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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 b electricity should be serviced or repaired only by experienced professional technicians.
1 .Warning CAUTION: These servicing instructions are for use by qualified service personnel only. To reduce the risk of electric shock, do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so. IMPORTANT SAFETY INSTRUCTIONS Read all of the instructions before using this appliance.
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Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a grounding prong. The wide blade or grounding prong are provided for your safety. If the plug does not fit, contact an electrician to replace the obsolete outlet.
After completing any service or repair to this TV, ask the service technician to perform routine safety checks to determine that your TV is in correct operating condition. Power source Operate your TV only from the type of power source indicated on the marking label. If you are not sure of the type of power supplied to your home, consult your TV dealer or local power company.
3. LOCATION OF CONTROLS AND COMPONENTS 3.1.Board Location Parts number Description A Board Power supply board Board Main Board Assembly 3.2. Main Board 3.2.1 Function Description Main Board Process signal which incept from exterior equipment then translate into signal that panel can display. Signal flowing chart.
MTk5380 3.2.2 Connector definition Power connector(CNA1)
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Pin number Signal name Description ON/OFF Control the power of system Ground 5VSB Power of TV standby Ground Ground Power of system Power of system IR connector (CNE1) Pin number Signal name Description Supply the Power of bright and IR receiver Receive IR signal Show green when TV standby Show blue when TV working...
Pin number Signal name Pin number Signal name Pin number Signal name LVDS VDD Not use LVDS VDD Not use LVDS VDD Not use LVDS VDD Not use Not use Not use CK1P LVDS_SEL CK1N Pin number Signal name Not use Not use AMP connector(CNA2) Pin number...
3.4 LCD PANEL. 3.4.1 Function Description: Display the signal. 3.4.2 Connector definition Pin No Symbol Description Note Power DC 12V Power DC 12V Power DC 12V Power DC 12V Power DC 12V RO[0]N ODD LVDS SINGAL- RO[0]P ODD LVDS SINGAL+ RO[1]N ODD LVDS SINGAL- RO[1]P...
RE[0]P EVEN LVDS SINGAL- RE[0]N EVEN LVDS SINGAL+ RE[1]P EVEN LVDS SINGAL- RE[1]N EVEN LVDS SINGAL+ RE[2]P EVEN LVDS SINGAL- RE[2]N EVEN LVDS SINGAL+ CND1(Header):S14B-PH-SM4-TB(D)(LF)(JST) or equivalent. Pin No. Symbol Description +24V Power input Ground BLON BL ON/OFF Internal PWM Control 4.
outdoor antenna . location and antenna positioning. External Equipment Connections NOTE: All cables shown are not included with the TV. Choose Your Connection There are several ways to connect your television, depending on the components you want to connect and the quality of the signal you want to achieve.
Monitor Out Setup Connect the second TV or monitor to the TV`s AV OUT. See the Operating Manual of the second TV or monitor further details regarding that device`s input settings. Note YPbPr, PC, HDMI, DTV input sources cannot be used for Monitor out.
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HDMI Cable (not supplied with the product) HDMI to DVI Cable ( not supplied with the product) Analog Audio Cable (Stereo to RCA type) (not supplied with the product)
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Power source Removing the table stand and installing a wall mount bracket...
5. OPERATION INSTRUCTIONS 5.1 Front panel controls 1. MENU: Press to show the on-screen menu. 2. INPUT: Press to show the input source mode. In the MENU/INPUT screen, these buttons serve as OK button. 3. VOL -/+: Press to adjust the volume .In the MENU screen, these buttons serve as left/right buttons. 4.
5.2 Back panel controls 1 HDMI/DVI: Connect an HDMI/DVI signal to the jack. 2 PC VIDEO IN: Connect the monitor output connector from a PC to the jack. 3 PC Audio IN: Connect an audio cable for a computer to the jack. 4 DVI Audio IN: Connect a component video device to these jacks.
5.3 Setting Up Your Remote Control The remote control cannot be operated unless the batteries are properly loaded. When using the remote control, aim it at the remote control sensor on the. Notes • Do not expose the remote control to shock or liquids. •...
6. DISASSEMBLY INSTRUCTIONS 1. Remove the Back Cover Remove the twelve screws indicated on figure above by Then remove the back cover from the unit. 2. Remove the Pedestal Remove the four screw from the rear cover indicated with 3.Remove the power module Remove the speaker Remove the four screws, take out the speaker Remove the four screws indicated on the...
figure above by Then remove the power module 4. Remove the Main board Remove the remote control board Remove the two screws, take out the remote control board Remove the five screws indicated on the figure above by Disconnected the coupler CNA1 CN1 CNE1 CNE2 CND1 CNC1 CNA2 Remove the Main board 6.1 whole machine...
3.3.1 Flat panel bracket assembly 3.3.2 Mainboard assembly 3.3.3 JSK4228-050 LCD PANEL T315XW02_VL Front cabinet subassembly 6.2 Base subassembly Parts number Name Description support stand assembly Support stand subassembly Base cover Iron soleplate Base support Board Rubber PAD Bolt GB9074.4-88 M4X12...
6.3 Back cover subassembly Name Description Parts number Back cabinet assembly Back cabinet subassembly Side av label PVC-0.5mm 103.5×21mm×0.5 Back jack label Screw SJ2824-87 ST4X12F (Black) 6.4 Screen bracket subassembly Components List Name Description Parts number Flat panel bracket assembly Flat panel bracket subassembly...
6.5 Front-frame subassembly Components List Parts number Name Description Front cabinet assembly Front cabinet subassembly Speaker Keypad board Screw Remote controlBoard...
First, check cables which connect with PSU then check as follows 1) Check input voltage (CNA1) 2)Check output voltage (CND1) 10.1.3 No sound First check cables which connect with PSU then check as follows 1) Check input voltage as NO picture 2) Check speaker output 10.2 PSU failure check State: No power...
10.3 Panel failure Failure Mode Part Name Description Phenomena Failure cause Block Defect :TCP cracking or cracking V B/D Vertical bar Dim or L/D :TCP Sunken :TCP lead cracking :ACF bonding short Virtal gray :Awful environment and something electric enter into V Dim line :Mis-align between TCP and Panel...
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Polarizer Bladder Bladder between Polarizer and top glass Bubble Polarizer Polarizer Tine or rigidity arose Polarizer Scratch Scratch inside Eyewinker inside Eyewinker inside Polarizer Polarizer Polarizer Abnormal 1. Chip lose action Abnormal Display Display 2. IC Abort or jointing bad Circuit 3.
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When turn Caused by Mechanica noise of backlight Mechanlcal panel,appear unit Nolse cacophony Causeed by between mechanism and Ripple Connectric circle Panel *Connect badness between wire and B/L off B/L lose action electrode *Connect badness brightness B/L dark Short between wire and electrode darker than normal wire B/L wire damaged...