Technics SA-DV290EE Manuale utente

ORDERNO. AD0305100C8

Tuner/ Amplifier

SA-DV290EE / SA-DV290GN

Colour

(S).......................SilverType

System:SC-DV290

Because ofuniqueinterconnecting cables, whena

compact requires service, send orbring intheentire

system.

SPECIFICATIONS

Specification

Amplifiersection

Poweroutput(L/Rboth channel driven)

Stereo Mode

DIN 1kHzTHD 1%/6 (High) 2×25 W

100 HzTHD 1%/8 (Low) 2×45 W

RMS 1kHzTHD 10%/6 (High) 2×35 W

100 HzTHD 10%/8 (Low) 2×65 W

PROLOGICmode

DIN FRONT

1kHzTHD 1%/6 (High) 2×25 W

100 HzTHD 1%/8 (Low) 2×45 W

SURROUND 1kHzTHD 1%/8 2×30 W

CENTER1kHzTHD 1%/8 60 W

RMS FRONT

1kHzTHD 10%/6 (High) 2×35 W

100 HzTHD 10%/8 (Low) 2×65 W

SURROUND 1kHzTHD 10%/8 2×40 W

CENTER1kHzTHD 10%/8 80 W

PMPO1kHz/High 6 , Low8 ,

CENT. 8 , SURR. 8 3000 W

Total harmonicdistortion

Rated powerat1kHz 1%(6 )

Halfpowerat1kHz 0.1%(6 )

Load impedance

FRONT(High) 6

FRONT(Low) 8

SURROUND 8

CENTER 8

DIGITAL S. WOOFER

Centerfrequency 60 Hz

LEVEL (VOL -20 db) MID+3 db

MAX+6 db

FMtunersection

Frequencyrange 87.50—108.00 MHz

(0.05 MHzsteps)

Sensitivity 1.8V(IHF usable)

S/N26 db 1.5V

S/N

MONO 70 db (75 db, IHF)

Antennaterminal(s) 75 (unbalanced)

AMtunersection

Frequencyrange 522—1629 kHz(9kHzsteps)

520—1630 (10 kHzsteps)

Sensitivity(S/N20 db) 500 V/m

Timersection

Clock Quartz-lock type

Function Playtimer(1time, daily),

Function

Play

timer

(

time,

daily),

Rec timer(1time, daily)

Sleep (120 min, 30 min intervals)

Setting intervals(Play/Rec) 1 minute—23 hours59 minutes

(1min intervals)

General

Powersupply

(For(GN)area) AC230—240V50Hz

(For(EE) area) AC230V50Hz

Powerconsumption 230 W

Standby 0.5W

Dimensions(W×H×D) 293×118.5×345 mm

Mass 5.3kg

Nots 1.Design and specificationsaresubjectto

changewithoutnotice.

2.Dimensionsand weightareapproximate.

3.Total harmonicdistortion ismeasured bythe

digital spectrumanalyzer.

System/SC-DV290

Sound processor:SH-DV290, DVD/ Video CD/ CD

changer:SL-DV290, Tuner/ Amplifier:SA-DV290 ,

CassetteDeck:RS-DV290, Speakers:Front*(SB-

DV290),Center* (SB-PC95),Surround*(SB-PS95)

(*Madein MESA.)

1. Accessories

-ACmainsleadfor(EE)areas

(RJA0019-2X)....................1pc.

-ACmainsleadfor(GN)area

(RJA0035-2X)....................1pc.

-Remote control for(EE)area

(EUR7702290)....................1pc.

-Remote control for(GN)area

(EUR7702300)....................1pc.

-Remote control batteries

(R6/LR6,”AA”,UM-3)....................1pc.

Note:These areavailableon sales route.

-FMindoorantennafor(EE)area

(N1EAYY000002)....................1pc.

-FMindoorantennafor(GN)area

(N1EAYY000001)....................1pc.

-AMloop antennaset

(N1DAEYA00008)....................1pc.

-Speakerleads

(REE1234-1)....................2pc.

(Red/Black)

(REE1233-1)....................2pc.

(Gray/Blue)

-Videocord

(K2JA2A000018)....................1pc.

-RCAJadaptorfor(EE)area

(K1JZ24D00002)....................1pc.

2. BeforeRepairand Adjustment

1. Turnoff thepowersupply. Using a10 , 10Wresistor, connect

bothendsofpowersupplycapacitors(C701-704) inorderto

dischargethevoltage.

2. Beforeturning thepowersupplyon, aftercompletion ofrepair,

slowlyapplytheprimaryvoltagebyusing apowersupplyvoltage

controllertomake surethat theconsumedcurrentat 50 HzinNO

SIGNALmodeshouldbeshownbelow withrespectto

supplyvoltage230 V/240 V.

Areas (EE) (GN)

Powersupplyvoltage AC230V AC230-240V

Consumedcurrent 50 Hz 130-380 mA 50 Hz 130-380 mA

3. About the Protection Circuitry

Theprotection circuitrymay have operatedifeitherofthefollowing conditionsisnoticed:

*Nosound isheard whenthepowerissupplied.

*Sound stopsduring aperformance.

Thefunctionsofthiscircuitryistopreventcircuitrydamage, for example, thepositive and

negative speakerconnection wires are“shorted”, or ifspeakersystemswithanimpedandeless

thantheindicatedratedimpedance ofthisunitareused.

Ifthisoccurs, followtheprocedureoutlinedbelow:

1. Press theSTANDBY /ONbutton, switchtoSTANDBYmode.

2. Determinethecause oftheproblemand correct it.

3. Press theSTANDBY /ONbutton once again, supplythepower.

Note:

Whentheprotection circuitryfunctions, theunitwill notoperateunless theSTANDBY /ON

button isfirstswitchedSTANDBYand thenONagain.

4. Operating Instructions

5. Operation Checks and Component Replacement

Procedures

-Thissection describes procedures forchecking theoperation of

themajorprintedcircuitboardsand replacing themain

components.

-Forreassemblyafteroperation checks orreplacement, reverse the

respectiveprocedures. Special reassemblyprocedures are

describedonlywhenrequired.

5.1. Checking fortheACINP.C.B.

-Check theACINP.C.B. as shownbelow.

5.2. Checking fortheoperation P.C.B.

-Follow the(Step1) -(Step3) ofitem5.1.

-Check theoperation P.C.B. as shownbelow.

5.3. Checking forthemainP.C.B.

-Follow the(Step1) -(Step3) ofitem5.1.

-Check themainP.C.B. as shownbelow.

5.4. Replacementfortheregulatortransistor

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