海尔le42wnd2中文维修手册

Service列列组T420HW0842应6率亮度Service列列组T420HW0842应6率亮度cd/mDK→BG→I率 项码项项码项码规产观图图产问产进术简产现产关产产说产进绍检结检产专软级调试场项例产维养识项误区产术数理92、93、理数图图图LE42WND21920*1080高分辨率;流系统; 产品型号产品型号项数图显图率亮 有用平均对Responsetime(Gto图图Angleof显显数静立立量量侧1AVAV侧 项数 软单频扫选调软历时图数率率频 净/带净项数 软单频扫选调软历时图数率率频 净/带净 产品型号项数/认认场内区产产42例42产结调试说明只供LE42WND2液晶电视机机芯调试调试对路进行检错漏漏当路路理须过计对则开错漏漏当路路理须过计对则数压标流进状态遥开键开进标状态遥节节键检节图应竖数码不图漏漏请索索测试遥调量对度亮度度锐度应检图时识别图检识别图 检频键显单应观应频图应时还检测为了击请不将雾场不对显伤权更产流压标说将流线标不将对不不将过湿热尘证良对流不将净软显线显请净湿进行请不雾状剂请不显显别亮红绿蓝许这现不不良显时显 静时留 残这损不当连时现不现别连脑时显不识别率软较杂现软问题不质坚这层层层这层层时时对不过为这层镀料不尽当度 留纹为为积累留尘不留纹杂理结计时不不更不这里误软镜纸来议专不镜纸来易伤娇对尘们专轻轻来说纹易这不 难题了为专维档镜软不伤时还静独别纸误误易显内这路路 误剂误来说剂不易来显层更显显这层层对显不良剂更不这剂对娇简灭击 不纸镜来劲为这易渍时伤专喷量略湿让渍不规格：T420HW08麦格规格：120WMP118TFL-3、机芯板：CVD_ITD04E

MP118T-

1OF

MP118T-

D

MP118T-5V

9.2机芯板原理 Indexof 12SYSTEMAUDIO3SYSTEMRivision45678 OG9SIS9561_DIGITALSIS9561 SIS9561SIS9561SiS9561USB& BA9

