Noblex 91DK65X9500 Service Manual Download | Manualshive

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5.2 Troubleshooting 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

any switches are stuck.

Replace Key BD

OK

YES

YES

NO

YES

NO

NO

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Summary of Contents for 91DK65X9500

Page 1: ...LCDTelevision Service Manual Chassis MT9602 Version V 1 00 Hisense Visual Technology Co Ltd March 27 2020 ...

Page 2: ... 2 REVISION HISTORY Version Revise content Reviser Date V1 00 First issued 2020 6 17 ...

Page 3: ...2 How to enter the Factory OSD Menu 15 3 3 Factory OSD Menu 17 4 Software Upgrading 22 4 1 USB Upgrade 22 4 2 Mstar Tool upgrading 24 5 Trouble shooting 36 5 1 Troubleshooting for Remote Control 36 5 2 Troubleshooting for Function Key 37 5 3 TV won t Power On 38 5 4 Troubleshooting for Audio 39 5 5 Troubleshooting for TV HDMI input 40 5 6Troubleshooting for Video input 41 6 Signals Block Diagram p...

Page 4: ...s 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 important to note that this manual contains various CAUTIONS and NOTICES which should be carefully read in order to minimize the risk of personal injury to service personnel The possibility exists that improper service methods may damage the ...

Page 5: ...s or implied arising out of any unauthorized modification of design Servicetech assumes all liability 1 1 2 All ICs and many other semiconductors are susceptible to electrostatic discharges ESD Careless handling during repair can reduce life drastically When repairing be sure to use anti static table mats and properly use a grounding wrist stra Keep components and tools also at this same potential...

Page 6: ...sing set check that Note All wire harnesses an d flex cables are properly routed and secured with factory tape and or mounted cable clamps All cables and connectors are properly insulated and do not have any bare wires lead exposed 1 1 6 1 Do not supply a voltage higher than that specified to th is product This may damage the product and may cause a fire 2 Do not use this product High humidity are...

Page 7: ...lead to fire or electric shock 8 If the power connector or the connector of the power cable becomes dirty or dusty wipe it with a dry cloth Otherwise this can lead to fire 9 Use only with the cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus comb ination to avoid injury from tip over 1 2 Notes ...

Page 8: ...t breaker When installing the LCD module in and removing it from the packing carton be sure to have at least two persons perform the work When the surface of the panel comes into contact with the cushioning materials be sure to confirm that there is no foreign matter on top of the cushioning materials before the surface of the panel comes into contact with the cushioning materials Failure to obser...

Page 9: ...l been returned to their proper locations in accordance with the original setup The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the products enclosure that may be of sufficient magnitude to constitute a ris k of electric shock The exclamation point within an equilateral triangle is intend...

Page 10: ... 10 2 TV boards 2 1 Main board layout 2 1 1 The top of main board RSAG7 820 10147 ROH Main board 9829 terminals ...

Page 11: ... 11 Main board10147 power tree Main board 10147 sign block diagram ...

Page 12: ... 12 2 1 2 The top of main board RSAG7 820 10147 ROH ...

Page 13: ... boards part list Main board Boards function difference Main chassis type For Series RSAG7 820 10147 RO H Lateral terminal and vertical terminal Main board Power parts complex board MT9602 50A7200FSVI 55A7200FSVI ...

Page 14: ... 14 3 Factory Service OSD Menu and Adjustment 3 1 Remote Control Different customer the logo maybe have difference ...

Page 15: ...3 Select Sound Mode Audio output setting Balance Figure 2 Figure 3 4 On the Balance input figure 1 9 6 9 in sequence on RC Figure 4 Note It is important to remember that the hand fingers can t shield the RC emitter diode 5 Call up a M on the left top of TV then press button again the Factory menu appear then 6 DC power off and DC power on the TV which can exit Factory OSD ...

Page 16: ... 16 Figure 1 Figure 2 Figure 3 ...

Page 17: ...ter read Factory OSD menu list but would not adjust the value please The Factory menu may be have difference for diverse market and customer Take HU55A6109FUWV for example 2 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 18: ... 18 ...

Page 19: ... change to desired source channel init TV Produce signal preset during the factory produce using Option Items can choose Soft version current software version information Write keys Write key Version TV software information MAC Address MAC address information Cur project ID WIDEVINE key WIDEVINE key code HDCP1 4 key HDCP2 2 key ESN Code information ...

Page 20: ...roduce using Gui Yang Option ToFAC M U M used in factory product U used in user state Clear All Region North America country Country choose Logo Customer logo choose Language Language choose UART On off when choose on then can serial port connect with Tool successfully PQ COM On off ...

