Sharp GX20 Service Manual page 148

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VIN
1
SW Circuit
Constant
Current
Source
VSS
2
Bandgap
Reference
ON/OFF
3
CONTROL
750k½
VCC
5
1
NC
5 VOUT
Over Heat &
Current Protect
Disconnect
Circuit
4
(Top View)
OUT
4
2
3
IN
GND
NP
(VREF)

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