SYSTEM
MAIN UNIT
SPEAKER
HM-381MD RXD-M31MD
LS-M31(M)
FM indoor antenna (1)
Loop antenna (1)
Batteries (R6/AA) (2)
* AC
(T90-0846-08)
(E03-0115-05)
(T90-0801-05)
plug adaptor (1)
* Use to adapt the
plug on the power
cord to the shape
of the wall outlet.
(Accessory only for regions where
use is necessary.)
Remote control unit (1)
(A70-1241-05) : RC-F503 (K,P,M)
(A70-1287-05) : RC-M0505E (E,T)
Battery cover (A09-1114-08)
¢
REMOTE CONTROL UNIT
RC-F0503E
SLEEP
TONE
SOUND
1
2
3
TIMER
4
5
6
REPEAT
7
8
9
RANDOM
+10
0
PGM
CLEAR
DOT DISP.
TIME DISP.
TAPE
P.CALL
TAPE
TUNER BAND
CD
PTY
TA/NEWS
AUX
SET
ENTER
MUTE
¡4
2 3
7
%
fi
6
1
POWER
VOLUME
O.T.E.
Operation to reset
The microcomputer may fall into malfunction (impossibil-
ity to operate, erroneous display, etc.) when the power
cord is unplugged while unit is ON or due to an external
factor. In this case, execute the following procedure to
reset the microcomputer and return it to normal condi-
tion.
Unplug the power cord from the power outlet then, while
holding the “set/demo” key depressed, plug the power
cord again.
÷
Please note that resetting the microcomputer clears the
contents stored in and it returns to condition when it left
the factory.
2
2
set/demo
RXD-M31MD
2
CONTENTS / ACCESSORIES / CAUTIONS
CONTENTS / ACCESSORIES / CAUTIONS ...............2
EXTERNAL VIEW ........................................................3
BLOCK DIAGRAM .......................................................4
CIRCUIT DESCRIPTION .............................................5
ADJUSTMENT ...........................................................11
WAVE FORM .............................................................12
PC BOARD ................................................................14
SCHEMATIC DIAGRAM ............................................21
EXPLODED VIEW .....................................................39
PARTS LIST...............................................................42
SPECIFICATIONS .....................................................53
Accessories
Cautions
System configuration
Contents
Refer number for LS-M31(M), refer to parts list on page 52.
Note related to transportation and movement
Before transporting or moving this unit, carry out the follow-
ing operations.
1
Remove the CD or MD from the unit.
2
Press the
6
key of the MD.
3
Press the
6
key of the CD.
4
Wait for some time and verify that the display becomes
as shown in the figure.
5
Wait a few seconds and turn the unit OFF.
