IC BLOCK DIAGRAM
IC231 LA1832ML (AM/FM IF AMP & FM-MPX)
a
I
IC245 LC72131 MD (PLL Synthesizer)
i I
IC351 CXA1 100P (Dolby-B Noise Reduction)
REC
PB
LINE
REC
IN
GN13 IN
IREF REC/PB OUT TC
OUT
r c) ‘“
I
I I
REC
vCC PB
VCC/Z ON/OFF LINE Tc
REC
IN
IN
OUT
OUT
No.
m Name I/o
Function
1
XN
I “b! ~7.2MHz) input.
2
CE
I
‘% ~-@;-’~‘“l@.
3
DI
I Serial data input.
4
CL
I Serial clock input.
5
DO
c1 Serial ‘ckx?Txtput.
-.-—— ..
6
Bol
o W.@ puhi.
7 Bo2
o Outpu? port.
6
m
o output port.
9
Bo4
o Ol@ut port.
10
101
1/0 lnputO@l port.
11
IFIN
I IF munter input.
12 l—” E3
~ K? ln@K3u@ut pmt.
~..——= .—l—
1.$
“,.’;.;,; ~
~1 I AM local oscillator input.
~ ’14 l%iifl
~1 FM local oscillator input.
15
I V’DD
- Power
supply.
o PLL charfy pump O@Ut.
I
PLL active Iow-pa;e f!hx hput.
o ~1.’_::IWIG !0:: pa:; her
output.
IC361 , IC456, IC602, IC603 BU2090F
(12bit Serial Parallel Converter)
Vss VDD
‘ATAb=E!52!
-33=