TCL MT31-AP, Service Manual

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Test and Alignment Specification for MT5331 Series (v0 91)
Page 19 of 26
(ex: DTA-115 Multi-Standard VHF/UHF Modulator - http://www.dektec.com/products/PCI/DTA-115/ )
 Play DVB MPEG SSU TS, that includes suitable PKG SW image, with right presets (850MHz/8MHz/…)
detailed on above 1.2 section

Send OAD manufacturing IR code [08d/60d] (refer to SIACP document rev. v5.9 for further information) or
go to “
Factory menu

Other

OAD update
“ and then press RCU “
OK/
►” key

OAD will start automatically and several pop-up messages such as scanning/searching, downloading and
flashing will be skipped (acknowledged by default)

Once upgrading completed, TV may restart automatically after warm start and implicit ResetAll (in case of
NVM mapping/signature change) in previous Factory and/or Burn-in mode
Appendix
⑷
“
How to change ProjectID with RCU
”

Process following subsequence IR codes to change projectID: MENU+xxx (xxx:ProjectID, ex:
003)

Restart TV
Appendix
⑸
“
How to Upgrade HDCP KEY by UART
”

Connect UART interface to suitable manufacturing TV input connector

Launch MTK tool with version above User Tool: FlashTo0l.exe

Open Flash Tool, Select menu bar Confing Item. Select Flash Download option ..
 Click on “
Flash Download option
” button and Into option menu.

Seting Start Address:0x007b0000, Area Length:0x00010000. Select OK.