问题：
My oscilloscope has a diagnostic error+ D1311 or D1321. What does this indicate?
答案：
These diagnostic error codes indicate a problem with Static RAM IC’s (U130, U131).
Due to the age of these products, replacement parts are no longer available. Repairs on these products are available from Tektronix Service on a best effort basis.
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常见问题 ID 52991
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