Panasonic DMR-BWT720EB Manuel utilisateur

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of law.

ORDER NO.DSD1205011CE

Blu-ray Disc Recorder

Model No. DMR-BWT720EB

Colour

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

TABLE OF CONTENTS

PAGE PAGE

1 Safety Precautions -----------------------------------------------5

1.1. General guidelines-----------------------------------------5

2Warning--------------------------------------------------------------6

2.1. Prevention of Electrostatic Discharge (ESD)

to Electrostatic Sensitive (ES) Devices ---------------6

2.2. Precaution of Laser Diode -------------------------------7

2.3. Service caution based on legal restrictions----------8

3 Service Navigation------------------------------------------------9

3.1. External HDD (USB-HDD) -------------------------------9

3.2. How to format for HDD when replacement of

HDD or Main P.C.B. ------------------------------------- 12

3.3. Combination of Multiple Pressing on the

Remote Control------------------------------------------- 12

3.4. Entering Special Modes with Combination of

Multiple Pressing on the Remote Control ---------- 13

3.5. Service Information -------------------------------------- 15

3.6. Caution for DivX ------------------------------------------ 15

3.7. Micro Fuse conducting check ------------------------- 16

3.8. (HDD/BD Drive) Service Navigation----------------- 17

3.9. Operation check when a USB device is

connected -------------------------------------------------- 19

3.10. Wi-Fi Module (Internal) Malfunction Check

(Simplified Method) -------------------------------------- 20

3.11. Check with Tuner Service Mode --------------------- 22

4 Specifications ---------------------------------------------------- 26

5 Location of Controls and Components------------------ 29

6 Installation Instructions--------------------------------------- 31

6.1. Taking out the Disc from BD-Drive Unit when

the Disc cannot be ejected by OPEN/CLOSE

button-------------------------------------------------------- 31

7 Service Mode ----------------------------------------------------- 32

7.1. Self-Diagnosis and Special Mode Setting---------- 32

8 Service Fixture & Tools --------------------------------------- 60

9 Disassembly and Assembly Instructions--------------- 61

9.1. Unit----------------------------------------------------------- 61

9.2. BD Drive ---------------------------------------------------- 68

10 Measurements and Adjustments -------------------------- 74

10.1. Service Positions ----------------------------------------- 74

10.2. Caution for Replacing Parts --------------------------- 77

10.3. Standard Inspection Specifications after

Making Repairs ------------------------------------------- 78

11 Block Diagram --------------------------------------------------- 79

11.1. Overall Block Diagram ---------------------------------- 79

11.2. Power Supply Block Diagram ------------------------- 80

11.3. Analog Video Block Diagram-------------------------- 81

11.4. Analog Audio Block Diagram-------------------------- 82

11.5. Timer Block Diagram ------------------------------------ 83

11.6. Digital P.C.B. Regulator Block Diagram ------------ 84

11.7. Digital Block Diagram (1/2) ---------------------------- 85

11.8. Digital Block Diagram (2/2) ---------------------------- 86

12 Wiring Connection Diagram --------------------------------- 87

12.1. Interconnection Schematic Diagram ---------------- 87

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, make 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 .

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 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.

Figure 1

2Warning

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 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 sufficient

to damage an ES device).

2.2. Precaution of Laser Diode

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

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.

RFKZ03D01KS-----------(0.3mm 100g Reel)

RFKZ06D01KS-----------(0.6mm 100g Reel)

RFKZ10D01KS-----------(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%

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

(See right figure)

3 Service Navigation

3.1. External HDD (USB-HDD)

• Certain non-confirmed USB-HDDs cannot be used with this unit.

• If a problem occurs with the USB-HDD, please contact the manufacturer of the device.

3.1.1. Connecting the USB-HDD

Connect this unit with optional USB-HDD.

• Only one USB-HDD can be connected at the same time.

• Do not connect additional HDDs using a USB hub.

• For details about connection method, refer to the

instructions supplied with the USB-HDD.

3.1.2. Disconnecting the USB-HDD

Please use the following procedure to disconnect.

Disconnecting without following this procedure may result in the loss of recorded content from the USB-HDD or the internal HDD.

1. Press [FUNCTION MENU].

2. Select "Setup" in "Others", then press [OK].

3. Select "Settings for USB-HDD" in "HDD/ Disc/ USB-HDD", then press [OK].

4. Select "USB-HDD Disconnection", then press [OK].

5. Select "Yes", then press [OK].

6. Disconnect the USB-HDD from this unit.

3.1.3. Registering the USB-HDD

3.1.3.1. Registering the USB-HDD

• If you use a USB-HDD with this unit, the USB-HDD must first be registered on this unit.

