Toshiba RD-85DTSB Manual de usuario

HDD/DVD VIDEO RECORDER

SERVICE MANUAL

Apr., 2006 GREEN

FILE NO. 810-200646GR

RD-85DTSB

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. CIRCUIT SYMBOLS AND SUPPLEMENTARY EXPLANATION

1-1. Precautions for Part Replacement

• In the schematic diagram, parts marked (ex.

F801) are critical part to meet the safety regulations, so

always use the parts bearing specified part codes (SN)

when replacing them.

1-2. Solid Resistor Indication

Unit None ........... Ω

K ........... kΩ

M ........... MΩ

Tolerance None ........... ±5%

B ........... ±0.1%

C ........... ±0.25%

D ........... ±0.5%

F ........... ±1%

G ........... ±2%

K ........... ±10%

M ........... ±20%

Rated Wattage (1) Chip Parts

None ......... 1/16W

(2) Other Parts

None ......... 1/6W

Other than above, described in the Circuit Diagram.

Type None ........... Carbon film

S ........... Solid

R ........... Oxide metal film

M ........... Metal film

W ........... Cement

FR ........... Fusible

Symbol

........... Electrolytic, Special electrolytic

........... Non polarity electrolytic

........... Ceramic, plastic

........... Film

........... Trimmer

Unit None ........... F

µ........... µF

p ........... pF

Rated voltage None ........... 50V

For other than 50V and electrolytic capacitors,

described in the Circuit Diagram.

Tolerance (1) Ceramic, plastic, and film capacitors of which

capacitance are more than 10 pF.

None ........... ±5% or more

B ........... ±0.1%

C ........... ±0.25%

D ........... ±0.5%

F ........... ±1%

G ........... ±2%

(2) Ceramic, plastic, and film capacitors of which

capacitance are 10 pF or less.

None ........... more than ±5 pF

B ........... ±0.1 pF

C ........... ±0.25 pF

(3) Electrolytic, Trimmer

Tolerance is not described.

Temperature characteristic None ........... SL

(Ceramic capacitor) For others, temperature characteristics are

described. (For capacitors of 0.01 µF and

no indications are described as F.)

Static electricity capacity Sometimes described with abbreviated letters as

(Ceramic capacitor) shown in Eg. 3.

1-3. Capacitance Indication

100k

Rated Wattage Type Tolerance

Eg. 1

104

10x10

pF (0.1µF)

Temperature characteristic

(or Temperature characteristic+

Static electricity capacity tolerance)

Eg. 3

100µ

Temperature

response

Rated

voltage

Tolerance

Eg. 2

Fig. 3-1-1

Fig. 3-1-3

Fig. 3-1-2

• Using the parts other than those specified shall violate

the regulations, and may cause troubles such as

operation failures, fire etc.

SECTION 3

SERVICING DIAGRAMS

SECTION 3

SERVICING DIAGRAMS

1-4. Inductor Indication

Unit None ........... Η

µ........... µH

m ........... mH

Tolerance None ........... ±5%

B ........... ±0.1%

C ........... ±0.25%

D ........... ±0.5%

F ........... ±1%

G ........... ±2%

K ........... ±10%

M ........... ±20%

1-5. Waveform and Voltage Measurement

• The waveforms for CD/DVD and RF shown in the

circuit diagrams are obtained when a test disc is

played back.

• All voltage values except the waveforms are expressed

in DC and measured by a digital voltmeter.

1-6. Others

• The parts indicated with "NC" or "KETU" etc. are not

used in the circuits of this model.

Eg. 4

Eg. 5

Fig. 3-1-4

Fig. 3-1-5

Type name

10µ

Type Tolerance

2. PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM

Fig. 3-2-1

RF-Cavble-85DT

23 23

22 22

21 21

20 20

19 19

18 18

17 17

16 16

15 15

14 14

13 13

12 12

11 11

10 10

GND

TDI

TMS

TRSTB

TCK

TDO

DINT

RST

GND

3.3V

TXD

RxD

GND

Green (Y)

GND

Audio R

CN711

GND

3.3V

FLSSHW-X

CTS2

ON/OFF +3.3V ON/OFF +3.3V

POWER_ON0

NRST

GND

IRQ

Audio L

CN309

RED (C)

EVER +6V

GND

EVER+3.5V EVER+3.5V

GND GND

GND

EVER +6V

VKK VKK

ON/OFF +12V ON/OFF +12V

GND GND

CPU5V

ON/OFF +32V ON/OFF +32V

EVER12V EVER12V

GND GND

EVER +5V EVER +5V

W103

OPEN/CLOSE

RMT

E+5V

OPEN/CLOSE

RMT

E+5V

W103A

DRI_CS

DRI_SCK

DRI(T-D)

DRI(D-T)

GND

+5V

ON/OFF +3.3V

GND GND

ON/OFF +3.3V

B-B

C-OUT

+5V

CN804

+12V

GND

REC_LRCK

REC_BCK

-/SC

RTS(T-R)

RXD(R-T)

V-GND

A-GND

CTS(R-T)

