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IC BLOCK
DIAGRAM&
DESCRIPTION
ICI03 LA6541 (Pickup Actuator&CD
Mechanism Motor)
iC131, iC132 TA7291S (Bridge Driver)
WC
VrOl
VIN4
vG4
V&
V07
GND
Vcd
V05
VQ3
[
I
VIN3
CD
RES
24
23
22
21
20
19
18
17
16
15
14
13
Ilkfl
WC
F
.
,F
T
,=
Itkil
-+
am
D%'%'
Dmti
am
RESEr
V(X
Vref
H
OUT2
I
1
1
I
LwOl
GTL
Wn
E
Lm.wl
DIIWI
SMl
-
Ilkll
VW
Mm
VIN1
vG1
VO1
V02
GND
V03
v04
VG2
VIN2
ROII OUT
RqI IN
&
I
IN1
IN2
GND
iC211 TA8176SN (FM Front End)
IC231 LA1832ML (AM/FM iF Ampiifier & FM-MPX)
Osc
FM-OET
BUFF
OTC
S4F&W
R:hP
V-W
LWA-tJT
OUT
VCO
tWTE
R-CUT
L-WT
-Y
STERSO
AGC
W-PASS
RF IN
+-&#+ Y
I
I
12 WFER
OVT
,,.
,-
w
AGC OET
1
REG
AM IF
GNO
N-LEO
ST-LEO FM 0S1
vCC
SEEK
—
(10.7 MI+z) MIX
:;ywm)
AMIFM
iC245 LC72121 M (PLL Synthesizer)
iC361 BU2090F (12bit Seriai Paraiiei Converter)
Vss
VDD
~
Vux
XIN
PD
XOUT
AIN
AouT
Vssa
CE
:4=IEERE
FMIN @++
I
OUTPUTBUFFER (OPEN DIAIN)
I
I
1
&
01
4
~
CL
5
006
PfA#R
Vm 18
REBET
Vud
5
F
LMvkw
1
1
IFIN
No,
1
2
3
4
5
6
7
6
9
10
11
12
13
14
15
16
-21
Pin Name Port Name
Function
Vss
Vss
Ground
DATA
D-OUT
Data input
CLOCK
EX1-CLK Clock input
m
7 8
9
10
11
————
S01 BCX?BG2 B04
E
co
I
BEAT
ITSPGkeat chancel output (L=Pasl , H=Pos.2)
Q1
OSC
lTapa oscillation circuit control (L-OFF, H=ON)
a?
Q3
R-MUTE Tapa REC mute output (L=OFF, H=ON)
Q4
DECK-AIB Deck A / B control (L=B, HA)
(25
I
I
Q6
R/P
lTapa Rac / Play control (L=Rec, H-Play)
Q7
Q6
MOTOR
Tape motor output
Q9
A-PLY-PL Deck A Play Plunger output
Q1O
B-PLY-PL Dack B Play Plunger output
Q11
I
I
VDD
VDD
I Power supply
I
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