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LCD TV Service Manual

Hisense Confidential

4.2 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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Содержание MSD209GL

Страница 1: ...LCDTelevision Service Manual Chassis MSD209GL Product Type Ver 1 0 Electric Co April 2010 ...

Страница 2: ...actory OSD Menu 9 2 2 Factory OSD Menu 9 3 UPDATE SOTFWRE 13 4 Troubleshooting 14 4 1 Troubleshooting for Remote Control 14 4 2 Troubleshooting for Function Key 15 4 3 TV won t Power On 16 4 4 Troubleshooting for Audio 17 4 5 Troubleshooting for TV VGA HDMI input 18 4 6 Troubleshooting for YPbPr input 19 4 7 Troubleshooting for Video S Video input 20 5 Explode View 21 6 Schematic circuit diagram 2...

Страница 3: ...this Service Guide are effective 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 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 person...

Страница 4: ... or altered without written permission from Hisense Hisense assumes 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 susceptible to electrostatic discharges ESD Careless handling during repair can reduce life drastically When repairing be sure to use anti static table mats and pr...

Страница 5: ...rer or have the same characteristics as the original part Unauthorized 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 original condition In addition prior to closing set check that Note All wire harnesses and flex cables are properly routed and secured wi...

Страница 6: ...ock 4 If the product emits smoke and abnormal smell or makes an abnormal sound immediately turn off the power Continuing to use the 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 cause fire or electric shock 7 If the power cable is damaged or if the...

Страница 7: ...he power source of the TV during servicing To prevent electric shock and breakage of PC board start the servicing work at least 30 seconds after the main power has been turned off Especially when installing and removing the 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 specif...

Страница 8: ...e deformation of parts and short circuits due to residual electric charge Perform a safety check when servicing is completed Verify that the peripherals of 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 in accordance with the original setup The lig...

Страница 9: ...de in the factory OSD menu When TV outgoing factory user can not enter factory OSD menu with Factory Remote b With user s RC 1 Power TV On 2 Press Menu button and call up User OSD Menu 3 Select Sound Balance 4 When Balance value is 0 Enter 0 5 3 2 in sequence Note If necessary re do number keys 5 Factory OSD appears 6 Press the standby button then AC turn off and restart the TV which can exit fact...

Страница 10: ... 10 LCD TV Service Manual Hisense Confidential White Balance Mode R GAIN G GAIN B GAIN R OFFSET G OFFSET B OFFSET TEMPERATURE Auto Color MODE AUTO ADC R GAIN G GAIN B GAIN R OFFSET G OFFSET B OFFSET ...

Страница 11: ...sense Confidential 2 2 2 Design Menu Design Menu Color Temperature Video Curve Picture Mode Audio Curve Sound Mode EMC Adjust Over Scan Test Pattern OFF Options TOFAC M Logo Hisense OSD language English HDCP Mode outside HIDEV off ...

Страница 12: ...OL AV VOL HDMI VOL 120HZ 500HZ 1 5KHZ 5KHZ 10KHZ Video Curve MODE Brightness Sharpness Color Contrast TINT Curve _0 Curve _25 Curve _50 Curve _75 Curve 100 Sound Mode 120HZ 500HZ 1 5KHZ 5KHZ 10KHZ Mode Standard Music Movie Speech Picture Mode Mode Picture Mode Standard Soft User Bright BRIGHTNESS 50 C0NTRAST 50 COLOR 50 ...

Страница 13: ...turn on the TV then insert the USB the update file merge bin should in root directory you should go to Option Software Update USB in the main menu After the updating TV will reboot If enter the Software Update option it can not update please reboot the TV and insert the USB again After the updating you must confirm the software in the Factory Menu and you d better Clear All Over Scan H_Size H_Pos ...

Страница 14: ...roubleshooting for Remote 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 ...

Страница 15: ...tial 4 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 ...

Страница 16: ...ypad 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 BLUE Panel Bright NO Replace Main BD NO YES Check signal Source YES NO YES Replace Panel to contact Hisense tech support OK ...

Страница 17: ...sense Confidential 4 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 NO Power Supply Board ...

Страница 18: ...isense Confidential 4 5 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 NO NO ...

Страница 19: ...sense Confidential 4 6 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 YES NO ...

Страница 20: ...nse Confidential 4 7 Troubleshooting for Video S 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 YES NO ...

Страница 21: ... 21 LCD TV Service Manual Hisense Confidential 5 Explode View 6 Schematic circuit diagram ...

Страница 22: ...lack screw 15 SJ2836 87 M3X6 screw 2 GB T 818 2000 M4X6 insulated flat 1 RSAG8 600 144 power connect board 1 RSAG2 908 1730 1 screw 1 SJ2836 87 M4X6 bracket 1 RSAG8 038 2046 power line 1 YS 17 2 VH bracket 1 RSAG8 038 2043 TFT panel 1 LTA400HF16 JK rating label 1 RSAG8 807 5000 screw 7 GB T818 2000 M4X8 certificate 1 RSAG8 812 002 screw 4 2834 87 M8X10 III bracket 1 RSAG8 078 687 back cover 1 RSAG...

