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. Specification Model DX-LTDVD19-09 Screen size 19inch Aspect ratio 16:10 Resolution 1440*900 Response Time(ms) Angel of view H:160/V:160 Color display 16,777,216 NO.of preset channels OSD language English/Spanish/French Color system note 1 Audio system note 2 Audio output 2×3W power(Built-in)(W) Audio...
2. Warning WARNING RISKELECTRIC SHOCK DONOT OPEN WARNING: To reduce the risk of electric shock don’t remove cover or back. No user-serviceable parts inside refer service to qualified service personnel. Safety of operators has been taken into consideration at the design and manufacture phase, but inappropriate operation may cause electric shock or fire.
IMPORTANT SAFETY INSTRUCTIONS Read all of the instructions before using this appliance. When using this appliance, always exercise basic safety precautions, including the following: 1) Save these Instructions ---the safety and operating instructions should be retained for future reference. 2) All warning on the appliance and in the operating instructions should be followed. 3) Cleaning --- Unplug from the wall outlet before cleaning.
a. When the power supply cord or plug is damaged or frayed. b. If liquid has been spilled, or objects have been fallen into the unit. c. If the unit has been exposed to rain or water. d. If the unit does not operate normally by following the operating instructions. Adjust only those controls that are covered by the operating instructions, as improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the unit to its normal operation.
3.2. Main Board & AV Board 3.2.1 Function Description: Main Board: Process signal which incept from exterior equipment,then translate into signal that panel can display. 3.2.2 Connector definition Main board connector Power connectors (CN3, CN5) Pin number Signal name Pin number Signal name +12V +12V...
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CN3-Pin 7: System power on / standby System board will use this pin to control system power. CN3-Pin 4: Control the luminance of backlight The system can generate the PWN signal to control the strength of TFT LCD Panel’s backlight through this connector.
Other connectors: 1, CN19 to Upgrade the program of MTK5380C (U13) AND FLASH (U17) +3V3SB U0RX U0TX 4x1 W/HOUSING DIP4/W/H/P2.0 3.3. Power Board 3.3.1 Function Description: Supply power for Main board, Panel. 3.3.2Connectordefinition INPUT CONNECTOR (CN6) CN10 Signal name +12V +12V...
3.4. LCD PANNEL. AU(T190PW01) 3.4.1 Function Description: Display the signal. 3.4.2 Connector definition Pin number Signal name Description LVDSVDD Power for panel Ground LVDS EVEN 0 - Signal LVDS EVEN 0 + Signal LVDS EVEN 1 - Signal LVDS EVEN 1 + Signal LVDS EVEN 2 - Signal LVDS EVEN 2 + Signal 13,14...
CN1 (Header):S14B-PH-SM4-TB (D)(LF)(JST) or equivalent. Pin No. Symnbol Description +5.0V Power input Ground 7-12 LVDS LVDS EVEN Signal EVEN 19-24 LVDS LVDS ODD Signal External Equipment Connections Accessories Remote Control User GUIDE Battery Antenna Connection 1、 Connect one end of a coaxial cable (not included) to the ANT IN jack on the back of your TV/DVD combo, then connect the other end of the cable into the antenna or cable TV wall outlet.
2 、To improve picture quality from an antenna in a poor signal area, install a signal amplifier. 3、 If you need to split the antenna signal to connect two TVs, install a two-way splitter. 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.
The whole machine includes Packaging Assembly、Front Cabinet Assembly、Back Cabinet Assembly、 Base Assembly、Main board Assembly、Remote Control Board Assembly、Control Board Assembly、 Assembly Material Subassembly、Romote Contral Per-setting Assembly. Components List Name Description Parts number DX-LTDVD19-09 Packaging TV Set Base Borad Back Cabinet Control PCB...
Plastic Front Cabinet 0090202142.1 Remote Control PCB 0091801240 DC11Z0E0100M Main board Assembly DC11Z0E0100D 6.2. Support Stand Assembly Spare parts Locatio Spare Parts Name in Specificatio Assembly number n No. English Support Stand Assembly Support Stand Subassembly Base Board Support Stand Rotational Axis Assembly Rubber...
6.3. Back Cabinet Assembly Components List Spare parts Location Spare Parts Name in Assembly Specification number English Back Cabinet Assembly Back Subassembly Cabinet Back Cabinet Button Bracket DVD Control Board bracket Power Board bracket Terminal Board LCD panel bracket Small cover board Bolster Screw Speaker...
6.4 Front Cabinet Assembly Spare parts Location Assembly Spare Parts Name in English Specification number Front Cabinet Assembly Front Cabinet Subassembly Plastic Front Cabinet Transparent Window silk-screen:DYNEX Front Cabinet Plastic board Assembly Bolt SJ2824-87 ST3X10F Pannel T190PW01 LOGO Bolt SJ2824-87 ST3*10F 6.5.
