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4. TROUBLE SHOOTING
4.7 RTC Trouble
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
X102
C131
C132
TP1
C116
C117
TEST POINT
CIRCUIT DIAGRAM
(FOR FM RADIO)
(FOR FM RADIO)
(0603)
C131
18p
B6
T_OUT2
A6
T_OUT3
T_OUT4
A5
B7
T_OUT8
SWITCH_ON
N7
T_OUT0
A7
OSC32K
P6
P5
RESET_N
A3
RSTOUT_N
SAFE_RES
M7
F32K
R5
CC00IO
A4
B4
CLKOUT
X102
MC-146_12_5PF
1
2
3
4
32.768KHz
TP102
R124
0
C132
18p
_RESET
TP101
PWRON
TXON_PA
VLOGIC
FM_32K
BS
FM_RST
(1%)
W_LED_FBP
J14
W_LED_FBN
J12
G15
VREFP
VDD_LRTC
K12
H13
VBAT_1
VBAT_2
F12
H15
VBAT_3
VBAT_4
H14
IREF
G13
AGND
G14
R106
22K
220n
C119
2V0_VRTC
C117
1u
0
R105
22u
C116
TP1
Содержание KP105
Страница 1: ...Service Manual Model KP105 106b Service Manual KP105 106b Date March 2008 Issue 1 0 Internal Use Only ...
Страница 126: ...Note ...
Страница 127: ...Note ...