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ASUS
L3
Service
Manual
2017-06-08
ZD553KL
-2-
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 analysis
)
Contents
Summary of Contents for L3-L4
Page 5: ...L3 Service Manual 2017 06 08 ZD553KL 5 ASUS ...
Page 6: ...L3 Service Manual 2017 06 08 ZD553KL 6 ASUS ...
Page 7: ...ASUS 2017 06 08 ZD553KL 7 2 Main chip work principle L3 Service Manual ...
Page 8: ...ASUS L3 Service Manual 2017 06 08 ZD553KL 8 ...
Page 9: ...ASUS L3 Service Manual 2017 06 08 ZD553KL 9 PM8937 Work Principle ...
Page 10: ...ASUS L3 Service Manual 2017 06 08 ZD553KL 10 PM8937 Power on sequence ...
Page 11: ...ASUS L3 Service Manual 2017 06 08 ZD553KL 11 Power on timing specifications ...
Page 12: ...ASUS L3 Service Manual 2017 06 08 ZD553KL 12 三 Common Fault Analysis 1 Boot class fault ...
Page 13: ...ASUS L3 Service Manual 2017 06 08 ZD553KL 13 ...
Page 17: ...L3 Service Manual 2017 06 08 ZD553KL 17 ASUS ...
Page 19: ...L3 Service Manual 2017 06 08 ZD553KL 19 ASUS 3 Sound class fault MIC fault analysis ...
Page 21: ...L3 Service Manual 2017 06 08 ZD553KL 21 ASUS Headphone failure analysis ...
Page 23: ...L3 Service Manual 2017 06 08 ZD553KL 23 ASUS Receiver Failure Analysis ...
Page 25: ...L3 Service Manual 2017 06 08 ZD553KL 25 ASUS SPK Failure Analysis ...
Page 26: ...ASUS L3 Service Manual 2017 06 08 ZD553KL 26 ...
Page 28: ...ASUS L3 Service Manual 2017 06 08 ZD553KL 28 4 Touch screen failure ...
Page 30: ...ASUS L3 Service Manual 2017 06 08 ZD553KL 30 5 Charging Fault Analysis ...
Page 31: ...ASUS L3 Service Manual 2017 06 08 ZD553KL 31 ...
Page 33: ...L3 Service Manual 2017 06 08 ZD553KL 33 6 Motor Fault Analysis ASUS ...
Page 35: ...L3 Service Manual 2017 06 08 ZD553KL 35 7 SIM UIM T Card Fault Analysis ASUS ...
Page 38: ...ASUS L3 Service Manual 2017 06 08 ZD553KL 38 ...
Page 39: ...ASUS L3 Service Manual 2017 06 08 ZD553KL 39 8 Camera type failure ...
Page 40: ...ASUS L3 Service Manual 2017 06 08 ZD553KL 40 ...
Page 41: ...ASUS L3 Service Manual 2017 06 08 ZD553KL 41 ...
Page 42: ...ASUS L3 Service Manual 2017 06 08 ZD553KL 42 ...
Page 44: ...L3 Service Manual 2017 06 08 ZD553KL 44 9 WIFI BT GPS fault analysis ASUS ...
Page 45: ...L3 Service Manual 2017 06 08 ZD553KL 45 ASUS ...
Page 47: ...ASUS L3 Service Manual 2017 06 08 ZD553KL 47 10 FM demodulation circuit failure ...
Page 48: ...ASUS L3 Service Manual 2017 06 08 ZD553KL 48 ...
Page 51: ...ASUS L3 Service Manual 2017 06 08 ZD553KL 51 ...
Page 52: ...L3 Service Manual 2017 06 08 ZD553KL 52 12 Light distance sensor failure ASUS ...
Page 54: ...ASUS L3 Service Manual 2017 06 08 ZD553KL 54 13 Gyro sensor failure ...