LG 32LW4500, Service Manual

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LG 32LW4500 Service Manual
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LG PLASMA TV
42pt350r-Td LG TV Service
Manual Service Manual
LG LED 32LE5500. Samsung LCD
A55x Service
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SAFETY PRECAUTIONS SAFETY PRECAUTIONS
Many el Many electrical a ectrical and mechani nd mechanical parts cal parts in this in this chassis chassis have spe have special saf cial safety-related cha ety-related characteristics. racteristics. These parts These parts are identifi are identified by ed by
Schematic Diagram and Exploded View. Schematic Diagram and Exploded View.
It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent
It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent
Shock, Fire, or other Hazards.
Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
Do not modify the original design without permission of manufacturer.
General Guidance General Guidance
An An isolation Transformer should always be used isolation Transformer should always be used during the during the
servicing of a receiver whose chassis is not isolated from the AC servicing of a receiver whose chassis is not isolated from the AC
power line. Use a transformer of adequate power rating as this
power line. Use a transformer of adequate power rating as this
protects the technician from accidents resulting in personal injury
protects the technician from accidents resulting in personal injury
from electrical shocks.
from electrical shocks.
Leakage Current Hot Check Leakage Current Hot Check
(See below Figure) (See below Figure)
Plug the AC cord directly into the Plug the AC cord directly into the AC outlet. AC outlet.
Do not use a line Isolation Transformer during this check. Do not use a line Isolation Transformer during this check.
Connect 1.5K/10watt resistor in parallel with a 0.15uF capacitor Connect 1.5K/10watt resistor in parallel with a 0.15uF capacitor
between a known good earth ground (Water Pipe, Conduit, etc.)
between a known good earth ground (Water Pipe, Conduit, etc.)
and the exposed metallic parts.
and the exposed metallic parts.
IMPORTANT SAFETY NOTICE IMPORTANT SAFETY NOTICE