XOCECO LC-27FB18, Service Manual

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31
(5) Check image processing board
Note:
please make sure that the data of FLASH N804 is correct before checking the image
processing board.
Check the power supply
of N803
Yes
No
Yes
No
Check if pin20, 21, 27,
30 of X801is high level Check if the power supply of
L801/L802 are normal
Check if pin3, 5, 26 of N806
output H/V-SYNC and clock Check the peripheral and power supply of
N801, N802, DDR of data board
Yes No
Check the peripheral and power
supply of N806 Check if pin34, 65, 66 of N803 output
H/V-SYNC and clock
Yes No
Check the peripheral and
power supply of N803
Check the peripheral and
power supply of N805