Only For Training And Service Purposes - LG KF700 Service Manual

L400
CN400
21
19
1
2 FB401
3
FB402
1800
4
5
FB403 1800
6
7
8
9
10
11
12
13
14
15
16
17
18
Copyright © 2008 LG Electronics. Inc. All right reserved.

Only for training and service purposes

OUT2
5
NC3
6
NC4
7
OUT1
8
NUF2114MN
270nH
C420 DNI
4. TROUBLE SHOOTING
R401 51
C416 33u
IN2
4
NC2
3
NC1
2 C417
IN1
1
R402 51
FL400
VREG_MSMP_2.7V
- 81 -
EAR_MIC_P
HPH_L
33u
HPH_R
FM_ANT
USB+_RINT
USB-_RADC
EAR_SENSE_N
VBATT
RMT_PWR_ON_N
USB_VBUS
UART_TX
UART_RX rev.H
LGE Internal Use Only