Panasonic SA-XR57E Manuel utilisateur

nAMPLIFIER SECTION

Power output (at AC 230-240 V)

DIN 1 kHz (T.H.D. 1 %) 2 x 100 W (6 Ω)

20 Hz-20 kHz continuous power

output both channel driven

2x80W(6Ω)

Total harmonic distortion

rated power at 20 Hz-20 kHz 0.09 % (6 Ω)

Power bandwidth

both channels driven, -3 dB 4 Hz-88 kHz

(6 Ω,0.9%)

Power output each channel driven (at AC 230-240V)

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

Front (L/R) 100 W (6 Ω)

Center 100 W (6 Ω)

Surround (L/R) 100 W (6 Ω)

Surround Back (L/R) 100 W (6 Ω)

Load impedance

Front (L/R)

AorB 6to16Ω

A and B 6to16Ω

BI-WIRE 6to16Ω

Center 6to16Ω

Surround (L/R) 6to16Ω

Surround Back (L/R) 6to16Ω

Frequency response

CD, DVD, DVD RECORDER, VCR,

TV/STB, AUX

4Hzto88kHz,±3dB

rights reserved. Unauthorized copying and

distribution is a violation of law.

SA-XR57E

SA-XR57EB

SA-XR57EG

Colour

(S)... Silver Type

DVD 6CH 4Hzto44kHz,±3dB

Input sensitivity and impedance

CD, DVD/DVD 6CH, DVD RECORDER,

VCR, TV/STB, AUX

200 mV / 22 kΩ

S/N at rated power (6 Ω

ΩΩ

Ω)

CD, TV/STB, DVD, DVD RECORDER

(Digital Input)

90 dB

(IHF, A: 103 dB)

Tone controls

BASS 50 Hz, +10 to -10 dB

TREBLE 20kHz,+10to-10dB

Channel balance (250 Hz-6.3 kHz) ±1 dB

Channel separation 55 dB

Subwoofer frequency response (-6 dB) 7 Hz to 200 Hz

Digital input

(Optical) 2

(Coaxial) 2

HDMI (version 1.2a)

(Input) 1

(Output) 1

nFM TUNER SECTION

Frequency range 87.50 to 108.00 MHz

Sensitivity

S/N 30 dB 1.5 µV / 75Ω

S/N 26 dB 1.3 µV / 75Ω

S/N 20 dB 1.2 µV / 75Ω

IHF usable sensitivity (IHF ,58) 1.5 µV / 75Ω

AV Control Receiver

Specification

ORDER NO. MD0603092C2

IHF 46 dB stereo quieting sensitivity 22 µV / 75Ω

Total harmonic distortion

MONO 0.2%

STEREO 0.3%

S/N

MONO 60 dB

STEREO 58 dB

Frequency response 20 Hz to 15 kHz,

+1 dB, -2 dB

Alternate channel selectivity ±400 kHz, 65 dB

Capture ratio 1.5 dB

Image rejection at 98 MHz 40 dB

IF rejection at 98 MHz 70 dB

Spurious respone rejection at 98 MHz 70 dB

AM suppression 50 dB

Stereo separation 40 dB

Carrier leak 19 kHz, -30 dB

38 kHz, -50 dB

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

Limiting point 1.2 µV

Bandwidth

IF amplifier 180 kHz

FM demodulator 1000 kHz

Antenna terminal 75 Ω(unbalanced)

nAM TUNER SECTION

Frequency range 522 to 1611 kHz

(9 kHz steps)

530 to 1620 kHz

(10 kHz steps)

Sensitivity 20 µV, 330 µV/m

Selectivity (at 999 kHz) 55 dB

1 Safety Precautions 4

1.1. GENERAL GUIDELINES 4

1.2. Caution for AC Cord 5

1.3. Before Repair and Adjustment 6

1.4. Protection Circuitry 6

2 Prevention of Electro Static Discharge (ESD) to

Electrostatically Sensitive (ES) Devices 7

3 Handling the Lead-free Solder 8

3.1. About lead free solder (PbF) 8

4 Accessories 9

5 Operating Instructions Procedures 10

5.1. Remote Control Operation 10

5.2. Main Unit Operation 10

IF rejection (at 999 kHz) 50 dB

nVIDEO SECTION

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

Maximum input voltage 1.5 Vp-p

Input/output impedance 75 Ω(unbalanced)

S-Video

Input DVD, DVD Recorder,

TV/STB

Output TV MONITOR

Component Video

Input DVD Recorder,

TV/STB

Output TV MONITOR

nGENERAL

Power supply AC 230 to 240 V, 50

Power consumption 140 W

Dimensions (W × H × D) 430 mm × 107.5 mm ×

390 mm

Mass 4.7 kg

Power consumption in standby mode: 0.9 W

Power consumption in HDMI off mode: 0.35 W

Notes:

1. Specifications are subject to change without notice.

Mass and dimensions are approximate.

