Haier BH-2004D CTV - How to enter service mode - Memory IC replacement_ Default Data Values _ Full Circuit Diagram.
MEMORY IC REPALCEMENT and SERVICE MODE ENTRY
* Standby off. Switch the power off and unplug the power cord from AC outlet.
* Replace the IC. Be sure to use memory IC written with the initial data values.
* Standby on. Plug the power cord into the AC outlet and switch the power on.
* Check and set the System Default Value:
* Press “Mute” “Call” “-\--“ “Call” “Mute” buttons in sequence to enter into factory mode [Service Mode].
If the memory IC haven’t been written with the initial data, press “Program+” / “Program –“ to select the item “Init” and press “Volume +” / “Volume –“ to start initialize the memory IC
Check the setting value of the System default value. If the value is different, select items by “Pr+ / Pr—“ keys and set value by Vol + / Vol – keys.
Press Exit button to return to normal screen.
FACTORY SET VALUES [DEFAULT DATA VALUES TO MEMORY IC]
SCHEMATIC DIAGRAM -Full
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