Page 21: ...rse market and customer above Factory menu only for reference The factory menu data varies according to different sources Incase changing the factory data by error you can choose to Clear Unprotectly by which you can resume the default value To clean the EEPROM a Select the item Option Clear all in Factory mode b Press button to clear the EEPROM data c Close the OSD menu after 5 seconds d Restart ...

Page 22: ...V successfully enters upgrading status Upgrade process bar will indicate the progress It needs about 8 minutes to complete the whole software upgrade c After upgrade TV can automatically reboot d Enter the Factory OSD Menu to check the main software version and then choose option Clear all to do clean up 4 1 2 TV in factory mode a If TV is in Factory mode only have difference from chapter 4 1 1 b ...

Page 23: ... 23 Firgure 1 upgrading software Firgure 1 Firgure 2 Software upgrade complete TV automatically reboot Firgure 3 ...

Page 24: ...n USB disk to upgrade the upgrade_loader_no_tvcertificate pkg file Hardware connecting Connect the unit to your pc with Hisense USB serial port cable USB port connects to your PC and earphone port to TV s CN7 earphone hole As following 4 2 1 Open the UART serial option UAR serial choose on Menu Factory MENU Options Uart Switch on Earphone to main board earphone hole USB serial USB to TV ...

Page 25: ...is a drive software of Mstar Another If your PC is Win7 system you will have to install CDM20802_Setup_WIN7 rar file and then open the software of SecureCRT in your PC 4 2 3 Stop board serial connect with SecureCRT Run SecureCRT printing information includes three status Mboot Supernova no print information Current steps 1 Run SecureCRT exe 2 TV power on 3 SecureCR tool print information can appea...

Page 26: ...2 USB connect correctly 3 Mstar serial Tool connect correctly 4 When questions appear computer run SecureCRT input lowercase getlog if fails input another 05328087 then rolls the lots of log print message 5 Save the log print message to soft engineer 4 2 5 Mstar Tool upgrading Mstar Tool upgrading includes two states one is TV board has had Mboot software the other is TV board have no Mboot softwa...

Page 27: ... password Connect the board with PC via to Hisense debug tool With MSTVTool4 163 run MSTV_Tool exe Ensure button connected correctly then click Show DeviceID button you will get device ID like 0003C0701F4447FBFB0A03 Read more again to contrast the IC Device whether has change ...

Page 28: ...rity mstarsemi com Waiting for the feedback of ID password Deciphering Method 1 Use MSTV_Tool_4156_258303 tool run MSTV_Tool exe Click Show DeviceID button to inspect the Device ID Click View Open DebugPort choose 3rd generation input input the ID password from the IC developer then click Run Click Run ...

Page 29: ...l exe to stick the Device ID Password txt file Send the device ID to the IC developer MSTAR max sc lv 吕思成 max sc lv mstarsemi 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 bounce success window it indicates deciphering succeed ...

Page 30: ... 30 Click Help Product Key enter security Click Flash Update Mode ...

Page 31: ... 31 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 32: ...ad 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 otherwise can cause updating abnormality ...

Page 33: ...wer 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 upgrade_loader_no_tvcertificate pkg to the USB root Disk ensure there are no other pkg files in the root directory of USB Disk Run the SecureCRT Pressing the enter keypad and at the same time AC power on the TV then appear m...

Page 34: ...o check 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 out of Factory if lost such as Region Country logo language 4 2 9 Common error 1 Reading Device ID have different ID codes Check the SecureCRT window whether close 2 When input key appear Input f...

Page 35: ...tting 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 unknown block 179 4 Reason After burn mboot and before USB upgrade forget to clear the zone schema Don t burn mboot again ONLY restart TV with cu demand to USB upgrading again in mboot ...

Page 36: ...mote 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 BD Replace Led IR cable YES YES NO YES NO YES NO ...

Page 37: ...ng 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 any switches are stuck Replace Key BD OK YES YES NO YES NO NO ...

Page 38: ... Cord Check replace IR BD or Keypad PCA TV won t power on Is LED light NO YES Check Power Output YES 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 NO Replace Main BD NO YES Check signal Source YES NO YES Replace Panel to contact Hisense tech support OK Panel Bright ...

Page 39: ... 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 Board ...

Page 40: ...5 5 Troubleshooting for TV 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 NO NO ...

Page 41: ...o 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 YES NO 6 Signals Block Diagram power assign schematic diagram ...

Page 42: ... Number Rev Date Sheet of Revision v1 0 MSD9602 A4 1 9 Monday April 20 2020 Title Size Document Number Rev Date Sheet of Revision v1 0 MSD9602 A4 1 9 Monday April 20 2020 Title Size Document Number Rev Date Sheet of Revision v1 0 MSD9602 A4 1 9 Monday April 20 2020 ...

