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Summary of Contents for Hisense 40LD824F
- Page 1 LCD Television Service Manual Chassis： MSD209GL Product Type： Ver 1.0 Hisense Electric Co.，Ltd. April，2010...
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Page 2: Table Of Contents
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......................- 21 - Hisense Confidential - 2 -... -
Page 3: Service Manual
USE OF NON-AUTHORIZED PARTS WILL VOID THE MANUFACTURE'S WARRANTY Proper service and repair is important to the safe, reliable operation of all Hisense Electric Co., Ltd Equipment. The service procedures recommended by Hisense and described in this Service Guide are effective methods of performing service operations. -
Page 4: Warning
LCD TV Service Manual techician trained in the proper Television safety and service methods and procedures Hereafter throughout this manual, Hisense Electric Co., Ltd will be referred to as Hisense. 1.1 Warning 1.1.1 Critical components having special safety characteristics are identified with a by the Ref. - Page 5 -Note: >All wire harnesses and 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. Hisense Confidential - 5 -...
- Page 6 (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, Hisense Confidential - 6 -...
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Page 7: Notes
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 Hisense Confidential - 7 -... - Page 8 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 literature accompanying the set. Hisense Confidential - 8 -...
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Page 9: Factory/Service Osd Menu And Adjustment
6. Press the standby button then AC turn off and restart the TV, which can exit factory OSD menu. 2.2 Factory OSD Menu The Factory OSD Menu comprises Factory Menu and Design Menu . 2.2.1、Factory Menu Factory Menu Panel Software Version WhiteBalance Auto Color Optons Clean All Clean Protect Test Pattern Hisense Confidential - 9 -... - Page 10 LCD TV Service Manual 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: Hisense Confidential - 10 -...
- Page 11 LCD TV Service Manual Options TOFAC Logo Hisense OSD language English HDCP Mode outside HIDEV Test Pattern 2.2.2、Design Menu Design Menu Color Temperature Video Curve Picture Mode Audio Curve Sound Mode EMC Adjust Over Scan Hisense Confidential - 11 -...
- Page 12 Color Contrast TINT Curve _0 Curve _25 Curve _50 Curve _75 Curve 100 Audio Curve Curve _0 Curve _25 Curve _50 Curve _75 Curve _100 MODE ATV VOL AV VOL HDMI VOL 120HZ/500HZ/ 1.5KHZ/5KHZ /10KHZ Hisense Confidential - 12 -...
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Page 13: Update Sotfwre
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". Hisense Confidential - 13 -... -
Page 14: Troubleshooting
Try new batteries Replace battery Replace RC Replace remote control Check IR receiver Change Led & IR board Replace Led & IR BD Change Led & IR cable Replace Led & IR cable Replace main board Hisense Confidential - 14 -... -
Page 15: Troubleshooting For Function Key
4.2 Troubleshooting for Function Key Buttons does not work Check solder connections and Check switches see if any switches are stuck. Replace Key BD Check key board Check Key BD cable Change Key BD Replace main board Hisense Confidential - 15 -... -
Page 16: Tv Won't Power On
Try Power on by Check signal RC and Button Panel Bright Source Neither Both works Work Replace Main Replace Main BD Power on Replace Panel (to contact Hisense tech support.) Replace Power BD Hisense Confidential - 16 -... -
Page 17: Troubleshooting For Audio
LCD TV Service Manual 4.4 Troubleshooting for Audio No sound Reconnect Check connecter Replace speaker wire Check speaker wire Replace speaker set Check speaker set Replace main board Power Supply Board Hisense Confidential - 17 -... -
Page 18: Troubleshooting For Tv/Vga/Hdmi Input
LCD TV Service Manual 4.5 Troubleshooting for TV/VGA/HDMI input No picture on the screen Check Signal Source Make sure signal source is available Reconnect Check connect Check cable Replace cable Replace main board Hisense Confidential - 18 -... -
Page 19: Troubleshooting For Ypbpr Input
LCD TV Service Manual 4.6 Troubleshooting for YPbPr input No picture on the screen Check Source work or not Check Source Device Reconnect Check connect Check Wires (Green Blue, Red) Replace wires Replace main board Hisense Confidential - 19 -... -
Page 20: Troubleshooting For Video/S-Video Input
LCD TV Service Manual 4.7 Troubleshooting for Video/S-Video input No picture on the screen Check Source work or not Check Signal Source Reconnect Check connect Replace Cable/Wires Check Cable/ Wires Replace main board Hisense Confidential - 20 -... -
Page 21: Explode View
LCD TV Service Manual 5. Explode View 6. Schematic circuit diagram Hisense Confidential - 21 -... - Page 22 lens led RSAG8.640.077 IR board unit RSAG2.908.1566 screw SJ2824-87 ST3X10C insulated flat RSAG8.600.081 RSAG8.041.252 terminal bracket 1 main board unit RSAG2.908.1818 terminal bracket 1 RSAG8.041.253 screw SJ2836-87 M3X8 insulated flat RSAG8.600.082 scutcheon RSAG8.804.961 scutcheon RSAG8.804.960 screw GB/T 818-2000 M6X12 base unit RSAG6.121.084 screw GB/T818-2000 M4X8...
