Haier 32D3000 User Manual

Mainboardnot work
1.check if the power supply have
12V and 5V output.
2.Verify if the DC/DC convertors
have the right output
(5V,3.3V,1.8V,1.15V).
3.Verify if the Mainchip(MSD3393LU),
AudioAMP…solder well;
4.Verify if the FLASH(U18) has the
right software and work well;
5.Verify if the Y1(Crystal) has the
right frequency
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Panel not work
 1. check if the voltage input and
output of boost IC is working
normally.
 2.Verify if the Mainboard output the
right On/Off signal to power board.
 3.Verify if the Mainboard output the
LVDS singalto panel T-con board.
 4.Verify if the software is the right
version of this model.

5.Change the LVDS wire to check
if it’s broken.
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3. Other problem
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Power board not work
 1.Verify if the power cord connect well?  2.check if the power supply if working
normally ; check if the power supply of
+5Vstandby is working normally;

3. check if the POWER ON/OFF
voltage is high pressure;
 4.check if the power supply have
+12V/+5V output;
 5.Check if Main board / LVDS wire /
Panel are in good condition ?

Haier 32D3000 Specifications

General

Brand	Haier
Model	32D3000
Category	LED TV
Language	English