TDTC-

16

16

D

CPC-

CB

PowerDC-DC-DC-DC-

---- USB2.0*2 SD

IRTV

-->APL1117--DC--- -->V_1.5V_AUX-->RT9025--DC-DC--- ->AP1117--DC---

-->V_3.3V-->APL1117-- CON9V_5V_AUX closetopower 123456

7778910

XH-Stand-By

11

VINVIN

C194

V_5V_DC- 11

11

3636

K1%EC27C191C190

22

11

100n10n 4

LX

11

R190

1

FB

R186R1EC22C174 UPto5.25Vfor

22

15.4KR18710K

220uF00n

109

2MARK1MARK2MARK3

8

LX3FB

11

K C50

IN

1 4991

10uF100n OUT

10K1%BM1117-

111111111111 U32 SHIELD_PADSHIELD_PADSHIELD_PADSHIELD_PAD111111111111

7

VOUTADJ

IN

1 4991

5C201

NC

11.54K 1

OUTBM1084-

491K49

R1,C1leavePSUoffR127

R1261

21 2 D2 D2- D1 D1-

A_RX2_DPA_RX2_DNA_RX1_DPA_RX1_DNA_RX0_DP

NC

21 2 D2 D2- D1 D1-

B_RX2_DPB_RX2_DNB_RX1_DPB_RX1_DNB_RX0_DP

D0

A_RX0_DN

D0

B_RX0_DNCK+

A_RXC_DP */RV02_0p3*/RV02_0p3*/RV02_0p3 CK+

B_RXC_DP */RV02_0p3*/RV02_0p3*/RV02_0p3CKCE

A_SDA A_SCLA_SDA

A_RXC_DNA_ARC

*/RV02_0p3*/RV02_0p3*/RV02_0p3 CKCK-CERemote

B_SDA B_SCLB_SDA

B_RXC_DN_CEC B_ARC

*/RV02_0p3*/RV02_0p3*/RV02_0p3 DDCCLKDDCDATA17

A_SCL A_SDA

DDCCLKDDCDATA17

B_SCL B_SDA GND GND 3HPD

A_5VR258 A_5VDET11A_HPDR277*/1K

3HPD

B_5VR253 B_5VDET11B_HPDR273/1K

R276R257

NC A_HPD Pull-upto5VDET R237 R2364.7K

23

R272R252

B_HPD

R245 R2444.7K

ESDRV02

89891113151719

SIS_

V_5V_DC-7,12,16 SIS_I2CMA_SDA*/Header

AddRS232DebugDetectRS232_EN

R281

R261

R270

R280

R264

SIS_VGA_HSSIS_VGA_VS

PC-8

FB18FB19

C154

SIS_VGA_B

R303

VGA_WAKE_R

7 6

PC-

FB20

C150C123

SIS_VGA_GSIS_VGA_R

R304

PC- PC- PC- PC- PC-R284R283 R302 SIS_UARTA_TXDPC-

R301

C250*/470p

SIS_UARTA_RXD D49D48D51D50D52D53D54D55 D57ESDRV02ESDRV02 ESDRV02ESDRV02 PCAudio R305 CB12 RB8

SIS_VGA_SDASIS_VGA_SCL

V_5V_AUX5V_VGAR2684.7K 5 R306

CB9 RB7

SIS_AUI_R5SIS_AUI_L5

R249R2694.7KR263*/4.7K R267R266C253 VGA_SDAR299 47K

VGA_SCL 5

WP

GND

R292

FB10 C151

SIS_YPP_G1

L12

R1520C114

SIS_XAIY2

R181330

C149

SIS_YPP_SOG1

220n-->47n Y4

4

ESDRV02

CB4

RB55

R2940 FB1210/100M C15347n

SIS_YPP_B1

56

CB81u

RB6

SIS_AUI_L3SIS_AUI_R3

R220

C219 R296

FB6 C126

SIS_YPP_R1

R231

C224C

4

CB2 RB3

SIS_AUI_L1

*/47p

CB3 RB4ESDRV02 R243

FB7

C130

SIS_YPP_R2

5

SIS_AUI_R1

DVD

*/47p

R297 C256

SPDIF12 34

R241

FB1110/100MC152

SIS_YPP_B2

AdddividerResB4 7 9

CB14 RB10

SIS_AUI_L29*/PH-

R239

FB1310/100MC155

SIS_YPP_G2

R247

CB20C232

RB13 SIS_AUI_R2AL132

R180 C148R1450C102

SIS_YPP_SOG2 R248 C233A

C235

SIS_XAIY3 220p AddSideAV2

AIFDIF1

C161

TUNER_IFP16

DIF2IFAGCNCVTUB2(IFVCC)

IFAGC

NC谐振

TUNER_IFN14 SDA TUNER_SDA

SCLRFAGCB1(LOOP)

