Hitachi 50PD9800TA Service Manual page 2

Please read this page before repair the monitor.
This page explains to following items for keep the safety of set and prevent to accident during
repair work.
We explain by symbol at happen the damage or injury when took wrong repair.
Warning
This symbol means "possible to die or heavy damage"
Caution
This symbol means "possible to damage or something will break"
We made the symbol as below, which are kind of following items.
This symbol means "CAUTION"
This symbol means "POSSIBLE to
ELECTRIC SHOCK"
Should be follows to instructions.
We indicates to cabinet, chassis and parts
by label, which are special attention part.
Please follow to note and [Safety Instructions]
of User's Manual.
Prevent the electric shock.
Please take care during working because
monitor has high voltage part and power
supply part.
Possible to die if you tough to these place
by miss take.
Please disconnect power plug during
overhaul, reassemble or change parts.
You will die or take damage by electric
shock if you touch to live part.
Use recommended components.
Please use to same characteristic compo-
nent, which is same as previous for your
safety and keep reliability especially marked
by in parts list and circuit diagram.
It is reason of electric shock or fire if you
use non-recommended component.
All manuals and user guides at all-guides.com
50PD9800TA (FW1)
CAUTION FOR SAFETY
WARNING
2
This symbol means "MUST"
This symbol means "DO NOT"
Should be kept same style of wiring or component.
Monitor uses tubes or tapes, which made
by insulator, and some components are
keep distance from surface of PWB for
safety.
Internal leads kept from hot part or high voltage
part by clamper or styling, so please return to
original condition for prevent to electric shock
or fire.
Should be done safety check after finished.
Every part (removed screws, component
and wiring) should be returned to previous
condition.
Check around repair position for make
damage by miss take and measure the
insulated impedance by meg-ohm meter.
Confirm the value of impedance, that val-
ue is more than 4M ohm.
It is reason for electric shock or fire if that
value is less than 4M ohm.