Sanyo DWM-400, Service Manual

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