THOMSON DTH175EL Service Manual
General Section
Cautions/Warnings
Product Safety Notice
Parts marked with the symbol in the schematic diagram have
critical characteristics.
Use ONLY replacement pares recommended by the manufacturer.
It is recommended that the unit be operated from a suitable DC
supply or batteries during initial check out procedures.
Leakage Current Check/Resistance Check
Before returning the unit to the customer, make sure you make
either (1) a leakage current check or (2) a line to insulated
resistance check.
If the leakage current exceeds 0.5 milliamps, or if the resistance
from chassis to either side of the power cord is less than 240 K
ohms, the unit is defective.
WARNING: DO NOT return the unit to the customer until the
problem or located and corrected.
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