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4. TROUBLE SHOOTING
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
47p
C103
3
G2
4
G3
G4
6
1
OUT
PWR
5
SPM0204LE5-QB
MIC100
G1
2
0.1u
C104
C102
10u
C107
47p
39p
C106
0.1u
C105
0
R106
MICBIAS
MIC1N
MIC1P
KEY PCB TO MAIN PCB
18
19
2
20
3
4
5
6
7
8
9
G1
G2
CN100
1
10
11
12
13
14
15
16
17
+VPWR
VREG_MSMP_2.7V
FOLDER_DETECT_N
KEY_COL(2)
KEY_ROW(1)
KEY_COL(3)
KEY_ROW(0)
KYPD_LED_EN
KEY_COL(4)
PM_ON_SW_N
MIC1P
UART_RX
MIC1N
UART_TX
MICBIAS
KEY_COL(0)
KEY_ROW(3)
KEY_COL(1)
KEY_ROW(2)
Place near MSM
C213
47p
0.1u
C212
1u
C215
47p
C210
0.1u
C200
C206
1u
C204
10p
C216
10u
1u
C203
L200
100nH
1u
C205
C211
0.1u
MIC1N
AF20
MIC1P
AE20
AF21
MIC2N
AF22
MIC2P
MICBIAS
T15
LINE_L_IN
AC21
AC22
LINE_L_IP
AC20
LINE_R_IN
LINE_R_IP
AC19
HPH_VREF
AA19
CCOMP
AA20
AF19
AUXIN
AE19
AUXIP
AUXOUT
AA18
FM_AUDIO_L
FM_AUDIO_R
MIC1P
MIC1N
MAIN PCB TO KEY PCB
+VPWR
VREG_MSMP_2.7V
3
4
5
6
7
8
9
G1
G2
G3
G4
CN302
1
10
11
12
13
14
15
16
17
18
19
2
20
KYPD_LED_EN
KEY_COL(2)
PM_ON_SW_N
MIC1N
FOLDER_DETECT_N
KEY_COL(4)
KEY_COL(0)
KEY_ROW(3)
KEY_ROW(1)
KEY_ROW(2)
MIC1P
UART_RX
MICBIAS
UART_TX
KEY_ROW(0)
KEY_COL(1)
KEY_COL(3)
Summary of Contents for KF700
Page 1: ...Service Manual Model KF700 Service Manual KF700 Date May 2008 Issue 1 1 Internal Use Only ...
Page 193: ...Note ...
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