background image

1

1

2

2

3

3

4

4

5

5

6

6

7

7

8

8

9

9

10

10

11

11

12

12

13

13

14

14

15

15

16

16

D

D

C

C

B

B

A

A

CT23

39pF-0402-NPO-±5%-50V

CT9

39pF-0402-NPO-±5%-50V

GND

GND

GND

GND

GND

CT15

0.1uF-0402-X5R-±20%-16V

GND

3V3_Tun

CT17

1000pF-0402-X7R-±10%-50V

DT1

KAV99

GND

CT2

1000pF-0402-X7R-±10%-50V

CT19

1000pF-0402-X7R-±10%-50V

CT25

陶瓷电容

,CAP MC,50V,47pF,±5%,NPO,0402,SMD,TP

LT4

叠层电感

,HF Inductor,270nH,±5%,0402,SMD,SDCL1005CR27JTDF,Sunlord

GND

GND

CT24

150pF-0402-NPO-±5%-50V

LT9

SDCL1608CR22JT(F)

LT5

叠层电感

,HF Inductor,270nH,±5%,0402,SMD,SDCL1005CR27JTDF,Sunlord

LT6

叠层电感

,HF Inductor,270nH,±5%,0402,SMD,SDCL1005CR27JTDF,Sunlord

LT3

叠层电感

,HF Inductor,270nH,±5%,0402,SMD,SDCL1005CR27JTDF,Sunlord

LT7

叠层电感

,HF Inductor,270nH,±5%,0402,SMD,SDCL1005CR27JTDF,Sunlord

GND

RF_INPUT

RT1

4K7ohm-0402-±5%-1/16W

RT13

4K7ohm-0402-±5%-1/16W

RT14

100ohm-0402-±5%-1/16W

RT15

100ohm-0402-±5%-1/16W

Tun_IFN_IN

Tun_IFP_IN

RT12

51ohm-0402-±5%-1/16W

RT10

51ohm-0402-±5%-1/16W

CT27

0.1uF-0402-X5R-±20%-16V

CT32

0.1uF-0402-X5R-±20%-16V

CT21

33pF-0402-NPO-±5%-50V

CT22

33pF-0402-NPO-±5%-50V

GND

GND

Tun_IFN_IN_IC

Tun_IFP_IN_IC

RT8

10Kohm-0402-±5%-1/16W

Tun_IF_AGC_E_OUT

Tun_IF_AGC_OUT_IC

CT11

22pF-0402-NPO-±5%-50V

CT12

22pF-0402-NPO-±5%-50V

GND

SDA

2

SCL

3

AGC2

4

AGC1

5

G

N

D

6

+

1

.8

V

7

G

N

D

8

NC

18

+

3

.3

V

1

7

G

N

D

1

6

+

3

.3

V

1

5

LIF_N

10

+

3

.3

V

9

GPIO2

1

GPIO1

24

ADDR

23

RF_IN

22

G

N

D

2

1

RF_IP

20

RF_REF

19

G

N

D

E

P

A

D

LIF_P

11

XOUT

12

XTAL_O

14

XTAL_I

13

UT1

硅高频头

,IC Si Tuner,QFN-24,SMD,SI2151-A10-GMR,Silicon Labs

GND

DT5

NC/ESD

DT3

NC/SFI0402-240E-2R5PP-LF

DT4

NC/SFI0402-240E-2R5PP-LF

GND

Tun_SCL_OUT_IC

Tun_SDA_IO_IC

RT11

NC/680ohm-0402-±1%-1/16W

CT14

NC/68pF-0402-NPO-±5%-50V

CT18

NC/68pF-0402-NPO-±5%-50V

GND

GND

GND

1

2
3
4
5

RF

GND

GND

GND

GND

6

GND

7

GND

RFT1

NC/

RF_IN

3V3_Tun

CT29

0.1uF-0402-X5R-±20%-16V

GND

GND

VBG

CP

VBAT

DET

GND

GND

GND

GND

GND

GND

GND

CS19

100pF-0402-NPO-±5%-50V

CS25

100pF-0402-NPO-±5%-50V

RS36

0ohm-0402-±5%-1/16W

RS38

5K6ohm-0402-±1%-1/16W

CS42

330pF-0402-NPO-±5%-50V

CS43

6800pF-0402-X7R-±10%-50V

CS30

47pF-0402-NPO-±5%-50V

DET

2

LT

3

VBAT

4

VBG

5

V

D

D

6

C

P

7

VON

14

VOP

15

VOPQ

12

VONQ

13

V

A

G

C

1

0

GND

1

R

F

_

IN

2

0

G

N

D

1

9

V

B

A

T

1

8

S

D

A

1

7

S

C

L

K

1

6

X

T

A

L

_

O

9

X

T

A

L

_

I

8

CLK_OUT

11

EPAD

21

US1

高频头

,75ohm,RT710,RT710,RAFAEL

LT14

SDCL1005C22NJTDF

Tun_S2_IP_IN

1

3

2

DT2

KAV99

GND

CS34

0.1uF-0402-X5R-±20%-16V

CS37

0.1uF-0402-X5R-±20%-16V

CS39

0.1uF-0402-X5R-±20%-16V

Tun_S2_IN_IN
Tun_S2_QN_IN
Tun_S2_QP_IN

3V3_Tun_S2

Tun_SI_XTAL_IN

Tun_SI_XOUT

GND

CS27

22pF-0402-NPO-±5%-50V

CS26

22pF-0402-NPO-±5%-50V

RS1

100ohm-0402-±5%-1/16W

RS2

100ohm-0402-±5%-1/16W

3V3_Tun_S2

LT11

GZ1005U121CTF(120ohm-500mA)

