讲稿创维电视

NANDNANDFLASH

33V电压产生电路

F-

DVB-

TUN25V

预中放

TV-图象声表声音声表TV-U15 地址

根据根据屏的供电可2TV-AV1

数据

数字音频

伴音音效伴音音效果处理数字伴音输出

亮对比度彩色处理

伴

开机上电缓冲电路关机自静音电路

数字数字功放

VCC

网

AC-DC

TS21TS21AUDIO

5V5V

CVBS_Out

Checkdemoboardbrandforwhichpackage

ClosetoMST

Closeto

DDC_SDA_DDDC_SCL_D

5

CDS2C16GTHCDS2C16GTH

ClosetoMST.

R25433RR255

VGA-TXR256VGA-RXR257

DDC

Hot-Plug

DDC

Hot-Plug

DDC

Hot-Plug

ForCECLeakage

ToMST

增加消除开机冲击声

开关机PDN

LOW-->Active(Output)

BB

1234

SCK-DDDD

D54EBEB

10KE2E

3 100AMP-CC3R3663

R328470K 2

3R3291K

BB

122

R367

R332+00K

+

C2C

EE

CC

R660

OUT3AOUT3B

10k

21

VSS-

15

0.47uF0.47uF

GND_REG

ClosetoMST.

OUT1AGND1VCC1OUTT1B

1nF

R342

I2C-

C253C254C25522pF22pF22pFI2C-

33

OUT2AVCC2GND2OUT2BVCC_REGVSSTESTMODE

0.47uF0.47uF

1

22

I2C-

SA

GND_SUB1

2

12

Wednesday,December23,

Y

Closeto

560pFKeepA_GNDtracewithKeepSpacingforL/Rcahnnel.Keeptracewidth(12mil+).

Audio

RCAAudioInput(ADCCVBS

Closeto

Note:ClosetoMST.SPDIF

KeepA_GNDtracewithSignal.KeepSpacingforL/Rcahnnel.Keeptracewidth(12mil+).

PCAudioEarphone

5D

G0-

1VCC 3 VCC5 GND7 GND9RA4+RA4-11 RA3-13RAC+RAC-15RA2+RA2-17RA1+RA1-

G1-

L49+

32327766545

D

G2-

19RA0+RA0-21GND 23 Mode DCR

G3- PANLE-DCRPANLE-

100nF

C

I2C-

R6-I2C-

27 GND29RB4+RB4-31RB3+RB3-33RBC+RBC-35RB2+RB2-37RB1+RB1-39RB0+RB0-41 GND43 SCL45GND

R7-I2C-

I2C-

Hi:OffLo:2Panel_ON-2

33

Q

CCON20X2-J20-

424286428642864286428642R/33R/04023R433R44R4533

BAxxx6_MSD3A10HX_Socket Panel 0

Wednesday,December23,2

12ndYPbPr

+ +

+ +

22

2222

+ +

1 1

5V_Normal11112511143610131

DADBDCDDVCCGNDEN

+ +

22

2222

++ ++

1

2323

1 1

111

+1

R435

2 USB0_D+R4364566

C

USBPowerControlHigh:PowerONLow:PowerOFFBVBUSD-

USBOTGsupport"Host":5V-"Device"Self-Pwr:Conn-5V(NC),5V- Bus-Pwr:Conn-5V->Sys&Chip*Detect:ByVBUSpin(int.GPIO=>EnableDPpull-up3.3VifHostD+GND

A

OTG1.1:MountOTG2.0:NC

2

Wednesday,December23,

1

Closeto

GNDADATA I/O 2468

ALRCLK

KeepA_GNDtracewithKeepSpacingforL/Rcahnnel.Keeptracewidth(12mil+).

12K/NC560pF/NC

USB1_D-0R647USB0_D- D1-

D2+0R649D1+ USB0_D+

TransferI2SforaudioCloseto

<RevC

RCACVBS

+

2 233

33

1

22

2Vp-++

AUDIO

Vref

VCC88

+C341

44

R469

32

1

C345

85 87464

Near

Groundinthemiddleofthe

Wednesday,December23,

ET_MDC-

25

AVDD33

ET_TXD1-ET_TX_EN-

266543

REGINREGOUTAGNDAGND

49.9R/1%49.9R/1%49.9R/1%

49.9R/1%49.9R/1%49.9R/1%ET_REF_CLK-

R4840RET_CRS-ET_RXD1-

7222120191816

ISETMDI_TP

R487

ET_RX_ER-

1

MDI_TNMDI_RP

SettoRMII

MDI_RNTEST_ON

1

12R4885.1k

37AN_ENA

AN_ENA

1

DPLX

7PHYAD1/LED1

PHYAD2/LED2

1

PHYAD3/LED3PHYAD4/LED4

ISOL

11

RESET_N

R489

SGND

C355ET_MDIO-ET_TXD1-ET_TX_EN-

ET_MDC-ET_MDIO-

1745

ET_REF_CLK-

ET_REF_CLK-

50MHzCLOCKGenerateby

+

*

LEDandPHYET_CRS-ET_RXD1-

ET_CRS-ET_RXD1-

ICC<

ThisschematicsetsPHYaddressuse25M

AsclosetoPin32as

AsclosetoPin8as

3 3

**Beadshouldbe cedasclosetoIP101AaspossibleandinthesamesideasIP101A.*:Optional

1

2

ascloseasto

AsclosetoIP101APin36aspossible

Pin48couldbeshortVDD33ifinterruptfuntionisnot

1

2

Ascloseto

1

2

Pin14as

100Act

Wednesday,December23,

10K10K

R509

12

AUX2UCAUX1UC

10K10K

11

BypassST8024(Justoptionfor

3

I/OUC

C369

66

2524C1X1R515

C1_DET

C1_DATAC1_AUX2C1_AUX1

RSTINCMDVCCPORADJVCCRSTCLK

3322

+

C371ST8024CDR

C372C373100pF100pFCON15

1

NormalNormal

+

R530

MMBT3906R5261 1

5

SM1_CLK

R528R52510K10K4324321

33

9

SM1_RST

C1X233

2

122

10K

5567

Custo

SM1_RST_IN SM1_RST_IN NC/0RC1_DET_NONC/0RC1_DET_NCNC/0RC1_RSTNC/0RC1_CLKNC/0RC1_DATA