LG -A230 Service Manual page 103

CIRCUIT
TP1
AMAN301512ST01
C421
FEED
L404 1.8n
1
GND2 GND1
3 2
ANT400
LGE Internal Use Only
must have 1% tolerance
TP
FL400
100p 2p
C407
IN OUT
GND1 GND2
C408
C409
SFCY0000901
DNI
DNI
TP5
RTC_32K
BT_CLK_26M
TP6
BT_WAKEUP
BT_DBB_INT
BT_CLK_REQ
When power class 1.5 is used, R307 is populated and R308 is depopulated.
(Vice versa for power class 2)
VDD_IO_1V8
FB400
TP3
C405 C406
10n 10n
R400
15Kohms
D6
RES
C7
RFP
R414
E1
SCL
D1
1K
SDA
C1
SPIM_CLK
E2
SPIM_CS_N
1n
C410 B4
LPO_IN
C411 F5
1n
XIN
E5
XOUT
C3
GPIO_0
D5
GPIO_6
B3
TP400
GPIO_1
F4
TP401
GPIO_5
- 103 - Copyright © 011 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
VAUX_2V85
TP4
600
C401
C403
10n
10p
C402
10p
C400 C404
2.2u 2.2u
VDD_IO_1V8
C5
RST_N
B5
REG_EN
C6
TM2
D4
PCM_IN
E4
PCM_OUT
C4
PCM_CLK
U400
A4
PCM_SYNC
C2
UART_TXD
D2
UART_RXD
F2
UART_RTS_N
E3
UART_CTS_N
B2
HUSB_DN
A2
HUSB_DP
Only for training and service purposes
BT_RST_N
BT_PCM_OUT
BT_PCM_IN
BT_PCM_CLK
BT_PCM_SYNC
BT_UART_RX
BT_UART_TX
BT_UART_CTS
BT_UART_RTS