Sanyo SFX-33 Service Manual page 77

MC34012
APPLICATION CIRCUIT
n
1
RG
RG
8
2
ACI
RF 7
3 AC2
RS 6
4 RO RI 5
MC34014
.\
In.
E(
—
Ml(
—
T
—
VD[
—
Diode Bridge
I HS I HI I Ht
"*
'2
' iF$n'm
I
"''''''"'""'
+
4
Tone
I
'~
Frequency Divider RG
BLOCK DIAGRAM
(MC34012)
,-,,-,;=.+,.mTX013
11
~ :
1
:' '~
14
200K
Lee:l
57K
OK
— RLC
Q301
0.9V +
Transmit
Re~u?ator
13
Amp
10K
LC
12
I
I
I
7
+
VI + I
i
(
)+
Mute
lj
9
logic
Delay
10K
i
5
VDD
Regulator
'-+ 9+
600K
J=
100K
8
*
77