Toshiba RD-XS35SU Manuale utente

HDD/DVD VIDEO RECORDER

SERVICE MANUAL

Mar., 2006 GREEN

FILE NO. 810-200622GR

RD-XS35SU

RD-XS35SC

DIGITAL VIDEO

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.

(*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 marketing

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 consumer

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 especially 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.

Ground conductive

wrist strap for body.

Soldering iron

with ground wire

or ceramic type

Conductive mat The ground resistance

between the ground line

and the ground is less than 10

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.

·Manufactured under license from Dolby Laboratories. “Dolby” and the double-D symbol are trademarks of Dolby Laboratories.

·“DTS” and “DTS Digital Out” are trademarks of Digital Theater Systems, Inc.

·Manufactured under license from QSound Labs, Inc. U.S. patent Nos. 5,105,462, 5,208,860 and 5,440,638 and various foreign counterpart. Copyright

·In the United States, TV GUIDE and other related marks are registered marks of Gemstar-TV Guide International, Inc. and/or of its affiliates. In

Canada, TV GUIDE is a registered mark of Transcontinental Inc., and is used under license by Gemstar-TV Guide International, Inc.

·The TV Guide On Screen system is manufactured under license from Gemstar-TV Guide International, Inc. and/or one of its affiliates.

·The TV Guide On Screen system is protected by one or more of the following issued United States patents 6,498,895, 6,418,556, 6,331,877, 6,239,794;

6,154,203; 5,940,073; 4,908,713; 4,751,578; 4,706,121.

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 VIDEO RECORDER

power plug reversed.

NEVER RETURN A DVD VIDEO RECORDER TO

THE CUSTOMER WITHOUT TAKING NECESSARY

CORRECTIVE 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.

DVD VIDEO RECORDER 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

Test all exposed metal.

Voltmeter Hook-up for Leakage Current Check

SECTION 2

PART REPLACEMENT AND ADJUSTMENT 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

3-1. Overall Block Diagram

4. CIRCUIT DIAGRAMS

4-1. Power Supply Circuit Diagram

4-2. Front Circuit Diagram

4-2-1. Front Circuit Diagram (L/R)

4-2-2. Front Jack Circuit Diagram

4-3. Digital Circuit Diagram

4-3-1. Digital 1 Circuit Diagram

4-3-2. Digital 2 Circuit Diagram

4-4. Mother Circuit Diagram

4-4-1. Tuner Circuit Diagram

4-4-2. Audio Circuit Diagram

4-4-3. Timer Circuit Diagram

4-4-4. Video Circuit Diagram

4-5. Tuner Unit Circuit Diagram

5. PC BOARDS

5-1. Front Jack PC Board

5-2. Front (L) PC Board

5-3. Front (R) PC Board

5-4. Tuner Unit PC Board

5-5. Digital PC Board

5-6. Mother PC Board

CONTENTS

SECTION 1

GENERAL DESCRIPTIONS

1. OPERATING INSTRUCTIONS

1. REPLACEMENT OF MECHANICAL PARTS

1-1. Cabinet Replacement

1-1-1. Top Cover

1-1-2. HDD

1-1-3. Front Panel

1-1-4. RAM Dive

1-1-5. Rear Panel

1-1-6. Fan

1-2. PC Board Replacement

1-2-1. Tuner Unit PC Board

1-2-2. Digital PC Board

1-2-3. Mother PC Board

1-2-4. Power PC Board

1-2-5. Front (R), Front (L), and Front (Jack) PC Board

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. Integrated Circuit (IC)

2. Capacitor (Cap)

3. Resistor (Res)

4. EXPLODED VIEWS

4-1. Packing Assembly

4-2. Chassis Assembly

5. PARTS LIST

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

ZG45 FAN

RAM1 RAM DRIVE

HDD1 HDD UNIT

U05

Mother P

Boar

2 Power P

Boar

EU01 Digital PC Board

Board

2 Tuner

nit P

Boar

EU03A Front

(

)

PC Boar

EU03B Front (L)

PC Board

EU55 Front

(

Jack

)

Boar

SECTION 2

PART REPLACEMENT AND

ADJUSTMENT PROCEDURES

SECTION 2

PART REPLACEMENT AND

ADJUSTMENT 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

1-1. Cabinet Replacement

1-1-1. Top Cover

1. Remove seven screws (1), then remove the top cover (2).

Fig. 2-1-1

Screws (1)

Top cover (2)

1-1-2. HDD

1. Remove the top cover. (Refer to item 1-1-1.)

2. Remove two tapes (1).

3. Remove four screws (2).

4. Disconnect the flexible cable (3) and the connector (4).

5. Remove four screws (5), then remove the damper (7) and HDD (8) from the bracket (6).

Note:

• Attach the tapes (1) as they were after the HDD is replaced.

Fig. 2-1-2

Connector (4)

Screws (5)

Bracket (6)

Damper (7)

HDD (8)

Flexible

cable (3)

Damper (7)

Screws (2)

Tape (1)

Connector

Claw

Flexible

cable (3)

Damper (7)

1-1-3. Front Panel

1. Remove the top cover. (Refer to item 1-1-1.)

2. Remove the tape (1).

3. Disconnect two connectors (2) and two flexible cables (3).

4. Remove two screws (4), four claws, then remove the front panel (5).

Note:

• Attach the tape (1) as it was after the front panel is replaced.

Fig. 2-1-3

Connector (2)

Flexible cables (3)

Front panel (5)

Claws

Claw

Screws (4)

Tape (1)

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