background image

5

5

4

4

3

3

2

2

1

1

D

D

C

C

B

B

A

A

靠近

eMMC Flash 

引脚放置

靠近

eMMC Flash 

引脚放置

EMMC

保证

CLK

走线包地且均匀打孔

for SS 8Gb EMMC

当采用

eMMC 5.0

时,且速率在

200MHz

或者

400MHz

高速模式下,

R115

需要上件

C144

需要更改为

10pF

三星的

eMMC

HS400

模式下需要增加

R116

这些网络连接只为出线方便,
无实际功能连接

这些网络连接只为出线方便,
无实际功能连接

Nand: 

不需要

damping

电阻!

2/4L PCB

需在

CLK/DQ

上加

22ohm;

2L PCB Data 

线加

0R

(或

22R

,

4L PCB Data 

直连。

DAT0
DAT1
DAT2
DAT3

DAT3

DAT4

DAT4

DAT5

DAT5

DAT5

DAT6

DAT6

DAT7

DAT7

DAT7

EMMC-D6
EMMC-D7

EMMC-D2

EMMC-D1

EMMC-D0

EMMC-D3
EMMC-D4
EMMC-D5

NAND-CEZ

NAND-DQS

NAND-RBZ

NAND-REZ

VDDI

VDDI

EMMC_VIO

+3.3V_Normal

+3.3V_EMMC

EMMC_VIO

+1.8V_Normal

EMMC_VIO

EMMC_VIO

+3.3V_EMMC

NAND-REZ

5

NAND-CEZ

5

NAND-DQS

5

NAND-RBZ 5

EMMC-D0

5

EMMC-D1

5

EMMC-D2

5

EMMC-D3

5

EMMC-D4

5

EMMC-D5

5

EMMC-D6

5

EMMC-D7

5

Title

Size

Document Number

Rev

Date:

Sheet

of

EMMC

v1.0

MSD6886NQH

Custom

8

15

Sunday, September 23, 2018

Title

Size

Document Number

Rev

Date:

Sheet

of

EMMC

v1.0

MSD6886NQH

Custom

8

15

Sunday, September 23, 2018

Title

Size

Document Number

Rev

Date:

