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15S01(N) D3
Head playback output voltage check
Warning
iassette Used
Display
Envelope
Detection
Output
Voltage
Main Cause
Envelope detec- lv
-----------------------------------
Cassette
tion output
with
(IC301 Pin 25 or
normal
C3016 HOT side:
see Fig. 2-l-1)
OV k+05-095v
g:~::::z
playback
Switching pulse
output
(TP1 83: see Fig.
CH-I
CH-2
2-l-2)
Envelope detec-
4V
-----------------------------------
tion output
dt~"
(IC301 Pin 25 or
C3016 HOT side:
blinking
see Fig. 2-l-1)
OV
k~~:~than
'::E=:::
Switching pulse
been performed
accurately
(TF'1 83: see Fig.
CH-1
CH-2
One video
head is clogged
Recorded
2-l-2)
One video head has worn
out
cassette
(With
tabs)
Envelope detec-
4V
-----------------------------------
When the average
output voltage
tion output
&
05v
of the two channels
is less than
"L"
(lC301 Pin 25 or
C3016 HOT side:
blinking
~
Less than
Tracking
adjustment
has not
see Fig. 2-l-1)
OV
t
0.5V
been performed
accurately
Switching pulse
(TPI 83: see Fig.
CH-1
CH-2
Both video heads are clogged
2-l-2)
Both video
heads have worn
out
Envelope detec-
4V
-----------------------------------
tion output
,, ,,
L
(IC301 Pin 25 or
Rental
C3016 HOT side:
blinking
see Fig. 2-l-1)
OV
+Cr::than
%:E:::
cassette
Switching pulse
been performed
accurately
(Without
(TP183: see Fig.
CH-1
CH-2
One video head is clogged
tabs)
2-l-2)
One video head has worn out
Some
rental
cassettes
may have extremely
low video
playback
outputs
even when
both video
heads
are
normal.
As the average output
voltage
of the two heads may be less than 0.5V for some,
no warning
displays
will be shown.
3. Cylinder rotation accumulatedtime display Only VHR-795E,VHR-775Eemploys this function
(However,this functionwill be equipped only from the middle of produti"on.
.
.
Press
the STOP
button
on the remote
control
for approximately
10 seconds
and the cylinder
rotation
accumulated
time
excluding
the cassette out and standby
operation
time will be displayed
on the "Hours"
display
in units of 100 hours.
("33" will
be displayed
for 3 seconds
for 3,300 to 3,399
hours.)
To
erase
the cylinder
rotation
accumulated
time
display,
press
the
RESET
button
on the
remote
control
during
the
accumulated
time display.
Cylinder
rotation
accumulated
display
(Tape counter
"Hours"
display)
–4–
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