GND

CS46

0.1uF-0402-X5R-±20%-16V

CT36

NC/1000pF-0402-X7R-±10%-50V

CS14

0.1uF-0402-X5R-±20%-16V

CS15

0.1uF-0402-X5R-±20%-16V

GND

1

2
3
4
5

RF

GND

GND

GND

GND

RFT5

NC/RF

屏蔽罩

,RF SHLED,Single,H,F,T14.5mm,CH5.0,whole,25×14.5×9mm,DIP,TUNER-C7-7,WT

RF_IN

LNB_PW

2

1 GDT1

NC/

气体放电管

,GDT,700V,2000A,TP,4.5*3.2mm,SMD,4532-091-LF,Brightking

GND

1

3

2

4

YT1

无源标准封装晶体振荡器

,SPXO,24MHz,±20ppm,16pF,3.2×2.5,SMD,SMD3225 24.000MHZ,JWT

GND

GND

Tun_SI_XTAL_IN

Tun_SI_XTAL_OUT

Tun_SI_XTAL_OUT

CT8

NC/4.7pF-0402-NPO-±5%-50V

CT7

NC/4.7pF-0402-NPO-±5%-50V

GND

Tun_RT_XTAL_IN

Tun_RT_XTAL_OUT

GND

T

u

n

_

R

T

_

X

T

A

L

_

O

U

T

T

u

n

_

R

T

_

X

T

A

L

_

IN

3V3_Tun

GND

GND

GND

GND

CS22

NC/100pF-0402-NPO-±5%-50V

CS23

100pF-0402-NPO-±5%-50V

CS21

NC/100pF-0402-NPO-±5%-50V

CS20

100pF-0402-NPO-±5%-50V

LNB_PW

LNB_PW_EN_OUT_IC

LNB_PW_SEL_OUT_IC

LNB_DSQ_OUT_IC

LZ3

功率电感

,Power Inductor,10uH,±20%,1.5A,DR4.0×3.0,SMD,NRH4030-10uH,wenshan

DZ1

肖特基二极管

,DIO SBD S,1A,40V,DO-214AC,SMD,SS14A,YJ

CZ8

陶瓷电容

,CAP MC,25V,10uF,±10%,X5R,0805,SMD,TP

CZ7

陶瓷电容

,CAP MC,25V,10uF,±10%,X5R,0805,SMD,TP

CZ12

NC/

陶瓷电容

,CAP MC,25V,10uF,±10%,X5R,0805,SMD,TP

CZ3

0.1uF-0603-X7R-±10%-50V

CZ24

0.01uF-0402-X7R-±10%-50V

CZ11

0.1uF-0603-X7R-±10%-50V

12V

CZ2

0.1uF-0402-X5R-±20%-16V

GND

CZ1

10uF-0805-X5R-±20%-16V

CZ4

NC/10uF-0805-X5R-±20%-16V

GND

GND

GND

GND

GND

DS16

NC/TVS

,DIO ESD,70pF,48.4V,DO-214AB,SMD,SMCJ30AHR6,TAIWAN SEMICONDUCTOR

CS57

NC/0.1uF-0603-X7R-±10%-50V

RZ9

100ohm-0402-±5%-1/16W

RZ4

100ohm-0402-±5%-1/16W

RZ5

100ohm-0402-±5%-1/16W

VIN

1

VLNB

2

VSW

3

VCP

4

L

X

5

EN

6

H/V

7

22K_IN

8

E

P

A

D

9

UZ1

LNB

芯片

,IC LNB,Syn,500mA,14V,1.41MHz,SOIC-8,SMD,SGM41286YPS8G/TR,SGMICRO

LZ4

HCB1608KF-121T20(120ohm-2000mA)

