Table Of Contents - Asus ZD553KL Service Manual

ASUS
一：Overview
1.Specifications...........................................................................................................................................................3
2. The main function .................................................................................................................................................3
二：Mobile phone structure diagram
1. ZD553KL Motherboard PCBA diagram
................................................................................................................4
2. Main chip work principle.......................................................................................................................................7
三： Common Fault Analysis
1.Boot class fault......................................................................................................................................................12
2.Display class fault..................................................................................................................................................16
3.Sound class fault....................................................................................................................................................19
4. Touch screen fault................................................................................................................................................29
5. Charging fault........................................................................................................................................................28
6. Motor fault............................................................................................................................................................33
7. SIM/UIM/T Card identification fault.................................................................................................................35
8. Camera type
failure..............................................................................................................................................39
9.GPS/WIFI/BT failure..............................................................................................................................................44
10.FM demodulation circuit
failure.........................................................................................................................47
11. Front and rear flash bad.....................................................................................................................................50
12. Light distance sensor failure..............................................................................................................................52
13.Gyrosensorfault ...................................................................................................................................................54
RF class failure（ Refer to RF bad
2017-06-08
L3 Service Manual
Contents
analysis）
ZD553KL -2-