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Haier L40B650CF Service Manual
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Haier L40B650CF Service Manual

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Haier
SERVICE MANUAL
LED TV
Model No. LE40B650CF
Chassis
SIS231C1CI
WARNING
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair
the product or products dealt with in this service information by anyone else could result in serious injury or death.
©2013 Qingdao Haier Electronics Co., Ltd.
All rights reserved. Unauthorized copying and distribution is a violation of law.

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Summary of Contents for Haier L40B650CF

  • Page 1 Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death. ©2013 Qingdao Haier Electronics Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.
  • Page 2 Service Manual Model No.: LE40B650CF CONTENTS Chapter 1. General Information 1-1. Document Information ..............3 1-2. General Guidelines..............3 1-3. Important Notice.................3 1-3-1. Follow the regulations and warnings ............. 3 1-3-2. Be careful to the electrical shock ............3 1-3-3. Electro static discharge (ESD)..............3 1-3-4.
  • Page 3 Service Manual Model No.: LE40B650CF 4-3-2. Connector definition ................15 4-4. LCD Panel ..................16 Chapter 5. Installation Instructions 5-1. Accessories ................18 5-2. External Equipment Connections..........19 Chapter 6. Operation Instructions 6-1. Front Panel Controls..............20 6-2. Back Panel Controls ..............21 6-3. Setting Up Your Remote Control ..........22 Chapter 7.
  • Page 4 Service Manual Model No.: LE40B650CF Chapter 1. General Information 1-1. Document Information Document format: Adobe PDF Author: Gao Bingbing Compiler: 1-2. General Guidelines When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit.
  • Page 5 Service Manual Model No.: LE40B650CF components commonly are called Electrostatically Sensitive (ES) Devices. The following techniques should be used to help reduce the incidence of component damage caused by electros static discharge (ESD). Electrostatically Sensitive (ES) Devices Some semiconductor (solid-state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices.
  • Page 6 Service Manual Model No.: LE40B650CF 1. Always unplug the receiver AC power cord from the AC power source before: a. Removing or reinstalling any component, circuit board module or any other receiver assembly. b. Disconnecting or reconnecting any receiver electrical plug or other electrical connection. c.
  • Page 7 Service Manual Model No.: LE40B650CF 12. Use only a grounded-tip soldering iron to solder or unsolder ES devices. 13. Use only an anti-static type solder removal device. Some solder removal devices not classified as "anti-static" can generate electrical charges sufficient to damage ES devices. 14.
  • Page 8 Service Manual Model No.: LE40B650CF Caution: A “caution ” is used when there is danger that the reader, through incorrect manipulation, may damage equipment, loose data, get an unexpected result or has to restart(part of) a procedure. Warning: A “warning” is used when there is danger of personal injury. Reference: A “reference”...
  • Page 9 Service Manual Model No.: LE40B650CF Chapter 2. Specification 2-1. Specification list Model LE40B650CF Screen Size 40" Aspect Ratio 16:9 Resolution 1920x1080 Brightness (cd/m² ) Contrast 1500:1 Response Time (ms) Angel of View H:170° , V:160° Color Display 16.7M  English,French,Span OSD Language ish.
  • Page 10 Service Manual Model No.: LE40B650CF 2-2. External pictures (four faces) Front Side Up Side...
  • Page 11 Service Manual Model No.: LE40B650CF Right Side Back Side...
  • Page 12 Service Manual Model No.: LE40B650CF Chapter 3. Disassemble and Assemble 3-1. LE40B650CF 3-1-1. Remove the Stand 3-1-3. Remove the Mainboard 1. Remove the four screws indicated with red circles. 2. Remove the Mainbord. 1. Lay down the TV set . 2.
  • Page 13 Service Manual Model No.: LE40B650CF 3-1-6. Remove the Remote Control Board And the Key Board Remove the Remote Control Board and the Key Board indicated by red circle in below picture.
  • Page 14 Service Manual Model No.: LE40B650CF Chapter 4. Location of Controls and Components 4-1. Board Location C Panel B Board A Board Model Description A Board HKL-420406 Power Supply Module B Board T.SIS231.T76 Mainboard C Panel LSC400HM06-T LCD Panel...
  • Page 15 Service Manual Model No.: LE40B650CF 4-2. Mainboard 4-2-1. Function Description Process signal which incept from exterior equipment then translate into signal that panel can display. 4-2-2. Connector definition IR & Key Interface Inverter connector CN5 Pin number Signal name Pin number Signal name Speaker connector CN18 Pin number...
