LG GX200 - 4 Trouble Shooting; Power on Trouble

-52-
4. Trouble Shooting
BB SUb-systems
4.1 Power On Trouble
4.1.1 Test Point
- Power-On key detection(PWRON signal)
- Outputs of CPU U401, LDOs U202
- Os Battery Voltage(Need to over 3.35V)
- Oscillate frequency of X401 and X201
Voltage PART
VDD 2.8V TP1(R511.2)
VMEM 1.8V TP2(R501.1)
AVDD 2.8V TP3(C531.1)
VCORE 1.2V TP4(C524.1)
VRF 2.8V TP5(B202.1)
VRTC 1.2V TP6(C507.1)
signal PART
32.768KHz
32.768KHz Clock signal TP7(X401.4)
26MHz 26MHz Clock signal TP8(X201.1)
26MHz out
26MHzClock signal TP9(C232.1)
TP7 32.768KHz