Sharp 21HT-16CS Manuale di servizio - Pagina 25
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AN7523(IC303)
Circuit Function Block Diagram
Note: Do not apply voltage or current to NC pin from outside
AN5522(IC501)
Circuit Function Block Diagram
Pump Up
1
2
Thermal Protection
Amp
4
3
5
6
Pin No.
1
2
3
4
5
6
7
8
9
Pin No.
1
2
3
4
-
5
+
6
7
7
25
21HT-15C
21HT-16C
Pin Descriptions
Description
Vcc
Ch Output (+)
GND
Ch Output (-)
Standby
Ch Input
GND
N.C
Volume
Pin Descriptions
Pin Name
Inverting Input
Power Supply
Pump-up Output
GND
Vertical Output
Vertical Output Power Supply
Non-inverting Input