View Sony ICD-BM1 / ICD-BM1A / ICD-BM1B / ICD-BM1DR9 Service Manual online
Published by Sony Techno Create Corporation
of messages are as follows. You can record messages for the maximum
recording time in a single folder.
***LP: Long play recording mode (monaural sound)
SP: 60 Hz - 7,000 Hz
LP: 80 Hz - 3,500 Hz
Minimum input level: 0.7 mV 3 kilohms or
lower impedance microphone
• DC IN 3V jack
“Digital Voice Editor” (CD-ROM)
circuit board (within 3 times).
damaged by heat.
be measured, because its lead layout is different from that of
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
than ordinary solder.
Ordinary soldering irons can be used but the iron tip has to be
applied to the solder joint for a slightly longer time.
Soldering irons using a temperature regulator should be set to
about 350 ˚C.
Caution: The printed pattern (copper foil) may peel away if
Unleaded solder is more viscous (sticky, less prone to flow)
than ordinary solder so use caution not to let solder bridges
occur such as on IC pins, etc.
It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder.
from instruction manual.
4 Display window (24)
5 MENU button (49)
6 DISPLAY button (26)
7 FOLDER button (13, 20)
8 ENTER button
9 DIVIDE button (31)
0 CANCEL button
qd NEW FILE button (15)
qf OPR (operation) indicator
qk POWER ON/OFF switch (8,
wg USB connector (52)
wh Battery compartment (6)
3 Folder indication (13, 20)
5 Selected message number /
folder (14, 20)
(not supplied) is connected,
the indicator does not appear.
set for a message.
external stereo microphone
Displays the current
setting with the MIC SENS
record at a meeting or in a
and time indication /
Message name indication/
Current time indication (26,
The display selected with the
DISPLAY button appears.
display window may be reduced
in a bright location.
Clock setting display appears when you insert battery for the first time, or
when you insert battery after the unit has been without battery for a
certain period of time. In this case, proceed from step 4.