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Safety Information - Pioneer SD-533HD5 Service Manual

Hdtv projection monitor
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SD-533HD5, SD-643HD5

1. SAFETY INFORMATION

This service manual is intended for qualified service technicians ; it is not meant for the casual do-it-
yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained
to properly and safely repair complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the product and may
void the warranty. If you are not qualified to perform the repair of this product properly and safely, you
should not risk trying to do so and refer the repair to a qualified service technician.
WARNING
This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of California to cause
cancer, birth defects or other reproductive harm.
NOTICE
(FOR CANADIAN MODEL ONLY)
Fuse symbols
(fast operating fuse) and/or
be of identical designation.
REMARQUE
(POUR MODÈLE CANADIEN SEULEMENT)
Les symboles de fusible
de remplacement doivent avoir la même désignation.
1.1 SAFETY PRECAUTIONS
NOTICE : Comply with all cautions and safety related notes
located on or inside the cabinet and on the chassis or
picture tube.
The following precautions should be observed :
1. Do not install, remove, or handle the picture tube in any manner
unless shatterproof goggles are worn.
People not so equipped should be kept away while picture tubes
are handled.
Keep picture tube away from the while handling.
2. When service is required, even though the HDTV PROJECTION
MONITOR an isolation transformer should be inserted between
power line and the set in safety before any service is performed.
3. When replacing a chassis in the set, all the protective devices
must be put back in place, such as barriers, nonmetallic knobs,
adjustment and compartment covershields, isolation resistor-
capacitor, etc.
4. When service is required, observe the original lead dress. Extra
precaution should be taken to assure correct lead dress in the
high voltage circuitry area.
5. Always use the manufacture's replacement components.
Especially critical components as indicated on the circuit
diagram should not be replaced by other manufacture's.
Furthermore where a short circuit has occurred, replace those
components that indicate evidence of overheating.
2
(slow operating fuse) on PCB indicate that replacement parts must
(fusible de type rapide) et/ou
Health & Safety Code Section 25249.6 – Proposition 65
(fusible de type lent) sur CCI indiquent que les pièces
6. Before returning a serviced set to the customer, the service
technician must thoroughly test the unit to be certain that it is
completely safe to operate without danger of electrical shock,
and be sure that no protective device built into the set by the
manufacture has become defective, or inadvertently defeated
during servicing.
Therefore, the following checks should be performed for the
continued protection of the customer and service technician.
Leakage Current Cold Check
With the AC plug removed from the 120V AC 60Hz source, place
a jumper across the two plug prongs. Turn the AC power switch
on. Using an insulation tester (DC 500V), connect one lead to the
jumpered AC plug and touch the other lead to each exposed metal
part (input/output terminals, screwheads, metal overlays, control
shafts, etc.), particularly any exposed metal part having a return
path to the chassis should have a minimum resistor reading of
0.3MΩ and a maximum resistor reading of 5MΩ. Any resistor value
below or above this range indicates an abnormality which requires
corrective action. Exposed metal parts not having a return path to
the chassis will indicate an open circuit.

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