FUNAI TVCR-1404, Service Manual

Page: 32 / 100

1-7-7 T6550MTI
MECHANICAL TROUBLE INDICATOR
1, Each Malfunction Indication
If the MONITOR is turned ON right after the Mechani-
cal 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 2.5V 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 Mal-
function).
POWER SAFETY
1) POWER SAFETY 1
If P-SAFETY 1 port becomes continuously 2.5V 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 Mechan-
ical Malfunction).
* However the POWER SAFETY 1 function shall be
disabled during 500 msec. right after the MONI-
TOR turns ON.
2) POWER SAFETY 2
If P-SAFETY 2 port becomes continuously 2.5V 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 Mechan-
ical 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 Mal-
function
C
TAPE LOADING Malfunction T
P-SAFETY 1 1
P-SAFETY 2 2
X-RAY X
EJECT R