Hitachi CML151X LCD Monitor Service Manual
1. Precautions and Notice
1.1 Safety Precautions
Although LCD monitors are displays without the high voltage present with CRTs, the
following precautions still should be taken.
1) Observe all cautions and safety related notes located inside the display cabinet and on the
display chassis.
2) Operation of these displays with the cabinet or cover removed will result in a shock hazard
from the display backlight inverter. Work on the display should not be attempted by
anyone who is not thoroughly familiar with precautions necessary when working on high
voltage equipment.
3) Before returning a serviced display to the customer, a thorough safety test must be
performed to verify that the display is safe to operate without danger or shock.
1.2 Product Safety Notice
1) Many electrical and mechanical parts in this chassis provide special safety protection. The
protection afforded by them cannot necessarily be obtained by using replacement
components rated for higher voltage, wattage, etc.
2) Before replacing any of these components, read the parts list carefully. The use of
substitute replacement parts, which do not have the same safety characteristics, as
specified in the parts list may create a risk of shock, fire or other hazards.
1.3 Service Notes
1) When replacing parts or circuit boards, wrap the wires around terminals before soldering.
2) Keep wires away from high temperature components.
3) Keep cable and their shielding in their original position so as to reduce interference.
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ACEC
HITACHI
