Skyworth 8D18 Schematic

2009

1 8D18 2 8H11 4 8K21 5 8K22

6 8M68 8M72 8M73

7 8DA5

8

9 ABS-S

8D18

,8D18SVP-QX88LED SVPQX88 1920*1080, 60HZ 120HZ ME/MC

, WT61P7 MCU MCU QX88 , 416*16DDR2800M bps/pin4M*8(SPONSION) FLASHST IC8357,ST

335BW

:AV1\AV2\AV3\TVMONO\HDMI\USB

: HDMIAVYPBPRAVSVGA

TI ,8D182 ,

CBT3257( PI5V330) 120HZ

, LVDS

B.Mcu WT61P7

C.QX88

D.DDR2

E.FLASH

F.HDMI PS331

G.IC 8357 335BW

I . J.

A ( )

( ) 3 :5VSB 12V 24V :

1 Standby

2 12V DC-DC 5V 33V

3 5V DC-DC 1V

B MCU WT61P7

MCU ,IR , LVDS_PWR MCU QX88

MCU14/15 , MCU_TXD1 MCU_RXD1

12/13 , 9 IR, 17/19 4439 LVDS_PWRLVDS 32

MCU WT61P7

:

5VS , LDO1084 3.3VSB

MCU WT61P7,MCU AP1701 AX6901, 9 17/19,MCU 44, 12V 24V MCU 32 QX88, QX QX QXLVDS :

C QX88

QX88 BGA90nm QX88

C QX88

QX88 3D ME/MC Deinterlace,Scaler

10BIT LVDS ICQX CPU , CPU MCU WT61P7 , MCU QX :

C QX88

•,TV CVBS1 , D1 S Y_G3 C, 1/ 2/ 3 PB_B3/FS1/FS2 75 0.1UF 1/2

Y_G1,PB_B1,PR_R1/Y_G2,PB_B2,PR_R2 VGA RGB PC_R/PC_G/PC_B ,

PC_HS/PC_VS

•HDMI ,

YPBPR ,

CBT3257(PI5V330) 2 :

, IR_EN

BKLT_CNTL ,LIGHT_SENSOR

,BKLT_CNTL,

, :, , 2.5V-3.2V,QX LIGHT_SENSOR ,

, BRT_PWM PWMPWM(60%* +40%* ):

BRT_CNTL

0V-3.3V, QX_88 BRT_PWM

LVDS

, QX88

10 BIT LVDS 120HZ

5 TA1+/TA1-

…TE1+/TE1-, 4 TCLK+/TCLKLVDS, ,1.2V

D.DDR2

•8D18 416*16BITDDR2 SDRAM SDRAM 400M, 800MbpsFBGA , ,1.8V