Panasonic SA-HT340EE Manuel utilisateur

lGeneral

Power Source:

C 230V, 50Hz

Power consumption: 90 W

Dimensions (W×H×D): 430×60×342 mm

Mass: 3kg

lAmplifier section

RMS Output Power: Dolby Digital Mode

lTotal RMS Dolby Digital

mode Power: 330 W

At 1kHz and total harmonic of 10%

lFront: 55 W/ Channel (5Ω)

lCenter: 55 W/ Channel (5Ω)

lSurround: 55 W/ Channel (5Ω)

At 100Hz and total harmonic of 10%

lActive subwoofers: 55 W/ Channel (5Ω)

DIN Output Power: Dolby Digital Mode:

lTotal DIN Dolby Digital mode Power:

150 W

At 1kHz and total harmonic of 1%

lFront: 25 W/ Channel (5Ω)

lCenter: 25 W/ Channel (5Ω)

lSurround: 25 W/ Channel (5Ω)

At 100Hz and total harmonic of 1%

lSubwoofer: 25 W/ Channel (5Ω)

distribution is a violation of law.

SA-HT340EE

Colour

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

Preset Memory: FM 15 stations

AM/MW 15 stations

lFrequency Modulation (FM)

Frequency Range: 87.5-108.00MHz

(50kHz step)

Sensitivity: 1.8µV (IHF)

S/N 26dB 1.4µV

Antenna Terminals: 75Ω(unbalanced)

lAmplitude Modulation (AM/ MW)

Frequency Range: 522-1629kHz (9kHz step)

AM Sensitivity S/N 20dB at

999kHz: 560µV/m

lMic jack:

Sensitivity: 0.7mV (1.2kΩ)

Terminal: Mono 6.3mm jack (1 system)

lDisc section

Discs played (8 cm or 12 cm):

(1) DVD [DVD-Video, DivX(*6,7)]

(2) DVD-RAM [DVD-VR, MP3(*2,7), JPEG(*4,7), MPEG4(*5,7),

DivX(*6,7)]

(3) DVD-R [DVD-Video, DVD-VR, MP3(*2,7), JPEG(*4,7),

MPEG4(*5,7), DivX(*6,7)]

(4) DVD-R DL [DVD-Video, DVD-VR]

(5) DVD-RW [DVD-Video, DVD-VR, MP3(*2,7), JPEG(*4,7),

MPEG4(*5,7), DivX(*6,7)]

DVD Home Theater Sound System

Specifications

ORDER NO.MD0605177CE

(6) +R/RW [Video]

(7) +R DL [Video]

(8) CD, CD-R/RW [CD-DA, Video CD, SVCD(*1), MP3(*2,7),

WMA(*3,7), JPEG(*4,7), MPEG4(*5,7), DivX (*6,7), HighMAT

Level 2 (Audio and Image)]

*1 Conforming to IEC62107

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

*3 Windows Media Audio Ver.9.0 L3

lNot compatible with Multiple Bit Rate (MBR)

*4 Exif Ver 2.1 JPEG Baseline files

lPicture resolution: between 160 x 120 and 6144 x 4096

pixels (Sub sampling is 4:0:0, 4:2:0, 4:2:2, 4:4:4). Extremely

long and narrow pictures may not be displayed.

*5 MPEG4 data recorded with Panasonic SD multi cameras or

DVD video recorders.

lConforming to SD VIDEO specifications (ASF standard)/

MPEG4 (Simple Profile) video system/G.726 audio system.

*6 Plays all versions of DivX® video (including DivX®6) with

standard playback of DivX® media files. Certified to the DivX

Home Theater Profile.

lGMC (Global Motion Compensation) is not supported.

*7 The total combined maximum number of recognizable audio,

picture and video contents and groups: 4000 audio, picture

and video contents and 400 groups.

Pick up:

Wavelength:

lCD: 785nm

lDVD: 662nm

Laser power:

lCD: CLASS 1M

lDVD: CLASS 1

Audio output (DISC):

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

SW)

Audio performance:

Frequency response:

DVD (linear audio): 4 Hz-22 kHz (48 kHz sampling)

4 Hz-44 kHz (96 kHz sampling)

CD-Audio: 4 Hz-20 kHz

S/N ratio:

CD-Audio: 105 dB

Dynamic range:

DVD (linear audio): 95 dB

CD-Audio: 95 dB

Total harmonic distortion:

CD-Audio: 0.005 %

lVideo section

ideo system:

Signal system: PAL 625/50, PAL 525/60,

NTSC

Composite video output:

Output level: 1 Vp-p (75 Ω)

Terminal: Pin jack (1 system)

Scart jack (1 system)

S-video output:

output level: 1 Vp-p (75 Ω)

C output level: PAL; 0.3Vp-p (75Ω)

NTSC; 0.286 Vp-p (75 Ω)

Terminal S terminal (1 system)

Scart jack (1 system)

Component video output: [NTSC: 480p/480i, PAL:576p/576i]

output level: 1 Vp-p (75 Ω)

PBoutput level: 0.7 Vp-p (75 Ω)

PRoutput level: 0.7 Vp-p (75 Ω)

Terminal: Pin jack (Y: green, PB: blue,

PR: red) (1 system)

RGB video output:

R output level: 0.7 Vp-p (75 Ω)

G output level: 0.7 Vp-p (75 Ω)

B output level: 0.7 Vp-p (75 Ω)

Terminal: Scart jack (1 system)

Power consumption in standby mode:

approx 1W

Note:

1. Specifications are subject to change without notice.

Mass and dimensions are approximate.

