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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,
-
S e .
-
: 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.
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