Hitachi 55HDM71 - 55" Plasma Panel, Service Manual

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2
55PMA550/55HDM71 (PW1)
CAUTION FOR SAFETY
Please read this page before
making
repair
s to
th
e
monitor.
This page explain
s 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
This symbol means "
Personnel Electrical Safety Hazard
"
Caution
This symbol means "
Equipment Operational Hazard
"
This symbol means "CAUTION"
This symbol means "POSSIB
ILITY OF
ELECTRIC SHOCK"
This symbol means "
DO IT!
"
This symbol means "DON
'
T
DO IT!
"
S
pecial I
nstructions
This
indicates cabinet, chassis
or
parts
which
require
special attention.
Please follow
any
note
s as well as all s
afety
precautions
.
Prevent
e
lectric
al
shoc
k
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 t
he
same characteristic compo-
nent
s
, which is same as previous for your
safety
. To ensure
reliability
,
specially marked
Keep the
same wiring
dress for boards
.
This m
onitor uses
insulated spacers
which are intended to isolate metal
parts from electrical components.
Internal
wiring is isolated fr
om
components by
using
clamp
s, retainers, etc.,
so please return
to
original condition for prevent
ion of
electric
al
shock
or fire.
S
afety check s
hould be done after finished.
Every part (removed screws, component
and wiring) should be returned to previous
condition.
Check around
the
repair
ed area
for
any
damage by mistake
. M
easure 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.
R
epair to the
HDCP circuit is limited.
Never remove the shield case, which is
assembled to code
with the HDCP circuit
WARNING