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1-12. Replacing Fuses
w
The fuse is important components for maintaining safety.
Do not replace them with any components other than those specified. This may cause a fire and electric
shock. Be sure to use the components specified in a manual.
c
Do not replace a fuse with the power connected. This may cause an electric shock.
Do not only turn off the power switch, but also remove this unit from a camera when replacing a fuse.
The fuse is mounted on the PR-337 board.
These parts are blown when abnormality occurs in equipment and when an overcurrent flows. In this
case, turn off the power of the main unit once, inspect the inside of equipment, and remove the cause of
an overcurrent. After that, replace parts.
Board
Ref. No.
PR-337
F1401
F101, F1801
1-13. Lead-free Solder
Boards requiring use of lead-free solder are printed with a lead free mark (LF) indicating the solder
contains no lead.
(Caution: Some printed circuit boards may not come printed with the lead free mark due to their particular
size.)
: LEAD FREE MARK
n
. Be sure to use the lead-free solder for the printed circuit board printed with the lead free mark.
. The lead-free solder melts at a temperature about 40 dC higher than the ordinary solder, therefore, it is
recommended to use the soldering iron having a temperature regulator.
. The ordinary soldering iron can be used but the iron tip has to be applied to the solder joint for a slightly
longer time. The printed pattern (copper foil) may peel away if the heated tip is applied for too long, so
be careful.
1-32
Name
Fuse (4 A/125 V)
Fuse (1 A/36 V)
Parts No.
! 1-576-270-21
! 1-576-596-21
HDVF-EL70/HDVF-EL75
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