Technics RS-DV290EG Service Manual page 159

5.4. Checking for the DVD module (2) P.C.B.
- Follow the (Step 1) - (Step 3) of item 5.1.
- Follow the (Step 1) - (Step 5) of item 5.2.
- Check the DVD module (2) P.C.B. as shown below.
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