  • Page 16 Service Manual Model No.: LE40B650CF 4-3. Power Supply Module 4-3-1. Function Description To supply power for Mainboard, Panel. 4-3-2. Connector definition CN10 LED driver connector Mainboard power supply connector CN5 CN9，CN10 Pin number Signal name Pin number Signal name Backlight adjust connector BL_ON AMP power connector CN4 5VSB...
  • Page 17 Service Manual Model No.: LE40B650CF 4-4. LCD Panel LE40B650CF Backlight Unit LVDS CONNECTOR Connector Definition...
  • Page 18 Service Manual Model No.: LE40B650CF...
  • Page 19 Service Manual Model No.: LE40B650CF Chapter 5. Installation Instructions 5-1. Accessories Batteries Remote Control...
  • Page 20 Service Manual Model No.: LE40B650CF 5-2. External Equipment Connections Antenna Connection Connect a DVD Player or VCR to Your TV Connect your aerial to the back of the TV into the ANTENNA IN socket. There are two ways in which you can connect a DVD player or VCR to your TV.
  • Page 21 Service Manual Model No.: LE40B650CF Chapter 6. Operation Instructions 6-1. Front Panel Controls 5 CH+ TV channel up. POWER Press to turn the TV on and off. Toggles between all the vailable SOURCE 6 VOL- Press to decrease the volume. input sources.
  • Page 22 Service Manual Model No.: LE40B650CF 6-2. Back Panel Controls 4 5 6 9 10 11 12 13 Scart input PC Audio input input input HDMI1 input HDMI2 input CI Slot input MINI-AV input MINI-YPbPr input 10 COAX output 11 USB1 input 12 USB2 input...
  • Page 23 Service Manual Model No.: LE40B650CF 6-3. Setting Up Your Remote Control When using the remote control, aim it towards the remote sensor on the TV. POWER. INPUT. Shortcut button. HOME; Program Number Channel selection. RECALL button. VOL+/VOL-: Volume selection. CH∧/CH∨: Channel selection. Mute.
  • Page 24 Chapter 7. Electrical Parts 7-1. Circuit Diagram CE25 5V_M 0.1uF-0402-Y5V-+80%-20%-16V 5V_M PVCC VCC_Panel 5V_Panel 5V_Panel 4K7ohm-0402-± 5%-1/16W LMBT3904LT1G RM20 NC/100uF-16V-± 20%-6×5.4-105 PW_ON QE22 3V3_STB 5V_STB RE23 PW_ON 5V_M 5V_STB LC1117CLTR33 3V3_STB 10PIN-2.54-D-H-G TEST CE22 RE22 4K7ohm-0402-± 5%-1/16W PANEL_EN LMBT3904LT1G RE24 200Kohm-0402-±...
  • Page 25 RI40 CI40 HD1_SOG YPbPr_Y RI36 CI36 HD1_Y AV27 SPDIFO RF51 SPDIF_OUT CF51 COAX AVLC18S02003 RI32 DI32 330ohm-0402-± 5%-1/16W 75ohm-0402-± 5%-1/16W CI32 RF52 0.047uF-0402-X7R-±10%-16V 56pF-0402-NPO-± 5%-50V 120ohm-0402-± 5%-1/16W CF52 220ohm-0402-± 5%-1/16W 100ohm-0402-± 5%-1/16W 0.047uF-0402-X7R-±10%-16V 0.1uF-0402-Y5V-+80%-20%-16V 12V_OFF 330pF-0402-X7R-±10%-50V CN13 AV1-131A02-01Z1( )- AV18 YPbPr_Pr QM22 YPbPr_Pb...
  • Page 26 HDMIA_5V HDMIB_5V HDMIA_5V RH23 HDMIB_5V HDMIA_RX2_DP HOTPLUG_A/ HDMIB_RX2_DP RX2+ RX2+ RH21 HDMIA_RX2_DN 100ohm-0402-±5%-1/16W HDMIB_RX2_DN HOTPLUG_B/ RX2- RX2- HDMIA_RX1_DP HDMIB_RX1_DP SHELL(GND) RX1+ SHELL(GND) RX1+ HOTPLUGA HDMIA_RX1_DN HDMIB_RX1_DN RX1- RX1- HDMIA_RX0_DP 33ohm-0402-±5%-1/16W 1Kohm-0402-±5%-1/16W HDMIB_RX0_DP QH21 RH22 HOTPLUGB SHELL(GND) RX0+ SHELL(GND) RX0+ 33ohm-0402-±5%-1/16W LMBT3904LT1G HDMIA_RX0_DN 10Kohm-0402-±5%-1/16W...
