3. TROUBLE SHOOTING
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Only for training and service purposes
LGE Internal Use Only
PT5000
100K
+VPWR
1n
C5020
C5021
DNI
R5003
100K
GND_XOADC
84
GND_XOBUF
198
XTAL_19M_IN
208
XTAL_19M_OUT
216
XO_OUT_A0
173
XO_OUT_A1
182
XO_OUT_D0
175
XO_OUT_D1
184
XTAL_32K_IN
215
XTAL_32K_OUT
206
SLEEP_CLK0
176
OPT_1
25
VREF_XO
69
XO_THERM
75
GND_XO_01
191
GND_XO_02
207
XO_OUT_A2
183
XO_OUT_D0_EN
197
OPT_2
159
X5000 8Z19200010
19.2MHz
2
1
3
GND1
4
GND2
WTR0_XO_A0
XO_OUT_D0
XO_OUT_D0_EN
SLEEP_CLK
Xtal of QCT Ref. Schem. include Thrmstr
For MSM CXO_EN
XOADC GND is isolated
XO Output check : X5000