Sanyo M4440 - Schematic Diagram

SCHEMATIC DIAGRAM
ic30i LASIGOT aiore201 2SC536 icior,ic2zo1 LA4I40
PRE- AMPLIFIER TONE SWITCHING CIRCUIT POWER AMPLIFIER
teh R320
BUILT
-
IN
MIKE
oy
ied
aay
5.7BV
6.0V
WA ——\W—— —\y—————~
C305 +] c307 R321 +] c308 R322 tpC309 +0310
0,0039y
—|
!O00yp
390
~f
220p
82
~f470p
—f
470
Lhe 2S + 10V 1 10V Lisgv 1 ev
$2
MUTING poh
SWITCH $3 clo RIO R12 Jt
TONE (2 HEADPHONES JACK
oY Vv,
HDI-!
PLAYBACK HEAD
22p 6,3V
LOWLo o HIGH clog or _ ce cil2
3301001
5.67V
IOV
arias
C106
0068p
1Opt6Vv 220
WA
Be RIOF VRI-I
12k 7.
. A-20K
VOLUME
CONTROL
C205
JOpI6V
HDI-2 ae
PLAYBACK HEAD t ~ + 1.3V
= Se
a t C202 |
7 !
C201 pia ahha
= =820P
a307 2SA608
INDICATOR CIRCUIT
No. Name Position
S11 Power Switch OFF
S2_ | Muting Switch OFF
S32 | Tone Switch HIGH
S4_ | Talk Switch OFF
VRI-2 sae
|
=
SBOaH CHOKE oop S|
2
5
JH
POWER
Pees
SON.
L73V
5.9V
PH
nets
Cane
7
2304
Q30!
*To3
CHOKE
re
ta DS448 -¥#320p
anor
OV
FLYWHEEL
+
O30
:
Liov
EXT.
POWER
JACK
DIODE
+
"AA Cell x4 Ty
e
6V LL
0302
R318 SLP-I41B — j.2y| Q305 -
3.3K
OPEARATION
me
°
L L 1 INDICATOR
Q306
Q306 ,Q305 2$C536 aQ304 2SAGOB Q303,9302 2$C536 930:2SB598
MOTOR GOVERNOR CIRCUIT
+B-8K
PITCH CONTROL
a (