Yamaha DVD-S1700B Service Manual download pdf (Page 23)

DVD-S1700

23

DVD-S1700

IC51: ADV7320KSTZ (MAIN P.C.B.)

Video encoder

CLKIN_A

CLKIN_B

HSYNC

VSYNC

BLANK

Y9–Y0

C9–C0

S9–S0

TIMING

GENERATOR

PLL

O

V

E

R

S

A

M

P

L

I

N

G

I

2

C

INTERFACE

D

E

M

U

X

STANDARD DEFINITION

CONTROL BLOCK

COLOR CONTROL

BRIGHTNESS

DNR

GAMMA

PROGRAMMABLE

FILTERS

SD TEST PATTERN

HIGH DEFINITION

CONTROL BLOCK

HD TEST PATTERN

COLOR CONTROL

ADAPTIVE FILTER CTRL

SHARPNESS FILTER

PROGRAMMABLE

RGB MATRIX

12-BIT

DAC

12-BIT

DAC

12-BIT

DAC

12-BIT

DAC

12-BIT

DAC

12-BIT

DAC

ADV7320/

ADV7321

05067-001

Simplified Functional Block Diagram

CLKIN_A

P_HSYNC

P_VSYNC

P_BLANK

S_HSYNC

S_VSYNC

S_BLANK

CLKIN_B

HD PIXEL

INPUT

SD PIXEL

INPUT

LUMA

AND

CHROMA

FILTERS

Y

CB

CR

TEST

PATTERN

DNR

GAMMA

SYNC

INSERTION

PS 8 u

HDTV 2u

RGB

MATRIX

SD 16 u

2 uOVER-

SAMPLING

DAC

DAC

DAC

DAC

DAC

DAC

F

SC

MODU-

LATION

CGMS

WSS

COLOR

CONTROL

DE-

INTER-

LEAVE

Y

CB

CR

DE-

INTER-

LEAVE

TEST

PATTERN

Y COLOR

CR COLOR

CB COLOR

TIMING

GENERATOR

TIMING

GENERATOR

CLOCK

CONTROL

AND PLL

4:2:2

TO

4:4:4

SHARPNESS

AND

ADAPTIVE

FILTER

CONTROL

05067-002

UV SSAF

V

U

Detailed Functional Block Diagram

V

DD

_

IO

Y0

Y1

Y2

Y3

Y4

Y5

Y6

Y7

V

DD

DGND

Y8

Y9

C0

C1

C2

C3

C4

I

2

C

ALSB

SDA

SCLK

P_HSYNC

P_VSYNC

P_BLANK

C5

C6

C7

C8

C9

RTC_SCR_TR

CLKIN_A

S_BLANK

R

SET1

V

REF

COMP1

DAC A

DAC B

DAC C

V

AA

AGND

DAC D

DAC E

DAC F

COMP2

R

SET2

EXT_LF

RESET

GND_IO

CLKIN_B

S9

S8

S7

S6

S5

DGND

V

DD

S4

S3

S2

S1

S0

S_HSYNC

S_VSYNC

ADV7320/ADV7321

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(Not to Scale)

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