- Page 23 LTDN46T28GAM(1) 您正在使用 ZWCAD 2008i 试用版 详情请查阅WWW.ZWCAD.COM 24、39 比例 1:4...
- Page 24 LTDN46T28GAM(1) Part NO. Part Name Code No. Qty. 126716 Front bezel RSAG8.179.364-1\Z15 1062559 RSAG8.038.2031\ROH Bracket 1059607 SJ2824-87 ST4X12C\ROH Screw 123200 RSAG2.908.1724-2\ROH Keypad PCA Light window 1065414 RSAG8.647.348\Z0\ROH 1049924 Power Switch PS8-12-D-047B/BB\ROHDEL 1061622 RSAG8.038.2006\ROH Bracket 1066802 VIT2722-10W8Ω-01\ROH Speaker 1042519 SJ2838-87 ST4X12F.II\ROH\ST Screw 1062495 RSAG8.078.696\ROH...
- Page 25 C805 C807 F801 300v 102/2KV 102/AC250V RT801 T6.3A/250VAC XP801 300V R801 VB801 L801 270k L802 NTC5D-20 10A/600V RV801 VH-3AW-2 C802 R802 C808 C902 10D561 XP804 270k 474/AC275V T803 1n/2KV VD905 C801 C914 L904 LCL-2420H LCL-2420H C912 C806 474/AC275V R909 470u/16V 474/AC250V R803 104/50V...
- Page 26 33V_Normal N2 AMS1117-1.8V N2 AMS1117-1.8V VCC1.8V 300mA VOUT VOUT_3 BL-ON/OFF C118 C118 R862 R862 0.1u 0.1u CA112 CA112 C116 C116 XP15 XP15 FB/3216 FB/3216 4.7K 4.7K ON_PBACK 100uF/16V 100uF/16V 0.1u 0.1u ON_PBACK BL-ADJUST 3904 3904 R863 R863 VCC-A 4.7K 4.7K ADJ-PWM2 ADJ-PWM2 3904...
- Page 27 DDR18V-1 C166 33p C166 33p T_AFT USB1_DP POW-SINK MVREF-2 POW-SINK USB1_DM AVDD_DDR DDR18V-1 SPDIF_OUT Close to IC as close as R107 R107 USB1_OC_DET 7 12MHZ 12MHZ B-DQM0 R119 R119 B_DQM0 possible with width USB0_OC_DET 7 B-DQM1 R132 R132 B_DQM1 trace 5Vstb C175 0.1u C175 0.1u...
- Page 28 5V_TUNER C694 C694 C695 C695 +12V R216 R216 R217 R217 VA1G5BF2011 VA1G5BF2011 NC/10p NC/10p NC/10p NC/10p 10R/2W 10R/2W 10R/2W 10R/2W LM7805 LM7805 Tuner_CLK RP21 RP21 56RX4 56RX4 TS_CLK SRCK VOUT Tuner_DATA TS_DATA SHIELD SRDT CA120 CA120 C698 C698 TS_VLD Tuner_VLD CA119 CA119 100uF/16V...
- Page 29 HDTV1和AV2复用 R219 470R R219 470R C222 C222 RGB1_SOG RGB1_SOG HDTV1 HDTV1 左 左 HDTV1_GIN+ HD1_YIN R220 47R R220 47R C223 C223 RGB1_Y+ RGB1_Y+ R472 R472 HDTV1_GIN+ 绿 绿 C244 C244 HDTV1_GIN+ NC/0R NC/0R HD1_YIN R222 R222 C225 C225 R467 R467 R458 R458 0.1uF...
- Page 30 HDMI 2 XS32 HDMI/180D XS32 HDMI/180D HDMI0-5V SHIELD SHIELD_19 HDMI0-5V +5V_8 CEC/DDC GND_9 HDMI-0-SCL DDC SCL_3 HDMI-0-SDA DDC SDA_4 HDMI0_CEC HDMI0_HPDIN SHIELD_20 HDMI0-5V Dat2 shield_7 Dat1 shield_2 HDMI0_VCC HDMI0-5V Dat0 shield_13 clk shield_14 R291 R291 SHIELD_21 HDMI0_RX0P R297 R297 HDMI0-RX0P BAT54C BAT54C DAT0+_12...
- Page 31 XS35 XS35 VGA-TX R342 R342 C272 47n C272 47n RIN+ RIN+ R343 R343 C273 47n C273 47n GIN+ GIN+ R344 R344 C274 47n C274 47n BIN+ BIN+ VGA-RX R345 R345 470R 470R C275 1n C275 1n SOG_RGB SOG_RGB VGA5V R348 R348 R347 R347...