LNB_PW_OUT

CZ25

NC/100pF-0402-NPO-±5%-50V

LNB_PW_EN_OUT_IC

LNB_DSQ_OUT_IC

LNB_PW_SEL_OUT_IC

Tun_IFN_IN

Tun_IFP_IN

CT13

0.01uF-0402-X7R-±10%-50V

RT9

1Kohm-0402-±5%-1/16W

Tun_IF_AGC_E_OUT

Tun_IF_AGC_OUT

GND

CT10

0.1uF-0402-X5R-±20%-16V

Tun_IF_AGC_OUT

Tun_SCL_OUT

Tun_SDA_IO

Tun_SCL_OUT

Tun_SDA_IO

CT16

0.47uF-0402-X5R-±10%-6.3V

CS33

0.1uF-0402-X5R-±20%-16V

CS38

0.1uF-0402-X5R-±20%-16V

CS2

NC/10pF-0402-NPO-±5%-50V

CS3

NC/10pF-0402-NPO-±5%-50V

CS4

NC/10pF-0402-NPO-±5%-50V

CS5

NC/10pF-0402-NPO-±5%-50V

GND

RS3

51ohm-0402-±5%-1/16W

RS5

51ohm-0402-±5%-1/16W

RS6

51ohm-0402-±5%-1/16W

RS11

51ohm-0402-±5%-1/16W

CS6

NC/10pF-0402-NPO-±5%-50V

CS7

NC/10pF-0402-NPO-±5%-50V

CS8

NC/10pF-0402-NPO-±5%-50V

CS10

NC/10pF-0402-NPO-±5%-50V

GND

Tun_S2_IP_IN_IC

Tun_S2_IN_IN_IC

Tun_S2_QN_IN_IC

Tun_S2_QP_IN_IC

Tun_S2_IP_IN

Tun_S2_IN_IN

Tun_S2_QN_IN

Tun_S2_QP_IN

Tun_S2_AGC_OUT

RS21

10Kohm-0402-±5%-1/16W

Tun_S2_AGC_E_OUT

GND

CS9

0.01uF-0402-X7R-±10%-50V

RS4

1Kohm-0402-±5%-1/16W

Tun_S2_AGC_OUT

GND

CS1

0.1uF-0402-X5R-±20%-16V

Tun_S2_AGC_OUT_IC

Tun_S2_AGC_E_OUT

Tun_SCL_OUT_IC

Tun_SDA_IO_IC

Tun_S2_SDA_IO

Tun_S2_SCL_OUT

Tun_S2_SDA_IO

Tun_S2_SCL_OUT

3V3_Tun

CS40

0.47uF-0402-X5R-±10%-6.3V

CS16

NC/0.47uF-0402-X5R-±10%-6.3V

CS48

10uF-0603-X5R-±20%-6.3V

CT28

10uF-0603-X5R-±20%-6.3V

CT6

NC/10uF-0603-X5R-±20%-6.3V

RT7

200ohm-0402-±1%-1/16W

RT6

200ohm-0402-±1%-1/16W

CT20

33pF-0402-NPO-±5%-50V

CT26

33pF-0402-NPO-±5%-50V

GND

GND

GND

RF_IN

DZ2

TVS

,DIO ESD,32.4V,SMC,SMD,SMCJ20A,YJ

CT3
12pF-0402-NPO-±5%-50V

CT4
12pF-0402-NPO-±5%-50V

CT30

0ohm-0402-±5%-1/16W

LT1

NC/

叠层电感

,HF Inductor,390nH,±5%,0603,SMD,SDCL1608CR39JTDF,1

RT4

GZ1005U121CTF(120ohm-500mA)

3V3_Tun

CT33

1000pF-0402-X7R-±10%-50V

CT31

0.1uF-0402-X5R-±20%-16V

CT5

22pF-0402-NPO-±5%-50V

CT1

2.2uF-0402-X5R-±20%-6.3V

GND

RS13

0ohm-0402-±5%-1/16W

