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PSR-E343/PSR-E344/YPT-340

DMLCD Circuit Board Test Method

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The DMLCD Circuit Board is provided with test points for service check purposes.

Check the test points on the DMLCD Circuit Board if the following symptoms appear.

Symptoms and check items

No LCD display with Power SW ON -- > Check items 1 to 7 sequentially

No sound or distorted sound -- > Check items 3, 5, 8 and 9, and OUTPUT check items.

Test Point

Note : Use the standard AC adapter PA-130 or PA-130A for check operation.