Mitsubishi Electric LC62 CHASSIS XL6500LU Service Manual page 101

IC755 RT970-PB
4
EN
Current
Bias
Charge
Control
Pump
Oscillator Thermal
Detection
IC7A SN74AHCTG4DCKR
NC  5 VCC
A 2
GND 3 4 Y
Function Table
Inputs Output
A Y
H L
L H
H : HIGH Logic Level
L : LOW Logic Level
3
VIN
RS
Limit
NMOSFET
,5
VOUT
2
GND
IC7A0 NL7SZ00DFT2G
B  5 VCC
A 2
GND 3 4 Y
Function Table
Inputs Output
A B Y
L L H
L H H
H L H
H H L
H : HIGH Logic Level
L : LOW Logic Level
IC7A3 SI-300KM-TL
VIN 2
VC 
–
+
REF
- B7 -
4 VOUT
5 ADJ
TSD
3
GND