Sony WALKMAN WMD-DT1 - Specific Test Mode Procedures

3-5.
Error
Rate
Measurement
Mode=1
*
The
error
rate
of
the
Ach
or
Bch
is
measured
and
the
result
will
be
Error
Code
List
displayed
on
the
LCD.
-
:
Error
Detected
Contents
or
Not
The
reel
motor
is
not
rotating
or
the
reel
The
error
rate
displayed
can
be
selected
by
the
BB/AVLS
key.
Code
The
drum
motor
is
not
rotating
or
the
drum
02
motor
FG
has
not
been
detected
*
Operate
the
keys
in
the
same
way
as
in
the
normal
mode.
When
CAUTION
occurs,
the
error
code
and
the
mechanism
operation
mode
FG
has
not
been
detected
The
drum
motor
speed
is
not
stable
noe
|
0
|
The
reel
motor
speed
is
not
stable
|
Oo
|
at that time will be displayed on the LCD.
The tape top has not been detected
(LCD display in the test mode)
ni - Ge 394y
The tape end has not been detected
0
ond
aca
fo]
|
Testno. Ach{£ forBch) — Error rate =0.0234
The PLL does not lock
(LCD display when CAUTION occurs)
© means error has been detected
X means no error has been detected
ni « G39 Oe
Mechanism Operation Mode List
Mechanism
co
ete
FWDx!1 (Standard speed)
1
FWDX<4 (Approx. X4 speed FORWARD)
FWDX8 (Approx. X8 speed FORWARD)
RVSX1 (Standard speed)
|
09_—_|
RVSx4
(Approx.
x4
speed
REVERSE)
|
to
RVSX8
(Approx.
X8
speed
REVERSE)
es
es!
Test
no.
Error
code
Mechanism
operation
mode