Sanyo DC-C70 - Other ICs (Pickup, Driver, Tuner)

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(OPENDIAIN)
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
78 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 IPower supply
I