Durabrand T6609BK, Service Manual

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1-8-1 T6609MTI
MECHANICAL TROUBLE INDICATOR
1. Each Malfunction Indication
If the MONITOR is turned ON right after the
Mechanical Malfunction occurs or POWER SAFETY/
X-RAY is turned ON, display the following character to
show Malfunction after the EJECT display.
Example: If REEL Malfunction
2. Each Malfunction evaluation
method
X-RAY protect
If X-RAY 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 1
If P-SAFETY 1 port becomes continuously 2.5 V or
less for 120 msec. (4 times 40 msec. interval) when
MONITOR is ON, the unit shall be assumed to be the
Power Malfunction 1 and immediately turn OFF the
POWER/MONITOR and switch over 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).
* However the POWER SAFETY 1 function shall be
disabled during 500 msec. right after the MONITOR
turns ON.
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
POWER/MONITOR and switch over 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).
* However the POWER SAFETY 2 function shall be
disabled during 500 msec. right after the P-ON-H port
turns ON.
Immediately preceding
Malfunction
Display character
REEL Malfunction R
DRUM Malfunction D
CASSETTE LOADING
Malfunction
C
TAPE LOADING Malfunction T
P-SAFETY 1 1
P-SAFETY 2 2
X-RAY X
EJECT R