FB16FB0603

TUNER_SCL LG-TDTC-

ANTPWR

L10

11

22

C223

330

L11

111000u/10V

TOPTOP

SAWOUT23OUT13

R2091003 3

L9

C124

SIS_XAIY4 C218

R197

1 123456789123456789

220n-->47n

OUT133R223

C200 1n 1n

R309

C118

SIS_SIF

MONO 1u

1232 2

R2281

I2C (R1NC)(R1=

1u 45*/PH-

R22710K

12

DBG_BUS12R117100KTSDEM_ERRR115100K

4,12,16 R116DBG_BUS13R131

1L5166

DBG_BUS14R132100KDBG_BUS15R135100KDBG_BUS16R136100KDBG_BUS17R137

101010

*/2.2p

86864

1DBGSEL143TSBCLK4

TESTIO23TESTIO24VDD12_252TESTIO19TESTIO18TESTIO17

L4

8864 75754

TESTIO25TESTIO26VDD33_3

R140

TESTIO27SDASSCLS42

R14310

SDAMSCLMI2CINT

R13922R14222

RB19RB18

R155X2

1212323*/PH-

6IFAGC R144220

R138

FB4

11

11

IN 1 OUT1

100uF

R158R15910K1%10K1%

6

C134C135

IN

1 4991

11

6

MARK8

OUT

4.7K1%4.7K MARK5MARK6 */BM1117-

FB24

AVDD3P3_USB1P8AVDD3P3_USB2

FB26

FB28

FB35

Add4.7uF0603

FB23

FB29

FB33

og

FB27

Add退耦100n

FB25

FB22FB21

FB34FB32

FB31

FB36

RB200

AVDD1P2FB30

4

INOUT

11

DelFBtoV_1.2VChangeU21to1.2VFixedLDOForPQ-AdjustV_1.5V_AUX

Digital

T9U9

Add4.7uF0603

1CB41CB57CB521

CB33CB47 2 100n2 HP_R

5555

H3G3LINE_IN_R2G4

HP_LSPK_RSPK_LC3

SIS_SPK_RSIS_SPK_L 5 5

F4F3

LINE_OUT_L1

C7144

R118

E3LINE_IN_R4E4D4LINE_IN_R5D3CBA

LINE_OUT_R2G1LINE_OUT_L2CAMBUS

SPDIF

SIF

CSIS_SIF

SPDIF

SIS_TSD[0..7]B

TRANSPORT

SIS_TSCLKSIS_TSVLD

SIS_TSSYNC

DD

ECT29

SIS_VGA_RSIS_VGA_GSIS_VGA_BSIS_YPP_R1SIS_YPP_G1SIS_YPP_B1SIS_YPP_SOG1SIS_YPP_R2SIS_YPP_G2SIS_YPP_B2SIS_YPP_SOG2SIS_VGA_HSSIS_VGA_VS 6.04K

4 4

C556B

C106

KEY7

R134 B

POWER_KEY

R73

3 CH_BOOT3121234567823456

R74

2 8PH-

R56680 R55*/820 POWER_KEY R53 R52 R25627KD26 2 R275

499100nC236100n FORPLUGGING-IN

R234 R2355.6K R274 R2715.6K R182

X3

AB31

753753864RB24

3

IR

CODE_FLASH_WP_NR193R69 R185

0

SIS_I2CM_SCLR122SIS_I2CM_SDAR129

SIS_UARTA_TXDSIS_UARTA_RXDSIS_I2CMA_SCLSIS_I2CMA_SDA

R191

R17910KHW

4

A_SCL A_SDA B_SCL B_SDA

12

C175 77

CODEFLASH_WP_N

SO/SIO1

4

HP_MUTELINEOUT_MUTE

4WP#/ACCSCLK5

10K

SIS_VGA_SCLSIS_VGA_SDA

MX25L8005DM2I-

USBA_DPK4USBA_DN_

SIS_USBA_DPSIS_USBA_DNSIS_USBB_DPSIS_USBB_DN

SO SO CODE_FLASH_WP_AJ18

USB_REXTRB111K

7

USB_IBASRB126.04K

17171515

TX0P0TX0M0TX0P1TX0M1TX0P2TX0M2TX0P3TX0M3TX0P4TX0M4

R123R130

1511

AC1AC2

TXCLK0PTXCLK0M

1616

HVAGPIO342HVAGPIO35CVBS

TX1P0TX1M0TX1P1TX1M1TX1P2TX1M2TX1P3TX1M3TX1P4 TX1M4

E243

AG5SIS_LVDSB_CLKPAG6

TXCLK1PTXCLK1M

100n

VCCWPSCL

1

LV_SWING LVDS_SWINGR1066.04K

SDA

SOIC8

USERESETICFORTransientAC-OFF

*/330 R64

11

R202

PH-6543

7538753864

PWRBTN_N_AK24

0

2 1JTAG

11

C30C29C2800n22p22p

Nand

VCC1VCC2

50mAmax.