CV/SY

REC_DATA

A-GND

ON/OFF1.5V

GND

U/V_VIDEO

TXD(T-R)

GND

CN708

V-GND

ON/OFF1.5V

Y-OUT

V-GND

CR-OUT

B-B

A-GND

PB-BCK

PB-ACK

REC-ACK

IEC958

DA0

RESETX

GND

+5V

CS1X

DASPX

GND

DIORX

GND

IORDY

CSEL

DMACKX

CS0X

GND

INTRQ

DA1

DATA0

CS1X

DA2

DASPX

DMARQ

GND

DIOWX

PDIAGX

IOCS16X

GND

DATA15

GND

DATA11

DATA3

DATA12

DATA2

DATA13

DATA1

DATA14

DATA9

DATA5

DATA10

DATA4

GND

DATA7

DATA8

DATA6

IORDY

SPSYNC

DMACKX

12V(YELLOW)

GND(BLACK)

5V(RED)

DATA6

DATA9

DATA5

CS0X

GND

INTRQ

IOCS16X

DA1

DA0

DA2

PDIAGX

DATA10

RESETX

GND

DATA7

DATA8

DRI_CS

DRI_SCK

DRI(T-D)

CN310

DRI(D-T)

CN201

PWR_LED

GND

RMT

DATA4

DATA11

DATA3

DATA12

GND

DRI(D-T)

GND

DIOWX

GND

DIORX

V-GND

SPIDA

CY-OUT

DATA2

DATA13

DATA1

DMARQ

DATA14

DATA0

DATA15

GND

RSV

Vkk-31V

CN805

GND

FL+5V

EVER+5V

FL(-)

CN771

POWER_ON0

ON/OFF +5V ON/OFF +5V

GND GND

FL(+)

GND

POWER GOOD

A-GND

PB-DATA

A-GND

PB-LRCK

CN307

FAN +12V

FAN GND

CN802

REC_BCK

REC_DATA

CN302

CN308

C-OUT

D_GND

D+1.5V

CB-OUT

Y-OUT

D+5V

12V(YELLOW)

GND(BLACK)

5V(RED)

EVER+3.5V

POWER GOOD

CPU5V

CB-OUT

V-GND

SPIDA

CY-OUT

V-GND

SPICK

DRI_SCK

DRI(T-D)

GND

OUT0

KEY2

TRAY_SW

KEY1

DRI_CS

B-B

ON/OFF3.3V

GND

ON/OFF3.3V

GND

ON/OFF1.5V

GND

ON/OFF5V

GND

TPO+

TPO-

D_GND

D+3.3V

D_GND

TXD(T-R)

U/V_VIDEO

D+1.5V

D_GND

GND

TPI+

TPI-

GND

V-GND

CTS(R-T)

D-GND

REC_LRCK

-/SC

RXD(R-T)

V-GND

D-GND

D_GND

D+3.3V

CV/SY

RTS(T-R)

D+1.5V

D_GND

CN770

V-GND V-GND

CR-OUT

V-GND

A-GND

V-GND

SPICS

V-GND

SPICK

V-GND

A_CS1

A_DA2

A_CSQ

D_GND

A_DINTRQ

A_DA1

D_GND

A-GND

PB-BCK

A-GND

PB-DATA

A-GND

A_DA0

D_GND

A_IORDY

D_GND

A_DMACK

D_GND

A_DIOW

D_GND

A_DIOR

A_DD15

D_GND

A_DMARQ

A_DD13

A_DD1

A_DD14

A_DD0

A_DD11

A_DD3

A_DD12

A_DD2

B_DMACK

D_GND

B_DA0

B_DA1

B_DINTRQ

D_GND

B_DMAREQ

B_DD1

B_DD14

B_DD0

B_DD15

B_DD3

B_DD12

B_DD2

B_DD13

D_GND

A-GND

B_DD5

B_DD10

B_DD7

B_DD4

B_DD11

B_DD8

B_DD6

B_DD9

B_DA0

D_GND

B_DA2

B_CS0

B_CS1

B_DASP

B_DINTRQ

B_DA1

B_IORDY

B_DMACK

D_GND

BDIOW

B_DIOR

D_GND

B_DMARQ

D_GND

B_DD1

B_DD14

B_DD0

B_DD15

B_DD3

B_DD12

B_DD2

B_DD13

DRESETB

D_GND

B_DD7

B_DD8

B_DD6

B_DD9

B_DD5

RESETX

B_DD10

B_DD4

B_DD11

CNA02

GND

DATA7

DATA8

DATA6

DATA9

DATA5

DATA10

DATA4

DATA11

DATA3

DATA12

DATA2

DATA13

DATA1

DATA14

DATA0

DATA15

GND

RSV

DMARQ

GND

DIOWX

GND

DIORX

GND

IORDY

SPSYNC

DMACKX

GND

INTRQ

IOCS16X

DA1

B_CS0

B_CS1

D_GND

B_IORDY

B_DIOR

D_GND

B_DIOW

B_DA2

D_GND

CS1X

DASPX

PDIAGX

DA0

DA2

CS0X

D_GND

A_DD7

Video_COMP

CN301

A_DD8

A_DD6

A_DD9

A_DD5

A_DD10

A_DD4

GND

D_GND

A_DRESET

CN306

Video_C

GND

CN702

Audio_R

Video_Y

GND

Audio_L

Video_COMP

CN803

PB-ACK

PB-LRCK

IEC958

SPICS

B_DRESET

V-GND

A-GND

FL(+)