  • Page 27 SVIDEO1_C AV_Y0/C0 SVIDEO1_Y AV_Y1 AV_IN 1uF-0402-X5R-± 20%-6.3V AV_Y2 1Kohm-0402-± 5%-1/16W SCART_VI ANALOG VGA_RIN AU_VBG AUDIO EARPHONE_ROUT XTALI SPI_CLK AV_Y3 YPP_R0 AU_VBG HP_R OSCI_24M SPI_CLK 0.1uF-0402-Y5V-+80%-20%-16V VIDEO VGA_R0_REF EARPHONE_LOUT XTALO SPI_DO AV_Y4 YPP_R0_REF HP_L OSCO_24M SPI_DO SC_RI 1uF-0402-X5R-± 20%-6.3V IN/OUT HIGH VGA_GIN INPUT/OUTPUT FLASH_SPI_DI...
  • Page 28 1V0_M 3V3_M AVDD1P0_HDMI AVDD3P3_HDMI SIS231C1CI 0ohm-0402-±5%-1/16W 0ohm-0402-±5%-1/16W C384 C385 1V5_DDR 1uF-0402-X5R-±20%-6.3V 1uF-0402-X5R-±20%-6.3V 1V0_M 0.1uF-0402-Y5V-+80%-20%-16V 0.1uF-0402-Y5V-+80%-20%-16V OVDD1P5 OVDD1P5 IVDD1P0 OVDD1P5 IVDD1P0 IVDD1P0 IVDD1P0 IVDD1P0 3V3_M IVDD1P0 3V3_M IVDD1P0 OVDD3P3 IVDD1P0 3V3_M_DDR OVDD3P3 IVDD1P0 OVDD3P3 IVDD1P0 OVDD3P3 IVDD1P0 0ohm-0402-±5%-1/16W OVDD3P3 IVDD1P0 1uF-0402-X5R-±20%-6.3V OVDD3P3 IVDD1P0 0.1uF-0402-Y5V-+80%-20%-16V...
  • Page 29 CN17 AMPVCC AMP_VCC AMP_VCC CA23 SK34A-SMA 0.1uF-0603-Y5V-+80%-20%-50V 470uF-35V-± 20%-10×13 105 4PIN-2.54-D-H- 5V_M NC/100Kohm-0402-±5%-1/16W HP_POP HP_POP NC/LMBT3904LT1G RA99 UA33 UA32 HP_POP HP_L HP_R RA100 EARPHONE_LOUT EARPHONE_ROUT AMP_STB QA33 100ohm-0402-± 5%-1/16W 0.033uF-0402-X7R-± 10%-16V UA31 AMPVCC 0.1uF-0603-Y5V-+80%-20%-50V 1000pF-0402-X7R-±10%-50V RA97 RA96 RA98 0.1uF-0402-Y5V-+80%-20%-16V AMP_MUTE/ NC/10Kohm-0402-±5%-1/16W PVCCL 0.1uF-0402-Y5V-+80%-20%-16V...
  • Page 30 5V_M LC1117CLTR33 3V3_Tun CT17 CT31 CT33 Demo_TS_D0 TSI_D0 3V3_Tun Demo_TS_D1 TSI_D1 Demo_TS_D2 TSI_D2 750Kohm-0402-± 5%-1/16W 16MHz-± 20PPM-20PF-HC-49S Demo_TS_D3 TSI_D3 1uF-0402-X5R-± 20%-6.3V 4K7ohm-0402-±5%-1/16W Demo_TS_D3 0.1uF-0402-Y5V-+80%-20%-16V 4K7ohm-0402-±5%-1/16W Demo_TS_D2 10uF-0805-Y5V-+80%-20%-10V 0.1uF-0402-Y5V-+80%-20%-16V 0.1uF-0402-Y5V-+80%-20%-16V 1.8VRF 33ohm-0402-± 5%-1/16W Demo_TS_D1 0.1uF-0402-Y5V-+80%-20%-16V 10uF-0603-X5R-±20%-6.3V 10uF-0603-X5R-±20%-6.3V 33ohm-0402-± 5%-1/16W Demo_TS_D0 Demo_TS_D7 TSI_D7 +3V3_Demo NC/33ohm-0402-±5%-1/16W...
  • Page 31 Service Manual Model No.: LE40B650CF 7-2 . Wiring Connection Diagram...
