Voltage Regulator:reg1 (S-81253); Voltage Detector:det1 (Rh5Vl46Ca) - Casio SF-5300E Service Manual & Parts List

7-4. VOLTAGE REGULATOR: REG1 (S-81253)
Output Voltage (VDD): 5.3 V ± 5%
VCC
2
GND
1
7-5. VOLTAGE DETECTOR: DET1 (RH5VL46CA)
+
–
V
REF
2
VCC
1 OUT
3
GND
Input Voltage (VCC)
VCC > 5.2 V
VCC < 5.2 V
— —
23
VDD
3
R
A
R
I
R
B
1 2 3
OUT VCC GND
Output Voltage (OUT)
1 2 3
VCC VDD
GND
5.2 V
0 V