48RQT7462ReferenceTroubleshooting guideSound PageOperationRecording, timer recording and transferring (dubbing)Continued on next pageNo sound.Low volume.Distorted sound.Cannot hear the desired audiotype.≥Check the connections and settings. Check the input mode on the amplifier if you haveconnected one.≥Press [AUDIO] to select the audio.≥Turn off V.S.S. in the following cases.–When using discs that do not have surround sound effects such as Karaoke discs.–When playing bilingual broadcast programmes.≥The disc may have a restriction on the method of audio output. If “D.MIX” does not appear inthe display when playing multi-channel DVD-Audio, only audio for the two front channels willbe output. Refer to the disc’s jacket. [DVD-A]7, 8, 382225—Cannot switch audio. ≥You cannot switch the audio in the following cases.–When a DVD-R disc is in the disc tray while DVD drive is selected.–When the recording mode is XP and “Audio Mode for XP Recording” is set to “LPCM”.–When “DVD-R Rec for High Speed mode” is set to “On”≥You have used a digital connection. Set “Dolby Digital” to “PCM” or connect using audiocables (analog connection).≥There are discs which audio cannot be changed because of how the disc was created.—383738, 8—Cannot operate the television.The remote control doesn’twork.≥Change manufacturer code. Some televisions cannot be operated even if you change thecode.≥The remote control and main unit are using different codes. Change the code on the remotecontrol.Press and hold [ENTER] and the indicated numberbutton at the same time for more than 2 seconds.≥The batteries are depleted. Replace them with new ones.≥Coloured glass may obstruct the signal reception/transmission.≥Don’t place the signal sensor in direct sunlight or in areas that may be subject to sunlightexposure.≥The child lock function is activated.11114——42The unit is on but cannot beoperated.≥Recording drive or playback drive have not been selected properly.≥Some operations may be prohibited by the disc.≥The unit is hot (“U14” appears on the display). Wait for “U14” to disappear.≥One of the unit’s safety devices may have been activated.Reset the unit as follows:Press [Í/I] on the main unit to switch the unit to standby.If the unit doesn’t switch to standby, press and hold [Í/I] on the main unit for about 10seconds. The unit is forcibly switched to standby.Alternatively, disconnect the AC mains lead, wait one minute, then reconnect it.14, 20———HDD activation is slow. ≥The HDD is in SLEEP mode. (“HDD SLP” appears in the unit’s display.) 13Cannot eject disc. ≥The unit may have a problem. While the unit is off, press and hold [∫] and [CH W] on themain unit at the same time for about 5 seconds. Remove the disc and consult the dealer.If the Child Lock function is activated, above operation does not work. Cancel the Child Lockfunction.42Cannot tune channels. ≥Check the connections. 7Cannot record. ≥You haven’t inserted a disc or the disc you inserted cannot be recorded on. Insert a disc theunit can record onto.≥The disc is un-formatted. Format the disc. [RAM]≥The write-protect tab on the cartridge is set to PROTECT, or the disc is protected with DISCMANAGEMENT.≥Some programmes have limitations on the number of times they can be recorded (CPRM).≥You cannot record when there is not enough space or when the number of titles hasreached its limit. Erase unwanted titles.≥You cannot record on finalized DVD-R discs.≥Due to peculiarities of DVD-R, you may be unable to record onto them if you either insertand remove the disc or switch the unit on and off while a disc is loaded, a total of fifty times.≥A DVD-R recorded on this unit may not be recordable on other Panasonic DVD recorders.123512, 354422, 27,35———