- Registering of a USB-HDD will format the USB-HDD and all the content already recorded will be deleted.

- Up to eight USB-HDDs can be registered on this unit.

- Registered USB-HDDs cannot be used with devices other than this unit.

• If the registering screen appears when connecting the USB-HDD, go to step 5.

1. Press [FUNCTION MENU].

2. Select "Setup" in "Others", then press [OK].

3. Select "Settings for USB-HDD" in "HDD/ Disc/ USB-HDD", then press [OK].

4. Select "USB-HDD Registration", then press [OK].

5. Select "Yes", then press [OK].

• If you have already registered eight USB-HDDs, it will be necessary to delete one or more of them before registering a

new USB-HDD.

The message screen appears:

1. Select "Yes", then press [OK].

2. Select the USB-HDD to cancell, then press [OK]. The confirmation screen appears.

3. Select "Yes", then press [OK].

6. When the registering is complete, message screen appears.

Press [OK].

7. The confirmation screen appears.

Press [OK].

Please use a confirmed USB-HDD.

For the latest information on confirmed USB-HDDs, please check the following website.

http://panasonic.jp/support/global/cs/

3.1.3.2. Settings for USB-HDD

Delete all titles

Delete all titles on the USB-HDD.

- Delete does not work if one or more titles are protected.

1. Press [FUNCTION MENU].

2. Select "Setup" in "Others", then press [OK].

3. Select "Settings for USB-HDD" in "HDD/ Disc/ USB-HDD", then press [OK].

4. Select "USB-HDD Management", then press and hold [OK] for 3 seconds.

5. Select "Delete all titles", then press [OK].

6. Select "Yes" and press [OK].

7. Select "Start" and press [OK].

8. The confirmation screen appears.

Press [OK].

Format USB-HDD

Formatting deletes all contents, and they cannot be restored.

Check carefully before proceeding.

1. Press [FUNCTION MENU].

2. Select "Setup" in "Others", then press [OK].

3. Select "Settings for USB-HDD" in "HDD/ Disc/ USB-HDD", then press [OK].

4. Select "USB-HDD Management", then press and hold [OK] for 3 seconds.

5. Select "Format USB-HDD", then press [OK].

6. Select "Yes" and press [OK].

7. Select "Start" and press [OK]. Then formatting starts.

8. Press [OK] after formatting completed.

3.1.3.3. To cancell all USB-HDD registrations

• If you register a USB-HDD, all the content already recorded on the USB-HDD will be deleted.

• It is not possible to play back the content on the USB-HDD whose registration has been cancelled.

• You can check the registration number of the USB-HDD on the DIRECT NAVIGATOR.

Cancellation of all USB-HDD Registrations

This function cancells the registrations of all the USB-HDDs registered on this unit.

Only do this if you are going to dispose of this unit.

- Before operation, perform "3.1.2. Disconnecting the USB-HDD" and remove the USB-HDD.

- It is not possible to play back the content from a USB-HDD whose registration has been cancelled.

1. Press [FUNCTION MENU].

2. Select "Setup" in "Others", then press [OK].

3. Select "Settings for USB-HDD" in "HDD/ Disc/ USB-HDD", then press [OK].

4. Select "Cancellation of all USB-HDD Registrations", then press and hold [OK] for 3 seconds.

5. Select "Yes", then press [OK].

6. The confirmation screen appears.

Select "Yes", and press [OK].

7. When the cancellation is complete, message screen appears.

Press [OK].

3.1.3.4. Registration procedure for USB-HDD for inspection

This function registers a USB-HDD for inspection aside from 8 USB-HDDs that can be registered in Normal mode.

If the USB-HDD for inspection is registered in User mode, it cannot be erased. Make sure to use Special mode to register the USB-

HDD for inspection.

Registration procedure

1. Perform "3.4.3. Nondisclosure mode 2" to enter the Service mode.

2. Press the [7][4] buttons of remote control in the Service mode to enter the Special mode.

3. If the new USB-HDD is connected, it is automatically formatted/registered. (There is no TV monitor display for registration.)

The USB-HDD registered in the Special mode can be operated using the same functions (format, record/play/edit, dubbing)

as those for USB-HDDs registered in the Normal mode.

The Special mode can be cancelled at power "OFF" only. (Cancelling the Special mode will erase the registration in the

Special mode.)

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