Asus P735, Service Manual

Page: 16 / 74

CSC
■
Lv3Lv4 Repair Manual
- 24 - ASUS Proprietary
華
華
碩
碩
電
電
腦
腦
MMI display, 2mm
line
timing problem LCD timing.
SYS
MMI
LCD White
screen
LCD panel is fail LCD is damaged in left
below side as shown
in report
SYS
MMI
LCD white fail 1.LCD backlight
not uniform, send
to vendor for
analysis
2. From vendor
analysis, the
mura was caused
by the assembly
issue of the B/L.
Toppoly LCD issue
14.3 ER2 Notice List
Station Problem
Symptom
Preliminary
Analysis
Root Cause Remark
Board
level
MMI
Sleep mode
current fail
CE3(RTC) is short
circuit, so it cause
leakage current in
standby mode
SMT issue
Board
level
MMI
Sleep mode
current fail
OS can not suspend
resume to cause
sleep mode current
fail.
U1(CPU) issue
Board
level
MMI
Sleep mode
current fail
leakage current is
from U20(PMU) to
cause charge fail
U20(PMU) issue.
Board
level
MMI
Earphone_L
FREQ FAIL
Audio amplify L
path fail cause to
earphone L freq no
sound
U14(audio amp.)
issue