- Page 32 AP2172 AP2172 5V_USB0 33V_Normal OUT1 ON_USB0 4.7K 4.7K CA110 CA110 ON_USB0 USB0_OC_DET 100uF/16V 100uF/16V 0.1u 0.1u USB0_OC_DET OC1_7 5V_USB1 ON_USB1 4.7K 4.7K ON_USB1 OUT2 USB1_OC_DET CA111 CA111 USB1_OC_DET OC2_4 100uF/16V 100uF/16V 0.1u 0.1u R186 R186 33V_Normal XS24 XS24 5V_USB0 USB0_DM 4.7R 4.7R R376...
- Page 33 Power On Mute CA124 CA124 AUDIO OP +12V R806 R806 100uF/16V 100uF/16V R807 R807 NC/0R NC/0R +12V +12V +12V R808 R808 R811 R811 NC/0R NC/0R VCC-A VCC-A R809 R809 BAV99 BAV99 6VBuf1 R833 R833 R810 R810 NC/1K NC/1K 1N4148 1N4148 R813 R813 10V/NC...
- Page 34 500+550+250=1300mA VCC3.3V_120HZ MP1482 MP1482 27uH/1.5A 27uH/1.5A R894 R894 100K 100K C300 C300 COMP C295 C295 C292 C292 CA139 CA139 C117 C117 CA140 CA140 C110 C110 100uF/16V 100uF/16V 0.1u 0.1u 220uF/16V 220uF/16V 0.1u 0.1u 10uF 10uF C298 C298 R891 R891 0.1u 0.1u R893 R893...
- Page 35 Close to MST IC AVDD_MPLL_120HZ AVDD_LPLL_120HZ AVDD_LVDS_120HZ VCC3.3V_120HZ AVDD_120HZ VDDC_120HZ VDDP_120HZ RXE0+ RXE0+ 100R 100R RXE0- RXE0- GPIO1_120HZ NC/10K NC/10K RXE1+ RXE1+ 100R 100R RXE1- RXE1- RXE2+ RXE2+ PWM0_120HZ 100R 100R RXE2- RXE2- NC/10K NC/10K RXEC+ RXEC+ 100R 100R RXEC- RXEC- PWM1_120HZ RXE3+...
- Page 36 3.3V XPA1 TEST 3.3V PIN4 XPA2 AD_1 LED1 LED2 LED3 LED4 LED5 LED6 LED7 AD_2 3.3V MARK PIN4 LED_CON BC847BW 3.3K 接口部分： LED 封装为 0603 ，位于按键下方， 1 、 XPA2 、 XPA3 接口为为 2.0 间距卧式直插插座； MARK MARK MARK MARK MARK 抠孔透光； 2 、...
- Page 37 3.3V XPA1 RSAG7.820.1959 TEST 3.3V (VER.B) PIN4 XPA2 AD_1 LED1 LED2 LED3 LED4 LED5 LED6 LED7 AD_2 3.3V MARK PIN4 LED_CON BC847BW 3.3K 接口部分： LED 封装为 0603 ，位于按键下方， 1 、 XPA2 、 XPA3 接口为为 2.0 间距卧式直插插座； MARK MARK MARK MARK MARK 抠孔透光；...
- Page 38 R116 R116 BAV99 BAV99 NC/47 NC/47 MARK MARK MARK MARK R115 R115 BAV99 BAV99 C410 C410 TJC10-8A TJC10-8A R105 R105 4.7uF 4.7uF R106 R106 NC/47 NC/47 ARROW ARROW ARROW ARROW Rext C412 C412 C413 C413 ISL29101 ISL29101 R117 R117 R114 R114 220K 220K...
- Page 39 R116 R116 RSAG7.820.1725 BAV99 BAV99 (VER.C) NC/47 NC/47 MARK MARK MARK MARK R115 R115 BAV99 BAV99 C410 C410 TJC10-8A TJC10-8A R105 R105 4.7uF 4.7uF R106 R106 NC/47 NC/47 ARROW ARROW ARROW ARROW Rext C412 C412 C413 C413 ISL29101 ISL29101 R117 R117 R114 R114...
- Page 40 5Vstb CONN RECT 1 CONN RECT 1 D3.5 D3.5 5Vstb 3904 3904 4.7k 4.7k CONN RECT 1 CONN RECT 1 3904 3904 D3.5 D3.5 4.7k 4.7k 4.7k 4.7k CONN RECT 1 CONN RECT 1 R11 NC/0R R11 NC/0R R12 NC/0R R12 NC/0R CONN RECT 1 CONN RECT 1...
- Page 41 RSAG7.820.1968 (VER.A) 5Vstb CONN RECT 1 CONN RECT 1 D3.5 D3.5 5Vstb 3904 3904 4.7k 4.7k CONN RECT 1 CONN RECT 1 3904 3904 D3.5 D3.5 4.7k 4.7k 4.7k 4.7k CONN RECT 1 CONN RECT 1 R11 NC/0R R11 NC/0R R12 NC/0R R12 NC/0R CONN RECT 1...
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