Sharp GX20 Service Manual - Page 144
Ic204 Vhir3111q25-1l R3111q251c: Voltage Detector
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GX20 CONFIDENTIAL IC203 VHIRQ5RW18B-1L (RQ5RW18B): 1.8 V REGULATOR Pin No. 1 2 3 4 Terminal name GND VDD VOUT CE Input/Output - - Output Input Ground Power supply Output Chip enable Description of terminal VDD 2 CE 4 + - VREF CURRENT LIMIT 3 VOUT 1 GND IC204 VHIR3111Q25-1L (R3111Q251C): VOLTAGE DETECTOR Pin No. 1 2 3* 4 Terminal name OUT VDD NC VSS Input/Output Output - - - Output Power supply Not used Ground Description of terminal In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside. VSS 2 + - VREF 1 OUT 4 GND IC205 VHIR116030B-1L (R1160N301B): REGULATOR IC207 VHIR116018B-1L (R116018B): REGULATOR Pin No. 1 2 3 4 5 Terminal name VDD GND CE ECO VOUT Input/Output Input - Input Input Output Description of terminal Input Ground Chip enable High speed/low consumption selector switch Output VDD 1 CE 3 ECO 4 + VREF CURRENT LIMIT 5 VOUT 2 GND 6 - 12