JHL90 Service Manual
Check 3
Replace the LCD module with a new one and test display again.
• If the problem still exists, perform Check 4.
lay again.
• If the problem still exists, perform Check 5.
The system board may be damaged. Replace it with a new one.
Check 4
Replace the LCD/FL cable with a new one and test disp
Check 5
Replace the CPU with another of the same specifications.
• If the problem still exists, perform Check 6.
Check 6
6-12
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