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Head playback output voltage check
Warning
;assette Used
Display
Envelope Detection Output Voltage
Main Cause
Envelope detec- 4V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..-
tion
output
bE.z+05-0g5v
!%!!::::;::;:
When the output voltage differ-
Cassette
(IC301 Pin 25 or
with normal
C3016 HOT side:
playback
–
see
Fig. 2-l-1)
OV
output
Switching pulse
normal
(TP183: see Fig,
CH-1
CH-2
2-1-2)
Envelope detec- 4V -----------------------------------
When the output voltage differ-
tion output
(IC301 Pin 25 or
"L" blinking
C3016 HOT side:
see Fig. 2-1-1)
OVk~~:~~han
:$$W:::::::
Switching pulse
been performed accurately
(TP183: see Fig.
CH-1
CH-2
c
One video head is clogged
Recorded
2-1-2)
One video head has worn out
cassette
(with tabs)
When the average output volt-
Envelope detec- 4V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
tion output
(IC301 Pin 25 or
C3016 HOT side:
11~1 b linking
see Fig, 2-l-1)
ov ~,,,han
?;~::;';;e
Switching pulse
(TP183: see Fig.
CH-1
CH-2
Both video heads are clogged
2-1-2)
Both video heads have worn
out
Envelope detec- Av . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..-
tion output
(IC301 Pin 25 or
"L" blinking
C3016 HOT side:
Rental
see Fig. 2-l-1)
Ov k~~:$~han
::~~ed
Switching pulse
been performed accurately
cassette
(TPI 83: see Fig.
(without tabs)
CH-1
CH-2
One video head is clogged
2-1-2)
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 accumulated
time display
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 10 seconds for 3,200 to 3,299 hours.)
.
To erase the cylinder rotation accumulated time display, press the RESET button on the remote control during the accumulated
time display.
.—.-——..—
——. -.——
—-. . .— —.——
I
A
I
-
w
-.
Cylinder rotation accumulated
display (Tape counter "Hoursi' display)
–4–
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