Toshiba RD-XS34SB Bedienungsanleitung

HDD/DVD VIDEO RECORDER

SERVICE MANUAL

Feb., 2005

FILE NO. 810-200512

RD-XS34SB

RD-XS34SF

RD-XS34SG

DIGITAL VIDEO

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 SI 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 QSound Labs, Inc. 1998 2002. QXpanderTM is a trademark of QSound Labs, Inc. All

rights reserved.

·VideoPlus and VideoPlus Deluxe are the trademarks of Gemstar Europe, Ltd.

SECTION 2

PART REPLACEMENT AND ADJUSTMENT PROCEDURES

SECTION 3

SERVICING DIAGRAMS

1. CIRCUIT SYMBOLS AND

SUPPLEMENTARY EXPLANATION

1-1. Precau ions for Par Replacemen

1-2. Solid Resis or Indica ion

1-3. Capaci ance Indica ion

1-4. Induc or Indica ion

1-5. Waveform and Vol age Measuremen

1-6. O hers

2. PRINTED WIRING BOARD AND

SCHEMATIC DIAGRAM

3. BLOCK DIAGRAMS

3-1. Overall Block Diagram

4. CIRCUIT DIAGRAMS

4-1. Power Supply Circui Diagram

4-2. Fron Circui Diagram

4-2-1. Fron Jack Circui Diagram

4-2-2. Fron Circui Diagram (L/R)

4-3. Digi al Circui Diagram

4-3-1. Digi al 1 Circui Diagram

4-3-2. Digi al 2 Circui Diagram

4-4. Mo her Circui Diagram

4-4-1. Tuner In erface Circui Diagram

4-4-2. Timer Circui Diagram

4-4-3. Audio Circui Diagram

4-4-4. Video Circui Diagram

4-4-5. MSP Circui Diagram

4-5. Tuner Uni Circui Diagram

5. PC BOARDS

5-1. Fron Jack PC Board

5-2. Fron (L) PC Board

5-3. Fron (R) PC Board

5-4. Tuner Uni PC Board

5-5. Digi al PC Board

5-6. Mo her PC Board

CONTENTS

SECTION 1

GENERAL DESCRIPTIONS

1. OPERATING INSTRUCTIONS

1. REPLACEMENT OF MECHANICAL PARTS

1-1. Cabine Replacemen

1-1-1. Top Cover

1-1-2. HDD

1-1-3. Fron Panel

1-1-4. RAM Drive

1-1-5. Rear Panel

1-1-6. Fan

1-2. PC Board Replacemen

1-2-1. Tuner Uni PC Board

1-2-2. Digi al PC Board

1-2-3. Mo her PC Board

1-2-4. Power PC Board

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

2. WIRING CONNECTION DIAGRAM

2. LOCATION OF MAIN PARTS

2-1. Loca ion of Main Par s

2-2. Loca ion of PC Boards

SECTION 4

PARTS LIST

SAFETY PRECAUTION

NOTICE

ABBREVIATIONS

1. EXPLODED VIEWS

1-1. Packing Assembly

1-2. Chassis Assembly

2. 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

EU05 Mother PC board

EU02 Power PC board

EU01 Digital

PC board

EU82 Tuner Unit PC board

EU03A Front (R) PC board

EU03B Front (L)

PC board

EU55 Front (Jack)

PC board

1-1. Cabinet Replacement

1-1-1. Top Cover

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

Fig. 2-1-1

SECTION 2

PART REPLACEMENT AND

ADJUSTMENT PROCEDURES

Screws (1)

Rating label

Screws (1)

Top cover (2)

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.

any 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

Note:

There is a rating label applied on the top cover.

When the top cover is replaced with a new one, put a new rating label on the new top cover.

Transcribe the following items ( odel No., serial No., power supply/power requirement etc.) described on the old rating

label to the new rating label by using a permanent marker.

1-1-2. HDD

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

2. Peel off the tape (1).

3. Remove four screws (2).

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

5. Remove four screws (5) and four dampers (7), then remove the HDD (8).

Note:

• After replacing, attach the tape (1) to its original position.

Fig. 2-1-2

Dampers (7)

Damper (7)

HDD (8)

Tape (1)

Screws (5)

Screws (2) Screws (2)

Flexible

cable (3)

Connector (4)

HDD bracket (6)

1-1-3. Front P nel

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

2. Peel off three tapes (1).

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

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

Note:

• After replacing, attach the tape (1) to its original position.

Fig. 2-1-3

Flexible

cables (3)

Connector (2)

Tapes (1)

Screws (4) Front panel (5)

Claws Claw

Claw

1-1-4. RAM Drive

1. Remove the front panel. (Refer to item 1-1-3.)

2. Peel off three tapes (1).

3. Disconnect the flexible cable (2) and the connector (3).

4. Remove three screws (4), then remove the RA drive (5).

5. Remove four screws (6), then remove the RA drive bracket (7).

Note:

• After replacing, attach the tape (1) to its original position.

Fig. 2-1-4

Flexible cable (2)

Connector (3)

Screw (4)

Tapes (1)

Tape (1)

RAM drive (5)

Screws (6)

RAM drive

bracket (7)

1-1-5. Re r P nel

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

2. Peel off the tape (1).

3. Remove the screw (2), four screws (3) and five screws (4).

4. Remove two claws, then remove the rear panel (5).

5. Remove two screws (6), them remove the fan (7).

Note:

• After replacing, attach the tape (1) to its original position.

Fig. 2-1-5

1-1-6. F n

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

2. Peel off the tape (1).

3. Remove the connector (2).

4. Remove two screws (3), then remove the fan (4).

Note:

• After replacing, attach the tape (1) to its original position.

Screw (2)

Screws (4)

Screws (3)

Tape (1)

Screws (6)

Rear panel (5)

Fan (7)

Hexagonal nut

Claw

Screws (3)

Connector (2)

Fan (4)

Tape (1)

Hexagonal nut

Fig. 2-1-6

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