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

Models: SC-DV170

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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

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

Contents

RQT5471-B Model No. SC-DV170EB EG GN GC EE DVD Stereo SystemSystem Supplied accessoriesDear customer SC-DV170Table of contents Safety precautionsDisc symbols used in these operating instructions Before use How to replace the fuseCaution for AC Mains Lead For United KingdomBSide-by-side set-up/C Stacking InstallationIf irregular coloring occurs on your television Use only the supplied speakersBasic connections 2 FM antenna Optional antenna connections1 Flat cables 3 AM loop antenna4 Press 3 or 4 to highlight “5 TV Television settings2 Press DVD to select “DVD” as the source Aspect”, and press ENTER> ? @ A B C D Front panel controls1 2 345 678 9: ; < = E FGHde f g h ij S T U V WX Y Z \^_ Before use»B Batteries The remote control»A Controls »C Use2 1 Press CLOCK/TIMER, –DEMOto display “CLOCK” »A Setting the time»Saving power in the standby C mode Press SET 3 1 Press TUNING X or W to set the timeB Types of discs 2 124 ALLA Region numbers GlossaryDiscs 4 Adjust the volumeBirds 2 Press < OPEN/CLOSE to close the traymethod while stopped B C aPress 1 DISC/ALL to select the desired What is meant by “final disc”?Press ; during play Press SKIP : or 9 during playPress SLOW/SEARCH 6 or 5 during play Press SLOW/SEARCH 6 or1 Press TOP MENU or MENU 1 1 2Press the appropriate buttons during play Remote control only2 Press ENTER at the point you want to mark Press CINEMA1 Press MARKER during play 2Press ENTER to recall the positionTo cancel repeat play Press REPEAT during play2 Press A-BREPEAT at the finishing point B To cancel A-Brepeat playCANCEL SHIFT 3 Select the track with the numbered buttons4 Press Remote control onlyDOM” on the tuner/amplifier Press PLAY MODE to select “RANPress Remote control only PreparationPage Content ContentContent OperationAuto tuning The radio: manual tuning4 Adjust the volume AM allocation settings3 Adjust the volume The radio: preset tuning3 Press TUNING X or W to select a Hold down SET2 Press DOLBY NR to select Dolby NR 5 Adjust the volumeCassette tapes 3 Press REV MODE to select the re- verse modeCassette tapes Press 6 or 5 while the tape is stoppedPress 6 or 5 during play Basic1 Turn MULTI JOG to select “M.EQ” Turn MULTI JOG to select a settingChanging sound field and quality 2 Press 3D AI EQ/M.EQ BAND to se- lect the band3 Change the sound quality with #, $ »B Boosting the super woofer1 Turn MULTI JOG to select “AI-EQ” Press DIGITAL S.WOOFERquality Enjoying surround soundFeatures Surround system DOLBY DIGITALBCenter focus A Seat positionAdditional effects DMulti rear surroundRemote control only Play a DVD encoded with Dolby DigitalBTo down-mixDolby Digital 5.1ch signals to 2 chan To adjust the levels during playTo cancel 1 Press ëPRO LOGIC, OFF/ON2 Play a Dolby Surround source Speaker level adjustmentsPress SUPER SURROUND and select Adjust the seat position with MULTI JOGSurround effects “SIMULATED STEREO”Press MULTI REAR SURROUND Press CENTER FOCUSPress VIRTUAL REAR SURROUND Press 3D ENHANCED SURROUNDRESET DISPLAY Before recording Deck 2 onlyPress COUNTER DISPLAY To reset the tape counter3 Press REV MODE to select the re- verse mode 1 Press < OPEN on deck 2 and insert the cassette2 Press DOLBY NR to select Dolby NR Before recording Deck 2 only2 Press ´ REC PAUSE 3 Press ! on the changer Recording discsthen º to set the tape direction Press CD EDIT2 Press ´ REC PAUSE A Recording the radio»B Tape-to-taperecording start recording1 Start the source 2 Select the Karaoke mode 3 Adjust the main volume and micro- phone volumeEnjoying KARAOKE On the remote controlPress KEY CON Press TUNING Ý or ß to changePress ECHO the key1Press TUNING X or W to select Using the timers1 1 Press CLOCK/TIMER, –DEMOto select “ FPLAY.” the appropriate setting and 2press SET to confirm2press SET to confirm 1 1 Press CLOCK/TIMER, –DEMOto select “ FREC”6 1 2–4 5 Prepare for recordingÏPLAY/ÏREC CLOCK/TIMER —DEMO Press SLEEP to select the time minutesUsing the timers Checking the timersInitial settings Press SHIFT r SETUPOther Settings Initial settingsSpeaker Setting Convenient functionsRemarks Convenient functionsCenter speaker delay time Initial settingsTo change the level setting or the password Surround speaker delay timeSoftware format Language code listConvenient functions a Wide screenReduce the volume before connection »B Muting the volume»Using headphones C not included »Changing the sound range A displayA Television with S-VIDEOterminal External unit connectionsConvenient functions B Laser Disc player without 5.1ch output, etc2 Operate the unit Using other equipment1 4 2 2 Select Dolby NR and reverse modeSOUND PROCESSOR Technical specificationsReference TUNER/AMPLIFIERListening to the radio Troubleshooting guideCommon Problems Listening to tapesFor a cleaner crisper sound MaintenanceRemote control Enjoying discsMatsushita Electric Industrial Co., Ltd Osaka 542-8588,JapanRQT5471-B