15

L1

3241

DNU7DNU6

15

N4

4243444847

DNU5DNU4DNU3DNU2DNU1

1515151515

M3N2RMIITXD0M2N1RMIITXD1

CLEALECEREWE

R102

151515

252423

WP6

R103

R2R4 21NC9NC/GND/R/B2 P3 5

CE238

P1SD_DAT0P2 421

VSS2

R1

B

80mA R11R164100n

B5B5789136

VDD AH28 R17R23

R2133SD_DET_R

MARK16

SD

DDR3_128MbX16_NT5CB128M16BP-

G7B2D9K2K8N1N9R1R9A1A8C1C9D2E9F1H2H9J1

DQ0DQ1DQ2DQ3DQ4DQ5DQ6DQ7DQ8DQ9DQ10DQ11DQ12DQ13DQ14DQ15UDMLDMUDQSUDQS#

G7B2D9K2K8N1N9R1R9A1A8C1C9D2E9F1H2H9J1

J9L1L9M7

LDQSLDQS#

J9 L1NC2 L9NC3M7

T7

A0N3

DDRB_MA14

A0 A1

B1B9D1D8

B1B9D1D8

A2 A3 A4 A5

E2E8F9G1G9A9B3E1G8J2J8

A5A6A7A8A10A11A12A13BA2

E2E8F9G1G9A9B3E1G8J2J8

M1M9P1P9T1T9T2

RAS#CAS#WE#CS#CKEODTCKCK#

CLOSETORB9100

M9P1P9T1T9VSS10T2

CLOSETORB25100

ZQ

R119240

R1572401%49.9

12

VREFCA

VREFCA

Current425mAmaxper 1K

1K

1K

1K

PUTECAPBETWEEN

2PUTECAPBETWEEN MARK12MARK14MARK11MARK13211

R33

13

66

AVDD33REGIN

FB2

131313

54327

AGND0AGND1

33

1313

222120

ISET R346.2KRT8201BL5.9KCL(CP)

1TD+

TX+16

122

SH12 1313

1918

IP101

27

TXCTRXCT

R10

1 MDI_RP

Set

R26

2324

R4449.9R4549.9

8

RX-

8

toRMII

464714

MDI_TNMDI_TPTEST_ON

R27

R3549.9R3749.9

C18

45

NC4NC3

R41R43R36R40

2

PHYAD0/LED0PHYAD1/LED1PHYAD2/LED2PHYAD3/LED3PHYAD4/LED4

AN_ENARESET_N

R25R24R22R19

100n

PHYaddressSettoDefault00001

45

IP101A

R30 RMII_RESET_N

FB1

L1FB0402HardwireConfigurationThisconfiguration

C14

X125MHz

R12

Enable:Autonegotiation,Fullduplex,100Mbps,LinkDownPowerSaving,RMIIinterfaceDisable:Isolate,RepeaterconnectedtoVDDorGNDdirectly.

AsclosetoIP101APin14as

AsclosetoIP101APin36asV_5V_DC-

FS1

R15

11

11

R14

RMII_EXT_CLK

112121212

OUTAINGNDOUTB

FS2

4 6

123

11

V_5V_DC-

*/PH-

VCCD-45D+45

VCCD-45D+45

12312121212

S1

D7

Placecloseto

S1

4PH- */0 D121212

13579

246 123123456789

TX0P0TX0P1TX0P2

D12121212121212

TXCLK0PTX0P3TX1P0TX1P1TX1P2TXCLK1PTX1P3

(1stC40C40C37C39C38(2nd121212C

Header

SIS_I2CMA_SDATX0P4TX1P4C

12

R149

2

PH-3B

21B

D

12

R164*/0R1621

R161

12

R90

Note:LeftC1NCifwantto ChangeR83-->100K,R78-->22KforChangeC42-->470nfor>0.5mSLCD_VCCONsequence 1010

