Dvd Player Wont Read Disk But Plays Cd S Home Stereo And Theater

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sony home cinema dav-sc6 will play cd’s but not dvds?

@woolley this is a common issue if the laser assembly has failed or the laser lens is dirty. The wavelength of the laser is different for CD/DVD hence you have more than one lens. Yuor system uses Semiconductor laser(Super Audio CD/DVD: λ650 nm)(CD: λ780 nm)Try a commercially available lens cleaner kit and see if it makes a difference. If not you may consider replacing the laser assembly if available.