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9.4.2. Distinction Analysis
9.4.2.1. Analysis Procedures
1. Confirmation of pointed symptom -1
• Confirm the pointed symptom of BD player occurs again after cleaning the lens.
2. Replacement of Digital P.C.B. with the normal P.C.B.
• Replace the failed Digital P.C.B. with the normal P.C.B.
3. Confirmation of pointed symptom -2
• Checking symptoms of failed disc in the procedure 1.
For this time,
PASS denotes the Digital P.C.B. is defective.
FAIL denotes the Optical Pick-up or mechanism are defective.
4. Replacement of Digital P.C.B. with the original one.
5. Pointed symptom -3
• Recheck the pointed symptoms to see mechanism part is improved.
For this time,
In case of FAIL, go back to Replacement failure part 1 to confirm the pointed symptoms.
If it is PASS, it is finished.
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