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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 connect source to each port to check Main board 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.
HDMI connector CN503
Repair the HDMI connector:
1) Use a soldering iron and a de-soldering pump to remove as much solder as possible from the pin.
2) Use a hot air gun to melt the solder on the pins.
