Technics SA-EH790E Bedienungsanleitung
ORDERNO.AD0303004C2
Tuner/Amplifier
SA-EH790E / SA-EH790EB / SA-EH790EG / SA-EH790EP
Colour
(S)...................Silver Type
System: SC-EH790
Because of unique interconnecting cables, when a
compact requires service, send or bring inthe entire
system.
SPECIFICATIONS
Specification
1
Amplifier section
Power output (L/R bothchannel driven)
StereoMode
DIN 1kHz THD 1%/6 (High) 2×25 W
100 Hz THD 1%/8 (Low) 2×45 W
RMS 1kHz THD 10%/6 (High) 2×35 W
100 Hz THD 10%/8 (Low) 2×65 W
PRO LOGIC mode
DIN FRONT
1kHz THD 1%/6 (High) 2×25 W
100 Hz THD 1%/8 (Low) 2×45 W
SURROUND 1kHz THD 1%/8 2×30 W
CENTER 1kHz THD 1%/8 60 W
RMS FRONT
1kHz THD 10%/6 (High) 2×35 W
100 Hz THD 10%/8 (Low) 2×65 W
SURROUND 1kHz THD 10%/8 2×40 W
CENTER 1kHz THD 10%/8 80 W
PMPO 1kHz/High 6 , Low8 ,
CENT. 8 , SURR. 8 3000 W
Total harmonic
distortion
Ratedpower at 1kHz 1%(6 )
Half power at 1kHz 0.1%(6 )
Loadimpedance
FRONT(High) 6
FRONT(Low) 8
SURROUND 8
CENTER 8
DIGITALS. WOOFER
Center frequency 60 Hz
LEVEL(VOL-20 db) MID +3db
MAX +6db
FM tuner section
Frequencyrange 87.50—108.00 MHz
(0.05 MHz steps)
Sensitivity 1.8V (IHFusable)
S/N 26 db 1.5V
S/N
MONO 70 db (75 db, IHF)
Antennaterminal(s) 75 (unbalanced)
AM tuner section
Frequencyrange 522—1629 kHz (9kHz steps)
520—1630 (10 kHz steps)
Sensitivity(S/N 20 db) 500 V/m
Timer section
Clock Quartz-lock type
Function Playtimer (1time, daily),
Rec timer (1time, daily)
2
Sleep(120 min, 30 min
intervals)
Setting intervals(Play/Rec) 1 minute—23 hours 59 minutes
(1minintervals)
General
Power supply
(For(E) ,(EG),(EP)areas) AC 230V 50Hz
(For(EB) area) AC 230—240V 50Hz
Power consumption 190 W
Standby 0.5W
Dimensions(W×H×D) 293×118.5×345 mm
Mass 5.2kg
Nots 1.Design and specificationsare subject to
changewithout notice.
2.Dimensionsand mass are approximate.
3.Total harmonicdistortion ismeasuredbythe
digital spectrumanalyzer.
System/SC-EH790
Sound processor: SH-EH790, CD changer: SL-
EH790, Tuner/ Amplifier: SA-EH790 , Cassette
Deck: RS-DV290, Speakers: Front*(SB-DV290),
Center* (SB-PC95),Surround*(SB-PS95)(*Made
inMAES.)
2003 Matsushita ElectricIndustrial Co., Ltd. All rights reserved.
Unauthorized copying and distribution isaviolation of law.
1. Before Repairs
1. Turn off the power supply. Using a10 , 10 Wresistor, connect
both ends of power supplycapacitors (C701, C703 and C702,
C704) inorder to discharge the voltage.
2. Before turning the power supplyon, after completion of repair,
slowlyapplythe primaryvoltage byusing apower supplyvoltage
controller to make sure that the consumed current at 50 HzinNO
SIGNALmode shouldbe shownbelow with respecttosupply
voltage 230/240 V.
3
Powersupply
voltage AC 230 V AC 240 V
Consumedcurrent
50 Hz 100 - 350 mA
2. Protection Circuitry
The protection circuitrymayhave operatedif eitherof the following conditions is noticed:
-Nosound isheard when the power isswitched ON.
-Sound stops during aperformance.
The functions of this circuitryis toprevent circuitrydamage if, forexample, the positive and
negative speakerconnection wires are shorted, orif speakersystems withanimpedance less
thanthe indicatedratedimpedance of this unit are used.
If this occurs, followthe procedures outlinedbelow.
1. Switch OFF the power.
2. Determine the cause of the problem and correct it.
3. Switch ONthe power once again.
Note:
Whenthe protection circuitryfunctions, the unit will not operate unless the poweris first
switchedOFF and thenON again.
3. Accessories
-AC mains lead for (E),(EG)and (EP) areas
(RJA0019-2X)....................1pc.
-AC mains lead for (EB)area
(RJA0053-3X)....................1pc.
4
-Remote control
(EUR7702270)....................1pc.
-Remote control batteries
(R6/LR6,”AA”,UM-3)....................1pc.
Note: These are available on sales route.
-FM indoor antenna
(RSA0007)....................1pc.
-AMloop antenna set
(RSA0022-L)....................1pc.
-Speaker leads
5
(REE1234-1)....................2pc.
(Red/Black)
(REE1233-1)....................2pc.
(Gray/Blue)
-Antenna plug adaptor for (EB)area
(SJP9009)....................1pc.
4. Caution for AC Mains Lead
6
5. Location of Controls
6. Operation Checks and Component Replacement /
Procedures
-Thissection describes procedures for checking the operation of
the major printed circuitboards and replacing the main
components.
-For reassemblyafter operation checks or replacement, reverse the
respective procedures. Special reassemblyprocedures are
7
described onlywhen required.
6.1. Checking for the AC INP.C.B.
-Check the AC INP.C.B. as shownbelow.
6.2. Checking for the operation P.C.B.
-Follow the (Step 1) -(Step 3) of item 6.1.
8
-Check the operation P.C.B. as shownbelow.
6.3. Checking for the mainP.C.B.
-Follow the (Step 1) -(Step 3) of item 6.1.
9
10
Dieses Handbuch passt für folgende Modelle
3
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