RS14

0ohm-0402-±5%-1/16W

DZ3

肖特基二极管

,DIO SBD S,1A,40V,DO-214AC,SMD,SS14A,YJ

DZ5

肖特基二极管

,DIO SBD S,1A,40V,DO-214AC,SMD,SS14A,YJ

1

2
3
4
5

RF

GND

GND

GND

GND

6
7
8

GND

GND

GND

RFT3

RF

屏蔽罩

,RF SHLED,Single,H,F,T14.4,CH5.0,whole,25.0×14.5×8.5mm,DIP,LHD

LZ1

磁珠

,Bead,120ohm,0805,4A,SMD,TP,UPZ2012E121-4R0TF,Sunlord

GND

1

3

2

4

YT2

无源晶体

,SPXO,16MHz,±10ppm,20pF,SMD3225,SMD,PF4016M00020T2115134,JWT

1

2
3
4
5

RF

GND

GND

GND

GND

6
7
8

GND

GND

GND

9

GND

RFT2

RF

屏蔽罩

,RF SHLED,Single,H,IEC,T14.5mm,CH5.0,whole,25×14.5×9mm,DIP,WT

RZ11

4K7ohm-0402-±5%-1/16W

RZ26

4K7ohm-0402-±5%-1/16W

RZ2

10Kohm-0402-±5%-1/16W

GND

3V3_Tun

GND

Содержание RT41VS-EU

Страница 1: ...Alignment Procedure 4 Block diagram 5 Scheme Diagram Troubleshooting This m anual i s t he l atest at t he t ime of pr inting and doe s not include the modification which may be made after the printi...

Страница 2: ...ectric shock to the person The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the liter...

Страница 3: ...impact of any kind Be particularly careful not to damage the picture tube surface 9 Unplug this television set from the wall outlet before cleaning Do not use liquid cleaners or aerosol cleaners Use...

Страница 4: ...ng conductors location of antenna discharge unit connection to grounding electrode and requirements for the grounding electrode 15 2 Note to CATV system installer Only for the television set with CATV...

Страница 5: ...durein youroperatinginstructions do not attempt any further adjustment Unplug the set and call your dealer or service technician 22 Whenever the television set is damaged or fails or a distinct change...

Страница 6: ...ent Specification for RT2841 Series v0 01 docx Page 1 of 27 TCL World Wide R D FPD CENTER Test Alignment Specification TAS for RT2841 Series Version 0 01 PREPARED BY DATE 2018 05 15 CHECKED BY DATE AP...