Sheet

of

EMMC

v1.0

MSD6886NQH

Custom

8

15

Sunday, September 23, 2018

C154

100n/16V

R105

22R

C144

10p/50V/NC

C146

10u/16V/NC

R107

0R

R115

0R

C147

2.2u/6.3VV

C152

2.2u/10VV

C155

100n/16V

R109

22R

R116

10K

R113

0R

C153

2.2u/10VV

C151

10u/16V/NC

R111

0R

N70

THGBMNG5D1LBAIL

DAT2

A5

DAT3

B2

VDD_1

M4

VDD_2

N4

DAT1

A4

VDD_3

P3

VDDF_3

K9

DAT0

A3

CLK

M6

VDD_0

C6

VDDF_2

J10

VDDI

C2

VSS_2

H10

CMD

M5

DAT4

B3

DAT7

B6

VDD_4

P5

VDDF_0

E6

VDDF_1

F5

VSS_4

K8

VSS_0

E7

VSSQ_5

P6

VSSQ_0

N5

VSS_1

G5

DAT5

B4

DAT6

B5

VSSQ_1

C4

VSSQ_2

N2

VSSQ_3

P4

NC_0

A1

NC_1

A2

VSSQ_0_31

A6

RFU_0

A7

NC_2

A8

NC_3

A9

NC_4

A10

NC_5

A11

NC_6

A12

NC_7

A13

NC_8

A14

NC_9

B1

NC_10

B7

NC_11

B8

NC_12

B9

NC_13

B10

NC_14

B11

NC_15

B12

NC_16

B13

NC_17

B14

NC_18

C1

NC_19

C3

RFU_1

C5

NC_20

C7

NC_21

C8

NC_22

C9

NC_23

C10

NC_24

C11

NC_25

C12

NC_26

C13

NC_27

C14

NC_28

D1

NC_29

D2

NC_30

D3

NC_31

D4

NC_32

D12

NC_33

D13

NC_34

D14

NC_35

E1

NC_36

E2

NC_37

E3

RFU_2

E5

RFU_3

E8

RFU_4

E9

RFU_5

E10

NC_38

E12

NC_39

E13

NC_40

E14

NC_41

F1

NC_42

F2

NC_43

F3

RFU_6

F10

NC_44

F12

NC_45

F13

NC_46

F14

NC_47

G1

NC_48

G2

RFU_7

G3

RFU_8

G10

NC_49

G12

NC_50

G13

NC_51

G14

NC_52

H1

NC_53

H2

NC_54

H3

Data Strobe_94

H5

NC_55

H12

NC_56

H13

NC_57

H14

NC_58

J1

NC_59

J2

NC_60

J3

VSS_3

J5

NC_61

J12

NC_62

J13

NC_63

J14

NC_64

K1

NC_65

K2

NC_66

K3

Rest_n_108

K5

RFU_9

K6

RFU_10

K7

RFU_11

K10

NC_67

K12

NC_68

K13

NC_69

K14

NC_70

L1

NC_71

L2

NC_72

L3

NC_73

L12

NC_74

L13

NC_75

L14

NC_76

M1

NC_77

M2

NC_78

M3

NC_79

M7

NC_80

M8

NC_81

M9

NC_82

M10

NC_83

M11

NC_84

M12

NC_85

M13

NC_86

M14

NC_87

N1

NC_88

N3

NC_89

N6

NC_90

N7

NC_91

N8

NC_92

N9

NC_93

N10

NC_94

N11

NC_95

N12

NC_96

N13

NC_97

N14

NC_98

P1

NC_99

P2

RFU_12

P7

NC_100

P8

NC_101

P9

RFU_13

P10

NC_102

P11

NC_103

P12

NC_104

P13

NC_105

P14

R108

0R

R112

0R

C148

100n/16V

R118

0R

C149

100n/16V

R110

0R

R106

0R

C143

2.2u/10VV

R114

0R

R104

10k

C150

100n/16V/NC

L29

BLM18PG121SN1

8698 

main 

board 

circuit

Summary of Contents for MSD6886

Page 1: ...LCDTelevision Service Manual Chassis MSD6886 Version V 1 0 Hisense Electric Co Ltd December 5 2018...

Page 2: ...2 REVISION HISTORY Version Revise content Reviser Date V1 00 First issued 2018 12 5...

Page 3: ...ory OSD Menu 18 3 3 Factory OSD Menu 19 4 Software Upgrading 25 4 1 USB Upgrade 25 4 2 Mstar Tool upgrading 27 5 Trouble shooting 41 5 1 Troubleshooting for Remote Control 41 5 2 Troubleshooting for F...

Page 4: ...ve methods of performing service operations Some of these service operations require the use of tools specially designed for the purpose The special tools should be used when and as recommended It is...

Page 5: ...from RCA Hisense Eassumes no liability express or implied arising out of any unauthorized modification of design Servicetech assumes all liability 1 1 2 All ICs and many other semiconductors are susce...

Page 6: ...iginal condition In addition prior to closing set check that Note All wire harnesses and flex cables are properly routed and secured with factory tape and or mounted cable clamps All cables and connec...

Page 7: ...damaged or if the connector is loose do not use the product otherwise this can lead to fire or electric shock 8 If the power connector or the connector of the power cable becomes dirty or dusty wipe i...

Page 8: ...e power supply block it can result in electric shock or may trip the main circuit breaker When installing the LCD module in and removing it from the packing carton be sure to have at least two persons...

Page 9: ...emoved for servicing purposes have all been returned to their proper locations in accordance with the original setup The lightning flash with arrowhead symbol within an equilateral triangle is intende...

Page 10: ...10 2 TV boards 2 1 Main board layout 2 1 1 The top of main board RSAG7 820 8698 ROH...

Page 11: ...11 MSD6886...

Page 12: ...WUTS XP1 Power for main board jacket Main board terminal Power board terminal Pin definition Pin definition 1 GND 15 GND 3 DIMMING2 DIM1 13 BL_ANA 5 VCC_A VCCA1 11 16V 7 VCC_A VCCA1 9 16V 9 GND 7 GND...