2. Total harmonic distortion is measured by the digital spectrum

analyzer.

Solder:

This model uses lead free solder (PbF).

Mechanism:

This model uses DL2SU (Single tray) mechanism.

Power Supply:

This model uses Switching Mode Power Supply (SMPS)

Module for power-up unit.

Refer to the original service manual for *1, *2, *3, *4.

SA-HT340EE

1 Safety Precautions 5

1.1. GENERAL GUIDELINES 5

1.2. Before Repair and Adjustment (Using SMPS) 5

1.3. Protection Circuitry 5

2 Prevention of Electro Static Discharge (ESD) to

Electrostatically Sensitive (ES) Devices 6

3 Precaution of Laser Diode 7

4 About Lead Free Solder (PbF) 8

4.1. Service caution based on legal restrictions 8

5 Handling Precautions for Traverse Unit 9

5.1. Cautions to Be Taken in Handling the Optical Pickup Unit

5.2. Grounding for electrostatic breakdown prevention 9

6 Accessories 11

7 Operation Procedures 12

7.1. Remote Control Key Buttons Operations 12

7.2. Main Unit Key Buttons Operations (SA-HT340) 13

7.3. Disc information 14

7.4. About DivX VOD Content 16

8 Self-Diagnosis and special mode setting 17

8.1. Service Mode Summary Table 17

8.2. Service Mode Table 17

8.3. DVD Self Diagnostic Function-Error Code 22

8.4. Sales Demonstration Lock Function 24

8.5. Service Precautions 25

9 Assembling and Disassembling 26

9.1. Disassembly Flow Chart 27

9.2. Main Components and P.C.B. Locations 27

9.3. Disassembly of Top Cabinet 28

9.4. Disassembly of the DVD Lid (When taking out disc

manually) 28

9.5. Disassembly of Front Panel 29

9.6. Disassembly of FL P.C.B., Mic P.C.B. & Volume P.C.B.

9.7. Disassembly of DVD Mechanism Unit 30

9.8. Disassembly of DVD Module P.C.B. 30

9.9. Disassembly of Rear panel 31

9.10. Disassembly of SMPS Module P.C.B. 31

9.11. Disassembly of Main P.C.B. & Tuner Extent P.C.B. 31

9.12. Disassembly of Digital Amp IC (IC5100) 31

10 Service Position 33

10.1. Servicing position of the DVD Module P.C.B. 33

10.2. Servicing position of the Main P.C.B. 33

10.3. Servicing position of the SMPS Module P.C.B. 33

11 Assembly and disassembly of Mechanism Unit 34

11.1. Disassembly Procedure 34

12 Measurements and Adjustments 40

12.1. Service Tools and Equipment 40

12.2. Important points in adjustment 40

12.3. Storing and handling of test discs 40

12.4. Optical adjustment 41

13 Abbreviations 42

14 Voltage and Waveform Chart 44

14.1. DVD Module P.C.B. 44

14.2. Main P.C.B. 45

14.3. FL P.C.B., Mic P.C.B. & Tray Loading P.C.B. 46

14.4. SMPS Module P.C.B. 46

14.5. Waveform Chart 47

15 Illustration of IC's, Transistors and Diodes 48

16 Wiring Connection Diagram 49

17 Block Diagram 51

18 Schematic Notes 57

19 Schematic Diagram 59

19.1. (A) Optical Pickup Unit & DVD Module (DV3.2) Circuit 59

19.2. (B) Main/Power, FL, Volume & Mic Circuit 63

19.3. (C) Tray Loading & Tuner Extent Circuit 69

20 Printed Circuit Board 71

20.1. (A) DVD Module P.C.B. 71

20.2. (B) Main/Power P.C.B. 72

20.3. (C) FL, Volume, Mic, Tray Loading & Tuner Extent P.C.B.

21 Basic Troubleshooting Guide 75

21.1. Basic Troubleshooting Guide for Traverse Unit (DVD

Module P.C.B.) 75

22 Overall Block (HT340) 76

22.1. HT340 DVD Unit Block 77

22.2. HT340 Block (Analog Signal : DVD 5.1ch Play Back

Mode) 78

22.3. HT340 Block (Analog Signal : 2ch Analog Input Mode) 79

22.4. HT340 Power Supply Block 80

22.5. HT340 Power (Main) Block 81

23 Terminal Function of ICs 82

23.1. IC2018 (C2CBYY000194): Microprocessor IC 82

24 Exploded Views 83

24.1. Cabinet Parts Location 83

24.2. Packaging 85

25 Replacement Parts List 86

25.1. Component Parts List 87

CONTENTS

Page Page

SA-HT340EE

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, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly

installed.

