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LCD Television
Service Manual
Chassis: MSD209GL
Product Type:
Ver 1.0
Electric Co.,.
April,2010

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Table of Contents
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Summary of Contents for JVC MSD209GL

  • Page 1 LCD Television Service Manual Chassis: MSD209GL Product Type: Ver 1.0 Electric Co.,. April,2010...
  • Page 2: Table Of Contents

    LCD TV Service Manual Contents Contents ............................... - 2 - Service Manual............................ - 3 - 1. Precautions and notices......................- 3 - 1.1 Warning ..........................- 4 - 1.2 Notes ..........................- 7 - 2. Factory/Service OSD Menu and Adjustment................- 9 - 2.1 To enter the Factory OSD Menu ..................
  • Page 3: Service Manual

    LCD TV Service Manual Service Manual 1. Precautions and notices BEFORE SERVICING THE LCD TV, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. USE ONLY MANUFACTURER SPECIFIED REPLACEMENT PARTS WHEN SERVICING. 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.
  • 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 LCD TV Service Manual IMPORTANT: Always disconnect the power cord from AC outlet before replacing parts or modules. 1.1.3 To prevent electrical shock, use only a properly grounded 3 prong outlet or extension cord. 1.1.4 When replacement parts are required, be sure to use replacement parts specified by the manufacturer or have the same characteristics as the original part.
  • Page 6 LCD TV Service Manual 1.1.6 (1) Do not supply a voltage higher than that specified to this product. This may damage the product and may cause a fire. (2) Do not use this product: > High humidity areas > In an area where any water could enter or splash into the unit. High humidity and water could damage the product and cause fire.
  • Page 7: Notes

    LCD TV Service Manual or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over. 1.2 Notes Notes on Safe Handling of the LCD panel and during service The work procedures shown with the Note indication are important for ensuring the safety of the product and the servicing work.
  • Page 8 LCD TV Service Manual 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 observe this precaution may result in, the surface of the panel being scratched by foreign matter.
  • Page 9: Factory/Service Osd Menu And Adjustment

    LCD TV Service Manual 2. Factory/Service OSD Menu and Adjustment 2.1 To enter the Factory OSD Menu a. With factory RC (remote control) 1. Press “M” button and enter factory mode. 2. Press “Menu” button and enter factory OSD menu. 3 .
  • 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 LCD TV Service Manual Picture Mode Sound Mode Mode Picture Mode Standard 120HZ Soft 500HZ User 1.5KHZ Bright 5KHZ BRIGHTNESS 10KHZ C0NTRAST Mode Standard COLOR Music Movie Speech Video Curve MODE Brightness Sharpness Color Contrast TINT Curve _0 Curve _25 Curve _50 Curve _75 Curve 100...
  • Page 13: Update Sotfwre

    LCD TV Service Manual SSC Adjust SSC MIU Over Scan MIU SPAN MIU STEP H_Size H_Pos SSC LVDS V_Size LVDS SPAN V_Pos LVDS STEP Note : The above “Factory/Service OSD Menu” are reference only, please refer to the actual units to determine the appearances.
  • Page 14: Troubleshooting

    LCD TV Service Manual 4. Troubleshooting 4.1 Troubleshooting for Remote Control Remote control does not work 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 &...
  • Page 15: Troubleshooting For Function Key

    LCD TV Service Manual 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

    LCD TV Service Manual 4.3 TV won’t Power On TV won’t power on Make Sure Power Check Power source is live light? Output Replace Check Power BLUE Power Cord Cord Check/replace IR Only BD or Keypad one works Try Power on by Check signal RC and Button Panel Bright...
  • 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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