Samsung AVXC4H052/072/100/110/145CE, Service Manual

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Samsung Electronics 1-1
1. Precautions
1-1 Precautions for the Service
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Use the standard parts when replacing the electric parts.
– Confirm the model name, rated voltage, rated current of the electric parts.
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Repair the disconnection of HARNESS securely when repairing the break down.
– If there is any connection error, it causes an abnormal noise and incorrect operation.
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In case that you assemble or disassemble the products with laying it on the side, do work on the work cloth.
– If not, the exterior of products can be scratched.
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Remove dust and foreign materials from harness, connection part, and inspection part thoroughly when repairing the
break down.
– It protects the danger of fire such as tracking and short.
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Tighten tightly the service valve of outdoor unit and the cap of charging valve with a monkey spanner.
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Check the assembly status of parts after repairing the break down.
– It should be same as the status before repairing.
1-2 Precautions for the Static Electricity and PL
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As the PCB power terminal has a weakness for the static electricity, pay attention to it during the repair and measurement.
– Work with insulation gloves during the repair and measurement of PCB.
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Check the distance between the product and the other electronic appliances such as TV, video, and audio.
It should be over 6.6ft.
– If not, it causes a bad picture quality or a noise.
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Repairing the products by consumer should be strictly prohibited.
– There is a danger of electric shock or fire due to incorrect disassembly.