2
1.
About
this
manual
This
service
manual
contains
information
for
maintenance
and
service
of
DV
M21;
high
definition
camcorder.
The
manual
might
guide
&
help
you
to
do
the
system
diagnostics,
Firm/Ware
update
and
the
product
troubleshooting.
2.
Safety
precaution
2.1
This
product
contains
High
Voltage
circuit
might
hurts
service
people
whom
without
electronic
knowledge
or
inadequate
training.
2.2
Warning
to
a
Cardiac
,
for
your
healthy
&
avoid
dangerous
high
voltage
electric
shock,
we
strongly
suggest
you
do
not
try
to
opening
&
servicing
this
product.
2.3
Be
sure
to
discharge
the
High
Voltage
storage
energy
prior
to
disassembly
the
enclosure.
i.e.
remove
entirely
power
sources
(Li
‐
ion
battery,
AA
battery
&
USB
port)
&
wait
30
minutes
for
circuitry
self
discharge.
3.
The
firmware
update
procedure
3.1
Install
the
update
tool,
(“DU,
Direct
USB”)
in
your
computer.
3.2.
Launch
“DU”
utility,
then
the
dialogue
box
will
appear
as
below.
Содержание DV M21
Страница 14: ...14 4 20 Release these screws TP 1 4 x 3 5 mm...
