LG GW620 Servise Manual page 207

7. CIRCUIT DIAGRAM
C14
1UF
VREG_MSMP_2.7V
HPH_R C342 0.22uF
HPH_L
C343 0.22uF
LINE_OP C369
LINE_ON
C368
C15
AUDIO_I2C_SDA
AUDIO_I2C_SCL
RCV_P R108 10ohms
RCV_N
R10710ohms
MIC_1N
MIC_1P
C139 C138
33pF 33pF
VREG_MSMP_2.7V
HS_MIC_BIAS_EN
C360
2.2uF
HS_MIC
R136
HSL
1ohms
EAR_SENSE
R137
HSR
1ohms
FM_ANT
C338 C339
47pF 47pF
LGE Internal Use Only
+VPWR
C364 C160
C2 1u
0.1UF 1u
C16 1UF
A4
C1N
A5 A1
C1P HPR HSR
A2
HPL HSL
D1
INA2
D2
INA1
IC1
0.018uF
C1 FB7
INB2 MAX9877AEWP_TG45
C2 D5
INB1 OUT+ SPKR_P
0.018uF
FB8
B2 B5
SPKR_N
BIAS OUT-
1UF
B3 C123 C150
SDA
C3 33pF 33pF
SCL
D4
RXIN+
B4
RXIN-
SUBSYSTEM_AUDIO
MICBIAS
SPM0410LR5H-QB
G4
FB3 6
PWR
5
G3
FB4 4
G2
3
G1
2
OUT
1
MIC1
C371 C370
18pF 18pF
C140
33pF
MICROPHINE
EUSY0355501
VREG_MSMP_2.7V
CE GND
3 2
VDD VOUT
4 1
RP103K181D-TR-F U21 C362 C143
10uF 33pF
HOOK_ACD
FB1
J2
FB6
FB5
7620-3_5G-DB1-A
C144
33pF
L36 R38
C226
270n
22pF
10Kohms
3.5 pi EAR JACK CONNECTOR
1
WLAN_BT_IN_OUT ANT
2
close to 3 GND5
3
VDD_WL_PA
4
C167 C367
WLAN_CMD SDIO_CMD
5
10uF 0.1UF
WLAN_CLK SDIO_CLK
6
WLAN_SDIO[3] SDIO_D3
7
WLAN_SDIO[2] U29
SDIO_D2
8
WLAN_SDIO[1]
SDIO_D1
9 LBEH19UNBC
WLAN_SDIO[0] SDIO_D0
10
WLAN_RESET_N WL_RST_N
11
WLAN_WAKEUP WL_WAKE_B
12
R44 WLAN_REG_ON REG_ON
13
+VPWR VBAT_IN
L38
0
C113 4.7uF 14
SR_VLX1
3.3uH 15
C376 C100
SR_VLX1BB
4.7uF 0.1uF
4.7uH
L37
C366
0.1uF
VREG_MSMP_2.7V
VREG_MSMP_2.7V
C168
close to 17
10uF
C365
C238 C112 C203
0.1uF
100n 4.7uF 2.2uF
LDO for TCXO
+VPWR
RP103K281D-TR-F U28
4 1
VDD VOUT VDD_TCXO
3 2
CLK_REQ CE GND
EUSY0355701
CLK_IN
C21
C175 1uF
2.2u
WLAN_BT_IN_OUT
C260 C250
DNI DNI
- 208 -
WLAN_HOST_WAKEUP
BT_UART_RXD
BT_UART_RTS
BT_UART_CTS
BT_UART_TXD
45
BT_PCM_CLK BT_PCM_CLK
44
BT_PCM_OUT BT_PCM_IN
43
BT_PCM_SYNC BT_PCM_SYNC
42
BT_PCM_IN BT_PCM_OUT
FB17
41
VDD_BT_PA
600 ohm
40
SLEEP_CLK C377 C219
S_CLK_IN
39
8pF 1uF
GND6 C322 0.001uF
38
FM_ANT FM_ANT
37
BT_GPIO_0 BT_WAKEUP
36
BT_GPIO_1 BT_HOST_WAKEUP
35
BT_GPIO_3
34
BT_GPIO_4
33
BT_GPIO_7
32
F_CLK_IN CLK_IN
31
F_CLK_OUT
TP53
C217
BT_RESET_N
1uF
1UF C28
FM_R
1UF C26
FM_L
26MHz TCXO
VDD_TCXO
26MHZ
VCC GND
4 2
C313 0.001uF
OUT NC
3 1
TG-5010LH-87N X3
C20
1uF
ANT1 ANT6
ANTENNA_PAD ANTENNA_PAD
CAMERA/AUDIO
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Only for training and service purposes