Toshiba HD-A2KU Bedienungsanleitung

HD DVD PLAYER

SERVICE MANUAL

Dec., 2006 GREEN

FILE NO. 810-200685GR

HD-A2KU

HD-A2WKU

HD-D2KU

HD-A2KC

The above models are classified as green products (*1), as indicated by the underlined serial numbers.

This Service Manual describes replacement parts for the green products. When repairing these green

product(s), use the part(s) described in this manual and lead-free solder (*2).

For (*1) and (*2), see the next page.

(HD-A2KU)

Rev.01

(*1) GREEN PRODUCT PROCUREMENT

The EC is actively promoting the WEEE & RoHS Directives that define standards for recycling

and reuse of Waste Electrical and Electronic Equipment and for the Restriction of the use of

certain Hazardous Substances. From July 1, 2006, the RoHS Directive will prohibit any market-

ing of new products containing the restricted substances.

Increasing attention is given to issues related to the global environmental. Toshiba Corporation

recognizes environmental protection as a key management tasks, and is doing its utmost to

enhance and improve the quality and scope of its environmental activities. In line with this,

Toshiba proactively promotes Green Procurement, and seeks to purchase and use products,

parts and materials that have low environmental impacts.

Green procurement of parts is not only confined to manufacture. The same green parts used in

manufacture must also be used as replacement parts.

(*2) LEAD-FREE SOLDER

This product is manufactured using lead-free solder as a part of a movement within the con-

sumer products industry at large to be environmentally responsible. Lead-free solder must be

used in the servicing and repair of this product.

WARNING

This product is manufactured using lead free solder.

DO NOT USE LEAD BASED SOLDER TO REPAIR THIS PRODUCT !

The melting temperature of lead-free solder is higher than that of leaded solder by 86°F to

104°F (30°C to 40°C). Use of a soldering iron designed for lead-based solders to repair product

made with lead-free solder may result in damage to the component and or PCB being soldered.

Great care should be made to ensure high-quality soldering when servicing this product espe-

cially when soldering large components, through-hole pins, and on PCBs as the level of heat

required to melt lead-free solder is high.

PREPARATION OF SERVICING

Pickup Head consists of a laser diode that is very susceptible to external static electricity.

Although it operates properly after replacement, if it was subject to electrostatic discharge during replacement,

its life might be shortened. When replacing, use a conductive mat, soldering iron with ground wire, etc. to

protect the laser diode from damage by static electricity.

And also, the LSI and IC are same as above.

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LASER BEAM CAUTION LABEL

When the power supply is being turned on, you may not remove this laser cautions label. If it removes, radiation of a laser

may be received.

·Dolby features manufactured under license from Dolby Laboratories. Dolby and the double-D symbol are trademarks of Dolby Laboratories.

·DTS features manufactured under license from Digital Theater Systems, Inc. U.S. Pat. No's. 5,451,942; 5,956,674; 5,974,380; 5,978,762; 6,226,616;

6,487,535 and other U.S. and world-wide patents issued and pending. "DTS" and "DTS Digital Surround" are registered trademarks of Digital Theater

Systems, Inc.

·HDMI, the HDMI logo and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC.

·SHARC is a registered trademark and Melody is a trademark of Analog Devices, Inc.

·All other brand and product names mentioned in this manual are trademarks and/or registered trademarks of their respective holders.

SAFETY NOTICE

SAFETY PRECAUTIONS

LEAKAGE CURRENT CHECK

Plug the AC line cord directly into a 120V AC outlet (do

not use an isolation transformer for this check). Use an

AC voltmeter, having 5000 Ωper volt or more sensitivity.

Connect a 1500 Ω10 W resistor, paralleled by a 0.15 µF

150V AC capacitor between a known good earth ground

(water pipe, conduit, etc.) and all exposed metal parts of

cabinet (antennas, handle bracket, metal cabinet

screwheads, metal overlays, control shafts, etc.).

Measure the AC voltage across the 1500 Ωresistor.

The test must be conducted with the AC switch on and

then repeated with the AC switch off. The AC voltage

indicated by the meter may not exceed 0.3 V. A reading

exceeding 0.3 V indicates that a dangerous potential

exists, the fault must be located and corrected.

Repeat the above test with the DVD PLAYER power plug

reversed.

NEVER RETURN A DVD PLAYER TO THE CUS-

TOMER WITHOUT TAKING NECESSARY CORREC-

TIVE ACTION.

