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L1&L2

 

Service

 

Manual

 

                   

TCL

 Communication Ltd.

 

Rev.: 1.0 

Venice 5048A_I_U_Y & 5148A_I Level 1 & Level 2 Service Manual 

Page: 31/32 

All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization. 

 

8. 

L2 trouble shooting 

This chapter describes the Level 2 repair that can be done without any diagnostic equipment. 

Please refer to <General L2 trouble shooting V1.2> in support (CSS/RSH) website for details. 

 

Note:   

1)  As Venice 

LCD

 and 

TP

 are integrated together, please pay attention the LCD connector and the TP 

connector are shared when doing the LCD/TP issue; 

2)  Pay attention that only 

5048Y 

& 

5148I

 have 

NFC function

, please just skip when doing the NFC 

issue on other models(5048A_I_U, 5148A); 

3)  While doing 

camera

 function issue, please refer to above 

chapter 7

 for details. 

4)  As Venice 

Light sensor

 and

 Proximity sensor

 function are not integrated, please do separated 

light sensor and proximity sensor functions. 

5) 

In case the Level 2 repair can’t solve the problem, for L2 repair center, please exchange the PCBA. 

 

 

9. 

PCBA exchange 

For L2 repair center, if Level 2 repair does not solve the failure, it is mandatory to change the PCBA and 

follow the process as below. 

Please DO upgrade software and test again before exchanging the PCBA. 

1)  Collect the PCBA (without accessories, LCD and camera). MIC should be enclosed when you 

exchange the PCBA. 

2)  Fill in the record sticker with IMEI number, fault code, short code, Hardware Technical Level and 

software version.   

3)  All the defective PCBAs should be sent to RSH. If RSH send defective PCBAs for L3 repair, please 

Содержание Venice 5048A

Страница 1: ...5148A_I Note This manual describes the maintenance of the Venice series The following operations can only be performed by authorized repair centers This manual can be modified without prior notice on...

Страница 2: ...ty 14 4 Basic inspection 15 4 1 Engineer functionalities 15 4 2 Warranty check 15 4 2 1 Visual Mechanical inspection for handset and accessories 16 4 2 2 Proof of purchase 16 4 2 3 IMEI Check 17 4 2 4...

Страница 3: ...8 20 28 full 38 40 LATAM B1 2 3 4 5 7 8 12 13 17 28 full 66 5G Network OS Android P 9 0 Chipset MT6763V V CPU Frequency 4xCortex A53 2 0 GHz 4xCortex A53 1 5 GHz Design Dimensions mm 164 85X75 8X8 39...

Страница 4: ...2 5048A 5148A 1 5048I_U_Y 1 or 2 SIM card type 4FF Nano SIM SIM TF 2 in 1 Yes Hot swap Yes Audio Jack 3 5mm audio jack Charging Port Type C USB 2 0 Memory Storage 64GB 64 4GB for 149EUR version compa...

Страница 5: ...type Soft pack Internal battery Yes Charging Technology Normal charging 5V2A Charging Time 2 7H TBD Standby time 500H 2G 3G 400H 4G TBD Talking time 24H 4G 3G 30H 2G TBD Connectivity IR N A Wi Fi WLA...

Страница 6: ...ends with 1 is for 1 SIM for example 5048Y 2AALEU11 2 CU Ref ends with 2 is for 2 SIM for example 5048Y 2AALEU12 1 2 1 Commercial Label 1 Printing Zone definition For general 52 27mm Signification Rem...

Страница 7: ...32 All rights reserved Transfer copy use or communication of this file is prohibited without authorization 1 2 2 CU label 1 Printing zone definition 73x38 mm 5048U 2AALEU12 IMEI sample V01 5048Y 2AAL...

Страница 8: ...r copy use or communication of this file is prohibited without authorization Signification Remark Color Refer to ERP EAN Code Text 1D Code CE NOM Logos 2 CU label example 5048A 2AALMX11 CU Sample V01...

Страница 9: ...ed Transfer copy use or communication of this file is prohibited without authorization 5048Y 2AALEU12 CU Sample V01 5148A 2AALMX11 CU Sample V01 5148I 2AALMX12 CU Sample V01 1 2 3 IMEI label print ins...

Страница 10: ...2 7H Standby time 500H 2G 3G 400H 4G Talking time 24H 4G 3G 30H 2G Charger EU version PRI 100 240V 50 60Hz 0 5A SEC 5 0V 2A USB cable Data Cable 5V 2A USB2 0 2 Repair process For personal data protect...