C137C63

9

ChangeEC19,EC16220uF/16V--for5mmHeightNearCON7

C62

8

AMP_LOUT 11n1n1

3

AMP_ROUT

31

20-2V23.3V-6.4V 22

123412345 PH-C33

1

CC36

21R6321

1 1

12

1VDD2VSS

C44*/1uF

2121B

32

R98

R278

B

FB512

R84

31 3122

22

A

R100

12

R1011

3A3 111 2 3

C302

3 3

4

4

2 2 1u

FB61 4991

1244 445

S1OUT1

77

45C

JS-ID0801H-

6C RV02_USB

33

DP1DM1

123

1123

455

4*/PH-

R24

6 SSOP28V5

B

X1

PWREN1#OVCUR1#PWREN2#OVCUR2#

PGANG

RV02_USB

B

PSELFDVDDGND

PSELF FB7

121234234*/PH-

23456

FB8A

2.2uF 100n100n

A 12123452345D

4.7KDPH-SPK_INN

PVCCL1PVCCL0

C7220n 3 BSPL

220n

OUTPLPGND1OUTNL

330p 10 330p 10

10

C14

8

BSNLBSNR

C11220n/25VC15

23 45

10K

C26330pR1410

XH-

PGND0OUTPR

C28330pR1510

220n 1214

BSPRPVCCR1PVCCR0

C19

AMP 1 1

R10

Gain1Gain1 3

33K

LLH4

FB2

MARK5

11CON4- 470uF/35V470uF/35V 100n/50V100n/50V 11 给时开关亮不亮频图图进CVD_ITSI681图则进过内图理给显图过调来过频开关进行选择选择路对应频给扬 AMPPOWERUSBFUNCTION*notedasAMP+USBCARDFRONT12ComponentYLRSIDEAVSDLRMBINTERFACEAllconnectingplug-insrecognizetacitlythesquarepinasNo.1pin.ThepindefinitionalsoreferstoPCBAbottomsilkscreen.No.1pinof2.0/2.54mmpitchsocketsshowasbelowpicture:脚，如下图所示CON3(6PIN/2.0):IRBOARD1Power2RedLED3GreenLED45IR6+5VDCPowerCON4(8PIN/2.0):KEYBOARD1Power2ADCKEY1(SourceKey3ADCKEY1 Key4ADCKEY0(Channel+Key5ADCKEY0(Channel-Key6ADCKEY0(Volume+Key7ADCKEY0(Volume-Key8*Note1:Defaultkeyfunctionis mended,pleasedon’tchangeit.IfyouwantuseADCboard,youneedconnectpin2:K1_SOURCEandpin4:K0_CH+,andleavepin3,pin5-7open,pleasecontactourHWengineerfirstforreferencekeyboardapplicationcircuit.默认使用7线对地式按键板。如果需要接4线ADC电压采样式按键板，需要连接pin1:power地;pin2:ADC1；pin4:ADC0；pin8:GND，请们硬件工程师索要4线ADC电压采样式按键板参考原理图1PowerSupplyforPanel21PowerSupplyforPanel234No567LVDSODD0-8LVDSODD0+9LVDSODD1-LVDSODD1+LVDSODD2-LVDSODD2+LVDSODDClock-LVDSODDClock+LVDSODD3-LVDSODD3+LVDSEVEN0-LVDSEVEN0+LVDSEVEN1-LVDSEVEN1+LVDSEVEN2-LVDSEVEN2+LVDSEVEN3-LVDSEVEN3+LVDSJEIDAFormatselectionpinMainChipI2CMasterSCLMainChipI2CMasterSDALVDSODD4-LVDSODD4+LVDSEVEN4-LVDSEVEN4+*Note1:Pin31-40usedtosupport10bitPn31-40用来支持10位屏。