Philips for Intel Socket 775 processor Service Manual page 7

• After removing ESD assembly, put on it with aluminum stuff
on the conductive surface to prevent charging.
• Do not use chemical stuff using Freon. It generates positive
electric that can damage ESD.
• Must use a soldering device for ground-tip when soldering
or de-soldering ESD.
• Must use anti-static solder removal device. Most removal
device do not have antistatic which can charge a enough
positive electric enough damaging ESD.
• Before removeing the protective material from the lead of a
new ESD, bring the protective material into contact with the
chassis or assembly that the ESD is to be installed on.
• When handing an unpacked ESD for replacement, do not
move around too much. Moving (legs on the carpet, for
example) generates enough electrostatic to damage the
ESD.
• Do not take a new ESD from the protective case until the
ESD is ready to be installed. Most ESD have a lead, which
is easily short-circuited by conductive materials (such as
conductive foam and aluminum)
2.5 Notes
A glass plate is positioned before the plasma display. This
glass plate can be cleaned with a slightly humid cloth. If
due to circumstances there is some dirt between the glass
plate and the plasma display panel it is recommended to do
some maintenance by a qualified service employee only.
2.5.1 Notes on safe handling of the plasma display
Notes to follow during service
• The work procedures shown with the Note indication are
important for ensuring the safety of the product and the
servicing work. Be sure to follow these instructions.
• Before starting the work, secure a sufficient working space.
• At all times other than when adjusting and checking the
product, be sure to turn OFF the main POWER switch and
disconnect the power cable from the power source of the
display (jig or the display itself) during servicing.
• To prevent electric shock and breakage of pwb, start the
servicing work at least 30 seconds after the main power
bas been turned off. Especially when installing and
removing the power supply pwb and the SUS pwb in which
high voltages are applied, start servicing at least 2 minutes
after the main power bas been turned off.
• While the main power is on, do not touch any parts or
circuits other than the ones specified. The high voltage
power supply block within the PDP module has a floating
ground. If any connection other than the one specified is
made between the measuring equipment and the high
voltage power supply block, it can result in electric shock or
activation of the leakage-detection circuit breaker.
• When installing the PDP module in, and removing it from
the packing carton, be sure to have at least two persons
• perform the work white being careful to ensure that the
flexible printed-circuit cable of the PDP module does not
• get caught by the packing carton.
• When the surface of the panel comes into contact with the
cushioning materials, be sure to confirm that there is no
foreign matter on top of the cushioning materials before the
surface of the panel comes into contact with the cushioning
materials. Failure to observe this precaution may result in,
the surface of the panel being scratched by foreign matter.
• When handling the circuit pwb, be sure to remove static
electricity from your body before handling the circuit pwb.
• Be sure to handle the circuit pwb by holding the large parts
as the heat sink or transformer. Failure to observe this
precaution may result in the occurrence of an abnormality
in the soldered areas.
• Do not stack the circuit pwb. Failure to observe this
precaution may result in problems resulting from scratches
on the parts, the deformation of parts, and short-circuits
due to residual electric charge.
Safety Instructions, Warnings and Notes S/SD/HD 3.1 PDP
• Routing of the wires and fixing them in position must be
done in accordance with the original routing and fixing
configuration when servicing is completed. All the wires are
routed far away from the areas that become hot (such as
the heat sink). These wires are fixed in position with the
wire clamps so that the wires do not move, thereby
ensuring that they are not damaged and their materials do
not deteriorate over long periods of time. Therefore, route
the cables and fix the cables to the original position and
states using the wire clamps.
• Perform a safety check when servicing is completed. Verify
that the peripherals of the serviced points have not
undergone any deterioration during servicing. Also verify
that the screws, parts and cables removed for servicing
purposes have all been returned to their proper locations in
accordance with the original
2. EN 7