Insignia NS-LCD37HD-09 Скачать руководство пользователя | Manualshive

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7. If cable connect is ok, you can get the follow picture. If failure please double check the cable

connect and try again.

8. Click the icon of Read

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Содержание NS-LCD37HD-09

Страница 1: ...NS LCD37HD 09 LCD TV SERVICE MANUAL LC 37HV41 No 9237HV4111 Ver 1 0 ...

Страница 2: ...instructions Method of software upgrading Working principle analysis of the unit Block diagram IC block diagram Wiring diagram Troubleshooting guide Schematic diagram APPENDIX A Assembly list APPENDIX B Exploded View 1 3 7 14 15 16 26 27 32 ...

Страница 3: ... will result 2 5 If any foreign substance such as water liquid metal slices or other matters happens to fall into the module be sure to cut the power off immediately and do not move anything on the module lest it should cause fire or electric shock due to contact with the high voltage or short circuit 2 6 Should there be smoke abnormal smell or sound from the module please shut the power off at on...

Страница 4: ...0 85 Scope for storage 10 90 2 13 Display of a fixed picture for a long time may result in appearance of picture residue on the screen as commonly called ghost shadow The extent of the residual picture varies with the maker of LCD screen This phenomenon doesn t represent failure This ghost shadow may remain in the picture for a period of time several minutes But when operating it please avoid disp...

Страница 5: ...general assembly Preset ex factory Check the accessories and pack Produce the digital processing board Connect to the center signal source and check if various functions of TV station leaking analog control earphone and speaker output are normal Input HD signal source and check the function Input VGA signal source and check the display various functions analog control and H V center Input HDMI sig...

Страница 6: ...Timing 968 PAT 918 enter the factory menu ADC Setting and perform ADC AUTO 3 2 2 Four groups white balance adjustments HDMI and VGA Allowable error range is below a 12000K The white balance error range of the gray scale lower than 10IRE X 15 15 Y 50 50 The white balance error range of the gray scale between 10IRE and 30IRE X 10 10 Y 20 20 The white balance error range of the gray scale higher than...

Страница 7: ...ust R GAIN B GAIN R OFF and B OFF repeatedly until the value of the two levels gray scale are 272 278 then press MENU return to the previous menu or press SAVE TO EEPROM to store the value Check if the color temperature of NORMAL and WARM is up to the mustard if not adjust R GAIN B GAIN R OFF B OFF till accord with the requirement 3 2 2 4 VGA channel adjustment Input 800 600 60Hz 8 level gray scal...

Страница 8: ...vance of OPTION menu to do auto correction Table2 VGA signal format No Resolution H frequency kHz V frequency Hz Pixel clock pulse frequency MHz Remark 1 720x400 31 469 70 086 28 322 IBM 1 2 640x480 31 469 59 94 25 175 IBM 3 800x600 37 879 60 317 40 VESA 4 1024x768 48 363 60 004 65 VESA 5 1360x768 47 71 60 01 85 50 VESA 4 5 HDMI terminal Input HDMI signal VG848 signal generator separate input sign...

Страница 9: ... as same as Dynex_32hv36_new bin the filename only for example Dynex32_software_update doc Document of software update 2 Cable Connect The debug tool board one port connect your computer LPT the other port connect to Dynex32LCD RS232 3 Connect the Dynex to Power Socket The Power LED will turn Red You can update the software at TV Power on of TV Standby 4 Run Debug Tool Software Double click the fi...

Страница 10: ...8 5 Click the icon of Device If not the first time to run this software we can skip step 5 Set the Device information as below 6 Click the icon of Connect ...

Страница 11: ...9 7 If cable connect is ok you can get the follow picture If failure please double check the cable connect and try again 8 Click the icon of Read ...

Страница 12: ...10 Click the follow Icon of Read to Select the update software for Dynex ...

Страница 13: ...11 Select Open Icon Then will appear the follow picture 9 Click the Icon of Auto Open ...

Страница 14: ...12 Then will appear the follow picture Please click the Icon of Run the software will be updated to Dynex It will take about 10 minutes ...

Страница 15: ...re is finished and OK It will appear PASS If error please retry the step from 2 to 9 11 Please disconnect the Dynex from Power Socket untill the Power LED no light then reconnect the Dynex to Power Socket and Power on the TV ...

Страница 16: ... by switch NB5 PI5V330 from YPbPr1 and YPbPr2 YPbPr audio signal selected by switch NB09 HEF4052 from YPbPr1 and YPbPr2 HDMI audio video signal selected by switch NA4 PS321 from HDMI1 HDMI2 HDMI3 all of the signals will be sent to the main IC NC1 MSD119CL switch select video decode and process In MSD119CL TS of DTV via TS demultiplex distinguish the different programs and pick up the corresponding...

