LG -A230 Service Manual page 127

AMAN301512ST01
L404 1.8n FEED
GND2 GND1
3
ANT400
LGE Internal Use Only
When power class 1.5 is used, R307 is populated and R308 is depopulated.
(Vice versa for power class 2)
VDD_IO_1V8
BT only
FB400
600
Class 2 or 1.5
C401
10n
C405 C406
C400
10n 10n
2.2u
must have 1% tolerance
R400
15Kohms
D6
RES
FL400
C421 100p C407 2p
C7
RFP
IN OUT
1
GND1 GND2 R414 E1
2 C408
C409 SCL
SFCY0000901 D1
1K
DNI SDA
DNI
C1
SPIM_CLK
E2
SPIM_CS_N
U400
C410 1n B4
LPO_IN
RTC_32K
C411 1n F5
XIN
BT_CLK_26M E5
XOUT
C3
BT_WAKEUP GPIO_0
D5
GPIO_6
B3
TP400
BT_DBB_INT GPIO_1
F4
TP401
GPIO_5
BT_CLK_REQ
FM Radio(LNA)
L402
FM_LNA_EN
22n
C413
1u
R402
5.1ohms
.
R407 R408
24K 270ohms
C415
ANT401 L405 270n L406 270n
3
C416
1 Q401
470n
1n
2
C418
ZD400
15p
C420
R412
470n
4.7K
300ohm
VAUX_2V85
C403
10p
C402
10p C404
2.2u
VDD_IO_1V8
C5
RST_N
B5 BT_RST_N
REG_EN
C6
TM2
D4
PCM_IN
E4 BT_PCM_OUT
PCM_OUT
C4 BT_PCM_IN
PCM_CLK
BT_PCM_CLK
A4
PCM_SYNC
BT_PCM_SYNC
C2
UART_TXD
D2 BT_UART_RX
UART_RXD
BT_UART_TX
F2
UART_RTS_N
BT_UART_CTS
E3
UART_CTS_N
BT_UART_RTS
B2
HUSB_DN
A2
HUSB_DP
L401
FM_LNA_EN
22n
C412
1u
R401
5.1ohms
.
R404 R405
24K 270ohms
C414
3
FM_ANT
1 Q400
1n
2
C419
R411
4.7K 470n
300ohm
- 127 -
INDICATOR
VDD_IO_1V8 VDD_IO_1V8
R403 R416
DNI DNI
INDICATOR_1 INDICATOR_2
R406 R417
100K 100K
R403 R416 R406 R417
INDICATOR_1 INDICATOR_2
A230
Dual / 1.3M / Wireless FM
DNI DNI 100k 100k 0 0
A235
single / 1.3M / Wireless FM
100k DNI DNI 100k 1 0
A225 single / VGA / Wireled FM DNI DNI
100k 100k 1 1
??
VARI_3
DNI 100k 100k DNI 0 1
Copyright © 2011 LG Electronics. Inc. All right reserved.
7. CIRCUIT DIAGRAM
Only for training and service purposes