4. TROUBLE SHOOTING
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Only for training and service purposes
LGE Internal Use Only
4.7.3.2 WIFI/BT/FM Main clock part
G
G
Test Point Net name
Description
TP1
WRF_XTAL_OP
Crystal Oscillator Input.
The default frequency reference is 37.4Mhz.
G
G
G
G
{wXG
{wX
H4
H5
G4
J3
H3
H1
H2
D4
H7
F2
G1
F1
WRF_XTAL_OP
WRF_XTAL_ON
WRF_TCXO_IN
LPO
WRF_GPIO_OUT
WL_GPIO_0
WL_GPIO_1
WL_GPIO_2
WL_GPIO_3
WL_GPIO_4
WL_GPIO_5
WL_GPIO_6
18p
C536
X500
1ZZCAB37400AA0A
37.4MHz
4
2
3
1
IN1
IN2
GND1
GND2
C535
18p
TP509
1
1
5
R
0
2
2
SLEEP_CLK
WLAN_HOST_WAKEUP
TP1