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Please read this page before making repairs to the monitor.
This page explains certain safety items found in this manual which are intended to ensure the
safety of the technician and to prevent accidents during any repair work.
Warning
Caution
This symbol means "CAUTION"
This symbol means "POSSIBILITY OF
ELECTRIC SHOCK"
Special Instructions
This indicates cabinet, chassis or parts
which require special attention.
Please follow any notes as well as all safety
precautions.
Prevent electrical shock
Please use care and caution when
servicing this product. High voltages
exist in the set which can cause injury
or death.
Please disconnect the AC power
during repair to prevent serious shock
or death.
Use only recommended components.
Please use the same characteristic compo-
nents, which is same as previous for your
safety. To ensure reliability, specially marked
parts ( ) should be OEM when replaced.
These parts are also safety related, so
electrical shock and/or fire could result
from using generic parts.
CMP420V1/CMP420V2/42EDT41 (PW1A)
CAUTION FOR SAFETY
This symbol means "Personnel Electrical Safety Hazard"
This symbol means "Equipment Operational Hazard"
This symbol means "DO IT!"
This symbol means "DON'T DO IT!"
WARNING
Keep the same wiring dress for boards.
This monitor uses insulated spacers
which are intended to isolate metal
parts from electrical components.
Internal wiring is isolated from components by
using clamps, retainers, etc., so please return
to original condition for prevention of electrical
shock or fire.
Safety check should be done after finished.
Every part (removed screws, component
and wiring) should be returned to previous
condition.
Check around the repaired area for
any damage by mistake. Measure the
insulated impedance of AC by ohm meter.
Confirm that the value of impedance
is greater than 4M ohm.
It is possible for electric shock or fire to
occur if the value is less than 4M ohm.
Repair to the HDCP circuit is limited.
Never remove the shield case, which is
assembled to code with the HDCP circuit
2
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