Sharp DV-SL700W Service Manual page 43

PC1, Optical Sensor (EL-817)
Pin Configuration:
U1, Voltage Regulator (TL431)
Pin Configuration:
Functional Block Diagram:
Pin No. And Internal Connection Diagram
1
2
1. Anode
2. Cathode
Z Package
Figure 1: PIN CONFIGURATION OF TL431
CATHODE
+
REF
-
V
REF
ANODE
Figure 2: FUNCTIONAL BLOCK DIAGRAM OF TL431
4
3
3. Emitter
4. Collector
(TO-92)
CATHODE
3
2
ANODE
1
REF
43
DV-SL700W