6.5.2 Components List Spare Parts Spare parts Location Name in Specification number English Miscellaneous Material Assembly LVDS Connection Wire Speaker Connection Wire Connection Wire Power Cord Power Mainboard Inverter Connective Wire Power Supply Board Miscellaneous Material Left Gasket Assembly Right Gasket Magnetic Loop...
7. MEASUREMENTS AND ADJUSTMENTS The way to the factory mode menu: 1st, press nemu, 2sec, input 8893, Finished these operations ,system will be into the factory mode menu. IF want to exit this factory menu,please press the botton”Exit” in the remoter. 7.1 Version ,S/N, Panel Resoution Version:The first line is the model Name and the second line is current software version.
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7.2 Video 7.2.1,Auto Color The option could only be used in the VGA and Component model. When we found the color in the two models was abnormal. Then we can use the function to adjust it automatically. 7.2.2,Color Temperature The function could adjust the Color Temperature., used when debugging. 7.3 Audio...
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Dolby Banner: When turn it “ON”, the model will be in Dolby authentication state. Compression: Compression style. RF: atv line:AV/S-Video/YPbPr/VGA Compression Factor: Compression state. Downmix: output model. MTS System: used when debugging. The parameters only used when debugging, no need to be modified. 7.4 Channel Range Scan: The function could make it to search the channels by differentiation the analog and digital channels.
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Single RF Scan: Search channels in the frequency scope set in advance. Factory Scan: According to ANTENNA-ANALOG---〉ANTENNA-DIGITAL---〉CABLE- ANALOG---〉 CABLE- DIGITAL to search channels, used only in project debugging.
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Tuner Diagnostic: Project debugging setting, used to inspect the audio function. 7.5Gamma Gamma: Bright:GAMMA0.8 Middle:default settings in the program Dark:GAMMA1.2...
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7.6 Backlight Backlight: adjust the backlight. 7.7 Function Burning Mode: Turn it “ON” to enter the aging model, This is for factory run-in testing. The screen would display red, green, blue and black screen repeatedly. Each color screen could be exam at that time.
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Clean Storage:The function could make the model turn back to the factory default setting. Remark: The date of the chart only is a example, please don’t adjust the factory mode base on it.
9. TROUBLE SHOOTING GUIDE 9.1. Simple check Verify if the television is properly plugged No Picture,no sound Verify if the television is properly supplied power Verify if electricity is available Verify if correct signals are input Press INPUT button to change signal input to TV input Blank screen Restart the television of power supply is interrupted Press Mute button and verify if Mute mode is set.
9.2 Power Supply Board failure check : No power State First, check cables which connect with PSU, then check as follows 1) Check PSB input voltage(AC input) voltage : ~120V connector : CN7 2)Check PSB output voltage orderly: voltage : +12V ,+12V connector:CN3(P6,P7)...
9.3 Main board failure check State: No picture No Sound (All Mode) Fail Check the input Change Source input Source Pass Fail Check the input/output Re-soldering or change Of IC U13 of Main B/D IC U13 Pass Fail Check the input/output Re-soldering or change Of IC U55 of Main B/D IC U55...
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State:No picture No Raster on Panel Fail Check the backlight Change the backlight B/D Pass Re-soldering or change Fail Check the input/output of IC UA1 and RNA1-17 jack CN3 of Main B/D Pass Fail Check the input/output of Re-soldering or change Jack CN4 of Main B/D IC U13 Pass...
9.4 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 Vertal gray :Awful environment and something electric enter into V Dim line :Mis-align between TCP and Panel...
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Abnormal 1. Chip lose action Abnormal Display Display 2. IC ahort or jointiog bad Circuit 3. Pannel and vsc connect bad Bright and dark Flashing display alternately Failure Mode Part Name Description Phenomena Failure cause B/L normal, only White white screen Screen display...
wire B/L wire damaged Operation abnormal or systemic noise damaged wire Without backlight Operation abnormal or systemic noise open shut B/L shutdown in Short bitween lamp housing and wire, Because down sometime consume power too much ,white,balck F/M in B/L unit Rotundity wirelike Failure Mode...
2. Make sure the excess water is off the screen, and then let it air-dry before you turn on your TV. Cleaning the Cabinet Extended Absence If you expect to leave your TV dormant for a long time (such as a vacation), it`s a good idea to unplug the power cord to protect against possible damage from lightning or power surges.
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MT5380 (DDR1) +3V3SB NEED TO CONFIRM MODEL NAME: MT5380P1-V2 20070620 XINGQI R1701 R1703 75 R0603/SMD R1702 ADIN1 R1704 2K R0603/SMD C628 D161 0.1uF MLVS0603M07 01. INDEX INVR PWR Main PWR R1705 5K6 R0603/SMD C/SMD/0603 C629 1000pF JATG,J2 R1706 18K R0603/SMD C0603/SMD 02.