Sanyo DWM-400 Service Manual page 12

IC BLOCK DIAGRAM & DESCRIPTION
IC102 SFH615A-3 (Opt. Sensor)
Anode
1
Cathode 2
IC103 MBM29LV800BA (
IC104 AT24C02N-10SI-2.7 (EEPROM)
8
Vcc
GND 4
WP
7
SCL 6
5
SDA
COMPARATOR
A 3
2
A 2
1
A 1
0
D
IN
Collector
4
3 Emitter
µ com)
START
STOP
LOGIC
SERIAL
CONTROL
LOGIC
LOAD
COMP
DEVICE
ADDRESS
LOAD
R/W
DATA WORD
ADDR/COUNTER
Y DEC
D
OUT
IC201 TL431 (Regulator)
(Top view)
Cathode Anode Reference
1 2 3
EN
H,V. PUMP/TIMING
DATA RECOVERY
INC
2
E PROM
SERIAL MUX
D /ACK
OUT
LOGIC
- 11 -
SO8
(Top view)
8 7 6 5
1- Cathode
2- 2- Anode
3- Anode.
4- N.C.
5- N.C.
6- Anode
7- Anode.
8- Reference
1 2 3 4