Страница 23: ...您正在使用 ZWCAD 2008i 试用版详情请查阅WWW ZWCAD COM LTDN46T28GAM 1 36 37 38 比例 1 4 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 20 19 18 21 24 39 26 27 28 17 22 23 29 31 32 33 34 35 30 2 25 40 41 ...

Страница 24: ...Bracket RSAG8 038 2218 ROH 1 20 1031750 Screw GB T818 2000 M4X8 ROH 4 21 1031750 Screw GB T818 2000 M4X8 ROH 1 22 1062558 Bracket Unit RSAG6 150 699 ROH 1 23 1069961 Power Cord YP301 322 VH ROH 1 24 1064871 Terminal Bracket RSAG8 041 253 ROH 1 25 1068400 Insulating flake RSAG8 600 153 ROH 1 26 1064870 Terminal Bracket RSAG8 041 252 ROH 1 27 124142 Main Board RSAG2 908 1818 ROH 1 28 1042535 Screw S...

Страница 25: ...P0XP80503 P0XP80504 P0XP80507 P0XP80508 P0XP805013 P0C80402 P0C80502 P0C80202 P0C80601 P0C80801 P0C81402 P0C81502 P0C81602 P0C81702 P0C81801 P0C81902 P0C82102 P0C82202 P0C82402 P0C83101 P0C83201 P0C83301 P0C83402 P0C83501 P0C83702 P0C83802 P0C84002 P0C84201 P0C85001 P0C85101 P0C85202 P0C90502 P0C90702 P0C90801 P0C90902 P0C91002 P0C92502 P0L811013 P0N81106 P0N831010 P0N83202 P0N90103 P0N90203 P0R81...

Страница 26: ...C 1 2 C123 2 2u C123 2 2u R12 1K R12 1K R881 5 1K_1 R881 5 1K_1 R884 0R R884 0R 1 2 R763 10K FR R763 10K FR 1 2 C163 0 1u C163 0 1u 1 2 CA135 220uF 16v CA135 220uF 16v 1 2 C114 0 1u C114 0 1u 1 2 L120 FB220 300mA L120 FB220 300mA 1 2 C113 0 1u C113 0 1u 1 2 C136 0 1u C136 0 1u 1 2 C142 0 1u C142 0 1u L9 27uH 1 5A L9 27uH 1 5A 1 2 C122 10uF C122 10uF C146 0 1u C146 0 1u C126 0 1u C126 0 1u 1 2 L121...

Страница 27: ...I LVDS x 2 _10 bits_ GPIO Ethernet DDR2 x16 Data DDR2 x16 Addr CLK I2S O I UART I2C M PM USB x1 DDC x1 DDCx2 I2C S SIF x1 Serial TS PM SPI SAR x4 N8A MSD209 VIF_256p HDMI in x2 RGB in x3 CVBS in x7 _incl S video_ CVBS O x2 VIF x 1 _NC_ AUDIO Lin x5 Lout x3 HDMI in x1 USB x1 SPI LVDS x 2 _10 bits_ GPIO Ethernet DDR2 x16 Data DDR2 x16 Addr CLK I2S O I UART I2C M PM USB x1 DDC x1 DDCx2 I2C S SIF x1 S...

Страница 28: ...mA CA121 100uF 16V CA121 100uF 16V R195 47R R195 47R C709 0 1u C709 0 1u 1 2 V9 3904 V9 3904 1 2 3 CA119 100uF 16V CA119 100uF 16V R400 10K R400 10K C708 1n C708 1n 1 2 C203 0 1u C203 0 1u ADJ OUT IN N17 AMS1117 1 2V ADJ OUT IN N17 AMS1117 1 2V 1 2 3 4 R399 10K R399 10K C713 2 2u C713 2 2u 1 2 V10 3904 V10 3904 1 2 3 R198 100R R198 100R CA120 100uF 16V CA120 100uF 16V ADJ OUT IN N15 AMS1117 3 3V A...

Страница 29: ...XS7 HDTV1 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 V26 3904 V26 3904 1 2 3 C250 47n C250 47n D26 ESD D26 ESD 1 2 C389 10uF C389 10uF C379 10uF C379 10uF D9 ESD D9 ESD 1 2 C229 NC 10pF C229 NC 10pF R232 47R R232 47R R223 12K R223 12K C225 NC 10pF C225 NC 10pF C248 47n C248 47n R226 75R R226 75R C241 10nF C241 10nF 1 2 R458 22R R458 22R D23 ESD D23 ESD 1 2 C222 1n C222 1n R468 22K R468 22K C223 47n C223 ...

