
RQ-2104
RQ-2104
SCHEMATIC
DIAGRAM
6
7
1
an
3
4
|
s)
on
9
10
11
|
12
|
IC1
|
[
Sle]
S$1-4
S$1-5
[BA526}
|
-
1-2
POWER
AMP
ie
ae
|
ELECTRET
|
&
5
t
|
CONDENSER
|
IC
1
MICROPHONE
3,
VOO—WOH
QOH
POO
DOP)
OO)
}
rey
|
3.3K
@
p=:
5
|
PM
DYNAMIC
woe
of
SPEAKER
(8Q)
hl
8cm
Cl
|
0.01
|
a
I
yo:
Jt:
i,
eee
ae
ee
_»,
4)
MONITOR
MIC
6
4.7K
=N
0.25mV/
@
200~600Q
|
(8Q)
I
[
l
J3:
REMOTE
(1)
.
|
@
|
(3)
MOTOR
|
O
i
REC/PLAY
HEAD
(M)
.
>
A
P|
@
3300P
S2
|
rae
anaes
|
<
Q1
Q2
D1,
2
i
C)
On
C)
O
e
GUC
|
ay
<)
2SC945LPK
2SC945LPK
OA9OLF
|
paige
I
0¢
|
{2SC945] [2SC945]
[OA90]
|
PLAY
EQ/MIC
AMP
A.G.C.
SWITCHING
secs
|
|
A.G.C./REC
4SR35100A
I
|
[SM112]
|
RECTIFIER
|
;
Notes:
i
1.
S1-1~S1-6:
Record/Playback
selector
switch
in
“PLAYBACK”
position.
(P...
PLAYBACK,
R...
RECORD)
L
—_
=
=
ae
ane
2.
S2:
Power
ON/OFF
switch
in
“OFF”
position.
=
_
3.
S3:
AC/DC
select
switch
in
“DC”
position.
(Z)(E]...For
all
European
areas.
4.
S4:
AC
voltage
select
switch.
*
For
Asia,
Latin
America,
Middle
East
and
Africa
areas.
5.
VR1:
Volume
control
VR.
6.
DC
voltage
measurement
are
taken
with
electronics
voltmeter
from
negative
terminal
of
battery.
cas;
aan:
cue
7:
Battery
Current:
Play
DOC
icassos6
avec
deainuctonctedszsccaussusanvens
buvtustanc
aes
Gudeee
uuetéaneqcseess
130mA
(VR
min.)
Maximum
output
|
PIBVO
ACK
stings
caccacclagisls
i
sevesecarcatcesabisterashuavoeeencosnatichashaneadiaa
215mA
(VR
max.)
FRSC
ON
G
evacas
stake
icc
deceranes
raha
cascics
dunn
dois
cw
ncee
aues
etecdaauite
coadeoe
132mA
8.
Described
in
schematic
diagram
are
two
types
of
numbers;
the
supply
parts
number
and
production
for
transistors
and
diodes.
One
type
number
is
used
for
supply
parts
number
and
production
parts
number
which
they
are
identical.
e.g.
Q1
I
2SC2412NRTB,
LNSTB
Production
parts
number
[2SC2412]
—————_—_———-—
Supply
parts
number
:
9.
The
supply
parts
number
is
described
along
in
the
replacement
parts
list.
Notes:
10.
Important
safety
notice
|
For
all
European
area
Components
identified
by
A\
mark
have
special
characteristics
important
for
safety.
oe
t
Te
Kin
a
When
replacing
any
of
these
components,
use
only
manufacturer's
specified
parts.
mae
ae
poets
mM
e
This
schematic
ai
eh
meres
modified
at
any
time
with
the
development
of
new
technology.
E]...For
United
Kingdom.
'
c——>
:
Playback
Signal
Line
x]...
For
Asia,
Latin
America,
-
Se.
-
:
Recording
Signal
Line
.
Middle
East
and
Africa
[x]...
For
Asia,
Latin
Amwrica,
|
|
a
ool
nenayeect
Signal
Line
areas.
Middle
East
and
Africa
areas.
=
nape
2
(+
oltage
Line
;
.
‘qm:
Earth
(GND)
Line
(LJ...
For
Australia.
[t}...
For
Australia.