Panasonic SA-XR15E Manuale utente

ORDERNO. MD0305192C2

AVControl Receiver

SA-XR15E / SA-XR15EB / SA-XR15EG

Colour

(S).......................Silver Type

(K).......................Black Type

SPECIFICATIONS

Specification

AMPLIFIER SECTION

Power output (at AC 230-240V)

DIN 1kHz (T.H.D. 1%) 2x40 W(6)

20 Hz-20 kHz continuouspower

output bothchannelsdriven 2x35 W(6)

Total harmonicdistortion

ratedpower at 20 Hz-20 kHz 0.9%(6)

Power output eachchannel driven

DIN 1kHz (T.H.D. 1%)

Front (L/R) 40 W(6)

Center 40 W(6)

Surround (L/R) 40 W(6)

10 %total harmonicdistortion at 1

kHz

Front (L/R) 50 W(6)

Center 50 W(6)

Surround (L/R) 50 W(6)

Loadimpedance

Front (L/R) 6-16

Center 6-16

Surround (L/R) 6-16

Frequencyresponse

DVD, TV, VCR, AUX 10 Hz-44 kHz, ±3 dB

Input sensitivityand impedance

DVD, TV, VCR, AUX 200 mV / 22 k

S/N at ratedpower (6 )

DVD, TV (Digital Input) 90 dB (IHF, A:96 dB)

Tonecontrols

BASS 50 Hz, +10 to-10 dB

TREBLE 20 kHz, +10 to-10 dB

Output voltage

VCR 200 mV

Channel balance (250 Hz-6.3kHz) ±1 dB

Channel separation 55 dB

Subwoofer frequencyresponse (-6dB) 7-200 Hz

Digital input

Optical 2

Coaxial 1

FM TUNER SECTION

Frequencyrange 87.50-108.00 MHz

Sensitivity

S/N 30 dB 1.5V / 75

S/N 26 dB 1.3V / 75

S/N 20 dB 1.2V / 75

IHFusablesensitivity(IHF’58) 1.5V / 75

IHF46 dB stereoquieting sensitivity 22 V / 75

Total harmonicdistortion

MONO 0.2%

STEREO 0.3%

S/N

MONO 60 dB

STEREO 58 dB

Frequencyresponse

20 Hz-15kHz +1dB, -2dB

Alternatechannel selectivity

±400 kHz 65 dB

Capture ratio 1.5dB

Imagerejection at 98 MHz 40 dB

IFrejection at 98 MHz 70 dB

Spuriousresponse rejection at 98 MHz 70 dB

AM suppression 50 dB

Stereoseparation

1kHz 40 dB

Carrier leak

19 kHz -30 dB

38 kHz -50 dB

Channel balance (250 Hz-6.3kHz) ±1.5dB

Limiting point 1.2V

Bandwidth

IFamplifier 180 kHz

FM demodulator 1000 kHz

Antennaterminal 75 (unbalanced)

AM TUNER SECTION

Frequencyrange 522-1611 kHz / (9kHz

steps)

530-1620 kHz / (10

kHz steps)

Sensitivity 20 V, 330 V/m

Selectivity(at 999 kHz) 55 dB

IFrejection (at 999 kHz) 50 dB

VIDEO SECTION

Output voltageat 1V input (unbalanced) 1±0.1Vp-p

Maximuminput voltage 1.5Vp-p

Input/output impedance 75

GENERAL

Power supply

ForE, EG AC 230 V, 50 Hz

ForEB AC 230-240 V, 50 Hz

Power consumption 65 W

Dimensions(W× H × D) 430 × 52 × 375 mm

Mass 3.5kg

Power consumption instandbymode: 2 W

Notes:

1.Specificationsare subject tochangewithout notice.

Mass and dimensionsare approximate.

2.Total harmonicdistortion ismeasuredbythedigital

spectrum/ analyzer.

2003 PANASONICAVCNetworks Singapore Pte. Ltd. All rights

reserved. Unauthorized copying and distribution isaviolation of

law.

1. SAFETY PRECAUTIONS

1.1. GENERALGUIDELINES

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.

1.1.1. LEAKAGE CURRENTCOLD CHECK

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 5.2 . / When the

exposed metal does not have areturn path to the chassis, the

reading must be . Fig. 1

1.1.2. LEAKAGE CURRENTHOTCHECK (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

capacitors, 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 isoutside of the limits specified,

there isapossibilityof ashock hazard, and the equipment should

be repaired and rechecked before itisreturned to the customer.

2. Handling the Lead Solder

2.1. 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 that standard solder;

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

use ahigh temperature soldering iron. Incase of the 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.

3. Before Repair and Adjustment

Disconnect AC power, discharge PowerSupplyCapacitors (C523, C524, C707, C717, C718)

through a 10 , 10 W resistortoground.

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

destroysolidstate devices.

Afterrepairs are completed, restore powergraduallyusing a variac, toavoidovercurrent.

ForEB Current consumption at AC 230V-240V, 50Hz inNO SIGNALmode shouldbe 250~600

mA .

ForE, EG Current consumption at AC 230V, 50Hz inNO SIGNALmode shouldbe 250~600 mA .

4. About the Protection Circuitry

The protection circuitrymayhave operatedif eitherof the following conditions is noticed:

*Nosound is heardwhenthe poweris supplied.

*Sound stops during a performance.

The functions of this circuitryis toprevent circuitrydamage, forexample, the positive and

negative speakerconnection wires are “shorted”, orif speakersystems withanimpedance less

thanthe indicatedratedimpedance of this unit are used.

If this occurs, followthe procedure outlinedbelow:

1. Press the STANDBY /ONbutton, switch to STANDBYmode.

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

3. Press the STANDBY /ONbutton once again, supplythe power.

Note:

Whenthe protection circuitryfunctions, the unit will not operate unless the STANDBY /ON

button is first switchedSTANDBY and thenON again.

5. Accessories AC powersupplycord/ .....1 pc (EB)

AC powersupplycord/ .....1 pc (E, EG)

FM indoorantenna / .....1 pc

AM loop antenna / .....1 pc

Antenna plug adapter / .....1 pcs (EG)

Remote control / .....1 pc

6. Caution for AC Mains Lead

7. Operation Procedures

8. Disassembly and Main Component Replacement

Procedures and Operational Check

“ATTENTION SERVICER”

Some chassis components mayhave sharpedges.

Be careful whendisassembling and servicing.

-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

described onlywhen required.

Contents

-Checking for the MainPCB and DSP PCB

-Checking for the Input output PCB

-Checking for the Power SupplyPCB

8.1. Checking for the MainP.C.B. and DSP P.C.B.

Steps 1 and 2 : Remove all the screws.

Step3 : Remove the top cover.

Step4 : Remove the LeadCramper.

Step5 : Remove the screws.

Step6 : Release the claws of P.C.B. support and remove the DSP P.C.B.

-Check the DSP P.C.B. (Side B)as shownbelow.

Step7 : Remove the screwand DecorderAngle forchecking Digital AMP P.C.B.

8.2. Checking for the Input P.C.B

*Repeat step1 tostep4 for8.1.

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