background image

 

 

 

LCD Television 

Service Manual 

 

 

 

 

 

 

 

Chassis

 MT5659AUHT 

 

               

Product:  

AM  TV 

                                       

 

 

 

 

 

 V 1.0 

 

                                      Hisense Electric Co.

Ltd. 

 

                                          May, 2018

 

Summary of Contents for MT5659AUHT

Page 1: ...LCDTelevision Service Manual Chassis MT5659AUHT Product AM TV V 1 0 Hisense Electric Co Ltd May 2018...

Page 2: ...2 REVISION HISTROY Version Revise content Reviser Date V1 00 First issued 2018 05 31...

Page 3: ...OSD Menu 23 4 Software Upgrading 30 4 2 USB upgrade failing 33 4 3 Upgrading with the FlashTool v0 7 0 7 exe 35 5 Trouble shooting 38 5 1 Troubleshooting for Remote Control 39 5 2 Troubleshooting for...

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

Page 6: ...orized substitutions may result in fire electric shock or other hazards and will void the manufacturer s warranty 1 1 5 Safety regulations require that after a repair the set must be returned in its o...

Page 7: ...e product it may cause fire or electric shock 5 Do not pull out or insert the power cable from to an outlet with wet hands It may cause electric shock 6 Do not damage or modify the power cable It may...

Page 8: ...he power board start servicing at least 2 minutes after the main power has been turned off While the main power is on do not touch any parts or circuits other than the ones specified If any connection...

Page 9: ...the serviced points have not undergone any deterioration during servicing Also verify that the screws parts and cables removed for servicing purposes have all been returned to their proper locations...

Page 10: ...10 2 TV board layout Main board layout 2 1 The TOP of 7924 TCON part on the board MT5659 AUHT 2 3 1 5 6 7 8 9 10 11 TCON...

Page 11: ...1 RF Input Tuner on board 2 XS5 Headphone 3 XS6 Debug 5 XS7 HDMI1 6 XS8 HDMI2 ARC input 7 XS15 Digital Audio out 8 XS14 AV IN 9 XS23 USB 2 2 0 10 XS24 USB 1 2 0 11 XS26 LAN 12 Xp12 Key IR Led WIFI 13...

Page 12: ...12 2 2 The TOP of 7924 TCON part not on the board...

Page 13: ...13 2 3 The TOP of board 7952...

Page 14: ...14 2 4 The TOP of board 7953...

Page 15: ...15 2 5 The TOP of board 7977...

Page 16: ...16 2 6 The TOP of board 8063...

Page 17: ...17 2 7 The TOP of board 8070...

Page 18: ...18 2 7 The TOP of board 8327...

Page 19: ...19 2 8 The TOP of board 8318...

Page 20: ...HS32A5600HWB 1000 7953 1 Base on 7924 board delete one HDMI 2 Change the TCON IC to N36 N36G1632QA1R 3 Only one style TCON part on the board HS43A5600FWB 7977 1 Complex board Main power parts 2 Side t...

Page 21: ...dio setting page down to choose it with key 3 Select Balance input 1 9 6 9 in sequence Note If necessary re enter number keys 4 Factory OSD appears 5 DC power off and power on the TV which can exit Fa...

Page 22: ...22 Next Next...

Page 23: ...sequence 3 2 Factory OSD Menu Factory OSD Menu if you want to learn more about TV you d better read it but can t alter the figure and option Factory menu may have difference for different customer Ta...

Page 24: ...24...

Page 25: ...ng the factory produce using Option can choose soft version current software version information Write keys MAC HDCP2 2 HDCP1 4 Netflix Widevine When one key lost you can write a new one key with this...

Page 26: ...26 Channel init Huang Dao Qing Dao TV Produce signal preset during the factory produce using...

Page 27: ...ct U used in exit factory state Clear All country country choose Language language choose Logo region logo choose VCOM Adjust Panel blink URAT on off when choose on then can serial port connect with T...

Page 28: ...28 3 2 1 White Balance Note Different source has different WB values Before adjusting please change to desired source 3 2 2 Options 3 2 3 Software Version...

Page 29: ...29 Write keys When one key lost you can write a new one key with this option Project ID option Design Project ID to choose the corresponding TV model...

Page 30: ...under the Version is OK if appear NG then need rewrite the key 4 Software Upgrading 4 1 USB Upgrading with Remote control in User Menu 4 1 USB Upgrade main software with Remote control in User Menu T...

Page 31: ...r USB Upgrade Installing process bar is 100 It indicates the Upgrading complete When updating success TV can automatically restart Project ID option Path Design Project ID to choose the corresponding...

Page 32: ...upgrade with debug serial board Tool and SecureCRT Tool Run SecureCRT exe AC power on the TV at the same time tightly press the ESC button on the PC until appear character DTV Behind the character DTV...

Page 33: ...a USB to serial port cable USB port connects to your PC and serial port to the TV s debug port As following 4 2 1 Install the driver 4 2 1 Install the bebug board driver for first use MTK FlashTool Do...

Page 34: ...34 Select the default value the driver will be installed step by step...

Page 35: ...nect the unit to your pc with a USB to serial port cable run FlashTool v0 7 0 7 exe Please refer to the following steps to set How to choose communicate port and flash baud rate See the following inst...

Page 36: ...lect the right baud rate according to chip model For this unit chip model choose MT53XX select 115200 2 TV power on then Click to connect if connect successfully then button from red turn green Click...

Page 37: ...37 When appear Upgrade prcocess Finished it indicates loader update success Select bin file Start upgrade...

Page 38: ...hen there is something wrong with your TV you can try turning off the TV and then restart it You can also operate according to the follow chart If the problems still cann t be solved please contact th...

