Panasonic SA-VK72DGCS User manual

ORDERNO. MD0506272C3

DVDStereo System

SA-VK72DGCS / SA-VK72DGS

Colour

(S)... Silver Type

SPECIFICATIONS

Specifications

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AMPLIFIER SECTION

RMS Output Power: DolbyDigital Mode

Main

70 Wper channel (6), 1kHz, 10%THD

Surround Ch

55 Wper channel (6), 1kHz, 10%THD

Center Ch

70 Wper channel (6), 1kHz, 10%THD

Total RMS DolbyDigital modepower

320 W

PMPO output power 4000 W

FM/AM TUNER, TERMINALS SECTION

Preset station FM 15 stations

AM 15 stations

FrequencyModulation (FM)

Frequencyrange 87.50 - 108.00 MHz (50 kHz step)

Sensitivity 2.5V (IHF)

S/N 26dB 2.2V

Antennaterminals 75 (unbalanced)

AmplitudeModulation (AM)

Frequencyrange 522 - 1629 kHz (9kHz step)

520 - 1630 kHz (10 kHz step)

AM SensitivityS/N 20dB at 999 kHz

560 V/m

Audioperformance (Amplifier)

Input sensitivity/Input

impedance

Aux 250 mV, 20 k

Phonejack

Terminal Stereo, 3.5mm jack

Micjack

Sensitivity 0.7mV, 600

Terminal Mono, 6.3mm jack (2system)

CASSETTE DECK SECTION

Type Auto-Reverse

Track system 4-Track, 2Channel

HeadRecord/Playback Solidpermalloyhead

Erasure Doublegapferritehead

Motor DC servomotor

Recording System AC Bias 100 kHz

Erasing System AC Erase 100 kHz

TapeSpeed 4.8cm/s

Overall frequencyresponse (+3, -6dB) at DECK OUT

Normal 35 Hz - 14 kHz

S/N Ratio 50 dB (Aweighted)

Wowand Flutter 0.18 %(WRMS)

Fast Forwardand Rewind Time Approx. 120 secondswith

C-60 cassettetape

DISC SECTION

Disc played[8cm or12 cm]

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(1) DVD (DVD-Video, DVD-Audio)

(2) DVD-RAM (DVD-VR, JPEG*4,*5)

(3) DVD-R (DVD-Video)

(4) DVD-RW(DVD-Video)

+ R/RW(Video)

(5) CD,CD-R/RW[CD-DA, VideoCD, SVCD*1, MP3*2,*5, WMA*3,

*5, JPEG*4,*5, HighMATLevel 2(Audioand Image)]

*1Conforming toIEC62107

*2MPEG-1Layer 3, MPEG-2Layer 3

*3WindowsMediaAudioVer.9.0. Class 2A

Not compatiblewithMultipleBit Rate(MBR)

*4Exif Ver 2.1JPEG Baselinefiles

Picture resolution: between160 x120 and 6144 x4096 pixels

(Sub sampling is4:2:2or4:2:0)

*5Thetotal combinedmaximumnumber of recognizableaudio

and picture contentsand groups: 4000 audioand picture

contentsand 400 groups.

Pick up

Wavelength

CD 785 nm

DVD 662 nm

Audiooutput (Disc)

Number of channels 5.1ch(FL,FR,C,SL,SR,SW)

Audioperformance (measurement at: Lineout terminal)

Frequencyresponse

CD-Audio 4Hz to20 kHz (+1dB,-2dB)

VIDEO SECTION

Videosystem

Signal system PAL625/50, PAL525/60, NTSC

Compositevideooutput

Output level 1 Vp-p(75 )

Terminal Pinjack (1system)

S-videooutput

Y output level 1 Vp-p(75 )

C output level 0.3Vp-p(75 ) (PAL)

0.286 Vp-p(75 ) (NTSC)

Terminal S terminal (1system)

Component videooutput

[NTSC: 525 (480)p/525 (480)i, PAL: 625 (576)p/625 (576)i]

Y output level 1 Vp-p(75 )

PBoutput level 0.7Vp-p(75 )

PRoutput level 0.7Vp-p(75 )

Terminal

Pinjack (Y: green, PB: blue, PR: red) (1system)

