Sanyo DC-PT80 - Page 22

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IC BLOCK DIAGRAM & DESCRIPTION
IC172 AT24C02N(P-ROM)
1
5
6
7
2
3
4
8
Vcc
GND
WP
SCL
SDA
A
2
A1
A0
START
STOP
LOGIC
LOAD
DEVICE
ADDRESS
COMPARATOR
COMP
LOAD INC
EN
SERIAL
CONTROL
LOGIC
DATA W O R D
ADDR/COUNTER
Y DEC
H,V. PUMP/TIMING
E PROM
2
SERIAL MUX
DATA RECOVERY
X DEC
DOUT/ACK
LOGIC
DIN
DOUT
R/W
FM
IF
FM
DET
LEVEL
DET
S-CURVE
AM/FM
IF
BUFF
REG
GND
COMP
TUNING
DRIVE
AM
IF
AM
DET
VCC
AGC
PILOT
CANCEL
PILOT
DET
DECODER
ANTI-BIRDIE
STEREO
SW
FF
38k
FF
19k
VCO
304kHz
AM
RF.AMP
AM
MIX
AM
OSC
ALC
BUFF
P-DET
FF
19k
2
1
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13
IC231 LA1844ML(AM/FM AMP.)