Toshiba D-R5SC Manuale utente

DVD VIDEO RECORDER

SERVICE MANUAL

Mar.,2006 GREEN

FILE NO. 810-200602GR

D-R5SC

D-R5SU

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.

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

·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.

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

CONTENTS

1. LOCATION OF MAIN PARTS

1-1. Location of Main Parts

1-2. Location of PC Boards

2. WIRING CONNECTION DIAGRAM

3. PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM

4. BLOCK DIAGRAMS

4-1. MPEG & SYSTEM Block Diagram

4-2. Power Supply Block Diagram

5. CIRCUIT DIAGRAMS

5-1. Power Supply Circuit Diagram

5-2. Front Display & Power Switch Circuit Diagram

5-3. Audio & Video Tuner Circuit Diagram

5-4. Digital Circuit Diagram

5-4-1. Audio Output Circuit Diagram

5-4-2. Decorder & SDRAM Circuit Diagram

5-4-3. HDMI Circuit Diagram

5-4-4. Audio & Video Input Circuit Diagram

5-4-5. 1394 Circuit Diagram

5-4-6. Encoder & SDRAM Circuit Diagram

5-4-7. ATAPI Interface Circuit Diagram

5-4-8. Power Supply Circuit Diagram

5-4-9. Video Output Circuit Diagram

6. PC BOARDS

6-1. DV/AV Input PC Board

6-2. Power Switch PC Board

6-3. Front Display PC Board

6-4. AV Tuner Unit PC Board

6-5. Digital PC Board

7. EXPLODED VIEWS

7-1. Packing Assembly

7-2. Chassis Assembly

8. PARTS LIST

1. LOCATION OF MAIN PARTS

1-1. Location of Main Parts

Fig. 1-1-1

1-2. Location of PC Boards

Fig. 1-1-2

RAM DRIVE

Power PC board

AV Tuner Unit PC board

Front Display PC board

Power Switch PC board

DV/AV Input PC board

Digital PC board

2. WIRING CONNECTION DIAGRAM

After the servicing is complete, return the wiring to its original state by using the diagram below as a reference.

Fig. 2-2-1

: Flexible cable

: Tape

Tape

W804

W802

Power PC board

AV Tuner Unit PC board

W301 W303

Digital PC board

W501

W106

W105

W107

W101

W803

W104

Tape

Power Switch PC board

DV/AV Input PC board

RAM Drive

Front Display PC board

3. PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM

Fig. 3-3-1

CN802

CN803

CN804 CN301

CN302

CN303

CN501

CN503

CN504

CN507

CN508

CN509

CN103

CN104CN105

CN106

CN107

CN108

CN101

CN102

W101

W501

Digital

Power AV-TUNER

DV/AV INPUT

Power Switch

Front Display

Mechanism

W802

FLAT WIRE 2.54 9P

W107

FLAT WIRE 2mm 4P

FLAT WIRE 2mm 9P

W104

W105

W106

FLAT WIRE 2mm 9P

FLAT WIRE 2mm 6P

W804

FLAT WIRE 2mm 4P

W803

FLAT WIRE 2mm 6P

W301

W303

FLAT WIRE 1mm 16P

FLAT WIRE 2.54 8P

ON/OFF 5V

+3.3 V

+33 V

GND

AP+12 V

AN-12 V

ON/OFF 5V

+3.3 V

+33 V

GND

AP+12 V

AN-12 V

M+12 V

M+5 V

GND

Back up

P-ON

EVER+5 V

ON/OFF 5V

AP+12 V

AP-12 V

+3.3 V

GND

A IN L

A IN R

GND

A L TV

A R TV

VFV

SAP MUTE

AFC OUT

SDA

SCL

CVBS IN

V-GND

SY IN

SC IN

STB

CLK

DATA

GND

HOST RESET

GND

TPBI-

TPBI+

TPAI+

TPAI-

Y-F

GND

C-F

CVBS-F

AR-F

AL-F

GND

KS3

KEY2

LED+

DRVRST-

GND

ATCDD7

ATCDD8

ATCDD9

ATCDD10

ATCDD11

ATCDD12

ATCDD13

ATCDD14

ATCDD15

GND

ATCD MARQ

ATCD IOW-

ATCD IOR-

ACTIOR DY

ATCD MACK-

ACTINITRQ

ATCDA1

ATCDA0

ATCDA2

ATCCSO-

ATCCS-

GND

ATCDD0

ATCDD1

ATCDD2

ATCDD3

ATCDD4

ATCDD5

ATCDD6

STB

CLK

DATA

GND

HOST-RESET

KEY2

KEY4

POWER LED+

FLAT WIRE 0.5mm 40P

4. BLOCK DIAGRAM

4-1. MPEG & SYSTEM Block Diagram

Fig. 4-4-1

ZR35100-PQCG

ENCORDER

BA7607

BA7653

WM8776

<BGA>

ZR35162-BGCG

ISO I/F HOST I/F

1394

128M SDRAM

32M FLASH

Main Cpu(Decorder)

ZR36750-BGCG-V

WM8776

HDMI

Driver

TUNER

EEPROM

FRONT

AN5832

32M CLOCK

27MHZ

Digital Video Output

SBREQ

SBDAT

SBVALID

SBCLK

SERIAL BITSTREAM OUTPUT

Video

Audio

Digital Audio Out

Y/C Out

Y/U/V Out

CV BS Out

Digital Video I/F

HDMI Out

SPD IF

ADCMCLK

ADCBLCK

ADCLRCK

DOUT

TV-CVBS

L/R IN

REAR

FRONT

Video

Y/C

Video

Y/C

REAR

ADC

FR .Y/C IN

CVBS IN

Digital Audio I/F

DAC

L OUT

R OUT

CVBS

SIF

IC502

IC503

IC504

IC505

IC507

IC511

IC506

IC517

IC518

IC513 1/2

IC513 2/2

IC516

IC510

U24

U301

IC509

JC101

J503

SPI

DV INPUT

<BGA>

I C

: : :

ZR35162

RF In

CV BS

Y/C

Y/U/V OUT

J501

J502

DAV-WR532

4558

IC514

SPDIF-OPTICAL

J504

TV CVBS

AFC OUT

4-2. Power Supply Block Diagram

Fig. 4-4-2

RECTIFIER

SMOOTHING

AC FILTER

SW IC

CONTROL IC

TRANS

PHOTO

COUPLER

5V SW

32V SW

12V SW

POWER ON SIG

AC 100-120V

50/60Hz

L101

D101-D104 C105

D107 C109

IC101

Q101

T101

D301 C301

D201 C201

D401 C404

D403 D404

D601 C601

PC101

AP+12V

+32V

3.3V

AN-12V

ON/OFF A+5V

PHOTO

COUPLER

ADJUST

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