2. Total harmonic distortion is measured by the digital spectrum

analyzer.

5.3. Home Theater connections 11

5.4. Connecting other equipment 19

6 Self Diagnosis Display Function 20

6.1. Automatically Displayed Error Codes 20

6.2. Display Details 20

6.3. Returning to Normal Display 20

6.4. Overload/Shutdown Detection intenal Condition 20

6.5. Overload/Thermal Detection Display 20

6.6. Activating Self Diagnosis Function (Servicing Mode) 20

6.7. Analog 6.1 CH Output Check Method 21

6.8. Returning to Normal Display 21

6.9. Activating Self Diagnosis Function (Doctor Mode) 21

7 HDMI Checking Method 23

CONTENTS

Page Page

SA-XR57E / SA-XR57EB / SA-XR57EG

7.1. What is HDMI? 24

7.2. Advanced Digital Pictures 25

7.3. Advanced Digital Sound 25

7.4. Easy to Use 25

7.5. HDMI Compatible Products 26

7.6. Main features and benefits 26

7.7. Other features and benefits 26

8 Assembling and Disassembling 28

8.1. Caution 28

8.2. Disassembly flow chart 29

8.3. Main Parts Location Diagram 30

8.4. Disassembly of Top Cabinet 31

8.5. Disassembly and Checking the DSP P.C.B. (Side A/B)

and Main P.C.B. (Side A) 31

8.6. Disassembly of Tuner Pack and Tuner Extent P.C.B. 32

8.7. Disassembly and Checking of Speaker P.C.B. 33

8.8. Disassembly and Checking of HDMI P.C.B. (Side A/B)

8.9. Disassembly Support Bar 35

8.10. Disassembly and Checking of Video & Optical P.C.B. 35

8.11. Disassembly of Rear Panel 36

8.12. Disassembly and Checking of Input P.C.B. 37

8.13. Disassembly and Checking of Main P.C.B. (Side B) 37

8.14. Disassembly and Checking of Power P.C.B. 38

8.15. Disassembly of Front Panel 39

8.16. Disassembly and Checking of Panel P.C.B., Volume

P.C.B. and Headphone P.C.B. 40

8.17. Insert wire & Wire dressing 41

9 Voltage Measurement & Waveform Chart 42

9.1. Voltage Measurement 42

9.2. Waveform Chart 57

10 Wiring Connection Diagram 59

11 Block Diagram 61

12 Notes of Schematic Diagram 69

13 Schematic Diagram 71

13.1. DSP CIRCUIT 71

13.2. MAIN (DIG1) CIRCUIT 74

13.3. MAIN (DIG2) CIRCUIT 78

13.4. MAIN (DIG3) CIRCUIT 82

13.5. INPUT CIRCUIT and TUNER EXTENT CIRCUIT 84

13.6. PANEL CIRCUIT 86

13.7. SPEAKER CIRCUIT 87

13.8. HEADPHONE CIRCUIT, VOLUME CIRCUIT and POWER

CIRCUIT 88

13.9. HDMI CIRCUIT 91

13.10. VIDEO & OPTICAL CIRCUIT 95

14 Printed Circuit Board Diagrams 97

14.1. DSP P.C.B 97

14.2. MAIN P.C.B 98

14.3. INPUT P.C.B 100

14.4. TUNER EXTENT P.C.B, SPEAKER P.C.B, HEADPHONE

P.C.B and VOLUME P.C.B 101

14.5. HDMI P.C.B 102

14.6. PANEL P.C.B and VIDEO & OPTICAL P.C.B 104

14.7. POWER P.C.B 105

15 Illustration of IC's, Transistors and Diodes 107

16 Terminal Function of IC's 108

16.1. IC6801 (C2BBGF000833) IC MICROPROCESSOR 108

16.2. IC6901 (C2CBJG000721) IC SUB MICRO-P 108

17 Exploded Views 111

17.1. Cabinet Parts Location 111

17.2. Packaging 113

18 Replacement Parts List 115

SA-XR57E / SA-XR57EB / SA-XR57EG

1 Safety Precautions

1.1. GENERAL GUIDELINES

1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or

damaged by the short circuit.

2. After servicing, ensure that all the protective devices such as insulation barriers, insulation papers shields are properly installed.

3. After servicing, check for leakage current checks to prevent from being exposed to shock hazards.

1.1.1. LEAKAGE CURRENT COLD CHECK

1. Unplug the AC cord and connect a jumper between the two prongs on the plug.

2. Using an ohmmeter measure the resistance value, between the jumpered AC plug and each exposed metallic cabinet part on

the equipment such as screwheads, connectors, control shafts, etc. When the exposed metallic part has a return path to the

chassis, the reading should be between 1MΩand 5.2Ω.

When the exposed metal does not have a return path to the chassis, the reading must be .