Page 13: ...LDC_VSYNC 7 3D_GLASS_VSYNC PWM Error PWM 0V 3V 6 LD_HSYNC I2C_SCL I2C 5 GND GND 0V 4 LDC_CLK SPI 3 LDC_DATA_O 2 LDC_DATA_I 1 LD_CS I2C_SDA SPI I2C XP2 51pin VB1 jacket Panel terminal jacket definition...

Page 14: ...ignal I 2 C 34 V15 R195 R193 0 19 SCL I 2 C Data signal I 2 C 33 V13 R210 R212 10k C245 NC 20 NC Write Protection L or OPEN Protection H Writable 32 R190 NC V17 NC R208 NC R197 NC R200 NC R614 NC R622...

Page 15: ...43 RX5N VX1 lane 5 9 VRX5_N 44 RX5P VX1 lane 5 8 VRX5_P 45 GND Ground 7 GND 46 RX6N VX1 lane 6 6 VRX6_N 47 RX6P VX1 lane 6 5 VRX6_P 48 GND Ground 4 GND 49 RX7N VX1 lane 7 3 VRX7_N 50 RX7P VX1 lane 7...

Page 16: ...vicing Before disassemble the TV besure to take photes for the TV assembly example for HE55A7000EUWUTS 2 2 TV boards part list Main board Boards function difference Main chassis type For Series RSAG7...

Page 17: ...17 3 Factory Service OSD Menu and Adjustment 3 1 Remote Control...

Page 18: ...to select Sound Speaker Advanced setting Balance 4 On the Balance input figure 1 9 6 9 in sequence on RC Note It is important to remember that the hand fingers can t shield the RC emitter diode 5 Call...

Page 19: ...19 3 3 Factory OSD Menu figure 1...

Page 20: ...list if you want to learn more about TV you d better read it but would not adjust the value please The Factory menu may be have difference for diverse market and customer Take HE55A7000EUWTS for examp...

Page 21: ...21 Note Check whether the Key information under the current Version is OK if appears NG or such as following red surround irregular information then need rewrite the key...

Page 22: ...l init TV Produce signal preset during the factory produce using Option Items can choose Clear all initial the TV EEPROM reset Soft version current software version information Version Software Versio...

Page 23: ...23 Channel init huangdao old Qing Dao TV Produce signal preset during the factory produce using huangdao new...

Page 24: ...can write HDCP2 2 If HDCP key code lost you can write Netflix If Netflix key code lost you can write Widevine If Widevine key code lost you can write Note The Factory menu may be have difference for...

Page 25: ...ing status c Waiting TV is trying to load the software and it will spend about 2 minutes After that UPGRADING SOFTWARE PLEASE DO NOT TURN OFF will be displayed and upgrade process bar will indicate th...

Page 26: ...26 Firgure 1 Loading data Firgure 1 Firgure 2 Upgrading software...

Page 27: ...RT no print message Repairer must read IC device ID code decipher burn the Mboot program the EMMC flash first then USB disk to upgrade the usb_HU55N3050UW bin file Hardware connecting Connect the unit...

Page 28: ...28 4 2 1 Open the UART serial option UAR serial choose on Menu Factory Options UART on Earphone port Connect to the TV earphone hole CN7...

Page 29: ...Windows XP system First install FTCUNIN EXE of FTC100103 MSTAR rar file in your PC This is a drive software of Mstar Another If your PC is Win7 system you will have to install CDM20802_Setup_WIN7 rar...

Page 30: ...1 In mboot status MStar Input du and enter key to ensure then close the SecureCRT window 2 In Supernova status Input 00112233 and enter key to ensure then close the SecureCRT window 3 If no any print...

Page 31: ...e TV board has had Mboot software If TV board has had mboot software already now need update a new one It is important to stop serial port at first as following Run the SecureCRT Pressing the enter ke...

Page 32: ...bit Read more again to contrast the IC Device whether has change Send the device ID to the IC developer MSTAR max sc lv max sc lv mstarsemi com securitysecurity mstarsemi com Waiting for the feedback...

