LG 32LX330C Service Manual page 46

RTC BLOCK
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
RTC
IC3800 RTC OPT
C3803
C3802
PCF8523T
10uF
0.1uF
10V
RTC RTC
C3800 X3800 OSCI VDD
1 8
3.3pF
C3801 OSCO INT1/CLKOUT
2 7
3.3pF RTC
32.768KHz
R3800
VBAT SCL
3 6
1K RTC
RTC
VSS SDA
M3800
4 5
BATTERY
C3804 C3805
8pF 8pF
OPT OPT
+3.5V_ST
R3805
CLOCK_SCL
22 RTC_NEC_MICOM
R3806
CLOCK_SDA
22 RTC_NEC_MICOM
R3803
I2C_SCL
22 RTC_NON_NEC_MICOM
R3804
I2C_SDA
22
RTC_NON_NEC_MICOM
CLOCK_SCL
CLOCK_SDA
I2C_SCL
I2C_SDA
L15 Commercial
RTC
38
LGE Internal Use Only