Read Sony DAV-S300 (serv.man2) Service Manual online
7
and “NO DISC” is displayed.
（Reference） Detection of Disc Type
Disc type during playback is automatically detected according to the difference of MIRR
signal created from the reflected laser light from media such as DVD-SL / DVD-DL / CD. If
it’s not detected correctly, confirm the value of P-P of RF signal and also make sure
whether reflected laser light is correctly detected. If the proper detection is impossible,
change OP block.
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