LG -P895 Service Manual page 69

4.3 Checking Crystal Circuit
4.8.2 Checking Crystal Circuit
System Setting  Location Service  GPS satellites Check  Enter test mode *#*#895#*#*  GPS Test 
Positioning Test  Setting Key 'Start GPS'
System Setting -> Location Service -> GPS satellites Check -> Enter test mode *#*#895#*#* -> GPS Test ->
Positioning Test -> Setting Key 'Start GPS'
If Setting is right, mobile should display and blink GPS icon
If Setting is right, mobile should display and blink GPS icon
TP1(26M _TCXO_IN Vpp 1.1V@ 26MHz)
X12000
VDD_GPS_TCXO VDD_GPS_TCXO
C12004 C12005
22p 2.2u
R12001
0
TP1(26M _TCXO_IN Vpp 1.1V@ 26MHz)
LGE Internal Use Only
VCC_GPS_1V8
C12006 C12007 C12008
2.2u 0.47u 1u
C12011
1u
EXT_SRESET_B
E3
TCXO_IN
D3
XO_OUT
TP1 (26M_TCXO_IN) OK?
X12000 OK See Next Page
D4
ON_OFF
E4
B6
TMODE
A6
JTCK
C6
JTMS
- 69 - Copyright © 2012 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
Replace X12000
Only for training and service purposes