Advertisement
ii
IC BLOCK DIAGRAM
IC201 LAl 265(Tuner system )
IC202 LA3361 (PLL FM MPX.Stereo demodulator)
PHASE
COMPEN 6ATOR
INPUT
LEVEL
VCO AOJ
(LOOP F1LTER)
I
19 kHz TP
CliARGE CAP
FM-OUT
AM-W1
[,IH
FF
112
FF 1/2
Wl!!l
FF
AM-RF
4!4
- !+
) yFf:Eo
T
II
I
I
REGuLATOR
Vcc
MPX IN
I
ou~PLJT
AOJ
I
Vcc
SEPARATION
PHASE
OUTPUT
5TERE& LAMP
COMPENSATOR
R
IC706 RC4558D (Hex inverter )
IC376 RC4558S(Motor driver)
i
'.,
I
1
P
1
-+
2
3
4
4
8
Vcc
7 VOuT2
6 VIN-2
5 V1N+2
IC750 STK4152 II
L-CH
R-CH
ouf~
-WC
+Vcc
-Vcc
OUTPUT
I
1
t
IC701 LC7818 (2-Pole 4 position Analog
Function Switch )
?
L1.1
u
1---
+Vcc
L-CH
smmTP
Es
(ISWA2
Al
1
(1
WB)
al
2
(1
)
cl
3
(1
D)
01
L
(1 wE)
El
5
A2
B2
C2
02
E2
SOURCE 2
TM2
OUT2
1
Ed
SOURCE 1
6 ~,SW)
TM I
8
(lswF)
OUT1
7
H-'-II? I
Iclll
BA618
GND
,r,
,
J%
RCA
20
CR
21
MUTE
I
I
Vcc
–25-
Advertisement
