Panasonic SA-PT465EE Manuale utente

OGENERAL

Power supply: AC 230-240 V, 50 Hz

Power consumption: This unit 125 W

Power consumption in standby mode:

approx. 0.4 W

Dimensions (W×H×D): 430 mm×63 mm×327 mm

Mass: This unit 3.4 kg

Operating temperature range: 0°Cto+40°C

Operating humidity range: 35 % to 80 % RH

(no condensation)

OAMPLIFIER SECTION

RMS Output Power: Dolby Digital Mode

Front Ch:

125 W per channel (3 Ω), 1 kHz, 10% THD

Surround Ch:

125 W per channel (3 Ω), 1 kHz, 10% THD

Center Ch:

125 W per channel (3 Ω), 1 kHz, 10% THD

Subwoofer Ch:

rights reserved. Unauthorized copying and

distribution is a violation of law.

SA-PT465EE

Colour

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

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

125 W per channel (3 Ω), 100 Hz, 10 % THD

Total RMS Dolby Digital mode power:

750 W

DIN Output Power: Dolby Digital Mode

Front Ch:

75 W per channel (3 Ω), 1 kHz, 1% THD

Surround Ch:

75 W per channel (3 Ω), 1 kHz, 1% THD

Center Ch:

75 W per channel (3 Ω), 1 kHz, 1% THD

Subwoofer Ch:

75 W per channel (3 Ω), 100 Hz, 1 % THD

Total DIN Dolby Digital mode power:

450 W

OFM TUNER, TERMINALS SECTION

Preset Memory: FM 30 stations

Frequency Modulation (FM)

Frequency range:

87.50-108.00 MHz (50-kHz step)

DVD Home Theater Sound System

Notes: This model is based on SA-PT460EB/EG-K,EG-S. Please refer to the original service manual (Order

no. MD0801001CE).

Specifications

ORDER NO. MD0802003AE

Antenna terminals: 75 Ω(unbalanced)

Digital audio input

Optical digital input: Optical terminal

Sampling frequency: 32 kHz, 44.1 kHz, 48 kHz

Phone jack

Terminal: Stereo, 3.5 mm jack

USB Port

USB standard: USB 2.0 full speed

Media file format support: MP3 (*.mp3)

WMA (*.wma)

JPEG (*.jpg) (*.jpeg)

MPEG4 (*.asf)

USB device file system: FAT12, FAT16, FAT32

USB Port power: Max. 500 mA

Mic jack

Sensitivity: 0.7mv(1.2Ω)

Terminal: Mono, 6.3 mm(2 systems)

ODISC SECTION

Discs played [8 cm or 12 cm]:

(1) DVD (DVD-Video, DivX*5, 6)

(2) DVD-RAM (DVD-VR, MP3*2, 5, JPEG*4, 5, MPEG4*5, 7, DivX*5, 6

)

(3) DVD-R (DVD-Video, DVD-VR, MP3*2, 5, JPEG*4, 5 , MPEG4*5,

7, DivX*5, 6)

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

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

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

(6) +R/+RW (Video)

(7) +R DL (Video)

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

*2, 5,WMA

*3,

5, JPEG*4, 5, MPEG4*5, 7, DivX*5, 6]

*1 Conforming to IEC62107

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

*3 Windows Media Audio Ver.9.0 L3

ONot compatible with Multiple Bit Rate (MBR)

*4 Exif Ver 2.1 JPEG Baseline files

OPicture resolution: between 160 x 120 and 6144 x 4096

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

Extremely long and narrow pictures may not be displayed.

*5 The total combined maximum number of recognizable audio,

picture and video contents and groups: 4000 audio, picture

and video contents and 400 groups.

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

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

Home Theater Profile.

*7 MPEG4 data recorded with the Panasonic SD multi cameras

or DVD video recorders.

OConforming to SD VIDEO specifications (ASF standard)/

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

Pick up

Wavelength (DVD/CD): 655/785 nm

Laser power (DVD/CD): CLASS 1/CLASS 1M

Audio output (Disc)

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

SW)

OVIDEO SECTION

Video system: PAL625/50, PAL525/60, NTSC

Composite video output

Output level: 1Vp-p(75Ω)

Component Video Output: (NTSC: 480p/480i, PAL: 576p/576i)

OY output level: 1 Vp-p (75 Ω)

OPBoutput level: 0.7 Vp-p (75 Ω)

OPRoutput level: 0.7 Vp-p (75 Ω)

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

PR: red) (1 system)

HDMI AV output

Terminal: 19pin type A connector

HDAVI Control:

This unit supports “HDAVI Control 3” function.

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 DLS6 mechanism.