  • Page 32 Service Manual Model No.: LE40B650CF Chapter 8. Measurements and Adjustments 8-1. Service Mode 8-1-1.How to enter into Service Mode The way to the factory mode menu: Step 1: Press Menu, Step 2: Input “8893”, System will be into the factory mode menu when 2 steps above are done. Into Version of the main factory menu, you can see the edition of the software, like this"...
  • Page 33 Service Manual Model No.: LE40B650CF 8-2-2. Picture Mode Adjust the Picture Mode,Picture Curve: 1)Brightness; 2)Contrast; 3)Sharpness; 4)Color; 5)Tint 8-2-3. ColorTmp Mode Adjust the ColorTmp Mode, White Balance : 1)R Gain; Gain; Gain; 4)R Offset; 5)G Offset; 6)B Offset; 7)Gamma Table.
  • Page 34 Service Manual Model No.: LE40B650CF 8-2-4. Audio Mode Adjust the values of Audio Mode, 1) Treble; 2) Bass. 8-2-5. Misc 1)Burn 2)IF AGC; 3)IF AGC_L; 4)ATS; 5)WSS; 6)DTG Scan; 7)ADC White Balance; 8)Auto Power On; 9)Back Light; 10)LCN Switch; 11)AGC Mode. 8-2-5.
  • Page 35 Service Manual Model No.: LE40B650CF 8-3. Software Update 8-3-1. SIS231C1CI software update 1. Copy the software files to a USB disk on the root directory; 2. Insert the USB disk when the AC power is off; 3. Turn on the AC power in turn to begin; 4.
  • Page 36 Service Manual Model No.: LE40B650CF Chapter 9. Trouble shooting 9-1. Simple check Verify if the television is properly plugged Verify if the television is properly supplied power No picture/ No sound Verify if electricity is available. Verify if correct signals are input Press SOURCE button to change signal input to TV Blank screen input...
  • Page 37 Service Manual Model No.: LE40B650CF 9-2. Mainboard IC Introduction Top view...
  • Page 38 Service Manual Model No.: LE40B650CF Bottom view...
  • Page 39 Service Manual Model No.: LE40B650CF Mainchip—SIS231C1CI (U1) 2. Audio Amplifier— (UA31) PA3110LD2PWPR 3.Main Flash Memory— (U5) 4.DC/DC convertor 5V-1.0V for SIS231C1CI (U1)—RT7237CHGSP (UD41) —LC1117CLTR33 5.voltage convertor 5V to 3.3V_STB (UL2) —LC1117CLTRAD 6.voltage convertor 5V to 1.5V_DDR (UL61) 7.voltage convertor 5V to 3.3V for tuner—LC1117CLTR33 (UT1) —BW21S7511A01TF...
  • Page 40 Service Manual Model No.: LE40B650CF 9-3. Mainboard Failure Check No picture but have sound Check the power output Change the Power Board There’s something wrong Check the CN6 (INVERTER) with FRC Backlight on/off Verify if the DC/DC convertor can output the Change the corresponding right Voltage DC/DC...
  • Page 41 Service Manual Model No.: LE40B650CF No sound but have picture Verify if the speakers are Change the speakers broken Verify if the main board has the Check the corresponding audio right input ,according to the source input circuit you connect. you connect.
  • Page 42 Service Manual Model No.: LE40B650CF No sound No picture Verify if the Power has Change the 5Vstb output Power supply Verify if CN4 Pin3/4 has 5V Change Power board input Verify if CN4 Pin1 has 12V Change Power board input Change corresponding Verify if DC/DC convertors have DC/DC convertor...
  • Page 43 Service Manual Model No.: LE40B650CF Poor sound Poor sound Verify if sound system is Change sound correct . system For ease of use, recommend that customer format the picture and sound settings in the automatic option. Updata the software and Still having make the reboot;...
  • Page 44 Service Manual Model No.: LE40B650CF No color for some channel program (black and white) No color for some chann el program (black and w hite) Verify if the same Check out of picture and sound problem exists in other system of this channel channels Change the channel to the right sound check out of picture...
  • Page 45 Service Manual Model No.: LE40B650CF How to know whether the Power board is broken? Check if the power cord co Reconnect the power cord with the nnect well? outlet or Power board. Check if the Power board Replace the Power board pls. output 5V and 12V ? Still having Check if Main board / LVDS wire / Panel are in...
  • Page 46 Service Manual Model No.: LE40B650CF 9-4. Pannel Failure Failure Mode...
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  • Page 51 Sincere Forever Haier Group Haier Industrial Park, No.1, Haier Road 266101, Qingdao, China http://www.haier.com Printed in China...