Mechanical Trouble Indicator - Symphonic CSC313E Service Manual

13″ color tv/vcr combination
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MECHANICAL TROUBLE INDICATOR

1. Each Malfunction Indication
If the MONITOR is turned ON right after the
Mechanical Malfunction occurs or POWER SAFETY is
turned ON, display the following character to show
Malfunction after the EJECT display.
Immediately preceding
Malfunction
REEL Malfunction
DRUM Malfunction
CASSETTE LOADING
Malfunction
TAPE LOADING Malfunction
P-SAFETY 2
P-SAFETY 3
P-SAFETY 1
Example: If REEL Malfunction
EJECT R
2. Each Malfunction evaluation
method
P-SAFETY 1 protect
If P-SAFETY 1 port becomes continuously 2.5 V or
more for 120 msec. (4 times 40 msec. interval), the
unit shall immediately turn OFF the POWER/
MONITOR and switch over to the Mechanical
Malfunction mode with POWER OFF.
(To return from this mode shall become possible only
by POWER Key as in the case of the Mechanical
Malfunction).
POWER SAFETY
POWER SAFETY 2
If P-SAFETY 2 port becomes continuously 2.5 V or
less for 120 msec. (4 times 40 msec. interval) when P-
ON-H port is ON, the unit shall be assumed to be the
Power Malfunction 2 and immediately turn OFF the
Display character
POWER/MONITOR and switch over the Mechanical
Malfunction mode with POWER OFF.
R
(Shall not unload)
D
(To return from this mode shall become possible only
by POWER Key as in the case of the Mechanical
C
Malfunction).
T
* However the POWER SAFETY 2 function shall be
disabled during 500 msec. right after the P-ON-H
2
turns ON.
3
POWER SAFETY 3
1
If P-SAFETY 3 port becomes continuously 2.5 V or
over for 120 msec. (4 times 40 msec. interval) when
MONITOR is ON, P-SAFETY 3 function is available.
After that, if P-SAFETY 3 port becomes continuously
2.5V or less for 120 msec. (4 times 40 msec. interval),
the unit shall be assumed to be the Power Malfunction
3 and immediately turn OFF the POWER/MONITOR
and switch over the Mechanical Malfunction mode with
POWER OFF.
(Shall not unload)
(To return from this mode shall become possible only
by POWER Key as in the case of the Mechanical
Malfunction).
1-8-1
T5517MTI

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