Technics SC-DV170 manual Troubleshooting guide, Listening to the radio, Listening to tapes

Page 54

Troubleshooting guide

Before requesting service, make the below checks. If you can’t fix the system as described below, or if something not listed here occurs, refer to the enclosed directory to locate an Authorized Service Center convenient to you or contact your dealer.

Reference pages are shown as black circled numbers 6.

Common Problems

No sound.	Turn the volume up.
	The speaker cords may be shorted. Turn the unit off, check and correct the connections and turn the
	unit on. 6

Sounds unfixed, reversed or come	Check the speaker connections. 6
from one speaker only.

Humming heard during play.	An AC mains lead or fluorescent light is near the cables. Keep other appliances and leads away
	from this unit’s cables.
	If possible in your area, turn the AC mains lead’s plug or connector over to reverse the plug’s
	polarity.

“ERROR” displayed.	Incorrect operation performed. Read the instructions and try again.

“– –:– –” appears on display.	You plugged the AC mains lead in for the first time or there was a power failure recently.
	Set the time. <

“U70” displayed.	Connect the flat cables firmly. If “U70” remains on the display, contact the dealer.

“F61” displayed.	There is a problem with the tuner/amplifier. Contact the dealer.

ECO mode on but display still	Turn DEMO off. <
lights up in standby mode.

“DTS NO AUDIO” displayed.	This unit is unable to decode DTS signals.

“DVD U11” displayed.	The disc is dirty. Wipe it with a soft cloth.

“DVD H ··” displayed.	A problem has occurred. Turn the unit off and unplug the AC mains lead. Wait a moment and then
(·· will be numbers.)	plug the lead in and turn on the unit again. If the unit is still not working correctly, consult your dealer.
Initial settings menu cannot be	Select DVD as the source. ]
accessed.	Cancel ALL DISC, program and random play. ? D E

Listening to the radio

		Noise heard.	Use an outdoor antenna. 7
		Stereo indicator flickers or doesn’t
		light.
		light.
		Sound distorted.

		A beat sound heard.	Turn the television off or separate it from the unit.
Reference
		A low hum heard during AM	Separate the antenna from other cables and leads.
		broadcasts.
		broadcasts.

		Correct AM frequency can’t tune	For the United Kingdom, Continental Europe, Russia, Australia and N.Z.
		in.	Change the frequency step. Hold [TUNER/BAND] down for 10 seconds to change the step to 9 kHz.
			For others
			Change to the correct frequency step. H

		Listening to tapes

		Poor quality sound.	Clean the heads. g
			Check the Dolby NR setting. J

		Recording not possible.	If the erasure prevention tabs have been removed, cover the holes with adhesive tape. T

RQT5471

Image 54

Contents DVD Stereo System Supplied accessories Dear customerSystem SC-DV170 Table of contents Before use How to replace the fuseBefore use EB area code model onlyLocating the components » Placement of center/surround Speakers and subwooferSet the voltage If irregular coloring occurs on your televisionBasic connections SUBWoofer Center R L Surround FM outdoor antenna AM outdoor antennaTelevision settings Press DVD to select DVD as the sourcePress Return to exit »B DVD/Video CD/CD changer Front panel controls»A Tuner/amplifier FPLAY/FREC»B Sound processor COUNTER, RESET, Display»A Cassette deck Front panel controls»B Batteries Remote control»A Controls »C Use»A Setting the time » Saving power in the standby C mode»B Turning Demo off Glossary Region numbersTypes of discs Type of disc for the type of connected TVNormal play Adjust the volumeDiscs Basic operationsBasic Press 1 DISC/ALL to select the desired Method while stoppedOperations DISC/ALL»C Still picture Pause »A Skip function»B Search function »D Slow-motion playPress the appropriate buttons during play »B Using menus to play» Changing soundtrack, subtitle Languages and angles Press TOP Menu or Menu»B Marking a position » Changing the picture quality for Movie viewingPress Cinema Press Marker during playRepeat function Press Repeat during playRepeat Press Press Play Mode to select Prgm on the tuner/amplifierProgram play While stoppedDOM on the tuner/amplifier Press Play Mode to select RAN»A Random play »B Starting play from a specific trackPress Display Using GUI screensCancel Press the cursor button 2 or 1 to select an itemUnit GUI descriptions Content OperationDisc GUI descriptions Shuttle GUI descriptionsRadio manual tuning Disp Mode PTYFM Auto Mono TUNER/BAND RDS Manual presetting Radio preset tuningAutomatic presetting Hold down SETPress REV Mode to select the re- verse mode Cassette tapesPress 6 or 5 while the tape is stopped Press 6 or 5 during playCassette tapes Changing sound field and quality Turn Multi JOG to select a setting»B Using the manual equalizer Use , !, #, $ to make the desired curveChange the sound quality with #, $ » Using the acoustic image equalizer 3D AI EQ»B Boosting the super woofer Press Digital S.WOOFERChanging sound field Features SoftwareEnjoying surround sound Amplifier modesCenter focus Seat positionAdditional effects Multi rear surroundPlay a DVD encoded with Dolby Digital To down-mix Dolby Digital 5.1ch signals to 2 chan NelsTo adjust the levels during play Enjoying surround soundPlay a Dolby Surround source Speaker level adjustments Remote control onlyPress ëPRO LOGIC, OFF/ON SoundPress Super Surround and select Movie or Music Adjust the seat position with Multi JOGSurround effects Press Super Surround and selectPress Multi Rear Surround Press Center FocusPress Virtual Rear Surround Press 3D Enhanced SurroundRecording operations Reset DisplayPress Counter Display CounterPreparatory steps Press Open on deck 2 and insert the cassetteBefore recording Deck 2 only »B One touch disc editing Recording discs»A Normal recording Press CD EditRecording the radio »B Tape-to-tape recordingEnjoying Karaoke Start the source Select the Karaoke modeAdjust the main volume and micro- phone volume Convenient functionsPress KEY CON Press Tuning Ý or ß to changePress Echo KeyPress CLOCK/TIMER, -DEMO to select Fplay Using the timersPlay timer Press ê/I to turn the unit offPrepare for recording Record timerPress CLOCK/TIMER, -DEMO to select Frec FunctionsUsing the timers together »A The play and record timers»B The sleep timer ÏPLAY/ÏREC CLOCK/TIMER DemoPress Shift r Setup Initial settingsChanging the initial settings DVDSummary of initial settings Initial settingsFunction Options ³Shaded items are the factory settings Remarks»A Entering a password »B Calculating delay timeReturn Software format Wide screen Language code listHow different kinds of software appear on your television Pan and scan Wide screen Letterbox Non-pan and scan RegularReduce the volume before connection »B Muting the volumePress Display Mode » Changing the sound range a display External unit connections Digital Woofer»B Recording an external source Using other equipment»A Listening to an external source Recording onto an external unitTechnical specifications ReferenceTroubleshooting guide Listening to the radioListening to tapes Maintenance Osaka 542-8588, Japan RQT5471-B