Sharp HT-CN410DVH Service Manual page 39

IC953, Voltage Regulator (TL431)
Pin Configuration:
Functional Block Diagram:
Z Package
Figure 1: PIN CONFIGURATION OF TL431
CATHODE
+
REF
-
V
REF
ANODE
Figure 2: FUNCTIONAL BLOCK DIAGRAM OF TL431
(TO-92)
CATHODE
3
2
ANODE
1
REF
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HT-CN410DVH