Samsung 02 Precaution free download

File name 02_Precaution.pdf

Precaution 1. Precaution To avoid possible damages or electric shocks or exposure to radiation, follow the instructions below with regard to safety, installation, service and ESD. 1-1 Safety Precautions 1. Make sure all protective devices are properly installed 5. Warning for Engineering Changes: including non-metallic handles and compartment covers Never make any changes or additions to the circuit when installing or re-installing the chassis or chassis design or the internal part for this product. assemblies. Ex: Do not add any audio or video accessory connectors. This might cause physical damage. 2. Make sure that no gaps exist between the cabinets for Furthermore, any changes or additions to the original children to insert their fingers in to prevent children from design/engineering will invalidate the warranty. receiving electric shocks. Gaps mentioned above include ventilation holes of a too great magnitude between the 6. Warning - Hot Chassis: vaccum tube and the cabinet mask, and the improper Some TV chassis are directly connected to one end of installation of the rear cabinet. the AC power cord for electrical reasons. Without insulated transformers, the product can only be Errors may occur when the resistance is below 1.0 or repaired safely when the chassis is connected to the over 5.2 . earthed end of the AC power source. In these cases, make sure that the device is repaired before sending it back to the customer. To make sure the AC power cord is properly connected, follow the instructions below. Use the voltmeter to 3. Check for Electricity Leakage (Figure 1-1) measure the voltage between the chassis and the Warning: Do not use an insulated transformer for check- earthed ground. If the measurement is over 1.0V, unplug ing the leakage. Use only those current leakage testers the AC power cord and change the polarity before re- or mirroring systems that comply with ANSIC 101.1 and inserting it. Measure the voltage between the chassis the Underwriter Laboratory's specifications (UL1410, and the ground again. 59.7). 7. Some TV chassis are shipped with an additional seconda