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Safety Instructions, Warnings, Notes - Philips DVP520/00 Service Manual

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Safety instructions, Warnings, Notes

Safety instructions
1. General safety
Safety regulations require that during a repair:
. Connect the unit to the mains via an isolation transformer.
. Replace safety components indicated by the symbol
only by components identical to the original ones. Any other
component substitution (other than original type) may
increase risk of fire or electrical shock hazard.
Safety regulations require that after a repair, you must return
the unit in its original condition. Pay, in particular, attention to
the following points:
. Route the wires/cables correctly, and fix them with the
mounted cable clamps.
. Check the insulation of the mains lead for external
damage.
. Check the electrical DC resistance between the mains plug
and the secondary side:
1) Unplug the mains cord, and connect a wire between
the two pins of the mains plug.
2)
Set the mains switch the
mains cord unplug).
3)
Measure the resistance value between the mains
plug and the front panel, controls, and chassis
bottom.
4)
Repair
or
correct
measurement is less than 1M .
5)
Verify this, before you return the unit to the
customer/user (ref. UL-standard no. 1492).
6)
Switch the unit "off", and remove the wire between
the two pins of the mains plug.
"on" position (keep the
unit
when
the
resistance
1-3
2.Laser safety
This unit employs a laser. Only qualified service personnel
may remove the cover, or attempt to service this device (due
,
to possible eye injury).
Laser device unit
Type
Wavelength
Output power
Beam divergence: 60 degree
Note: Use of controls or adjustments or performance of
procedure other than those specified herein, may result in
hazardous radiation exposure. Avoid direct exposure to
beam.
: Semiconductor laser GaAlAs
: 650nm (DVD)
: 780nm (VCD/CD)
: 7mW (DVD)
: 10mW (DVD /CD)

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Dvp520/05Dvp520/02

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