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Page 16 of 27
2.4. High Pot. and Insulating Resistance Tests
At the end of the process, a “High Voltage” and an “Insulating Resistance” tests are required to fulfil Safety
Electrical requirements (CEI 65065).
High Voltage Withstanding requirements Insulating Resistance requirements
- “Voltage” 3500 VAC - “Voltage” 500 VDC
- “Max Leakage Current” 10 mA - “Threshold Min” 4M Ω
- “Test Time” 5 sec - “Test Time” 3 sec
2.5. SHOP-END Test
At final process stage, it’s necessary to perform “Reset shop” before any packing to leave Factory mode and
restore User default presets.
This function is accessible by selecting “Factory menu Reset Shop”, then pressing RCU “OK/►” key. Other
faster methods via UART/IR commands are available on enclosed SIACP requirements (rev. v5.9) .While USB3.0
as the Serial port, Reset Shop also can close the Serial port function, and it is very necessary to perform “Reset
shop”
“ResetShop” presets should follow “MT5531_EU_OOB_MenuSetting_step1_Base_01.doc” document.
Note: A password might be required in case of Parental Control function is locked, use default “1234” password
or “0423” super password to clean-up existing ones if forgotten.
END
Appendix ⑴ “How to upgrade SW FLASH using MTK tool”
Connect UART interface to suitable manufacturing TV input connector (note that PC connector requires
TVs on “Factory mode”)
Launch MTK tool with version above v0.6.7
Set right SoC template (ex: MT53xx)
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