FL(-)

CN101 CN701

Vkk

GND

EVER+5V

REC-ACK

FL+5V

GND

W102

GND

Video_C

2S_SW

GND

2S_SW

GND

W101

Audio_R

GND

Audio_L

GND

Video_Y

GND

GND GND

CN703

EVER+3.5V

CPU+5V

CN710

GND GND

POWER_ON1 POWER_ON1

GND

W104

TRAY_SW

RMT

SCAN1

KEY2

KEY1

DRI_SCK

SCAN0

GND

E+5V

PWR_LED

SCAN1

DRI(T-D)

DRI(D-T)

HIZ

RxD

NON

TxD

OUT1

OUT0

DRI_CS

CN713

CNA01

+12V

NON

GND

WriteEnable

TimerReset

OUT1

SCAN0

3.3v

GND

3.3v

GND

PL202

2.5V

30V

12V

GND

Green (Y)

GND

PL106

PL200

MEMO

W104 15

W102 7

W103 8

TYPE Pin

W101 PARALLEL CABLE

PARALLEL CABLE

W202 4

W007 FFC 40

W006 FFC

CN712

30V

2.5V

Audio R

GND

RED (C)

12V

GND

LEADS CABLE

CN311

W108

W112

W114

GND

W203 6

W111 3

W113 7

WB01 2

IRG

RF IN

RFOUT

FR OUT

FR IN

Audio L

PL101

CN714

GND GND

RxD2

A_CS1

GND

W006

W007

FAN

LEADS CABLE

FRONT R

EU03A

FRONT L

EU05

MOTHER

EU01 DIGITAL

EU02

POWER

PARALLEL

CABLE

PARALLEL

LEADS

CABLE

RAM DRIVE

HDD

ATAPI-UNIT

PARALLEL

W101

W104

FRONT JACK

EU03B EU03C

W102

W202

LEADS

CABLE

W103

W203

LEADS

CABLE

FFC

LEADS CABLE

B-B

W113

W112

W111

W108

LEADS CABLE

WB01

LEADS CABLE

(Tokyo sinbon)

W114

DTV1

DTT

Fig. 3-3-1

3. BLOCK DIAGRAMS

3-1. Overall Block Diagram

FL_Tube

FRONT PANEL UNIT

DC FAN

AC IN

AC230-240V 50/60Hz~

Audio LPF

&Amplifier

ANALOG

CIRCUIT

Lch

Rch

R.S

POWER_UNIT

12.5MHz

27MHz

32.768KHz

4MHz

KEY

VIDEO / AUDIO

ANALOG

CIRCUIT

LV7107M

1/2

VIDEO / AUDIO

ANALOG

CIRCUIT

LV7107M

2/2

OUT

S Video

Video OUT

Audio OUT

COMPOSITE

Video OUT

INTERRACE/PROGRESSIVE/

COLOR DIFFERENCE

Video OUT

Coaxial

DIGITAL.OUT

DVD RAM/RW Drive

160GB Hard DisK Drive

INPUT

Line Selector

Digital Tuner

DTT7144

uPD61175F1

FRAME SYNC

ENCODE

ENCRIPT

ATAPI DRV

DECRIPT

DECODE

GRAPHIC

NTSC ENCODE

MAIN CPU

SET-TOP BOX

DECORDER

STi5518

Audio

AD Converter

AK5357ET

Audio

D/A Converter

PCM1755

256Mbit

DDR SDRAM

64kbit

EEPROM

64Mbit x 2

FLASH ROM

OUT

AV-1

AV-2

AV_2

IN_2

VHF/UHF

FL_Driver

PT6315

Timer CPU

uPD784225Y

24.576MHz

27.0MHz

S-in

CV-out

CV/S/RGB-in

Video-in

CV/S/RGB-out

Audio-in L/R

Audio-out L/R

Audio-in L/R

Audio-out L/R

MPN5114

Type: DAV-WR532

Digital Board

Mother Board

Digital Tuner Module

IC313,IC316

IC311,IC312

IC314,IC315

IC901

IC700

IC101

IC305

IC904

IC301

ICX01

Fig. 3-4-1

4. CIRCUIT DIAGRAMS

4-1. Power Supply Circuit Diagram

TINU

PUSR

411

PM:epyT

4-2. Front Circuit Diagram

4-2-1. Front Jack Circuit Diagram

Fig. 3-4-2

4-2-2. Front Circuit Diagram (R)

Fig. 3-4-3

4-2-3. Front Circuit Diagram (L)

Fig. 3-4-4

Fig. 3-4-5

4-3. Digital Circuit Diagram

Tantalumcapacitor

It is arranged so that B0.1 and CH100P may become pairs.

Tantalumcapacitor

Case ground

Place these parts together.

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