How to insert
E2PROM:
0
Lightly insert one side
of the pins of the E2PROM
into the socket.
are completely inserted
into the socket holes,
equally push the top side
of the
E2PROM.
The sections that follow describe how to replace the fuses,
thermal protectors,
amplifier cooling fan, printed circuit
boards,
and motor cooling fan and how to check the transistor
module and diode stack.
2.1 Replacing fuses
By referencing Appendix 5,
open the hinge panel which
houses the printed circuit board SF-CA card, manually re-
move white fuses
(Fl,
F2,
and
F3)
which are inserted into
the control circuit filter
(FILl)
on the small panel, and
replace them with new ones.
2.2
Replacing thermal protectors
By referencing Appendixes
5(l)
to
(41,
unsolder the two
leads which are soldered,
loosen the mounting screws, and
replace the thermal
THSl . . .
Fixed on
THS2 . . .
Fixed on
2.3 Replacing amplifier
protectors with new ones.
the small panel with screws.
the heat radiation fin with screws.
cooling fan
By referencing Appendix
5(l)
to
(41,
remove parts which
fasten the cooling fan on the bottom plate in the follow-
ing manner.
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59
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