Refer to their respective original service manuals for *1.

SA-PT465EE

1 Notes: 6

2 Safety Precautions 7

2.1. GENERAL GUIDELINES 7

2.2. Before Repair and Adjustment 7

2.3. Protection Circuitry 7

2.4. Safety Parts Information 8

3 Prevention of Electrostatic Discharge (ESD) to

Electrostatically Sensitive (ES) Devices 9

4 Precaution of Laser Diode 10

5 About Lead Free Solder (PbF) 11

5.1. Service caution based on legal restrictions 11

6 Handling Precautions for Traverse Unit 12

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

6.2. Grounding for electrostatic breakdown prevention 12

7 Assembling and Disassembling 14

7.1. Disassembly Flow Chart 16

7.2. Main Components and P.C.B. Locations 17

7.3. Disassembly of Top Cabinet 18

7.4. Disassembly of Rear Panel 18

7.5. Disassembly of DVD Mechanism Unit 18

7.6. Disassembly of Front Panel 19

7.7. Disassembly of Panel P.C.B. 19

7.8. Disassembly of Power Button P.C.B. 20

7.9. Disassembly of USB P.C.B. 20

7.10. Disassembly of Mic P.C.B. 21

7.11. Disassembly of DVD Lid 21

7.12. Disassembly of Ipod Cradle P.C.B. 21

7.13. Disassembly of AC Inlet P.C.B. 22

7.14. Disassembly of Main P.C.B. 23

7.15. Disassembly of D-Amp P.C.B. 24

7.16. Replacement of Digital Amp IC (IC5000) 25

7.17. Replacement of Digital Amp IC (IC5200) 26

7.18. Replacement of Digital Amp IC (IC5300) 27

7.19. Replacement of Digital Amp IC (IC5400) 29

7.20. Disassembly of SMPS P.C.B. 30

7.21. Replacement of Switch Regulator IC (IC5701) 30

7.22. Replacement of Switch Regulator Diode (D5702) 31

7.23. Replacement of Regulator Diode (D5801) 33

7.24. Replacement of Regulator Diode (D5802) 33

7.25. Replacement of Regulator Diode (D5803) 34

7.26. Disassembly of Power Supply P.C.B. 35

7.27. Replacement of Regulator IC (IC2903) 36

7.28. Disassembly of DVD Module P.C.B. 37

7.29. Disassembly of Coprocessor P.C.B. 38

8 Service Fixture and Tools 39

9 Service Position 40

9.1. Checking & Repairing Main P.C.B. 40

9.2. Checking & Repairing D-Amp P.C.B. 40

9.3. Checking & Repairing SMPS P.C.B. 42

9.4. Checking & Repairing Power Supply P.C.B. 42

9.5. Checking & Repairing DVD Module P.C.B. 43

10 Voltage and Waveform Chart 46

10.1. DVD Module P.C.B. 46

10.2. D-Amp P.C.B. 48

10.3. Main P.C.B. 49

10.4. Panel P.C.B. 50

10.5. Power Supply P.C.B. 50

10.6. Mic P.C.B. 51

10.7. SMPS P.C.B. 51

10.8. Waveform Chart 52

11 Illustration of IC’s, Transistors and Diodes 55

12 Wiring Connection Diagram 57

13 Block Diagram 59

13.1. System Control 59

13.2. DVD (Servo) 60

13.3. DVD (Audio) 61

13.4. DVD (HDMI) 62

13.5. VIDEO 63

13.6. Audio 64

13.7. Digital Audio Amp 65

13.8. Power 66

14 Schematic Diagram Notes 67

15 Schematic Diagram 69

15.1. DVD Module Circuit 69

15.2. Main Circuit 74

15.3. Panel Circuit 78

15.4. Power Button, USB Circuit 79

15.5. D-Amp Circuit 80

15.6. Power Supply Circuit 82

15.7. SMPS Circuit 84

15.8. AC Inlet, Ipod Cradle 86

15.9. Coprocessor Circuit 87

15.10. Mic Circuit 88

16 Printed Circuit Board 89

16.1. DVD Module P.C.B. 89

16.2. Main P.C.B. 90

16.3. Panel, Power Button, USB, Power Supply & AC Inlet

P.C.B. 91

16.4. D-Amp P.C.B. 92

CONTENTS

Page Page

SA-PT465EE

16.5. SMPS P.C.B. 93

16.6. Ipod Cradle, Mic & Coprocessor P.C.B. 94

17 Exploded Views 95

17.1. Cabinet Parts Location 95

17.2. Packaging 96

18 Replacement Parts List 97

18.1. Component Parts List 98

19 Schematic Diagram for printing with letter size 113

SA-PT465EE

1 Notes:

—This service manual contains technical information which will allow service personnel’s to understand and service this

model.

