HP E24t G4, Руководство по техническому обслуживанию и ремонту

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Power board
Repair Condition: Capacitor repair is only for the monitor that has been out of warranty period.
IMPORTANT:
•
Repairing must operate by professional repairers (Note) in repair center, not applicable for
end user
•
The primary side is the high voltage area, please take care when repair (Front and Back
view)
• Electrostatic protection is required when component replacement is required.
•
The monitor meets ROHS, please use Lead-free solder wire for soldering.
• If capacitor need change, please check polarity match PCB print.
•
If capacitor need to replace, must check specification and part number whether match the
BOM and location.
• If capacitor need to replace, please insert new parts carefully because the near pin may
cause short circuit by inappropriate operate.
•
DO NOT allow any liquid on the board. Water and moisture may cause short-circuit to the
electronic components and lead to malfunctions.
• The fusion point of Lead-Free solder is requested. Repairing with conventional lead wire may
cause damage.
•
Work quickly to avoid overheating the circuit board as soon as you confirm the steady
soldering condition.
•
Keep the soldering iron tip clean and well tinned and when replacing parts.
•
A close inspection of the circuit board revealed look in good condition.
• After repaired, must do function test to check PSU function is ordinary.
Note: (The requirement of professional repairers’ regulation by ERP lot5)
(1) The professional repairer has the technical competence to repair electronic displays and
complies with the applicable regulations for repairers of electrical equipment in the Member
States where it operates. Reference to an official registration system as professional repairer,
where such system exists in the Member States concerned, shall be accepted as proof of
compliance with this point.
(2) The professional repairer is covered by insurance covering liabilities resulting from its activity,
regardless of whether this is required by the Member State.