Panasonic DMR-EH55P9 Bedienungsanleitung

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DMR-EH55P9

DMR-EH55PC9

Vol. 1

Colour

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

DVD Recorder

ORDER NO.CHM0605028CE

B24

1 Safety Precaution 3

1.1. General guidelines 3

1.2. Caution for fuse replacement 3

2 Warning 4

2.1. Prevention of Electrostatic Discharge (ESD) to

Electrostatic Sensitive (ES) Devices 4

2.2. Precaution of Laser Diode 5

2.3. Service caution based on legal restrictions 6

2.4. How to replace the Lithium Battery 7

3 Service Navigation 8

3.1. Service Information 8

3.2. Caution for DivX 8

4 Specifications 9

5 Feature 11

5.1. About DivX 11

5.2. HDAVI Control (HDMI Link) 16

6 Location of Controls and Components 18

7 Operation Instructions 20

7.1. Taking out the Disc from DVD-Drive Unit when the Disc

cannot be ejected by OPEN/CLOSE button 20

8 Service Mode 21

8.1. Self-Diagnosis and Special Mode Setting 21

9 Service Fixture & Tools 30

10 Disassembly and Assembly Instructions 31

10.1. Disassembly Flow Chart 31

10.2. P.C.B. Positions 31

10.3. Top Case 32

10.4. Front Panel 32

10.5. SD Card P.C.B. 32

10.6. RAM/Digital P.C.B. Module 32

10.7. DV Jack P.C.B. 34

10.8. HDD 34

10.9. Rear Panel 35

10.10. Front (L) P.C.B. 36

10.11. Power P.C.B. 36

10.12. Main P.C.B. 37

10.13. HDMI P.C.B. 37

11 Measurements and Adjustments 38

11.1. Service Positions 38

11.2. Caution for Replacing Parts 43

11.3. Standard Inspection Specifications after Making Repairs

12 Block Diagram 47

12.1. Power Supply Block Diagram 47

12.2. Analog Video Block Diagram 49

12.3. Analog Audio Block Diagram 50

12.4. Analog Timer Block Diagram 51

12.5. HDMI Block Diagram 52

13 Schematic Diagram 53

13.1. Interconnection Schematic Diagram 53

13.2. Main Power Supply Schematic Diagram 54

13.3. Sub Power Section (Main P.C.B.(1/3)) Schematic Diagram

(P) 55

13.4. A/V I/O (1/4) Section (Main P.C.B.(2/3)) Schematic

Diagram (A) 57

13.5. A/V I/O (2/4) Section (Main P.C.B.(2/3)) Schematic

Diagram (A) 58

13.6. A/V I/O (3/4) Section (Main P.C.B.(2/3)) Schematic

Diagram (A) 59

13.7. A/V I/O (4/4) Section (Main P.C.B.(2/3)) Schematic

Diagram (A) 60

13.8. Timer (1/4) Section (Main P.C.B.(3/3)) Schematic Diagram

(FL) 62

13.9. Timer (2/4) Section (Main P.C.B.(3/3)) Schematic Diagram

(FL) 63

13.10. Timer (3/4) Section (Main P.C.B.(3/3)) Schematic Diagram

(FL) 64

13.11. Timer (4/4) Section (Main P.C.B.(3/3)) Schematic Diagram

(FL) 65

13.12. HDMI Schematic Diagram 67

13.13. SD Card Schematic Diagram 69

13.14. DV Jack Schematic Diagram 70

13.15. Front (L) Schematic Diagram 70

14 Print Circuit Board 71

14.1. Power P.C.B. 71

14.2. Main P.C.B. 72

14.3. HDMI P.C.B. 77

14.4. SD Card P.C.B., Front (L) P.C.B. 78

14.5. DV Jack P.C.B. 79

15 Appendix for Schematic Diagram 81

15.1. Voltage and Waveform Chart 81

16 Parts and Exploded Views 89

16.1. Exploded Views 89

16.2. Replacement Parts List 91

17 Schematic Diagram for printing with A4 98

CONTENTS

Page Page

DMR-EH55P9 / DMR-EH55PC9

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

1MWand 5.2MW.

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 1.5kW, 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 milliampere. 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 Safety Precaution

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, make the following leakage current checks to prevent the customer from being exposed to shock hazards.

1.2. Caution for fuse replacement

DMR-EH55P9 / DMR-EH55PC9

2 Warning

2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatic Sensitive

(ES) Devices

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

Electrostatic Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistor-sand

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 hamless motion such as the brushing

together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity sufficient to damage

an ES device).

DMR-EH55P9 / DMR-EH55PC9

2.2. Precaution of Laser Diode

DMR-EH55P9 / DMR-EH55PC9

2.3. Service caution based on legal restrictions

2.3.1. 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%

DMR-EH55P9 / DMR-EH55PC9

2.4. How to replace the Lithium Battery

REPLACEMENT PROCEDURE

1. Remove the Top case, Front Panel, SD Card P.C.B., RAM/Digital P.C.B. Module, DV Jack P.C.B., HDD, Rear Panel, Front

(L) P.C.B. and Main P.C.B. by referring the Disassembling Procedure.

2. Unsolder the Lithium Batteries: B7501 and then replace it into new one.

( As shown in 14.2.4. The Main P.C.B. )

NOTE:

The lithium battery is a critical component. ( Type No.: CR2354-1GUFE Manufactured by Panasonic.)

It must never be subjected to excessive heat or discharge.

It must therefore only be fitted in equipment designed specifically for its use.

Replacement batteries must be of the same type and manufacture.

They must be fitted in the same manner and location as the original battery, with the correct polarity contacts observed.

Do not attempt to re-charge the old battery or re-use it for any other purpose.

It should be disposed of in waste products destined for burial rather than incineration.

DMR-EH55P9 / DMR-EH55PC9

3 Service Navigation

3.1. Service Information

3.2. Caution for DivX

DMR-EH55P9 / DMR-EH55PC9

4 Specifications

DMR-EH55P9 / DMR-EH55PC9

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