Figure. 1

1.1.2. LEAKAGE CURRENT HOT CHECK (See Figure 1.)

1. Plug the AC cord directly into the AC outlet. Do not use an isolation transformer for this check.

2. Connect a 1.5kΩ, 10 watts resistor, in parallel with a 0.15µF capacitors, between each exposed metallic part on the set and a

good earth ground such as a water pipe, as shown in Figure 1.

3. Use an AC voltmeter, with 1000 ohms/volt or more sensitivity, to measure the potential across the resistor.

4. Check each exposed metallic part, and measure the voltage at each point.

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

6. The potential at any point should not exceed 0.75 volts RMS. A leakage current tester (Simpson Model 229 or equivalent) may

be used to make the hot checks, leakage current must not exceed 1/2 milliamp. should the measurement is outside of the limits

specified, there is a possibility of a shock hazard, and the equipment should be repaired and re-checked before it is returned

to the customer.

SA-XR57E / SA-XR57EB / SA-XR57EG

1.2. Caution for AC Cord

SA-XR57E / SA-XR57EB / SA-XR57EG

1.3. Before Repair and Adjustment

Disconnect AC power, discharge Power Supply Capacitors C707, C717, C718 and C924 through a 10Ω, 1W resistor to ground.

DO NOT SHORT-CIRCUIT DIRECTLY (with a screwdriver blade, for instance), as this may destroy solid state devices.

After repairs are completed, restore power gradually using a variac, to avoid overcurrent.

Current consumption at AC 230 to 240V, 50 Hz in NO SIGNAL mode (volume min) should be 200 ~ 600 mA.

1.4. Protection Circuitry

The protection circuitry may have operated if either of the following conditions are noticed:

No sound is heard when the power is turned on.

Sound stops during a performance.

The function of this circuitry is to prevent circuitry damage if, for example, the positive and negative speaker connection wires are

"shorted", or if speaker systems with an impedance less than the indicated rated impedance of the amplifier are used.

If this occurs, follow the procedure outlines below:

1. Turn off the power.

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

3. Turn on the power once again after one minute.

Note:

When the protection circuitry functions, the unit will not operate unless the power is first turned off and then on again.

SA-XR57E / SA-XR57EB / SA-XR57EG

2 Prevention of Electro Static Discharge (ESD) to

Electrostatically Sensitive (ES) Devices

Some semiconductor (solid state) devices can be damaged easily by electricity. Such components commonly are called

Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and

semiconductor “chip” components. The following techniques should be used to help reduce the incidence of component damage

caused by electro static discharge (ESD).

1. Immediately before handling any semiconductor component or semiconductor-equiped assembly, drain off any ESD on your

body by touching a known earth ground. Alternatively, obtain and wear a commercially available discharging ESD wrist strap,

which should be removed for potential shock reasons prior to applying power to the unit under test.

2. After removing an electrical assembly equiped with ES devices, place the assembly on a conductive surface such as aluminium

foil, to prevent electrostatic charge build up or exposure of the assembly.

3. Use only a grounded-tip soldering iron to solder or unsolder ES devices.

4. Use only an anti-static solder removal device. Some solder removal devices not classified as “anti-static (ESD protected)” can

generate electrical charge to damage ES devices.

5. Do not use freon-propelled chemicals. These can generate electrical charges sufficient to damage ES devices.

6. Do not remove a replacement ES device from its protective package until immediately before you are ready to install it. (Most

replacement ES devices are packaged with leads electrically shorted together by conductive foam, aluminium foil or

comparable conductive material).

7. Immediately before removing the protective material from the leads of a replacement ES device, touch the protective material

to the chassis or circuit assembly into which the device will be installed.

Caution

Be sure no power is applied to the chassis or circuit, and observe all other safety precautions.

8. Minimize bodily motions when handling unpackaged replacement ES devices. (Otherwise harmless motion such as the

brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity (ESD)

sufficient to damage an ES device).

SA-XR57E / SA-XR57EB / SA-XR57EG

3 Handling the Lead-free Solder

3.1. About lead free solder (PbF)

Distinction of PbF P.C.B.:

P.C.B.s (manufactured) using lead free solder will have a PbF stamp on the P.C.B.

Caution:

Pb free solder has a higher melting point than standard solder; Typically the melting point is 50 - 70°F (30 - 40°C) higher. Please

use a high temperature soldering iron. In case of soldering iron with temperature control, please set it to 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 completely remove all of the solder on the pins or solder area, and be sure to heat the

soldering points with the Pb free solder until it melts enough.

SA-XR57E / SA-XR57EB / SA-XR57EG

4 Accessories

Note : Refer to Packing Materials & Accessories Parts List (Section 18) for the part number.

Remote control

AC cord (For

E/EG)

AC cord (For EB)

FM antenna wire

AM loop antenna

Antenna

plug

adapter

(For EB)

SA-XR57E / SA-XR57EB / SA-XR57EG

5 Operating Instructions Procedures

5.1. Remote Control Operation

5.2. Main Unit Operation

SA-XR57E / SA-XR57EB / SA-XR57EG

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