Toshiba 46TL933G Service Manual page 48

TOSHIBA
SAFETY INSTRUCTION
WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "SAFETY PRECAUTION"
AND "PRODUCT SAFETY NOTICE" INSTRUCTIONS BELOW.
Safety Precaution
WARNING: SERVICING SHOULD NOT BE ATTEMPTED BY ANYONE UNFAMILIAR WITH
THE NECESSARY PRECAUTIONS ON THIS RECEIVER. THE FOLLOWING ARE THE
NECESSARY PRECAUTIONS TO BE OBSERVED BEFORE SERVICING THIS CHASSIS.
1. An isolation transformer should be connected in the power line between the receiver and
the AC line before any service is performed on the receiver.
2. Always disconnect the power plug before any disassembling of the product. It may result in
electrical shock.
3. When replacing a chassis in the cabinet, always be certain that all the protective devices
are put back in place, such as nonmetallic control knobs, insulating covers, shields,
isolation resistor-capacitor network, etc.
4. Always keep tools, components of the product, etc away from the children, These items
may cause injury to children.
5. Depending on the model, use an isolation transformer or wear suitable gloves when
servicing with the power on, and disconnect the power plug to avoid electrical shock when
replacing parts. In some cases, alternating current is also impressed in the chassis, so
electrical shock is possible if the chassis is contacted with the power on.
6. Always use the replacement parts specified for the particular model when making repairs.
The parts used in products require special safety characteristics such as inflammability,
voltage resistance, etc. therefore, use only replacement parts that have these same
characteristics. Use only the specified parts when the
diagram or parts list.
7. Parts mounting and routing dressing of wirings should be the same as that used originally.
For safety purposes, insulating materials such as isolation tube or tape are sometimes
used and printed circuit boards are sometimes mounted floating. Also make sure that
wirings is routed and clamped to avoid parts that generate heat and which use high
voltage. Always follow the manufactured wiring routes / dressings.
8. Always ensure that all internal wirings are in accordance before re-assembling the external
casing after a repairing completed. Do not allow internal wiring to be pinched by cabinets,
panels, etc. Any error in reassembly or wiring can result in electrical leakage, flame, etc.,
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03.11.2015