BBK DV975S Manual de usuario

SERVICE MANUAL

DV975S

SW1 1

SW2 2

SW3 3

SW4 4

DO 5

DIN 6

VSS 7

CLK 8

STB 9

KEY1 10

KEY2 11

KEY3 12

KEY4 13

VDD 14

S1 15

S2 16

S3 17

S4 18

S5 19

S6 20

S7 21

S8 22

S10

S11

S12/G1

VEE

S13/G1

S14/G9

S15/G8

S16/G7

VDD

LED4

LED3

LED2

LED1

VSS

OSC

U401

UPD16312

C401

104

C403

101

C404

101

U402

HS0038A2

K403

K401

K402

D401

1N4148

-25V

GRID5

GRID4

GRID3

GRID2

GRID1

VCC

SEG11

SEG10

SEG9

SEG8

SEG7

SEG6

SEG5

SEG4

SEG3

SEG2

SEG1

VCC

VFDST

VFDCK

VFDAT

VCC

KEY1

KEY2

KEY3

KEY4

GND

SW4

SW3

SW2

MSW

GND

SEG12

SEG13

SEG14

SEG15

SEG16

VCC

KEY3

KEY2

KEY1

-25V

FIL+

FIL-

SEG1

VFDST

VFDCK

VFDAT

GND

C405

104

R415

100

CPU+3.3V

R405

33K

R401 33K

R402 33K

R403 33K

R404 33K

R406 1K

R407 1K

R408 1K

R409 1K

R410 1K

R411

33K

R412

33K

R413

33K

R414

33K

GRID6

GRID5

GRID4

GRID3

GRID2

FIL-

FIL+

SEG16

SEG15

SEG14

SEG13

SEG12

SEG11

SEG10

SEG9

SEG8

SEG7

SEG6

SEG5

SEG4

SEG3

SEG2

SEG1

R416

10K

VCC C406

101

R417

10K

VCC

TC401

100uF/16V

R418

10R

GRID1

GRID6

R430

330R

CPU+3.3V

SW1

R429

LED V402

8550

STB

CPU+3.3V

GP5

GP4

GP3

vdd

GP2 5

GP1 6

GP0 7

GND 8

U403

12C508A

R428

10K

R424

10K

ASTB

C408

104

STB

R423

10K

SW1

R419

10K

R427

10K

LED

V405

8050

R425

10K

R421

10K

R426

0R(DNS)