Страница 7: ...mation contained in this document is proprietary to TCL SZ FPD lab and shall not be disclosed by the recipient to third persons without the written permission of the team leader or GM of R D Revision...

Страница 8: ...576i p 720p up to 2160p compliant v2 0 with HDCP2 2 2R 2xHDMI2 0a 4K 60Hz YUV4 2 0 2S 2xHDMI2 0a 4K 60Hz YUV4 4 4 1S MHL 1S ARC VGA VGA DVI audio CMP YPbPr can support from 480i up to 1080p audio SCA...

Страница 9: ...A IC Details Position IC Details Position Market RT41KT AP Main SW EMMC 8GB 16GB BIN image UF02 8GB V8 RT41KT01 LF1V001 HDMI SWITCH EDID BIN image HDMI EDID and HDCP Embedded in main chip Include in m...

Страница 10: ...serious issue or mistake can destroy the board For example the output of DC DC and LDO should not be shorted to ground Supply a suited voltage and power on then check the voltage according to the rel...

Страница 11: ...uitable UART device or an IR emitter device correctly facing up TV see below section 2 0 Product Assembly how to activate Factory key The UART parser engine is enabled by sending following command 0xE...

Страница 12: ...LNB frequency band change by 22KHz Tone Compliant DVB S S2 source from generator or dish antenna with switch 2D Movie 720x576 1 Frequency Range 950MHz 2150MHz 2 Symbol Rate Range DVB S 1 30MHz for QPS...

Страница 13: ...s been extended to support all 3D capable timings All HDMI structures have their own BIN profile which are part of main SW and uploaded at power on into soc chipset For EDID check it s needed to check...

Страница 14: ...suitable factory workstation LAN system Then during production lot it s necessary to send write all those codes to each TV DID codes can only be set using UART commands described above on enclosed SI...

Страница 15: ...V Power on TV by AC at the same time press power on key which on the boardfor 10s until the TCL logo show Factory Hotkey will be ON automatic If Factory hotkey is enabled just press RCU Return key to...

Страница 16: ...in mode it s just required to press Menu button from local keyboard Other faster methods via UART IR commands are available on enclosed SIACP requirements rev v8 31 2 3 White Balance Automatic Gamma c...

Страница 17: ...ystems You need adjust 4 3 gamma for different samples based on the color coordinates and target gamma offered by PQ engineer So each sample can get almost the same effect as PQ golden sample The 4 3...

Страница 18: ...all inputs According to company uniform LED color temperature standard of panel The measured and adjustable parameters should be mainly x y coordinates The White Balance alignment and Automatic Gamma...

Страница 19: ...and press RCU OK key to process 4 BIN images can created overwritten or read on USB stick pen drive depending on chosen template like following database applications database db These files need to b...

Страница 20: ...ntal Control function is locked use default 1234 password or 0423 super password to clean up existing ones if forgotten END Appendix How to upgrade main SW using tool Upgrade RT2841 main SW by using R...

Страница 21: ...en click ok 4 Configure Burn parameters and select bootcode load path as shown below 5 Click the Start button to enter the boot state and the state will change to the connect state as shown below 6 Th...

Страница 22: ...key for 10s TV will update SW automatically When reflashing is successful TV should restart automatically about 4min Note If upgrade was performed a Welcome Setup menu should be displayed otherwise n...

Страница 23: ...ing USB Enable Factory Key Create the folder named WIDEVINEKEY change the Widevine key to WIDEVINE_xxx bin xxx is the number put Widevine key into the folder Plus the USB into the TV Go to Main menu S...

Страница 24: ...ting the LAN port on your TV to an IP Sharer which is connected to an external modem Use Cat5 cable for the connection 3 Depending on how your network is configured you may be able to plug your TV to...

Страница 25: ...ess MAC address etc Appendix How to upgrade Flash SW using Network not support now Appendix Factory Menu Description 1 Factory Hotkey submenu Item Sub item Value Note Hotkey OFF ON Enable Hotkey flag...

