2004 Matsushita Electric Corporation of America. All rights
reserved. Unauthorized copying and distribution is a violation of
law.
1. Safety precautions
General guidelines
An isolation transformer should always be used during the servicing of a receiver whose chassis
is not isolated from AC power line. Use a transformer of adequate power rating as this protects
the technician from accidents resulting in personal injuryfrom electrical shocks. It will also
protect the receiver from being damaged by accidental shorting that may occur during servicing.
When servicing, observe the original lead dress, especially in the high voltage circuit. Replace all
damaged parts (also parts that show signs of overheating.)
Always replace protective devices, such as fish paper, isolation resistors and capacitors, and
shields after servicing the receiver. Use only manufacturer’s recommended rating for fuses,
circuits breakers, etc.
High potentials are present when this receiver is operating. Operation of the receiver without the
rear cover introduces danger for electrical shock. Servicing should not be performed by anyone
who is not thoroughly familiar with the necessary precautionswhen servicing high voltage
equipment.
2
Содержание PT47WX34J - 47" PROJECTION TV
Страница 24: ...D656 MAZ41100MF DIODE ZENER 24 ...
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Страница 125: ...D BOARD 22 ...
Страница 126: ...R BOARD VIEW DC BOARD TOP VIEW 23 ...
Страница 127: ...DC BOARD BOTTOM VIEW DV BOARD 24 ...
Страница 128: ...DG BOARD TOP VIEW DG BOARD BOTTOM VIEW 25 ...
Страница 178: ...19 5 Instructional flow for service mode 75 ...
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Страница 180: ...20 Reference of PDF links color 21 Conductor views 77 ...
Страница 182: ...22 2 Video block diagram 23 Schematic diagrams 23 1 Schematic diagrams notes 79 ...
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