READING SHOULD NOT EXCEED 0.3V

The lightning flash with arrowhead symbol, within an

equilateral triangle, is intended to alert the user to the

presence of uninsulated “dangerous voltage” within the

product’s enclosure that may be of sufficient magnitude to

constitute a risk of electric shock to persons.

The exclamation point within an equilateral triangle is

intended to alert the user to the presence of important

operating and maintenance (servicing) instructions in the

literature accompanying the appliance.

Test all exposed metal.

Voltmeter Hook-up for Leakage Current Check

DVD PLAYER AC VOLTMETER

(5000 Ωper volt

or more sensitivity)

Good earth ground

such as a water pipe,

conduit, etc.

1500 Ω

10 W

0.15 µF 150V AC

AC OUTLET

SECTION 2

PART REPLACEMENT PROCEDURES

SECTION 3

SERVICING DIAGRAMS

1. CIRCUIT SYMBOLS AND

SUPPLEMENTARY EXPLANATION

1-1. Precautions for Part Replacement

1-2. Solid Resistor Indication

1-3. Capacitance Indication

1-4. Inductor Indication

1-5. Waveform and Voltage Measurement

1-6. Others

2. PRINTED WIRING BOARD AND

SCHEMATIC DIAGRAM

3. BLOCK DIAGRAMS

4. CIRCUIT DIAGRAMS

4-1. Power Supply Circuit Diagram

4-1-1. Power Supply Circuit Diagram (Type A)

4-1-2. Power Supply Circuit Diagram (Type B)

4-2. Front Circuit Diagram

4-2-1. Front FIP Circuit Diagram

4-2-2. Power Switch Circuit Diagram

4-2-3. Front Switch/USB Circuit Diagram

4-3. ATAPI Conversion Circuit Diagram

4-4. Main Circuit Diagram

4-4-1. AV Output Circuit Diagram

4-4-2. Timer Circuit Diagram

5. PC BOARDS

5-1. Front FIP PC Board

5-2. Power Switch PC Board

5-3. Front Switch/USB PC Board

5-4. ATAPI PC Board

CONTENTS

SECTION 1

GENERAL DESCRIPTIONS

1. OPERATING INSTRUCTIONS

1. REPLACEMENT OF MECHANICAL PARTS

1-1. Front Panel, Front PC Boards

1-2. Main/Power PC Boards

1-3. DVD Drive

2. WIRING CONNECTION DIAGRAM

2. LOCATION OF MAIN PARTS

2-1. Location of Main Parts

2-2. Location of PC Boards

SECTION 4

PARTS LIST

SAFETY PRECAUTION

NOTICE

ABBREVIATIONS

1. EXPLODED VIEWS

1-1. Packing Assembly

1-2. Chassis Assembly

SECTION 1

GENERAL DESCRIPTIONS

1. OPERATING INSTRUCTIONS

Please refer to the owner's manual about the contents.

SECTION 1

GENERAL DESCRIPTIONS

2. LOCATION OF MAIN PARTS

2-1. Location of Main Parts

Fig. 1-2-1

2-2. Location of PC Boards

Fig. 1-2-2

FAN

DVD DRIVE

Main PC board

Power PC board

ATAPI PC board

Front FIP PC board

Front switch/USB PC board

Power switch PC board

Note:

• Circled numbers in the figure show the main disassembly procedure. Refer to them when disassembling.

• This section describes how to replace the parts of HD-A2KU as a representative.

1-1. Front Panel, Front PC Boards

Fig. 2-1-1

SECTION 2

CHASSIS OF MAIN PARTS

SECTION 2

PART REPLACEMEANT PROCEDURES

CAUTIONS BEFORE STARTING PART REPLACEMENT

Electronic parts are susceptible to static electricity and may easily damaged, so do not forget to ground as required.

Many screws are used inside the unit. To prevent the screws from missing or dropping, etc. always use a magnetized

screwdriver in servicing. Several kinds of screws are used and some of them need special cautions. That is, take care of

the tapping screws securing molded parts and fine pitch screws used to secure metal parts. If they are used improperly,

the screw holes will be easily damaged and the parts can not be fixed.

1. REPLACEMENT OF MECHANICAL PARTS

FRONT PANEL

POWER SWITCH PC BOARD

710

FRONT SWITCH/USB PC BOARD

FRONT FIP PC BOARD

1-2. Main/Power PC Boards

Fig. 2-1-2

POWER PC BOARD

MAIN PC BOARD

FAN

1-3. DVD Drive

Fig. 2-1-3

DVD DRIVE

ATAPI PC BOAD

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