Страница 26: ...ne All Clone USB TO TV ALL Channel list EEPROM Users Settings Enable factory Hotkey Press OK to copy USB template content to TV depending on Cloning mode All Clone TV TO USB ALL Channel list EEPROM Us...

Страница 27: ...DeviceID Not used MAC MAC Address SN SN Register Code Register Code HuanID Not used ClientType Client Type ReadEeprom To USB Not used WatchDog OFF ON Enable Watch Dog by pressing key ON Open Watch Dog...

Страница 28: ...nu OFF ON Enable Hotel Menu by pressing key ON Enable Hotel Menu OFF Unable Hotel Menu 14 Suspend To Ram OFF ON Enable STR by pressing key ON Open STR OFF Close STR Note Factory Hotkey submenu must be...

Страница 29: ...ast 0 100 Adjust Contrast by pressing key Backlight 0 100 Adjust Backlight by pressing key 3 SSC Spre ad Spectrum clocking Adjust Not used 4 DBC Dyna mic Backlight Control DBC_Mode 0 2 Switch nature l...

Страница 30: ...100 Adjust max sound volbypressing key AUTO SET OFF ON Enable AUTO SET by pressing key ON Enable set PIC MODE SOUND MODE etc OFF Unable set PIC MODE SOUND MODE etc PIC MODE Standard Vivid Mild Studio...

Страница 31: ...KEY LOCK by pressing key ON Enablelocal keyboard OFF Unablelocal keyboard TV to USB Press key to copy data from TV to USB USB to TV Press key to copy data from USB to TV Reset ALL submenu Item Sub ite...

Страница 32: ...Test and Alignment Specification for RT2841 Series v0 01 docx Page 27 of 27...

Страница 33: ...11 Oct 18 Page 8 nRT41 Chassis Block Diagram...

Страница 34: ...11 Oct 18 Page 9 nPower supply Block Diagram...

Страница 35: ...11 Oct 18 Page 10 nRT41 Power supply Block Diagram...

Страница 36: ...14001 PIRB14002 CORB140 PIRB14101 PIRB14102 CORB141 PIRB14201 PIRB14202 CORB142 PIRB14401 PIRB14402 CORB144 PIRB14801 PIRB14802 CORB148 PIRB15001 PIRB15002 CORB150 PIRB15101 PIRB15102 CORB151 PIRB1520...

Страница 37: ...PICD1401 PICD1402 COCD14 PICD1501 PICD1502 COCD15 PICD1601 PICD1602 COCD16 PICD1701 PICD1702 COCD17 PICD1801 PICD1802 COCD18 PICD1901 PICD1902 COCD19 PICD2201 PICD2202 COCD22 PICD2301 PICD2302 COCD23...

Страница 38: ...L102 COL1 PIL201 PIL202 COL2 PIR101 PIR102 COR1 PIR701 PIR702 COR7 PIR801 PIR802 COR8 PIR1201 PIR1202 COR12 PIR1301 PIR1302 COR13 PIR1401 PIR1402 COR14 PIR1501 PIR1502 COR15 PIR3201 PIR3202 COR32 PIR3...

Страница 39: ...PIC4101 PIC4102 COC41 PIC4801 PIC4802 COC48 PIC4901 PIC4902COC49 PIC5001 PIC5002COC50 PIC5101 PIC5102COC51 PIC5201 PIC5202 COC52 PIC5301 PIC5302COC53 PIC5401 PIC5402COC54 PIC5501 PIC5502COC55 PIC5601...

Страница 40: ...C38 PIC3901 PIC3902 COC39 PIC4001 PIC4002 COC40 PIC4701 PIC4702 COC47 PIC6401 PIC6402 COC64 PIC6501 PIC6502 COC65 PIC6601 PIC6602 COC66 PIC6701 PIC6702 COC67 PIR601 PIR602 COR6 PIR1101 PIR1102 COR11 P...

