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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
Содержание STUDIO 5.0 HD LTE
Страница 1: ...1 43 BLU STUDIO 5 0 HD Service Manual...
Страница 8: ...8 43 Finished Remove the LCD 19...
Страница 12: ...12 43 Finished Fasten the 10 screws 19 Install the battery cover 20...
Страница 15: ...15 43 Side A layout Side B layout...
Страница 17: ...17 43 5 2 Baseband CPU circuit introduction for power supply CPU power supply part...
Страница 18: ...18 43 5 3 Introduction for baseband chip CPU signal output part circuit...
Страница 22: ...22 43 SKY7775XX POWER AMPLIFIER MODULE FOR CDMA WCDMA HSDPA HSUPA HSPA LTE DAND...
Страница 24: ...24 43 MT6323 power manage supply output...
Страница 29: ...29 43 SIM CIRCUIT SIM1 SIM2 From power IC From power IC From power IC From power IC Power IC SIMLVS...
Страница 33: ...33 43 Speaker circuit To speaker From power IC Audio detector Audio PA IC...
Страница 35: ...35 43 Receiver circuit From power IC Receiver Main related component BBIC U101 power IC U401 receiver...
Страница 37: ...37 43 Microphone circuit Main related component BBIC U101 power IC U401 microphone To microphone From power IC...