ASUS
L3
Service
Manual
2017-06-08
ZD553KL
-3-
一
、
Overview
1
、
Specifications
:
1)Network frequency : GSM
:
900/1800/1900MHz , GSM
:
B2(1900)/B3(1800)/B8(900)
;
TDD LTE
:
B38(2600)/B39(1900)/B40(2400)
;
TD-SCDMA
:
B34(2010)/B39(1900)
;
2) size: 154.8mm×77.8mm×8.8mm
3) screen: 5.5 TFT /1280*720 /HD/IPS
4) Battery: 3000mAh lithium battery
2
、
The Main Function:
1) Front Camera: Front dual Camera: F2.0 20M FF OV20880-4C + 8M F2.2 Wide angle 120 ° optical
Compatible with previous single Camera: 13.0M FF;
Main Camera: F2.2 16M AF OV & SAMSUNG; Compatible with 13.0M AF;
2) Flash LED: Front and rear single flash
3) SIM: Dual SIM Dual Standby (Nano-SIM slot*2) support DSDS 4G+3G (Sim1, Sim2 support LTE
interchangeable),SIM Tray Keep Nano SIM*2+micro SD 3 election 3
4) Sensor:
1. Accelerator
2. E-Compass
3. Proximity
4. Ambient light sensor
5. Gyroscope6. Hall sensor
5)
Fingerprint recognition:
Support, front
6) Microphone: Microphone*2 (one for de-noise)
7) Storage: eMMC 32G, Micro SD Card Support (Up to 2TB) (SD Card slot * 1), 2G/16G,3G/32G
8) Charger: Charging LED must be included, JEITA, USB-ACA standard supported
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 ...