Precaution For Disassembly And Reassembly - Samsung ST76 Service Manual

Precautions

1-3 Precaution for disassembly and reassembly

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CAUTION
1. Use the anti-static handing procedures included with the anti-static mat to ensure that there is no electrostatic
discharge and component damage.
2. Static electricity is the biggest danger to the PCB parts you are about to disassemble or assemble. It's important
to use your anti-static wrist strap to prevent damage to these components.
3. Dismantling a discrete electronic component such as main capacitor is dangerous.
The capacitor contains high voltage, which can cause a severe electric shock if you touch it. This holds a
charge even when the unit is not plugged in and is capable of delivering a fatal shock.
4. Using excessive force during disassembly and assembly can damage locking parts. Use care when handling
"Locking parts" to avoid damage to FPCB or wire. Apply pressure only at the points designated in the maintenance
instructions.
5. Due to increasing environmental concerns, a number of restrictions have been placed on the material content
of electronic components and electronic assemblies. It requires utilizing Lead-Free (Pb-free) Soldering.
6. The following precautions must be observed when handling such components below.
<Table. 1-3 Precaution for disassembly and reassembly>
Component
FPCB
CCD (CMOS)
IR CUT Filter
LCD, LENS
PCB
CONNECTOR
BARREL
1-4
Precautions
FPCB is brittle material. It can be easily damaged thus it should be handled with care.
It is recommended to use wooden or plastic tweezers for manual placement.
Be careful not to stained your finger. It is recommended to use wooden or plastic tweezers
for manual placement. Stain is often caused by the Alcohol used in these components.
Find a clean, well-ventilated place to do your work.
Use an anti-static mat as well as an anti-static wrist strap to avoid ESD damage to PCB.
The use wooden or plastic tweezers is recommended for manual placement.
Metal tip tweezer might make marks or damage.
Always follow proper direction while assembling the components of the barrel.
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