L1
Service
Manual
TCL
Communication Ltd.
Rev.
ONE TOUCH 8070 Level 1 Service Manual
Page
1.0
19/22
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firstly.
3.2. Precaution
The heart of the handset contains all digital circuit (microprocessor, ASIC, memories, display, keypad, etc)
and the high-frequency transceiver circuit which is protected by the upper and lower cover.
However, some ESD sensitive area is completely or partially visible (keypad keys, micro-SIM drive, etc).
In order to prevent any risk of ESD damage during disassembly or assembly of the handset, the operator's
wrist should be grounded.
This picture illustrates the connection. The operator wears an electrostatic conduct bracelet which
connected to an anti-static pad. And the pad place on the work surface which connected to the metal
structure workbench, the whole being earthed.
4. Software download
It is authorized to download software for the handset which needs to be updated. This downloading
tool is called
“Sugar MTK_SP”. Handset Software can be downloaded from TS website via it. Thus
internet access is necessary. TS Website: https://css.tclmobile.cn/.
Equipments requested when download
：
⑴
A handset with full power;
⑵
PC with windows system;
