6. Always use the replacement parts specified for the particular model when making
repairs. The parts used in products require special safety characteristics such as
inflammability, voltage resistance, etc. therefore, use only replacement parts that have
these same characteristics. Use only the specified parts when the
mark is indicated
in the circuit diagram or parts list.
7. Parts mounting and routing dressing of wirings should be the same as that used
originally. For safety purposes, insulating materials such as isolation tube or tape are
sometimes used and printed circuit boards are sometimes mounted floating. Also make
sure that wirings is routed and clamped to avoid parts that generate heat and which use
high voltage. Always follow the manufactured wiring routes / dressings.
8. Always ensure that all internal wirings are in accordance before re-assembling the
external casing after a repairing completed. Do not allow internal wiring to be pinched
by cabinets, panels, etc. Any error in reassembly or wiring can result in electrical
leakage, flame, etc., and may be hazardous.
9. NEVER remodel the product in any way. Remodeling can result in improper operation,
malfunction, or electrical leakage and flame, which may be hazardous.
10. Touch current check. (After completing the work, measure touch current to prevent an
electric shock.)
z
Plug the AC cord directly into the AC outlet. Do NOT use an isolation transformer
for this check.
z
Connect a measuring network for touch currents between each exposed metallic part
on the set and a good earth ground such as a water pipe.
Annex D
(normative)
Measuring network for TOUCH CURRENTS
Summary of Contents for 42AV554D
Page 13: ...U03A MAIN POWER U02A KEY LED RMT ...
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Page 102: ...PARTS LIST Block All Block ...
Page 130: ...PARTS LIST Block U03AS MAIN PE0630 ...
Page 160: ...FUNCTION AND OPERATION The Remote Control Simple at a glance reference of your remote control ...
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Page 163: ...Using the Controls ...
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Page 166: ...Auto Tuning ...
Page 167: ...Auto Programme Update ...
Page 168: ...Analogue switch off ...
Page 169: ...FUNCTION AND OPERATION DTV Settings Programmes ...
Page 170: ...DTV Manual Tuning ...
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Page 172: ...FUNCTION AND OPERATION ATV Manual Tuning Tuning ...
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Page 177: ...FUNCTION AND OPERATION Software Upgrade Version Auto Upgrade ...
Page 178: ...Searching for New Software Reset TV ...
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Page 180: ...SPECIFICATION ...
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