Service Manual Model No.: 39D3005 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.: 39D3005 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.
Service Manual Model No.: 39D3005 Chapter 1. General Information 1-1. Document Information Document format: Adobe PDF Author: shouwang.wen 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.
Service Manual Model No.: 39D3005 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.: 39D3005 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.
Service Manual Model No.: 39D3005 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.
Page 8
Service Manual Model No.: 39D3005 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.
Service Manual Model No.: 39D3005 Chapter 2. Specification 2-1. Specification list Model 39D3005 Screen Size 39" 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 OSD Language English,French,Spanish.
Service Manual Model No.: 39D3005 Chapter 3. Disassemble and Assemble 3-1. 39D3005 3-1-1. Remove the Stand 3-1-3. Remove the power-main board. 1. Remove the six screws indicated with red circles. 2. Then remove the side metal board and down metal board.
Service Manual Model No.: 39D3005 3-1-6. Remove the Remote Control Board And the Key Board Remove the Remote Control Board and the Key Board indicated byred circle in below picture.
Service Manual Model No.: 39D3005 Chapter 4. Location of Controls and Components 4-1. Board Location A Board B Panel Parts number Description A Board 6021041866 power-main board B Panel 6047220058 LCD Panel...
Service Manual Model No.: 39D3005 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 LED Backlight interface CN804/CN805 Pin number Signal name...
Service Manual Model No.: 39D3005 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.
Service Manual Model No.: 39D3005 Chapter 6. Operation Instructions 6-1. Front Panel Controls 5 VOL+ Press to increase the volume. POWER Press to turn the TV on and off. 6 MENU Press to select the main menu. TV channel down.
Service Manual Model No.: 39D3005 6-2. Back Panel Controls Earphone output Coax output Audio in input Video/Y in input PbPr IN input PC Audio input input input HDMI1 input 10 HDMI2(MHL) input 11 HDMI3(ARC) input 12 USB IN input...
Service Manual Model No.: 39D3005 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.
Service Manual Model No.: 39D3005 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: Press “8893”, System will be into the factory mode menu when 2 steps above are done.
Service Manual Model No.: 39D3005 8-2-2. GENERAL SETTING 1)Init Flash; 2)Uart Enable:Choose on or off in Uart Enable; 3)Dbg Message Enable: Choose on or off in Dbg Message Enable; 4)Test Pattern: Choose the Pattern picture; 5)Dynamic Contrast: Choose on or off in Dynamic Contrast;...
Service Manual Model No.: 39D3005 8-2-4. SOUND Adjust the values of Sound Mode, Volume Curve,Audio Output and True Volume in different source. 8-2-5. Panel Setting 1)LVDS Bit Mode: choose the Bit; 2)LVDS MAP: choose the MAP; 3)LVDS ODD/Even: choose ODD or Even;...
Service Manual Model No.: 39D3005 8-3. Software Update 8-3-1. MSD3393LU 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;...
Service Manual Model No.: 39D3005 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...
Service Manual Model No.: 39D3005 9-3. Mainboard Failure Check No picture but have sound Check the power output Change the Power Board There’s something wrong Check the CN2 (BLO) with FRC Backlight on/off Verify if the DC/DC convertor can output the...
Page 42
Service Manual Model No.: 39D3005 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.
Page 43
Service Manual Model No.: 39D3005 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 CN2 Pin1 has 12V Change Power board input...
Page 44
Service Manual Model No.: 39D3005 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 45
Service Manual Model No.: 39D3005 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...
Page 46
Service Manual Model No.: 39D3005 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.