Страница 17: ...D1636AF AV 1 YPbPr Audio 1 R2A15112FP VGA Audio YPbPr 1 RS232 S Video IR KEY AV Out MSD809 M61111FP 4052 CS4344 BH3547F I2S HDMI 2 HDMI 3 PS321 YPbPr 2 Y C AV 2 YPbPr Audio 2 VIF IIC DIF IIC TS SIF ATV 256M DDR MSD119BL PANEL fiber output earphone socket ...

Страница 18: ...tegrated circuit built in the PLL inter carrier method VIF SIF dedicated to NTSC The circuit includes the VIF amplifier image waveform detection APC detection IF RF AGC VCO AFT LOCK DET EQ AF amplifier limitter FM waveform detector circuits and acts as a small tuner ...

Страница 19: ...alog audio outputs that are designed to support ATSC HD SDTV programs while handling ATSC CC and EPG Furthermore it is also possible to decode MPEG 4 JPEG MP3 formats from external sources such as USB interfaces For analog TV the MSD119BL includes NTSC PAL SECAM multi standard video decoder comprising a 3 D motion adaptive comb filter and time based correction and a BTSC A2 EIA J audio decoder to ...

Страница 20: ...18 ...

Страница 21: ... there is the AGC that feeds its output to the IF amplifier and the AGC that outputs to the tuner amplifier The AGC also support manual mode where one is fixed to a pre configured level while the other performs normal AGC functions Demodulator Description The first function of demodulator is to convert sampling clock to operation rate of two times symbol rate with interpolator Interpolator generat...

Страница 22: ...20 ...

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Страница 24: ...22 4 PS321 ...

Страница 25: ...for EDID bridge function when EDID BRG EN HIGH 5 R2A15112FP R2A15112FP is a Digital Power Amplifier IC developed for TV R2A15112FP has a maximum power of 15W typ x2ch VD 24V THD 1 SE at a 4Ω load It is possible to replace a conventional analog amplifier with a digital amplifier easily ...

Страница 26: ...24 ...

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Страница 28: ...26 Wiring diagram key IR Speaker pin pin pin power board panel digital processing board pin pin pin pin pin pin ...

Страница 29: ...nd if interfered possibly by the equipment like transmitting antenna non professional radio station and cellular phone 1 2 TV set Symptoms Possible cause Unable to switch the power on Check to see if the power plug has been inserted properly into the socket No picture and sound Check to see if the power supply of liquid crystal TV has been switched on As can be indicated by the red LED at the fron...

Страница 30: ... batteries are installed in the reverse order Check if the battery is effective Check the distance or angle from the monitor Check if there is any obstruct between the remote control and the TV set Check if the remote control signal receiving window is exposed to strong fluorescence No picture and sound but only hash Check if the antenna cable is correctly connected or if it has received the video...

Страница 31: ...of main board is normal Check STANDBY circuit of power supply board Press POWER button in the unit or remote control and check the indicator Check if the PIN7 of XV5 in main board is high level Check if the PIN13 of XV4 in main board is low level Check power supply board Check back light board yes no no red green yes Replace NC1 no yes ...

Страница 32: ...tion Check if the all channels have no signal Replace main board Enter factory menu initialization EEPROM then turn off the TV turn on again display picture Adjust main board again Replace main board no yes yes no yes Does display OSD menu in screen when press menu button yes no ...

Страница 33: ...25 wave of NV10 Check PIN76 and PIN77 wave of NC1 Replace NV2 Replace NV10 Replace NC1 no yes no yes no yes low high Replace VV4 Replace NC1 Check if PIN4 32 of NV10 is normal Check if DV2 positive terminal is low level Check if PIN10 and PIN27 of NV10 is high level Replace VV4 Replace NV10 Replace NC1 low yes no yes no low high Check power board Check the wave of NV10 pin 12 25 yes ...

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Страница 40: ...5276111101 MSD809 5270809003 PS321TQF 5270321001 R2A15112FP 5271511201 Side interface board 6HV0214610 IR board 6HU0310910 Key board 6HV0190510 Power board 6HV0052010 Remote control 6010200101 Panel 5203378B03 APPENDIX A Main assembly 9237HV4111 MAIN COMPONENT AND IT S NO RC 201 0A LC370WUN SAB1 ...

Страница 41: ...APPENDIX B Exploded view LC 37X41 ...

Страница 42: ... panel fixed bracket 7 615A102000 power socket 8 power board 9 5H3741H010 back cabinet 10 5981340121 screw 11 6151132000 stand 12 key board 13 5810064400 panel connection bar 14 digital processing board 15 5810064310 interface baffle PART LIST OF EXPLODED VIEW Note design and specifications are subject to change without notice ...

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