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• 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.
Audio Connector repair- M590
1) Use a hot air gun to melt the solder on the pins Pin solder with soldering iron and
absorber.
You can gently push down with the soldering iron once everything is molten to
move the M1 out of the through holes
2). Lift M1 from the PCB
3). Place new component on the location, and must check it can match PCB footprint
4). Soldering the new component by solder iron
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