Main Board Not Work; Panel Not Work; Power Board Not Work - Haier 32D3000B Service Manual

10-6 Main board not work

? Check if the power supply has +12V/+5VSB output.
? Verify if the DC/DC convertors have the right output (5V, 3.3VSTB, 1.2V, 1.8V).
? Verify if the Mainchip-MSD3393LU (For North America, Mainchip- MSD3393LU) DDR, AudioAMP...solder well.
? Verify if the FLASH (UF1) has the right software and work well.
? Verify if the Y1(Crystal) has the right frequency.

10-7 Panel not work

? Check if the voltage input and output of boost IC is working normally.
? Verify if the Mainboard output the right On/Off signal to power board.
? Verify if the Mainboard output the LVDS singal to panel T-con board.
? Verify if the software is the right version of this model.
? Change the LVDS wire to check if it' s broken.

10-8 Power board not work

? Verify if the power cord connect well.
? Check if the power supply is working normally. Check if the power supply of +5VSB standby is working normally.
? Check if the POWER ON/OFF voltage is high pressure.
? Check if the power supply has +12V/+5VSB output.
? Check if Main board/LVDS wire/Panel are in good condition.
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