1. Precautions
1 . Warning: Prior to re p a i r, disconnect the
power cord from the circuit bre a k e r.
2 . Use proper parts: Use only exact re p l a c e m e n t
parts. (Also, we recommend replacing parts
rather than repairing them.)
3 . Use the proper tools: Use the proper tools
and test equipment, and know how to use
them. Using defective tools or test equipment
may cause problems later-intermittent contact,
for example.
4 . Power Cord: Prior to re p a i r, check the power
c o rd and replace it if necessary.
5 . Avoid using an extension cord, and avoid tap-
ping into a power cord. This practice may
result in malfunction or fire .
6 . After completing repairs and re a s s e m b l y,
check the insulation resistance. Pro c e d u re :
Prior to applying power, measure the re s i sĀtance between the power cord and the gro u n d
terminal. The resistance must be greater than
30 megohms.
Fig. 1-1 Avoid Dangerous Contact
Fig. 1-2 No Tapping and No Extension Cords
7 . Make sure that the grounds are adequate.
8 . Make sure that the installation conditions are
s a t i s f a c t o r y. Relocate the unit if necessary.
9 . Keep children away from the unit while it is
being re p a i re d .
1 0 . Be sure to clean the unit and its surro u n d i n g
a re a .
Fig. 1-3 No Kids Nearby!
Fig. 1-4 Clean the Unit
Samsung Electronics
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