Страница 30: ...3 0 1uF D94 ESD D94 ESD 1 2 R664 0R R664 0R C305 0 1uF C305 0 1uF D68 ESD D68 ESD 1 2 R665 NC 4K7 R665 NC 4K7 D84 ESD D84 ESD 1 2 R437 22K R437 22K R639 0R R639 0R D97 ESD D97 ESD 1 2 R535 0R R535 0R V19 3904 V19 3904 1 2 3 R404 NC 4 7K R404 NC 4 7K R668 NC 10K R668 NC 10K D36 ESD D36 ESD 1 2 N18 NC 24C02 N18 NC 24C02 NC 1 NC_1 2 NC_2 3 GND 4 SDA 5 SCL 6 WP 7 VCC 8 R380 10K R380 10K 1 2 D45 ESD D4...

Страница 31: ... 1 2 R352 100R R352 100R R364 10K R364 10K 1 2 C279 2 2u C279 2 2u C282 560p C282 560p C277 47n C277 47n R361 100R R361 100R XS35 VGA XS35 VGA 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 D75 ESD D75 ESD 1 2 R348 75R R348 75R R356 4 7K R356 4 7K C281 560p C281 560p R349 75R R349 75R C338 0 1u C338 0 1u R354 4 7K R354 4 7K R342 47R R342 47R R367 12K R367 12K 1 2 R355 4 7K R355 4 7K D72 ESD D72 ESD 1 2...

Страница 32: ...ment Number Rev Date Sheet of USB VIF 256p demo Board 13 7 1 0 A4 Friday November 27 2009 Title Size Document Number Rev Date Sheet of USB VIF 256p demo Board 13 7 1 0 A4 Friday November 27 2009 R378 4 7R R378 4 7R 1 2 D77 ESD D77 ESD 1 2 R16 10K R16 10K C3 0 1u C3 0 1u R39 4 7K R39 4 7K R376 4 7R R376 4 7R 1 2 CA110 100uF 16V CA110 100uF 16V CA111 100uF 16V CA111 100uF 16V XS24 ZJ USB W XS24 ZJ U...

Страница 33: ...B2 25 NC 26 GAIN2 27 GAIN1 28 CPRO 29 AGND_29 30 DVDD 31 VD 32 ROC 33 ROSC 34 NC_34 35 VSB1 36 OUTB1 37 OUTB1_37 38 VDB1 39 VDB1_39 40 SPIB1 41 HBB1 42 HBA1 43 SPIA1 44 VDA1 45 VDA1_45 46 OUTA1 47 OUTA1_47 48 EPAD 49 R816 4 7K R816 4 7K R499 10 NC R499 10 NC 1 2 R436 10K R436 10K 1 2 C450 0 1u C450 0 1u 1 2 C658 0 1u C658 0 1u R834 220R R834 220R C666 10uF C666 10uF R861 10K R861 10K C426 0 47uF C...

Страница 34: ...R891 10K R891 10K R896 16K_1 R896 16K_1 C22 100nF C22 100nF 1 2 L20 FB L20 FB C297 1n C297 1n 1 2 CA16 100uF 25V CA16 100uF 25V CA17 100uF 16V CA17 100uF 16V C293 10uF C293 10uF C61 100nF C61 100nF 1 2 C39 100nF C39 100nF 1 2 C299 0 1u C299 0 1u 1 2 CA23 100uF 16V CA23 100uF 16V C49 100nF C49 100nF 1 2 C44 2 2uF C44 2 2uF C51 100nF C51 100nF 1 2 C78 100nF C78 100nF 1 2 R894 100K R894 100K C46 10uF...

Страница 35: ... 8 _165 4 GPIO 9 _166 5 VSS_167 6 VDDC_168 7 GPIO 10 _169 8 GPIO 11 _170 9 GPIO 12 _171 10 GPIO 13 _172 11 PDI 12 BIST 13 GPIO 14 _175 14 VDDP_176 15 VSS_177 16 VDDC_178 17 DDR2_DQ 4 _179 18 DDR2_DQ 3 _180 19 VSS_181 20 DDR2_DQ 1 _182 21 DDR2_DQ 6 _183 22 AVDD_DDR_184 23 DDR2_DQ 11 _185 24 DDR2_DQ 12 _186 25 VSS_187 26 DDR2_DQ 9 _188 27 DDR2_DQ 14 _189 28 AVDD_DDR_190 29 DDR2_DQM 1 _191 30 DDR2_DQ...