默认支持8位屏，如果需要点10位屏，生产前请在敝司《客户确认书》“屏”一栏中注明。*Noe2:点大尺寸（26寸）JP19V。1ExternalAudioAMPMuteControlSignal1ExternalAudioAMPMuteControlSignal(Activelow2ExternalAudioAMPStandbyControlSignal(ActiveHigh3RightAudio45LeftAudio*Note1:ConnecttoHeroAMP+USB_CARD_V2CON3for2x10W(@8Ω)ExternalAudio若需要输出2x10W(8Ω)，请连接AMP+USB_CARD板12BrightnessAdjustmentforPanel ogVoltagedefault3Back-LightON/OFFControlfor*Note1:Ifyourpanelinverter controlsignal,pleasekindlynoticeus如果屏背光调节需要信号控制，请生产前通过《客户确认书》通知我们CON9(11PIN/2.54):POWERSUPPLYCONNECTOR1PowerModuleStandbyControlSignal(ActiveHigh2+5VStandbyPower3+5VPower45PanelPowerSupply6789+12VPower*Note1:Itispowersupplyconnectorforinternalpower大尺寸（≥26”）电源输入接口*Note2:PleaseconnectrightvoltagepowersupplyfrompowermoduleduetopanelyouPIN5-6用来选择屏电压输入，请根据屏选择连接电源板的12V/5V1USB5VPower2USB1USB5VPower2USBD-3USBD+4*Note1:ItisusedforUSBexpansion.itcanconnectanexternalUSB-HubModulewith3USBterminalinputand1InternalUSBport forUSB-WIFIorUSB-Camera.外接USB扩展板时，请连接此端子到AMP+USB_CARDCON4，此时主板J3USB端子将空贴。即整成主板1路+USB-HUB板3路共4路USB输入端子。连接线尽量短，并且USBD+/D-需要用地。AMP+USB_CARDBOARDINTERFACECON1(4PIN/2.54):AMPPOWERSUPPLY123PowerSupplyforAudioAMP4*Note1:TPA3110D2cansupport2x10W(8ohm,THD+N<10%@1KHz)with+24VpowerItsupports2x8W(8ohm,THD+N<10%@1KHz)with+12Vpower1AudioRightChannelPositive2AudioRightChannelNegative3Ground(LeaveNOconnectionto4AudioLeftChannelNegative5AudioLeftChannelPositiveCON3(5PIN/2.0):AMPAudioINPUT1ExternalAudioAMPMuteControlSignal(Activelow2No3RightAudio45LeftAudioCON4(4PIN/2.0):USBUPSTREAM1USB5VPower2USBD-3USBD+4*Note1:ConnecttoMBCON14.