Page 39: ...ol 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 Repla...

Page 40: ...g 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...

Page 41: ...C and Button Neither works Both Work Power on OK YES NO Replace Power BD YES NO RED No Led light Panel Bright NO Replace Main BD NO YES Check signal Source YES NO YES Replace Panel OK NO Note MTK5659...

Page 42: ...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 NO Power Suppl...

Page 43: ...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 44: ...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 Diagr...

Page 45: ...DSA AVDD33_HDMI 500mA VCC3IO VDDF_EMMC 80 mA 3V3_TUNER 3V3_TUNER_2 30mA 260mA 155mA LD1117 1V8_EMMC 150mA LD1117 3V3_TUNER 3V3_TUNER_2 3V3 0R 5V_USB 2 1000mA AO3401 5V_WIFI 500mA TLV62566 1V2_DEMO 800...

Page 46: ...USB DM N USB DM P Wifi USB DM P N REG_ON Wifi_wakeup IR Keypad OIRI Key0 Key1 POWE_B EMMC_CLK EMMC_RST DS DATA 0 7 Uart Tx Rx eMMC FHD PANEL LVDS_OUT AL1_ADAC AR1_ADAC HDMI3 Data CLK CEC HPD HDMI_5V S...

Page 47: ...K R4 33k L39 2 0 uH R462 1k V28 MMBT3904LT1 3 1 2 G3 SMR NC C417 100n 16V R10 20k R443 1k C421 22u 6 3V L20 BLM18PG121SN EU C96 100n 16V C430 10u 16V C408 10u 10V M7 MARK C50 10u 16V C8 100n 16V C449...

Page 48: ...1u 10V C77 100n 16V C75 100n 16V C525 100n 16V R28 10K R65 100R R75 10k R61 1k R91 10k R89 0R C52 4 7p 50V N3 6 MT5659 OSDA0 W7 OSCL0 Y6 XTALI AE22 XTALO AF22 AVDD33_PDW_STB AE19 VCC3IO_EMMC A10 AVDD...

Page 49: ...Custom 7 15 Wednesday October 25 2017 Title Size Document Number Rev Date Sheet of 1 0 MT5659 Custom 7 15 Wednesday October 25 2017 R752 0R R22 4 7k R31 0R XS14 GND 2 GND 5 SIGNAL7 7 SIGNAL9 9 GND 8...

Page 50: ...N_R0 AD26 AIN_L0 AE25 AIN_R1 AF25 AIN_L1 AD25 AIN_R2 AC25 AIN_L2 AE26 AVDD33_AADC AF23 VMID_AADC AE24 AVSS33_CLN T18 AR0_ADAC AB22 AL0_ADAC AC22 AR1_ADAC AC24 AL1_ADAC AC23 AVDD33_ADAC AF24 ASPDIFI AE...

Page 51: ...34 CPGND_35 35 DRVP 36 DLY1 37 FBP 38 VGH 39 DRN 41 SUPN 42 VGHM 40 DRVN 43 GND_44 44 FBN 45 REF 46 VREF_FB 47 VREF_O 48 C661 10p 50V NC C485 10u 16V V39 2N7002 NC 3 1 2 R420 4 7k C390 100n 25V N53 G...

Page 52: ...Sheet of 1 0 MT5655 B 10 15 Wednesday October 25 2017 C258 4 7u 10V C265 1u 10V C259 1u 10V TP_RTP1 1 R6 47R N3 1 MT5659 RTP D3 RTN D2 DDRV_1 J1 DDRV_2 J2 DDRV_3 J3 DDRV_4 J4 DDRV_5 J5 DDRV_6 J6 DDRV...

Page 53: ...GND 3 GND 4 GND 2 GND 5 C190 15p 50V NC EM SA R721 0R R68 100REU C474 1u 25V EM SA C333 1n 50V SA R620 2 2k NC R110 100REM SA R622 470k NC R141 0R C297 100n 16V EU C130 22p 50V EU C569 1n 50V SA C614...

Page 54: ..._2B N25 HDMI_0_RX_C T26 HDMI_0_RX_CB T25 HDMI_1_RX_0 V26 HDMI_1_RX_0B V25 HDMI_1_RX_1 U24 HDMI_1_RX_1B U23 HDMI_1_RX_2 T24 HDMI_1_RX_2B T23 HDMI_1_RX_C V24 HDMI_1_RX_CB V23 HDMI_2_RX_0 Y24 HDMI_2_RX_0...

Page 55: ...NC2 5 RD2 _5 6 CT2 7 RD2 _7 8 RX2 _8 9 CMT2 10 RX2 _10 11 NC3 12 NC4 13 TX2 _13 14 CMT1 15 TX1 _15 16 R564 47R EU EM R8 0R NC R597 22R EU EM R214 20k NC R565 47R EU EM R609 10k EU EM R197 75R R229 22...

Page 56: ...1PG121SN1 C958 10u 50VV C908 NC 100n 250V L909 NC BLM18PG121SN1 L906 NC BLM18PG121SN1 C955 1n DC1000VV CY802 NC 470p 400VV C854 NC 1n DC1000VV VD939 US3M 13 1 2 O6 C871 NC 1n 1KVV OZ531TGN N801 VCC 6...

Page 57: ...8 DVSS_123 U8 DVSS_124 V8 DVSS_125 W8 DVSS_126 Y8 DVSS_127 AA8 DVSS_128 AB8 DVSS_129 B9 DVSS_130 D9 DVSS_131 G9 DVSS_132 H9 DVSS_133 M9 DVSS_134 N9 DVSS_135 P9 DVSS_136 R9 DVSS_137 T9 DVSS_138 U9 DVSS...

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