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CAUTIONS
Please refer to the phone’s user’s guide for instructions relating to operation, care, and maintenance, which include
important safety information.
Servicing and alignment must be undertaken by qualified personnel only.
Ensure all work is carried out at an anti-static workstation and that an anti-static wrist strap is worn.
Use only approved components as specified in the parts list.
Ensure all components, modules, screws, and insulators are correctly re-fitted after servicing and alignment
Ensure all cables and wires are repositioned correctly
Electrostatic discharge can easily damage the sensitive components of electronic products. Therefore, every service
supplier must observe the precautions which mentioned above.
CONTENTS
Content
1. Brief Introduction
….……………………………………………………………………………….….3
2
. Tools……………………………………………………………………………………………………..5
3. Assemble & Dissemble
Dissembly..........
........…………………………………………………………………………...6-11
Assembly………………………………………………………………………………………...12-17
6. Picture of main board
A&B side of PCBA
.…………….…………………………………………………….…………..18
A&B of PCBA Layout………….….………….…………………………….………………….…....19
7. System Block C
hart…………………………………………………………………………………...20
8. Unit Circuit Map ..
…......................................................................................................... 21-27
9. Trouble Shooting Guid
e …..…………………………………………………………………….28-39
Summary of Contents for STUDIO 5.0 HD LTE
Page 1: ...1 43 BLU STUDIO 5 0 HD Service Manual...
Page 8: ...8 43 Finished Remove the LCD 19...
Page 12: ...12 43 Finished Fasten the 10 screws 19 Install the battery cover 20...
Page 15: ...15 43 Side A layout Side B layout...
Page 17: ...17 43 5 2 Baseband CPU circuit introduction for power supply CPU power supply part...
Page 18: ...18 43 5 3 Introduction for baseband chip CPU signal output part circuit...
Page 22: ...22 43 SKY7775XX POWER AMPLIFIER MODULE FOR CDMA WCDMA HSDPA HSUPA HSPA LTE DAND...
Page 24: ...24 43 MT6323 power manage supply output...
Page 33: ...33 43 Speaker circuit To speaker From power IC Audio detector Audio PA IC...