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Hitachi VIV-E553LE - Details of Display;Detection and Applications

Hitachi VIV-E553LE
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ENGLIS
1.2
Details
of
Display/Detection
and
Applications
Table
1-1
summarizes
the
details
of
display/detection
of
the
Fig.
1-2
shows
the
operational
processes
of
the
self-
self-diagnostic
functions
and
their
applications.
diagnostic
functions.
Table
1-1
Details
of
Display/Detection
of
Self-Diagnostic
Functions
and
their
Applications
Occasional
defect
self-diagnostic
Mechanical
block
self-diagnostic
function
(A
mode)
function
(B
mode)
Details
of
display/
The
system
control
~
P
memorizes
and
Displays
the
data
for
the
defect
that
has
detection
displays
the
defect
data.
occurred
when
the
B
mode
is
set.
(If
several defects
have
occurred,
only
the
last
defect
detected
is
memorized.)
Application
Used
when
the
defective
symptom
is
not
Used
to
detect
the
cause
of
the
defect
(in
the
reproduced
during
servicing.
mechanical
block
or
electrical
circuits)
and
to
determine
the
defective
position
of
the
mechanical
block.
Detected
parts
Trouble
sensors
Trouble
sensors
e
Take-up
end
sensor
(EST)
e
Take-up
end
sensor
(EST)
e
Supply
end
sensor
(ESS)
e
Supply
end
sensor
(ESS)
e
Take-up
reel
sensor
(RST)
e
Take-up
reel
sensor
(RST)
e
Supply
reel
sensor
(RSS)
e
Supply
reel
sensor
(RSS)
Cylinder
(S30)
Cylinder
(S30)
Capstan
motor
(CFG)
Capstan
motor
(CFG)
Loading
motor
(LOD,
UNL)
Mechanism
mode
switch
(EJT,
UST,
REW,
LST,
FWD,
HEC)
Tape
detection
switches,
etc.
e
Erase
prevention
tab
detection
switch
(TAB)
e
ME/MP
detection
switch
(ME)
e
Hi-8
MP
detection
switch
(MP)
«
Cassette
holder
switch
(STG)
Cautions
When
the
rewind
mode
is
entered,
the
defect
Engage
the
B
mode
after
completing
the
A
data
Is
erased.
mode.
If
the
B
mode
is
engaged
first,
the
defect
data
may
be
erased.
[A
Mode]
Parts
to
be
tested
«Detection/Storage»
«Display»
-
Trouble
sensors
-
System
conirol
pP
-
EVF(LCD)/Display
-
Cylinder
Defect
data
(Data
of
last
defect
(Defective
parts
-
Capstan
motor
detected)
etre
deh
tucde
flash)
[B
Mode]
Parts
to
be
tested
«Detection»
«Display»
-
Trouble
sensors
-
Cylinder
System
EVF(LCD)/display
-
Capstan
motor
control
(defective
parts
Set
to
the
-
Loading
motor
Defect
yP
flash)
B
mode
.
Mechanism
mode
switch
data
Tape
detection
switches,
etc.
Fig.
1-2
Oeration
Processes
of
Self-Diagnostic
Functions
E7-2

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