—If the circuit is changed or modified, this information will be followed by supplement service manual to be filled with the

original service manual.

1) The base for this model is SA-PT460EB/EG-K,EG-S. You can refer to the original service manual (Order no. MD0801001CE).

As such this service manual does not contain the following information as below:-

•

• •

• Operation Procedures

•

• •

• Self-diagnosis & Special Mode Setting

•

• •

• Assembling & Disassembling of DVD Mechanism Unit

•

• •

• Measurements & Adjustments

2) Contents include for this service manual:-

•

• •

• Safety Precautions

•

• •

• Prevention of Electrostatic Discharge (ESD)

•

• •

• Precaution of Laser Diode

•

• •

• About Lead Free Solder (PbF)

•

• •

• Handling Precautions for Traverse Unit

•

• •

• Assembling & Disassembling

•

• •

• Service Position

•

• •

• Voltage & Waveform Chart

•

• •

• Illustration of IC’s, Transistors and Diodes

•

• •

• Wiring Connection Diagram

•

• •

• Block Diagram

•

• •

• Schematic Diagram Notes

•

• •

• Schematic Diagram

•

• •

• Printed Circuit Board

•

• •

• Cabinet Exploded Views

•

• •

• Replacement Parts List

SA-PT465EE

2 Safety Precautions

2.1. 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.

2.1.1. 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

2.1.2. LEAKAGE CURRENT HOT CHECK

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.

2.2. Before Repair and Adjustment

Disconnect AC power to discharge unit AC Capacitors as such C5700, C5701, C5703, C5704, C5705, C5706, C5707 through a

10 Ω, 10 W resistor to ground.

Caution:

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 volume minimal should be ~ 600 mA. (E/EG)

2.3. 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.

SA-PT465EE

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.

2.4. Safety Parts Information

Safety Parts List:

There are special components used in this equipment which are important for safety.

These parts are marked by in the Schematic Diagrams & Replacement Parts List. It is essential that these critical parts

should be replaced with manufacturer’s specified parts to prevent shock, fire or other hazards. Do not modify the original design

without permission of manufacturer.

Table 1

Ref. No. Part No. Part Name & Description Remarks

12 REXX0640-J BLACK WIRE (AC TO SMPS) [M]

13 REXX0641-J RED WIRE (AC TO SMPS) [M]

23 RGRX0067H-A1 REAR PANEL [M] -K

23 RGRX0067HA1A REAR PANEL [M] -S

66 RKMX0141-K TOP CABINET [M] K

66 RKMX0141-S TOP CABINET [M] S

PCB3 REPX0622B SMPS P.C.B. [M] (RTL)

PCB4 REPX0622B AC INLET P.C.B. [M] (RTL)

DZ5701 ERZV10V511CS ZNR [M]

TH5701 D4CAC8R00002 THERMISTOR [M]

TH5860 D4CC11040013 THERMISTOR [M]

L5701 ELF15N035AN LINE FILTER [M]

L5702 G0B932H00001 LINE FILTER [M]

L5703 ELF22V020A LINE FILTER [M]

T2900 G4D1A0000117 SWITCHING TRANSFORMER [M]

T5701 ETS42BN1A6AD SWITCHING TRANSFORMER [M]

T5751 ETS19AB256AG SWITCHING TRANSFORMER [M]

PC5701 B3PBA0000402 PHOTO COUPLER [M]

PC5702 B3PBA0000402 PHOTO COUPLER [M]

PC5720 B3PBA0000402 PHOTO COUPLER [M]

PC5799 B3PBA0000402 PHOTO COUPLER [M]

F1 K5D502BNA005 FUSE [M]

FP2901 K5G401A00008 FUSE PROTECTOR [M]

P5701 K2AA2B000017 AC INLET [M]

A2 K2CQ2CA00007 AC CORD [M]

C5700 F1BAF1020020 1000pF [M]

C5703 F0C2H1040001 0.1uF 500V [M]

C5704 F1BAF1020020 1000pF [M]

C5705 F1BAF1020020 1000pF [M]

C5706 F1BAF1020020 1000pF [M]

C5707 F1BAF1020020 1000pF [M]

SA-PT465EE

3 Prevention of Electrostatic 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 electrostatic 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-PT465EE

4 Precaution of Laser Diode

CAUTION :

This product utilizes a laser diode with the unit turned "on", invisible laser radiation is emitted from the pickup lens.

Wavelength: 655 nm (DVD)/785 nm (CD)

Maximum output radiation power from pickup: 100 µW/VDE

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

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

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

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

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

SA-PT465EE

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