11、11Check And Measure; Image Board; Power Check And Measure - Acer AT4202P Service Manual

11、Check and Measure

11-1 Image board

Test the power of each chip with the universal meter, to ground impedance and earth
situation.

11-1-1 Power Check and Measure

A B C D
Supply with getting red arrow point A/B/C/D that identification come out for power, image of board with the
interface among having picture, it corresponding power make detection method separately among following
several picture.
①. In the following tht picture it is successively 1pin to 5 pin of CN121 from left to right, Among them, 1pin
connect 6V voltage and 3pin connect 12V;2pin and 4pin connect power,5pin no connect.
NOTICE：This Picture For SDI Panel Power
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