Page 43: ...DC DCDC MOS LDO xxx xxx xxx 标识说明 PWR ON OFF 800mA Wifi PWR ON OFF 3 3V_Standby 1 66A 3A MP1658GTF 0 36A AO3401A 3 3V_TU 415mA AP7365 NC 3 3V_Normal AD1117 1 8V_Normal 1 8V_Normal VDDP33 150mA AVDD_MOD_VTERM 1 2V_MOD 100mA 50mA 3A 5 3A AO4459 PANEL_ON OFF 12V_Panel TCON PMU Title Size Document Number Rev Date Sheet of Power tree v1 0 MT9602 Custom 2 16 Monday April 20 2020 Title Size Document Numbe...

Page 44: ...nel HDMI2 0 AD52050B Level Shift PMU GAMMA STV VCE LC TE I2C Power Debug USB2 0 Title Size Document Number Rev Date Sheet of Block Diagram v1 0 MSD9602 Custom 3 17 Monday April 20 2020 Title Size Document Number Rev Date Sheet of Block Diagram v1 0 MSD9602 Custom 3 17 Monday April 20 2020 Title Size Document Number Rev Date Sheet of Block Diagram v1 0 MSD9602 Custom 3 17 Monday April 20 2020 ...

Page 45: ...NC 1 C23 10u 16V R20 8 2k 1 C553 1u 16V C43 10p 50V R33 120k 1 R440 47k NC C546 22u 6 3V R443 0R M4 MARK NC C51 10u 16V R431 51k 1 R49 10k C545 22u 6 3V C552 100n 25V M3 MARK NC L5 4 7 uH Idc2 4 2A C48 100n 16V C25 100n 16V R63 10k 1 M5 MARK NC G2 SMR TS 3 2 5 2 NC C41 1u 16V C499 1u 10V C547 100n 16V M2 MARK NC C47 22u 6 3VV C17 10u 16V C4 100n 16V R24 220k 1 R4 1k M6 MARK NC C549 10u 16V S1 D5 C...

Page 46: ...K AC22 EMMC_IO7 EMMC_D7 AA23 TGPIO2 SCK1 AE18 TS1_D5 R23 TS1_D6 R24 TS1_SYNC M24 TS1_D4 P24 TS1_D3 P23 TS1_D1 N24 TS1_D2 N25 TS1_D0 N23 TS1_VLD M25 TS1_CLK M23 IM_S Y4 QM_S AA5 IP_S AA4 TS0_D5 Y14 TS1_D7 T23 QP_S AB5 TS0_D1 Y15 TS0_D7 Y18 IM_T W3 IP_T Y3 TS0_VLD AB15 TS0_CLK AA15 TS0_D3 Y16 TS0_D0 AA17 TS0_D2 AB16 TS0_D6 Y17 TS0_D4 AB17 TS0_SYNC AA16 PCM2_CD_N SDIO_CMD AD20 PCM2_CE_N SDIO_CLK AC18...

Page 47: ...2 GND W4 GND W5 GND W18 GND W19 GND Y23 GND Y5 GND AA9 GND AA10 GND AA14 GND AA22 GND AB4 GND AB8 GND AB9 GND AB10 GND AB14 GND AB23 GND AC5 GND AC15 GND AC16 GND AC17 GND AD12 GND AE8 GND AE22 GND AE24 DDR_RX_B 1 C329 100n 16V C342 100n 16V C307 100n 16V C310 10u 6 3V C315 10u 6 3V C322 100n 16V C330 10u 6 3V C349 2 2u 25V C340 470n 10V R109 0R C320 2 2u 10V C327 2 2u 10V C309 100n 16V C301 100n ...

Page 48: ... Number Rev Date Sheet of DRAM_1 5GB v1 0 MSD9602 Custom 7 17 Monday April 20 2020 Title Size Document Number Rev Date Sheet of DRAM_1 5GB v1 0 MSD9602 Custom 7 17 Monday April 20 2020 R110 1k 1 C170 100n 16V MT9602 N1 5 ZQ1 D24 MCP TEST POINT_0 C24 A RST E24 ZQ0 E23 DRAM_VREF0 B24 B RST B21 ZQ2 B22 ZQ3 A21 MCP TEST POINT_1 B23 R113 240R 1 C169 1n 50V TP11 1 R117 1k 1 R112 240R 1 R115 1k 1 R116 1k...

Page 49: ...C_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 N...

