
1) You must disconnect the power cord from the power source before opening the monitor to
prevent component damage.
2) Use Multimeter measure whether EL capacitors still have charge. Before repairing must discharging
it.
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C706
C707
C708
Power Board