Страница 36: ...100K R7 100K Sensor_1 Sensor_2 Sensor_3 Sensor_4 Ca_Out Ca_Ref Sensor_1 Sensor_2 Sensor_3 Sensor_4 Ca_Out Ca_Ref PWM_2 R15 3 3K V1 BC847BW R16 100 R17 100 R18 100 R19 100 R20 100 R21 100 1 2 LED1 1 1 2 2 LED2 1 2 LED3 1 2 LED4 1 2 LED5 1 2 LED6 3 3V LED_CON 1 2 3 4 XPA1 PIN4 3 3V TEST RST 3 3V AD_1 AD_2 AD_1 AD_2 接口部分 1 XPA2 XPA3接口为为2 0间距卧式直插插座 2 XPA1为调试接口留出焊盘方便调试 3 I2C接口也为后期调试接口最好有如果影响PCB布局可...

Страница 37: ...0K Sensor_1 Sensor_2 Sensor_3 Sensor_4 Ca_Out Ca_Ref Sensor_1 Sensor_2 Sensor_3 Sensor_4 Ca_Out Ca_Ref PWM_2 R15 3 3K V1 BC847BW R16 100 R17 100 R18 100 R19 100 R20 100 R21 100 1 2 LED1 1 1 2 2 LED2 1 2 LED3 1 2 LED4 1 2 LED5 1 2 LED6 3 3V LED_CON 1 2 3 4 XPA1 PIN4 3 3V TEST RST 3 3V AD_1 AD_2 AD_1 AD_2 接口部分 1 XPA2 XPA3接口为为2 0间距卧式直插插座 2 XPA1为调试接口留出焊盘方便调试 3 I2C接口也为后期调试接口最好有如果影响PCB布局可以不要上面的两个电...

Страница 38: ... VR1 NC 3904 VR1 NC 3904 VDR1 NC LED 2 SMT VDR1 NC LED 2 SMT N 1 N 2 P 4 P 3 20 MARK 20 MARK N1 ISL29101 N1 ISL29101 Vdd 1 Vss 2 Rext 3 GND 4 SCL 5 SDA 6 14 MARK 14 MARK 7 MARK 7 MARK R102 100 R102 100 R107 NC 180 R107 NC 180 25 MARK 25 MARK XP2 TJC10 3A XP2 TJC10 3A 1 2 3 U3 MACHINE U3 MACHINE 18 MARK 18 MARK 1 MARK 1 MARK V45 BAV99 V45 BAV99 3 2 1 12 MARK 12 MARK M14 M14 M14 M14 U5 MACHINE U5 MA...

Страница 39: ...4 VR1 NC 3904 VDR1 NC LED 2 SMT VDR1 NC LED 2 SMT N 1 N 2 P 4 P 3 20 MARK 20 MARK N1 ISL29101 N1 ISL29101 Vdd 1 Vss 2 Rext 3 GND 4 SCL 5 SDA 6 14 MARK 14 MARK 7 MARK 7 MARK R102 100 R102 100 R107 NC 180 R107 NC 180 25 MARK 25 MARK XP2 TJC10 3A XP2 TJC10 3A 1 2 3 U3 MACHINE U3 MACHINE 18 MARK 18 MARK 1 MARK 1 MARK V45 BAV99 V45 BAV99 3 2 1 12 MARK 12 MARK M14 M14 M14 M14 U5 MACHINE U5 MACHINE R109 ...

Страница 40: ...ECT 1 1 7 CONN RECT 1 7 CONN RECT 1 1 R12 NC 0R R12 NC 0R 33 MARK 33 MARK 27 MARK 27 MARK 8 CONN RECT 1 8 CONN RECT 1 1 XP1 XP1 1 2 3 4 5 39 MARK 39 MARK 15 CONN RECT 1 15 CONN RECT 1 1 M CONN RECT 1 M CONN RECT 1 1 R2 4 7k R2 4 7k R13 0R R13 0R R16 330 R16 330 12 CONN RECT 1 12 CONN RECT 1 1 32 MARK 32 MARK 26 MARK 26 MARK R1 4 7k R1 4 7k 18 CONN RECT 1 18 CONN RECT 1 1 VDR8 LED VDR8 LED 6 CONN R...

Страница 41: ...CONN RECT 1 7 CONN RECT 1 1 R12 NC 0R R12 NC 0R 33 MARK 33 MARK 27 MARK 27 MARK 8 CONN RECT 1 8 CONN RECT 1 1 XP1 XP1 1 2 3 4 5 39 MARK 39 MARK 15 CONN RECT 1 15 CONN RECT 1 1 M CONN RECT 1 M CONN RECT 1 1 R2 4 7k R2 4 7k R13 0R R13 0R R16 330 R16 330 12 CONN RECT 1 12 CONN RECT 1 1 32 MARK 32 MARK 26 MARK 26 MARK R1 4 7k R1 4 7k 18 CONN RECT 1 18 CONN RECT 1 1 VDR8 LED VDR8 LED 6 CONN RECT 1 6 CO...

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