Rtc Trouble - LG KP110 Service Manual

4. TROUBLE SHOOTING

4.14 RTC Trouble

TEST POINT
CIRCUIT
X101
3
4
2 1
32.768KHz
MC-146_7pF
EXXY0004601
LGE Internal Use Only
Figure 4.14
TP1
R102
10M
KEY_ROW0
KEY_ROW1
KEY_ROW2
KEY_ROW3
KEY_ROW4
26M
C118
1000p
Copyright © 2008 LG Electronics. Inc. All right reserved.
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TP1
X101
KEYPADROW0
U4
KEYPADROW1
R8
KEYPADROW2
R6
KEYPADROW3
R7
KEYPADROW4
T10
OSCIN
U10
OSCOUT
B1
CLKIN
R103
C2
100ohm
NC1
D8
NC2
E1
NC3
F1
NC4
Only for training and service purposes