Страница 41: ...PICNF1022 PICNF1023 PICNF1024 PICNF1025 PICNF1026 PICNF1027 PICNF1028 PICNF1029 PICNF1030 PICNF1031 PICNF1032 COCNF1 PICNF201 PICNF202 PICNF203 PICNF204 PICNF205 PICNF206 PICNF207 PICNF208 PICNF209 P...

Страница 42: ...PICE602 COCE6 PICE701 PICE702 COCE7 PICE801 PICE802 COCE8 PICE901 PICE902 COCE9 PICF501 PICF502 COCF5 PICH201 PICH202 COCH2 PICH601 PICH602 COCH6 PICH701 PICH702 COCH7 PICH901 PICH902 COCH9 PICH1101 P...

Страница 43: ...OCS34 PICS3701 PICS3702 COCS37 PICS3801 PICS3802 COCS38 PICS3901 PICS3902 COCS39 PICS4001 PICS4002 COCS40 PICS4201 PICS4202 COCS42 PICS4301 PICS4302 COCS43 PICS4601 PICS4602 COCS46 PICS4801 PICS4802 C...

Страница 44: ...OCA6 PICA701 PICA702 COCA7 PICA801 PICA802 COCA8 PICA901 PICA902 COCA9 PICA1001 PICA1002 COCA10 PICA1101 PICA1102 COCA11 PICA1201 PICA1202 COCA12 PICA1301 PICA1302 COCA13 PICA1401 PICA1402 COCA14 PICA...

Страница 45: ...CN11036 PICN11037 PICN11038 PICN11039 PICN11040 PICN11041 PICN11042 PICN11043 PICN11044 PICN11045 PICN11046 PICN11047 PICN11048 PICN11049 PICN11050 PICN11051 PICN11052 PICN11053 PICN11054 PICN11055 PI...

Страница 46: ...11 Oct 18 Page 23 nTrouble Shooting...

Страница 47: ...nTrouble Shooting 11 Oct 18 Page 24...

Страница 48: ...nTrouble Shooting 11 Oct 18 Page 25...

Страница 49: ...11 Oct 18 Page 11 nKey Test Point Main Power Supply 12V 12V Test point...

Страница 50: ...11 Oct 18 Page 12 DC to DC nKey Test Point LDD1 3V3_STB UDD1 12V to 3V3_STB UDE1 3V3_STB to 1V0_STB LDE1 1V0_STB 12V...

Страница 51: ...11 Oct 18 Page 13 nKey Test Point LDC1 1V5_DDR UDC1 3V3_STB to 1V5_DDR 3V3_STB STR Enable...

Страница 52: ...11 Oct 18 Page 14 LDB1 CORE 1V0 nKey Test Point 12V UDDB 12V TO 1V0...

Страница 53: ...11 Oct 18 Page 15 LDA1 5V nKey Test Point UDA1 12V TO 5V...

Страница 54: ...two different LNB voltage output 13 5V min13 3V max14 2V For vertical polarization V 18 5V min17 7V max19 2V For horizontal polarization H DS33 Lightning protection diode for LNB VCC US2 12V to 13 5V...

Страница 55: ...ct 18 Page 17 LDO 19 nKey Test Point UD18 1V8 Reference voltage GND Input voltage 3V3_NORMAL U202 ouput 1V8 Reference voltage GND Input voltage 5V UT2 ouput TUNER_VCC 3V3 UT33 TUNER VCC 3V3 5V 3V3_nor...

Страница 56: ...11 Oct 18 Page 18 POWER SWITCH nKey Test Point Q200 S 3V3_STB Q200 D 3V3_NORMAL Q200 G POWER_ON 3V3_NORMAL SWITCH...

Страница 57: ...11 Oct 18 Page 19 nKey Test Point PANEL_VCC 12V Q900 PANEL_VCC...

Страница 58: ...11 Oct 18 Page 20 Main Chip 1 SOC Config 2 24MHz CRYSTAL nKey Test Point Test Point...

Страница 59: ...11 Oct 18 Page 21 nKey Voltage Key Voltage for RTD2841 TCL New Standard RTD2841 POWER 0V Test Point...

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