3. After servicing, carry out the following leakage current checks to prevent the customer 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. Measure the resistance value, with an ohmmeter, 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 5.2MΩ.

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. In case a measurement is outside of the limits

specified, there is a possibility of a shock hazard, and the equipment should be repaired and rechecked before it is returned to

the customer.

1.2. Before Repair and Adjustment (Using SMPS)

This model uses Switching Mode Power Supply (SMPS) Module to provide the neccessary voltages for the unit.

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 V, 50 Hz in NO SIGNAL mode (at volume minimum) should be ~ 650 mA.

1.3. 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:

SA-HT340EE

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.

2 Prevention of Electro Static Discharge (ESD) to

Electrostatically Sensitive (ES) Devices

Some semiconductor (solid state) devices can be damaged easily by static 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-equipped 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 equipped with ES devices, place the assembly on a conductive surface such as

aluminum foil, to prevent electrostatic charge buildup 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 sufficient 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, aluminum 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-HT340EE

3 Precaution of Laser Diode

CAUTION :

This product utilizers a class 1 laser. Invisible laser radiation is emitted from the optical pick up lens.

When the unit is turned on:

Wavelength : 662nm/785nm

Maximum output radiation power from pick up : 100µW/VDE

Laser radiation from pick up unit is safety level, but be sure the followings:

1. Do not disassemble the optical pick up unit, since radiation from exposed laser diode is dangerous.

2. Do not adjust the variable resistor on the pick up unit. It was already adjusted.

3. Do not look at the focus lens using optical instruments.

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

SA-HT340EE

4 About Lead Free Solder (PbF)

4.1. Service caution based on legal restrictions

4.1.1. General description about Lead Free Solder (PbF)

The lead free solder has been used in the mounting process of all electrical components on the printed circuit boards used for this

equipment in considering the globally environmental conservation.

The normal solder is the alloy of tin (Sn) and lead (Pb). On the other hand, the lead free solder is the alloy mainly consists of tin

(Sn), silver (Ag) and Copper (Cu), and the melting point of the lead free solder is higher approx.30 degrees C (86°F) more than that

of the normal solder.

Definition of PCB Lead Free Solder being used

The letter of “PbF” is printed either foil side or components side on the PCB using the lead free solder.

(See right figure)

Service caution for repair work using Lead Free Solder (PbF)

The lead free solder has to be used when repairing the equipment for which the lead free solder is used.

(Definition: The letter of “PbF” is printed on the PCB using the lead free solder.)

To put lead free solder, it should be well molten and mixed with the original lead free solder.

Remove the remaining lead free solder on the PCB cleanly for soldering of the new IC.

Since the melting point of the lead free solder is higher than that of the normal lead solder, it takes the longer time to melt

the lead free solder.

Use the soldering iron (more than 70W) equipped with the temperature control after setting the temperature at 350±30

degrees C (662±86°F).

Recommended Lead Free Solder (Service Parts Route.)

The following 3 types of lead free solder are available through the service parts route.

RFKZ03D01K-----------(0.3mm 100g Reel)

RFKZ06D01K-----------(0.6mm 100g Reel)

RFKZ10D01K-----------(1.0mm 100g Reel)

Note

* Ingredient: tin (Sn), 96.5%, silver (Ag) 3.0%, Copper (Cu) 0.5%, Cobalt (Co) / Germanium (Ge) 0.1 to 0.3%

SA-HT340EE

5 Handling Precautions for Traverse Unit

The laser diode in the optical pickup unit may break down due to static electricity of clothes or human body. Special care must be

taken avoid caution to electrostatic breakdown when servicing and handling the laser diode.

5.1. Cautions to Be Taken in Handling the Optical Pickup Unit

The laser diode in the optical pickup unit may be damaged due to electrostatic discharge generating from clothes or human body.

Special care must be taken avoid caution to electrostatic discharge damage when servicing the laser diode.

1. Do not give a considerable shock to the optical pickup unit as it has an extremely high-precise structure.

2. To prevent the laser diode from the electrostatic discharge damage, the flexible cable of the optical pickup unit removed should

be short-circuited with a short pin or a clip.

3. The flexible cable may be cut off if an excessive force is applied to it. Use caution when handling the flexible cable.

4. The antistatic FPC is connected to the new optical pickup unit. After replacing the optical pickup unit and connecting the flexible

cable, cut off the antistatic FPC.

5.2. Grounding for electrostatic breakdown prevention

Some devices such as the DVD player use the optical pickup (laser diode) and the optical pickup will be damaged by static

electricity in the working environment. Proceed servicing works under the working environment where grounding works is

completed.

5.2.1. Worktable grounding

1. Put a conductive material (sheet) or iron sheet on the area where the optical pickup is placed, and ground the sheet.

5.2.2. Human body grounding

1. Use the anti-static wrist strap to discharge the static electricity form your body.

SA-HT340EE

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