连接到主板CON14，要求连接线尽量短，并且USBD+/D-需要用地CON5(5PIN/0.8):USBCAMERA1+3.3VPowerSupplyforUSB2USBD-3USBD+45*Note1:Match海华科技AM-1H011USBCameramoduleCHYAOSHIUNNPartNumber:JS-ID0801H-5.SCHEMATICSOFIRBOARD&KEYThemodelSmartIRBoardistheIRsmallboard,OEMdesignedforHaierPhoto1:Board(FrontPhoto2:Board(BackProductTopBottomOutline问问简仅级维能否能否显不亮不显没 为图扬没线线图开113后盖拆1113后盖拆12电源盖板拆1个自攻螺钉GB818-85T3X8（鍍12电源盖板拆14、安装和拆卸工 LE42WND2拆卸1111底座4个螺钉GB818-M4X12（黑11底座3后盖拆10个螺钉GB818-85T3X7（黑鍍黑鋅6个自攻螺钉GB818-85M4X12（鍍黑鋅1414喇叭14喇叭 1515鍵板并向下拉3~5mm,然后15鍵板底座支撑的个螺钉GB818-M3X8（鍍白底座支撑的个螺钉GB818-M3X8（鍍白鋅16底座支撑的17机芯板、电源板及端子板的10个螺钉GB818-M3X8（鍍白鋅4个螺钉GB818-M3X8（鍍白鋅机芯板、电源板及端子板的扣屏铁件的个扣屏铁扣屏铁件的 板拆 板拆1个自攻螺钉 板拆2.0源开2.0源开关支架拆2个自攻螺钉2.0电源开关支架拆2.1电源板支2.1电源板支架,主板支架拆4个螺钉GB818-M3X8（鍍黑鋅3个螺钉GB818-M3X8（鍍黑鋅2.1电源板支架,主板支架拆2.2液晶2.2液晶屏拆2.2液晶屏拆2.3攝像2.3攝像头板拆2个螺钉GB818-M1.7x3.5（鍍白鎳2.3攝像头板拆净重(带底座)净重(不带底座)毛重(带底座)毛重(不带底座)净重(带底座)净重(不带底座)毛重(带底座)毛重(不带底座)净尺寸(带底座)装)mm净重毛重包装尺寸 普柜 高柜无备注:1电电检将连连调流进状态遥开键开进标状遥节节键检节图应竖数码不图漏漏请索索测试遥调量对度亮度度锐度时识别图检识别检检频显单应应频图应时还检测绝缘 检测试连开进行测试压 测试压漏流≤流线≥绝缘规测试测试压测试时 ≥检过老进稳状态进行调试开开关亮过老进稳状态进行调试协检图图行场显率漏现行场内扬觉显转 状 转分别阶检阶阶开状态对进行开关图PC状态检没烙 图显带状不显亮现显现计检查1024X768/60HZ显检静音，信号源，回看，静浏览检毕将图为标语语遥CVD_ITSI681U19,U26,U7,U32DC-DC类器件。 专专称规组T420HW085656CVD_IT5454遥54遥HTR-90机器软件升级调试工下用工下用前入来设的，0DMDM入工入工在非Android的输入源下就可以进入工厂模式 20.3工厂模白升升本按▲/▼键选择MISC，按确认键或者右键进入子菜单。选中USB或者SDcardUpdate按右键或者确认键就可以,请参考图二Step1:准备文件格式化U盘或者SD卡（注意：要使用USB2.0的U盘拷贝文件到U盘或SD卡的 （注意：不要解压出来文件名Step2:烧把U盘或者SD卡插入我们机器后边的USB插槽或者SD卡在TV或者下按上的 "+"8893"进入工厂模按的方向键中的""选中MIC(4个选项），然后按“确认”（请参考图二）如果你用的是UUSBupdate"SDcardupdate（请参考图三Step3（图三))Update或者SDcardUpdate按右键或者确认键就可以,请参考图四(图四ColorTemp是用来选择当前色Standard(标准)Cool(冷色调)User(用户模式)Warm(暖色调GammaTable(伽玛调整)就是设定预设的三种参参按▲/▼键选择Pctue，（图五24SINFRMION(显示软件版本（图六对这个机种的版本就是Kernel的版本.附图的版本是V1.3i.WISTRON 表示公司名称，６８１是ｃｈｉｐ型20205初始工厂按▲/▼键选择Pctue，MSCMISCllFactoryData作请参考图七。RecallInitialTuner是执行清空当前机器中的频道资料图图0的在MISC子菜单中（图七）选中CameraTest按右键或者确认键就可以执此功能工作正的话会头会工并显示头捕到的像在显示窗口中显示。这项功能可别头是否正常工作。00在MISC子菜单中（图七）选中Buninest（烧机模式唯一的方法就是按ｋｅｙｄ（按键板的开关键）附件 ParentParentPartPartP/S1CASEASSYFORLE42WND2_LEDTV_681_2D12IRRECEIVERBOARD8NS-FIGHI0-W31RFOR1AIRRECEIVERBOARDEBG-SMARTIR11-0002KEYPADMODULE8NS-FIGHK0-W31RFOR1AKEYPADMODULEEBF-SMARTKEY11FOR2LCDTVBDAMPANDUSBCARDF