Page 33: ...2 Store the Device ID When click Show DeviceID button you can get 12 bit device ID Next click OK button to copy Open the Password txt file in the same direction of MSTV_Tool exe to stick the Device I...

Page 34: ...semi com securitysecurity mstarsemi com Waiting for the feedback of ID password 3 Deciphering Receive the Device ID password copy it into the password txt as following Click enter password button then...

Page 35: ...35 Click Help Product Key enter security Click Flash Update Mode...

Page 36: ...36 Now Deciphering has finished Don t restart the TV 3 Burn the mboot software with ISP_Tool_5 0 2 Click SPI then click Connect drawing in front of program Exit ISP Read file...

Page 37: ...d following four burning files Respectively graphic as following Click X button to close and save this setting I2C speed setting choose around 30 roughly speed around 200KHz roughly speed not high oth...

Page 38: ...T AC power on the TV if nothing appears on screen then can indicates that the TV no Mboot software next close the SecureCRT window directly 4 2 5 USB upgrading Copy the main software usb_HU55N3050UW b...

Page 39: ...ck the Key information under the current Version whether is OK if NG must rewrite key code 4 2 7 Before upgrade write down the white balance data of different signal source 4 2 8 Reset the Options of...

Page 40: ...ting figure lower Roughly speed about 200KHz and have a try 5 After USB upgrade appear mtdoops mtd device mtddev name number must be supplied Kernel panic not syncing VFS Unable to mount root fs on un...

Page 41: ...ote Control Remote control does not work Try new batteries Replace RC Check IR receiver Change Led IR board Change Led IR cable Replace main board Replace battery Replace remote control Replace Led IR...

Page 42: ...shooting for Function Key Buttons does not work Check switches Check key board Check Key BD cable Change Key BD Replace main board Check solder connections and see if it h t k Replace Key BD OK YES YE...

Page 43: ...NO Check Power Cord Only one works Replace Main BD Try Power on by RC and Button Neither works Both Work Power on OK YES NO Replace Power BD YES NO RED No light Panel Bright NO Replace Main BD NO YES...

Page 44: ...4 Troubleshooting for Audio No sound Check connecter Check speaker wire Replace main board Reconnect Replace speaker wire YES YES NO NO Check speaker set Replace speaker set YES NO OK YES Power Supply...

Page 45: ...Troubleshooting for TV VGA HDMI input No picture on the screen Check Signal Source Check connect Check cable Replace main board Make sure signal source is available Reconnect Replace cable NO YES YES...

Page 46: ...Troubleshooting for YPbPr input No picture on the screen Check Source work or not Check connect Check Wires Green Blue Red Replace main board Check Source Device Reconnect Replace wires NO YES YES NO...

Page 47: ...7 Troubleshooting for Video input No picture on the screen Check Source work or not Check connect Check Cable Wires Replace main board Check Signal Source Reconnect Replace Cable Wires NO YES YES NO Y...

Page 48: ...ideo Analog Power AVDD_AU33 Audio Power AVDD_EAR33 Earphone Drive Power 1A 630mA LDO TLV1117 676 487mA LDO AD1117 3 3V_TU 415mA 415mA NTP8824 PowerTree VCC_PCMCIA 1000mA 5V_PCMCIA 153 6mA 269mA DC DC...

Page 49: ...nel HDMI2 0 HDMI2 0 NTP8824 Debug USB2 0 OTG Title Size Document Number Rev Date Sheet of Block Diagram v1 0 MSD6886NQH A4 3 15 Tuesday November 20 2018 Title Size Document Number Rev Date Sheet of Bl...

Page 50: ...3VV C13 10u 16V R4 1k C22 1u 16V R492 10R R500 1k NC M3 MARK NC C31 100n 16V R30 402R 1 L4 4 7 uH Idc2 4 2A R3 1k C493 47n 16V C43 22u 6 3VV R34 24 9k 1 R40 150k 3DPWM N10 TLV1117LV33DCY ADJ 1 VOUT_1...