Страница 11: ...ng with L1 repair Start Function Retest use Smart Diagnosis tool or MMI test Pre test failure confirm use Smart Diagnosis tool or MMI test Visual inspection Warranty check SW upgrading Accessory repla...

Страница 12: ...around the PCBA such as PCBA module antenna spring key pad dome keypad PCB finished flip casing FPC LCD keypad LED signal LED camera TP battery flashlight receiver speaker microphone vibrator keypad P...

Страница 13: ...embly NG OK L2 Repair Reassembly Function test use Smart Diagnosis tool or MMI test NG OK OK NG END GDPR notice Personal data must be saved by end user when possible before repair as no personal data...

Страница 14: ...rd 3 One PC with below configurations CPU Equal to Pentium 1 6 GHZ or above RAM 2GB or above Hard Disk 2GB or above Operation System Windows XP Vista Win7 Win8 Win10 USB port Internet connection with...

Страница 15: ...l pad Check current software version 4 2 Warranty check 1 Warranty principle Products within the warranty period and not subject to misusage or modification can be repaired free of charge in TCL autho...

Страница 16: ...for details 4 2 2 Proof of purchase 1 Check the warranty status of the product on Proof Of Purchase POP 2 Check the manufacturing date there are three ways to check a Using the date code on commercia...

Страница 17: ...chapter 5 for details 4 2 3 IMEI Check There re three ways to check the IMEI 1 Power on the handset go to Settings System About phone Status IMEI information 2 Open dial pad and type 06 3 Use the lat...

Страница 18: ...hes the one on the IMEI label if not please consider the device out of warranty as it have been modified 4 2 4 Humidity sensitive label Humidity sensitive label check 1 Liquid was detected by humidity...

Страница 19: ...n there will be something wrong during switch on or when cannot charge or cannot charge normally Consumer personal data format It will format consumer data and the memory and settings of your product...

Страница 20: ...nly be used with dedicated SIM card hence use the relevant SIM card or enter the phone code if available d Power on the product to launch the auto test A Using Smart Diagnosis Tool to proceed with the...

Страница 21: ...xx In this case either press Next to go on test or press RETEST to retest this item or press END to Power off For detailed instruction of each test item please refer to MMI Test General User Guide vid...

Страница 22: ...n Please refer to instructions of SUGAR Tool video in support CSS RSH website Note Please use the latest version of SUGAR for the SW upgrade 6 Disassembly and reassembly Venice 6 1 Disassembly tool Yo...

Страница 23: ...be followed carefully do some of those steps according to the spare part which you need to replace 3 Actual Spare Part List depends on the CU reference Please check with RSH website or SCS system for...

Страница 24: ...ra Camera Mobile Only CMOS 5M FF 6 5 6 5 H3 7 mm FPC BTB 5806 24PIN MIPI GC5035 WC1X0 PC5387 65HD N A N A N A 9F506B SHINETEC H 1 Make sure conductive tape is well assembled on furnished underfilling...

Страница 25: ...make sure AI key FPC LCD TP FPC LCD FPC HOLE mylar and main sub FPC are well assembled on the furnished underfilling 4 Before assemble Sub PCBA on the furnished underfilling make sure Sub PCBA conduc...

Страница 26: ...emble the speaker on the furnished underfilling please pay attention to the assembling direction 7 While replace a new furnished bottom support please remember to assemble speaker FPC on the frame fir...

Страница 27: ...in golden during assembly process or receiver may function will not work properly 9 While assemble screws on the frame please pay attention to the 2 kinds of screws and screw torque Screw with Red Cir...

Страница 28: ...e PCBA Y Y N N N Y Y Y Reassemble Cameras Y N Y Enter MMI test Do DUALCAM VERIFY Check whether Cam verify is pass Y Enter MMI test Do DUALCAM VERIFY Check whether Cam verify is pass Enter MMI check if...

Страница 29: ...or main PCBA is replaced Step 3 Touch camera button to start Shooting requirements A scene with more outlines such as portrait flowers and plants toys etc which with distinct silhouette Solid color w...

Страница 30: ...ouch Done to finish Note DUALCAM VERIFY mainly affects camera bokeh effect When complete above camera repair process please access Camera app select PORTRAIT mode shoot a portrait double check whether...

Страница 31: ...ther models 5048A_I_U 5148A 3 While doing camera function issue please refer to above chapter 7 for details 4 As Venice Light sensor and Proximity sensor function are not integrated please do separate...

Страница 32: ...nal Re test During the function re test the following items must be checked and validated 1 Cosmetic aspect of the handset 2 Upgrade software to latest version 3 Switch on the handset go to default we...

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