LG KE820 Service Manual page 76

END_KEY
RPWRON
RPWRON_EN
R321
END_KEY
10K
R322
100K
VBAT
R215 0
U204 NLAST4599DFT2G
6 NO
COM 5
4 NC
C233
1u
C438
R219
1000p 100K
VSUPPLY
U403 R1114D281D-TR-F
1 3
VDD VOUT
4 2
NC GND1
6 5
CE GND2
R453
C461 C460
100K
100p 1000p
KP_OUT(1)
1
2SC5585
2 Q302
3
KP_IN(5)
End key
_RESET
- 77 -
5. Trouble shooting
PWRON
R454
RPWRON
1K
VBAT
END
END_KEY