GENERAL

Power supply

AC 110 to127V/220 to240 V, 50/60Hz

Power consumption 300 W

Power consumption instandbymode:

0.8W(approximate)

Dimensions(WxH xD) 250 x330 x348 mm

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Mass 8.8kg

Operating temperature range +5°C to+35°C

Operating humidityrange 5%to90%RH (no

condensation)

SYSTEM

SC-VK72D (GCS) MusicSystem: SA-VK72D (GCS)

Front Speakers: SB-VK72 (GC)

SateliteSpeakers: SB-PT72 (GC)

SC-VK72D (GS) MusicSystem: SA-VK72D (GS)

Front Speakers: SB-VK72 (GC)

SateliteSpeakers: SB-PT72 (GC)

Notes:

1. Specificationsaresubject to changewithoutnotice. Mass and

dimensionsareapproximate.

2. Total harmonicdistortion ismeasured bythedigital spectrum analyzer.

Unauthorized copying and distribution isaviolation of law.

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1. Safety precautions for AC Cord (For GS only)

2. Before Use (Caution)

Be sure todisconnect the AC cordbefore adjusting the voltage selector.

Use a minus(-) screwdrivertoset the voltage selector(on the rearpanel) tothe voltage setting

forthe area inwhichthe unit will be used. (If the powersupplyinyourarea is 110-127V or220-

240V.)

Note that this unit will be seriouslydamagedif this setting is not made correctly. (There is no

voltage selectorforsome countries, the correct voltage is alreadyset.)

3. Before Repair and Adjustment

Disconnect AC power, discharge PowerSupplyCapacitors C5815, C5818, C9513, C9533, C9534,

C9816 and C9817 through a 10 , 5W resistortoground.

DO NOTSHORT-CIRCUITDIRECTLY (witha screwdriverblade, forinstance), as this may

destroysolidstate devices.

Afterrepairs are completed, restore powergraduallyusing a variac, toavoidovercurrent.

Current consumption at AC 100/110V at 50/60 Hz & AC 240V at 50Hz inNO SIGNAL(vol. min, at

CD mode) shouldbe ~500mA .

4. Protection Circuitry

The protection circuitrymayhave operatedif eitherof the following conditions are noticed:

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-Nosound isheard when the power isturned on.

-Sound stops during aperformance.

The function of this circuitryis toprevent circuitrydamage if, forexample, the positive and

negative speakerconnection wires are

“shorted”, orif speakersystems withanimpedance less thanthe indicatedratedimpedance of

the amplifierare used.

If this occurs, followthe procedure outlines below:

1. Turn off the power.

2. Determine the cause of the problem and correct it.

3. Turn on the power once againafter one minute.

Note :

Whenthe protection circuitryfunctions, the unit will not operate unless the poweris first turned

off and thenon again.

5. Safety Precautions

5.1. General Guidelines

1. When servicing, observe the original lead dress. Ifashort circuit

isfound, replace all parts which have been overheated or

damaged bythe short circuit.

2. After servicing, see to itthat all the protective devices such as

insulation barriers, insulation papers shields are properly

installed.

3. After servicing, make the following leakage current checks to

prevent the customer from being exposed to shock hazards.

5.1.1. Leakage Current ColdCheck

1. Unplug the AC cord and connect ajumper between the two

prongs on the plug.

2. Measure the resistance value, with an ohmmeter, between the

jumpered AC plug and each exposed metalliccabinet part on the

equipment such as screwheads, connectors, control shafts, etc.

When the exposed metallicpart has areturn path to the chassis,

the reading shouldbe between 1M and 5.2M .

When the exposed metal does not have areturn path to the

chassis, the reading must be .

Figure 1

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5.1.2. Leakage Current Hot Check / (See Figure1)

1. Plug the AC cord directlyinto the AC outlet. Donot use an

isolation transformer for thischeck.

2. Connect a1.5k , 10 watts resistor, inparallel with a0.15 F

capacitor, between each exposed metallicpart on the set and a

good earth ground such as awater pipe, as showninFigure 1.

3. Use an AC voltmeter, with 1000 ohms/voltor more sensitivity, to

measure the potential across the resistor.

4. Check each exposed metallicpart, and measure the voltage at

each point.

