Asus ZS551KL User manual

ZS551KL
EE Troubleshooting Guide
Introduction & Training
2017/8/9

ZS551KL Outline
•Component and PCB Board Introduction
•Power On Sequence
•BL Troubleshooting Guide
•ASSY Troubleshooting Guide

PCB Board Introduction (TOP)
P-Sensor
SIM2/SD/SIM1
CAM ISP
MSM8998
LPDDR4x
UFS
Indicator LED
Receiver
Speaker
AMP
Receiver
AMP
NFC IC PMI8998 OVP IC
USB
Switch
ADC

PCB Board Introduction (BOTTOM)
PM8998
RCAM &
G+G CONN
FCAM
CONN
Side key
CONN
PM8005
LCM
CONN
WCD933
5
SMB138
1
BATT
CONN
B2B
CONN
Vibrator
AMP
LCM
driver
RGB
laser
Laser
sensor
Flash LED
MIC3
MIC3
Ecompass

SUB Board Introduction (TOP)
USB_TYPEC_CONNHall sensor
Vibrator
springs