Page 51: ...15 Friday November 23 2018 Title Size Document Number Rev Date Sheet of MSD6886NQH v1 0 MSD6886NQH Custom 5 15 Friday November 23 2018 Title Size Document Number Rev Date Sheet of MSD6886NQH v1 0 MSD6...

Page 52: ...3VV C122 10u 6 3V C104 100n 16V C133 100n 16V TP5 1 C113 10u 6 3V C129 2 2u 6 3VV C402 100n 16V MSD6886NQH N1G GND G1 GND P1 GND V2 GND AE2 GND C3 GND L3 GND AB3 GND J4 GND R4 GND T4 GND A5 GND J5 GND...

Page 53: ...September 23 2018 Title Size Document Number Rev Date Sheet of DRAM v1 0 MSD6886NQH Custom 7 15 Sunday September 23 2018 Title Size Document Number Rev Date Sheet of DRAM v1 0 MSD6886NQH Custom 7 15...

Page 54: ...F5 VSS_4 K8 VSS_0 E7 VSSQ_5 P6 VSSQ_0 N5 VSS_1 G5 DAT5 B4 DAT6 B5 VSSQ_1 C4 VSSQ_2 N2 VSSQ_3 P4 NC_0 A1 NC_1 A2 VSSQ_0_31 A6 RFU_0 A7 NC_2 A8 NC_3 A9 NC_4 A10 NC_5 A11 NC_6 A12 NC_7 A13 NC_8 A14 NC_9...

Page 55: ...Number Rev Date Sheet of VBY1 IR KEY v1 0 MSD6886NQH Custom 9 15 Wednesday October 17 2018 V7 MMBT3904LT1 1 2 3 R160 0R NC R167 4 7k C188 100n 16V 3U 1 R182 20k R140 10k NC R128 0R NC R209 0R R145 0R...

Page 56: ...tom 10 15 Sunday September 23 2018 C201 100n 16V XS2 TX 1 TX 2 RX 3 NC1 4 NC2 5 RX 6 NC3 7 NC4 8 GND 10 GND 9 R224 10k R217 75R RV4 AVLC18S02015 NC C196 5p 50V NC R218 75R C195 5p 50V NC C192 5p 50V N...

Page 57: ...HDMI3 RX0P 5 HDMI3 RX1P 5 HDMI3 RX0N 5 HDMI3 RX2P 5 HDMI3 CLKP 5 HDMI3 RX1N 5 HDMI3 RX2N 5 HDMI3 CLKN 5 HDMI ARC 5 HDMI CEC 5 HDMI2 Detect 5 HDMI1 Detect 5 HDMI3 Detect 5 HDMI4 Detect 5 HDMI4 HPD 5 H...

Page 58: ...74 1n 50V SA C479 1n 50V SA R317 0R EU U4 SCT 85 116H reflow EM RF SW 1 BM 2 IF AGC 3 SCL 4 SDA 5 DIF1 6 DIF2 7 Rest 8 GND 10 GND 11 GND 12 GND 13 XOUT 9 C483 47p 50V NC R325 100R EU C244 10u 16V NC L...

Page 59: ...nt Number Rev Date Sheet of USB v1 0 MSD6886NQH Custom 13 15 Tuesday November 20 2018 C264 47p 50V R331 0R C377 10u 16V C376 100n 16V N25 TPS2065DDBVR NC GND 2 EN 4 FLT 3 OUT 1 IN 5 R333 0R C274 100u...

Page 60: ...PCM_OE_N 5 PCM_WE_N 5 PCM_IORD_N 5 TS0_SYNC 5 TS0_VLD 5 TS1_CLK 5 TS1_VLD 5 TS0_D 7 0 5 TS1_D 7 0 5 Title Size Document Number Rev Date Sheet of PCMCIA v1 0 MSD6886NQH Custom 14 15 Tuesday November 27...

Page 61: ...C428 100n 16V C414 470n 50V R522 4 7k R428 1k VD12 1N4148W NC 1 2 C430 10u 50VV NC C415 100n 50V C427 4 7u 6 3VV VD11 1N4148W NC 1 2 R513 5 1R R519 4 7k R416 100k NC C432 100n 50V NC R429 1k N80 NTP8...

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