Samsung DVM S ECO BIG Series Service Manual

Samsung Electronics 1-11. Precautions1-1 Precautions for the Service Use the correct parts when changing the electric parts.– Please check the labels and notices for the model name, proper voltage, and proper current for the electric parts. Fully repair the connection for the types of harness when repairing the product after breakdown.– A faulty connection can cause irregular noise and problems. When disassembling or assembling, make sure that the product is laid down on a work cloth.– Doing so will prevent scratching to the exterior of the rear side of the product. Completely remove dust or foreign substances on the housing, connection, and inspection parts when performing repairs.– This can prevent fire hazards for tracking, short, etc. Please tighten the service valve of the outdoor unit and the valve cap of the charging valve as securely as possible by usinga monkey spanner. Check whether the parts are properly and securely assembled after performing repairs.– These parts should be in the same condition as before the repair.1-2 Precautions for the Static Electricity and PL Please carefully handle the PCB power terminal during repair and measurement when it is turned on since it is vulnerableto static electricity.– Please wear insulation gloves before performing PCB repair and measurement. Check if the place of installation is at least 2m away from electronic appliances such as TV, video players, and stereos.– This can cause irregular noise or degrade the picture quality. Please make sure the customer does not directly repair the product.– Arbitrary dismantling may result in electric shock or fire.1-3 Precautions for the Safety Do not pull or touch the power plug or the subsidiary power switch with wet hands.– This may result in electric shock or fire. If the power line or the power plug is damaged, then it must be changed since this is a hazard. Do not bend the wire too much or position it so that it can be damaged by a heavy object on top.– This may result in electric shock or fire. The use of multiple electric outlets should be prohibited.– This may result in electric shock or fire. Ground the connection if it is necessary.– The connection must be grounded if there is any risk of electrical short due to water or moisture. Unplug the power or turn off the subsidiary power switch when changing or repairing electrical parts.– Doing so will prevent electric shock.– Although the power is off, Inverter PBA and Fan PBA are dangerous because they are charged with high DC voltage.– Changing, checking and touching PBA are dangerous because of high DC voltage. So, please turn off the power and wait fordischarging DC voltage. ( To discharging DC voltage naturally, wait for more than 15 minutes.) Explain to workers that the battery for the remote control needs to be separated for storage purposes whenthe product will not be used for a long time.– This can cause a problem for the remote control since battery fluid may trickle out.