Page 50: ...VBY1 IR KEY v1 0 MSD6886 HS3710 Custom 9 9 Monday April 20 2020 R189 0R NC XP2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 53 42 43 44 45 52 46 47 48 49 50 51 C211 100n 16V R175 100k R210 0R NC R135 0R NC C200 100n 16V R185 4 7k C188 100n 16V R196 0R NC R190 0R NC C182 100n 16V R156 10k R177 10k R211 10k NC C210 100n 16V C183 2 ...

Page 51: ...nt Number Rev Date Sheet of Video SPDIF Net v1 0 MSD6886 HS3710 Custom 10 19 Monday April 20 2020 R256 2 2R C219 100n 16V R249 2 2R V Y R PB L PR GND XS3 4 3 2 5 1 8 7 6 R129 75R C220 100n 16V R230 18k R232 10k RJ 45 RJ45 120010222DIP Reflow XS26 NTX0 _0 1 NTX0 _1 2 NRX0 _2 3 4 4 5 5 NRX0 _5 6 7 7 8 8 9 PGND_9 10 PGND_10 R231 18k R229 150R N94 PM44 11BP TD1 _0 1 CT1 2 TD1 _2 3 NC1 4 NC2 5 RD2 _5 6...

Page 52: ...MI3 RX0N 5 HDMI3 RX2P 5 HDMI3 CLKP 5 HDMI3 RX1N 5 HDMI3 RX2N 5 HDMI3 CLKN 5 HDMI3 RX1P 5 HDMI2 Detect 5 HDMI1 Detect 5 HDMI3 Detect 5 HDMI ARC 5 HDMI CEC 5 RXD 5 TXD 5 Title Size Document Number Rev Date Sheet of HDMI v1 0 MSD6886NQH Custom 11 16 Monday April 20 2020 Title Size Document Number Rev Date Sheet of HDMI v1 0 MSD6886NQH Custom 11 16 Monday April 20 2020 Title Size Document Number Rev D...

Page 53: ...2 19 Monday April 20 2020 Title Size Document Number Rev Date Sheet of Tuner v1 0 MSD6886 HS3710 Custom 12 19 Monday April 20 2020 L17 0 27 uH C260 1n 50V R302 10k C268 1u 25V C271 22p 50V C33 10u 6 3V C270 100n 16V L16 0 27 uH C258 39p 50V R303 100R C264 1n 50V C262 22p 50V C272 100n 16V C58 10u 6 3V U7 FG053 F01T1NY C Reflow RF_IN 1 GND 3 GND 4 GND 2 GND 5 L11 BLM18PG121SN1 R313 100R Si2151 N14 ...

Page 54: ...0 Custom 13 19 Sunday April 26 2020 Title Size Document Number Rev Date Sheet of USB v1 0 MSD6886 HS3710 Custom 13 19 Sunday April 26 2020 Title Size Document Number Rev Date Sheet of USB v1 0 MSD6886 HS3710 Custom 13 19 Sunday April 26 2020 C288 100n 16V C276 100u 16V N25 TPS2065DDBVR GND 2 EN 4 FLT 3 OUT 1 IN 5 USB_DP7 1 C275 100u 16V C284 10u 16V R498 0R C286 100n 16V R481 4 7k C285 100n 16V C2...

Page 55: ...7 VD807 S8KC 1 2 C720 NC 100p 50V V951 MMBT2222A NC 3 1 2 R980 1k R990 200k V702 AOB7S65L NC 3 1 2 R963 4 7k NC R701 10k N850 LTV 816S TP Cu 1 2 3 4 R906 0 18R VZ901 BZT52C22 1 2 R901 39k R802 3 3M R992 200k CX801 NC 56n AC250VV R724 22R V901 AOB7S65L NC 3 1 2 R991 200k C907 100p DC1000VV NC R902 27R R984 3 9k VD806 S8KC 1 2 C705 100p 50V C708 100n 250V NC R905 820R V904 AO3160E 3 1 2 VD951 US3M 1...

Page 56: ...0 MSD6886NQH Custom 14 18 Monday April 20 2020 L58 BLM21PG221SN1 R530 100R C471 10u 16V C451 1u 16V GND R SW L XS15 2 1 4 3 C475 100u 25V R533 100R C450 1u 16V C458 220n 25V R542 100R C453 1u 16V R428 1k C454 10n 50V R537 10k C452 1u 16V C464 1n 50V R429 1k C473 1n 50V R118 0R R535 0R L57 BLM21PG221SN1 Lout 1 C478 1n 50V C455 10n 50V C474 10u 16V C461 220n 25V C456 1u 16V R119 0R Lout 1 L59 BLM21P...

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