Hitachi 42HDF52 Service Manual page 2

Please read this page before repair the monitor.
The following safety precautions are designed to hel
work.
Please take note o these cautionary flags.
Warning
Caution
Als o note these cautionary ic
This means "CAUTION"
This means "POTENTIAL ELECTRIC
SHOCK"
Follow in structions.
The cabinet, chassis, and labels are p
that require attention. You must follow the
caution notes and safety instructions
presented
p revent damage to them or injury to
yourself.
Prevent electric shock.
Exercise caution while working on th
device as the Monitor contains high
voltage parts and power supply.It is
possible to sustain severe injury or dea
if you accidentally touch the wrong
parts.You must disconnect the po
supply while servicing, reassembling, or
change parts. If
c onnection it is possible to sustain severe
injury or death.
Use recommended components.
Use only the recommended components
or componentst that structurally identica
to the originals. This is to ensure safety
and reliability. Pay special att
parts in the parts list and circuit diagram
marked with
non-recommended components, then
electric shock or fire may result.
Plasma Television
CAUTIO
f
This means "Potential to sustain injury or even death."
This means "Potential to sustain breakage or irreparable damage."
ons
throughout this User Manual to
you touch a live
ention to
. If you use
N FOR SAFETY
p you stay safe and prevent accidents during the repair
WARNING
Must use
arts The Monitor uses special tubes and tap
made from insulated materials. Moreo
some materials are kept from making
contact with the PWB for the sake of
safety.Internal leads are kept from hot
parts or high voltage parts by means of
clamps or other measures. As such, yo
must restored these pa
c
e
shock or fire.
th
Perform safety check when done.
Every part (such as removed screws,
wer
components, and wiring) must be
restored to their prior conditions a
servicing.Be sure to check everything
that was repaired for damage or
mistakes. Also measure the insulated
impedance with a meg-ohm meter to
confirm that the impedance value is more
than 4M ohm.If t
l
le
fire may result.
s
Do not tr y to check the HDCP code and
comb na i tion circuit.
Never remove the shield case protecting
the HDCP code and combination circuit.
2
This means "MUST"
This means "DO NOT"
same types of wires and components.
onditions in order to prevent electric
he impedance value is
ss than 4M ohm, then electric shock or
es
ver,
u
rts to their original
fter