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4. TROUBLE SHOOTING
4.7 RTC Trouble
Check Points
-Crystal soldering.
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
15p
C106
VIBDR
U12
REGEN
G12
R16
OSC32KIN
T16
OSC32KOUT
LED_A
C16
LED_B
E17
F17
LED_C
F16
HSDET
B16
BM_PRECH
M8
BM_SEL
CKEN
H12
CLK32KOUT
P16
15p
C104
220K
R103
C105
10p
X100
32.768KHz
MC-146_7pF
1
2
3
4
V_RTC
MLED1
MOTOR_P
MLED2
JACK_DETECT
CLK32K
CKEN
X100
TP1
C104
TEST POINT
WAVE FROM
CIRCUIT
RTC will work prop erly
Is the frequency
about 3 2Khz
START
Replace X100 and try again.
YES
YES
CHECKING FLOW
TP 1
Summary of Contents for KP151Q
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