5. Reverse the AC plug inthe AC outlet and repeat each of the above

measurements.

6. The potential at anypoint shouldnot exceed 0.75 volts RMS. A

leakage current tester (Simpson Model 229 or equivalent) maybe

used to make the hot checks, leakage current must not exceed 1/2

milliamp. Incase ameasurement isout of the limits specified,

there isapossibilityof ashock hazard, and the equipment should

be repaired and rechecked before itisreturned to the customer.

6. Prevention of Electro Static Discharge (ESD) to

Electrostatically Sensitive (ES) Devices

Some semiconductor(solidstate) devices canbe damagedeasilybyelectricity. Such

components commonlyare calledElectrostaticallySensitive (ES) Devices. Examples of typical

ES devices are integratedcircuits and some field-effect transistors and semiconductor“chip”

components. The following techniques shouldbe usedtohelpreduce the incidence of

component damage causedbyelectrostatic discharge (ESD).

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1. Immediatelybefore handling anysemiconductor component or

semiconductor-equipped assembly, drainoff anyESDon your

bodybytouching aknownearth ground. Alternatively, obtainand

wear acommerciallyavailabledischarging ESDwrist strap, which

shouldbe removed for potential shock reasons prior to applying

power to the unitunder test.

2. After removing an electrical assemblyequipped with ES devices,

place the assemblyon aconductive surface such as aluminium

foil, to prevent electrostaticcharge buildup or exposure of the

assembly.

3. Use onlyagrounded-tipsoldering iron to solder or unsolder ES

devices.

4. Use onlyan anti-staticsolder remover device. Some solder

removal devices not classified as “anti-static(ESDprotected)”

can generate electrical charge to damage ES devices.

5. Donot use freon-propelled chemicals. These can generate

electrical charges sufficient to damage ES devices.

6. Donot remove areplacement ES device from its protective

package until immediatelybefore you are readyto install it. (Most

replacement ES devices are packaged with leads electrically

shorted together byconductive foam, aluminium foil or

comparableconductive material).

7. Immediatelybefore removing the protective material from the

leads of areplacement ES device, touch the protective material to

the chassisor circuitassemblyinto which the device will be

installed.

Caution

Besure no power isapplied to the chassisor circuit, and observe

all other safetyprecautions.

8. Minimize bodymotions when handling unpackaged replacement

ES devices. (Otherwise harmless motion such as the brushing

together of your clothes fabricor the lifting of your foot from a

carpeted floor can generate staticelectricity(ESD)sufficient to

damage an ES device).

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7. Handling the Lead-free Solder

7.1. About lead free solder (PbF)

Distinction of PbF P.C.B.:

P.C.B.s (manufactured) using leadfree solderwill have a PbF stampon the P.C.B.

Caution:

-Pb free solder has ahigher melting point than standard solder;

Typicallythe melting point is50 -70°F (30 -40°C)higher. Please

use ahigh temperature soldering iron. Incase of soldering iron

with temperature control, please set itto 700 ± 20°F (370 ± 10°C).

-Pb free solder will tend to splash when heated too high (about

1100°F/600°C).

-When soldering or unsoldering, please completelyremove all of

the solder on the pins or solder area, and be sure to heat the

soldering points with the Pb free solder until itmelts enough.

8. Precaution of Laser Diode

Caution :

Thisproduct utilizes alaser diode with the unitturned "ON",

invisiblelaser radiation isemitted from the pick up lens. /

Wavelength :785 nm(CD)/662 nm(DVD)/ Maximum output radiation

power from pick up :100 W/VDE

Laser radiation from pick up unitissafetylevel, but be sure the

followings:

1. Donot disassemblethe optical pick up unit, since radiation from

exposed laser diode isdangerous.

2. Donot adjust the variableresistor on the pick up unit. Itwas

alreadyadjusted.

3. Donot look at the focus lens using optical instruments.

4. Recommend not to look at pick up lens for along time.

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CAUTION!

THIS PRODUCTUTILIZES A LASER.

USE OFCONTROLS OR ADJUSTMENTS OR PERFORMANCE OFPROCEDURES OTHER THAN

THOSE

SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.

Use of Caution Labels

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