Hitachi 28LD5200E Service Manual page 2

Please read this page before repairing the monitor.
This page explains the following items to ensure the safety of set and prevent accidents
during repair work.
We explain by symbols what damage or injury may occur if errors are made.
Warning
Caution
We symbols below have the following meanings.
This symbol means "CAUTION"
This symbol means "POSSIBLE to
ELECTRIC SHOCK"
Should follow instructions.
Indicates cabinet, chassis and parts
by label, which need special attention.
Please follow notes and Safety Instruc-
tions of User's Manual.
Prevent electric shock.
Please take care during working because
monitor has high voltage part and power
supply part.
Possible to die if you touch these
places by mistake.
Please disconnect power plug during
overhaul, reassembly or changing parts.
You could die or suffer from electric
shock if you touch live part.
Use recommended components.
Please use same characteristic compo-
nent, which is same as original for your
safety and reliability. Especially those
marked by
gram.
It may cause electric shock or fire if you
use non-recommended component.
28LD5000TA (PW1L)
CAUTION FOR SAFETY
This symbol means "possible to cause death or serious injury"
This symbol means "possible to cause damage or something may break"
in parts list and circuit dia-
This symbol means "MUST"
This symbol means "DO NOT"
WARNING
Should keep same style of wiring or component.
Monitor uses tubes or tapes, which are
insulators, and some components are
kept a distance from surface of PWB for
safety.
Internal leads kept from hot part or high volt-
age part by clamper or styling, so please
return to original condition to prevent elec-
tric shock or fire.
Should do safety check when finished.
Every part (removed screws, component
and wiring) should be returned to previous
condition.
Check around repair for possible
damage by mistake and measure the
insulated impedance by meg-ohm meter.
Confirm the value of impedance, that
value is more than 4M ohm.
It could cause electric shock or fire if this
value is less than 4M ohm.
Nobody can check and repair the code
and combination circuit of HDCP.
Never remove the shield case, which is
attached to the code and combination
circuit of HDCP.
2