R420

R422

10K

TC404

100UF/10V

C407

104

D403

D402

TC403

22uF/16V

CPU+3.3V

XS402

XS06

ASTB

R432

330R

VCC

R431

LED1 V403

8050

R434

330R

R433

330R

LED402

LED

R436

330R

VCC

R435

LED2 V404

8050

LED403

LED

R438

330R

R437

330R

LED404

LED

LED405

LED

R440

330R

R439

330R

PLED

OLED1

LED1

LED2

LED3

F1 1

F1 2

P16 4

P13 7

P14 6

P15 5

P12 8

P11 9

P10 10

P9 11

P8 12

P7 13

P6 14

P5 15

P4 16

P3 17

P2 18

P1 19

NC 23

NC 24

NC 25

NC 26

5G 31

6G 32

1G 27

2G 28

3G 29

4G 30

F2 34

F2 35

NC 20

NC 21

NC 22

VFD401

VFD-35

XS401

XS07

1XS404

XS02

1XS403

XS02

OLED1

GND

OLED2

GND PLED

GND

SW1

OLED2

V406

PNP-A

R441

330R

R442

LED3

PLED1

VCC

1XS405

XS03

PLED1

U503

LM431A

C515

104

L505

10uH/1A

C506

102

L506

10uH/2A

BC501

~275V 104

L501

F501

T1.6A/250V

R510

4.7K

R509

2.7K

R508

10K

R506

330

R503

39K/2W

U502

2501

TC502

10uF/50V

TC501

47uF/400V

D505

HER107

C502

103/1KV

C503

101/1KV

L503

BC503

~400V 221

C513

101

C509

101

C514

101

C511

101

+9V

TC504

470uF/16V

TC511

100uF/16V

TC512

47uF/50V

TC505

1000uF/10V

TC509

1000uF/10V TC510

1000uF/10V

D508

HER105

C507

101

TC503

470uF/16V

R511

220R/1W

R507

R515

300

R501

680K 2W

GND

OUT 3

U504

LM7805

TC508

100uF/16V

SA+5V

D510 HER303

ZD501

5.1V

D509

SR303

D511

HER105

D512

HER105

TC513

100uF/16V

D503

1N4007

D502

1N4007

D504

1N4007

D501

1N4007

C508

104

-9V

ZD502

9.1V/1W

710

TR501

EI128/8-2

TC515

470uF/25V

D513

HER105

C516

101 R512

22K

R514

10K

R513

D514

1N4007

D515

HER203

+3.3V

STB

CPU3.3V

V502

2N5551

BCN501

~220V

R504

30K

R516

1.5K

D517

HER105

R502

1R/1W

C501

101/1KV

U505

IRFBC20

DRV 5

VCC 6

NC 7

HV 8

ADJ

GND

U501

NCP1200

R517

720K/1W

D507

1N4148

C517

104

CPU3.3V

A K

U506

MCR100-6

R518

10K

R520

10R/2W

L507 10uH/2A

TC506

1000uF/10V

C510

104

+5V

D518 HER303

D516 JUMPER

R521

100R

1/4W

ZD503

3.3V

TC516

47uF/50V

STB

CPU+3.3V

-21V

FL+

FL-

GND

+5V

CN502

XS06 2.5mm

+5V

+3.3V

CN501

XS07 2.0mm

VCC

CN503

XS08 2.0mm

CPU+3.3V

GND

+3.3V

SA+5V

GND

+9V

GND

-9V

FL+

FL-

-21V

C508

104

SW1

GND

K901 6x6x1

LED901

LED

PLED

GND

SW1

PLED1

XS901

XS04

PLED1

1XSA01

XS02

LEDA01

LED

OLED1

GND

OLED2

LEDB01

LED 2

1XSB01

XS02

123

123 456

R703 68R VIN

VCC

GND

JK705

OPTICAL

A5VV

AGND

VGND

LFE

L+

R+

L702

L701

L704

L703

L706

L705

C702

102

C701

102

C704

102

C703

102

C706

102

C705

102

C718

104

SPDIF

L712

FBSMT

L711

FBSMT

VIDEO_Y

VIDEO_C

C717

104

R714

150R C733

101

C732

47pF

L724

1.8uH

VGND

R713

150R C731

101

C730

47pF

L722

1.8uH

VGND

R709

150R C723

101

C722

47pF

L714

1.8uH

VGND

R710

150R C725

101

C724

47pF

L716

1.8uH

VGND

R711

150R C727

101

C726

47pF

L718

1.8uH

VGND

R712

150R C729

101

C728

47pF

L720

1.8uH

VGND

L713

L715

L717

L719

L721

L723

A5VV

VGND

A5VV

VIDEO_U

VIDEO_V

A5VV

VIDEO_C

VGND

VIDEO_Y

A5VV

VGND

VIDEO_COMP

A5VV

VIDEO_Y1

VGND

VD701

1N4148

VD702

1N4148

VD703

1N4148

VD704

1N4148

VD705

1N4148

VD706

1N4148

VD707

1N4148

VD708

1N4148

VD709

1N4148

VD710

1N4148

VD711

1N4148

VD712

1N4148

A5VV

VGND

SPDIF

GND

HSYNC#

VSYNC#

XS701

XS11

VGND

SACLK

SBCLK

SLRCK

SDATA0

SDATA1

SDATA2

SCL

SDA

VDATA3

GND

RESET#

R701 330R

C710

104 R702 91R

SPDIF

AGND

VIDEO_V

L709

FBSMT

L708

FBSMT

L707

FBSMT

VIDEO_Y1

VIDEO_U

VGND

GREEN

BLUE

RED

Y-

Pb-

Pr-

C714

20pF

C715

20pF

C716

20pF

JK702

AV2

JK701

AV2

1JK711

XS02

L710

FBSMT

VIDEO_COMP

R706

2.2R C721

20pF

VGND

C719

20pF C720

20pF

TC726

47uF/16V

XS703

CON08

CPU+3.3V

GND

+3.3V

SA+5V

GND

+9V

GND

-9V

JK704

V-OUT2

JK703

V-OUT2

1 2

JK706

S-VIDEO

JK707

CVOUT6

XS702

XS14P

A(B)OUT

A(A)OUT

RETURN

BLUE I/O

RETURN

GREEN I/O

RETURN

RED I/O

RETURN

V-OUT

GND

A(B)IN 2

A-COM 4

A(A)IN 6

FUNC SW 8

CONT 10

NC 12

RETURN 14

BLK I/O 16

TRTURN 18

V-IN 20

JK708

VJS3921

R707

A+10V

AGND

VGND VGND

R+#

L+#

CVBS

Pr-

Y-

Pb-

R774

4.7K

Q712

8050

R777

33R

R775

330R

R776

2.2K

+9V A+10V

VGND

VDATA3

Q711

8050

R773

R772

2.2K

HSYNC#

A5VV

VGND

A+10V

R778

75R

Q713

8050

C772

104

VGND

SA+5V

VSYNC#

VDATA3

CVBS

R+#

L+#

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