XOCECO LC-19HU26 Скачать руководство пользователя страница 21 | Manualshive

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background image

panel

key board IR board power board

main board

high frequency board

pin

pin

pin

pin

pin

pin

pin

Wiring diagram

1

9

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Содержание LC-19HU26

Страница 1: ...LCD TELEVISION LC 19HU26 ...

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 6 12 13 14 19 20 25 ...

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: ...st value items press MENU continuously to exit 3 1 Initialization Enter factory menu select OPTION EEPROM and HOTEL OPTION sub menu adjustment of items to see table1 Table1 sub menu adjustment Items Preset Introduce HOTEL 0 1 HOTEL OPTION of factory menu is optional 0 HOTEL OPTION of factory menu is not optional LOGO 1 1 display LOGO in no signal or turn on 0 no LOGO display ADC PRESCALE 046 Softw...

Страница 6: ...A white balance correct a Input VG 848 signal to VGA TIMING854 800 600 60Hz 8 level gray scale of PAT920 adjust the balance with CA210 b Enter COLOR TEMP sub menu and select color temperature of standard 9300K c Fixed B GAIN adjust R GAIN G GAIN to let the color coordinate of the seventh level be 285 293 Fixed B OFF adjust R OFF G OFF to let the color coordinate of the second level be 285 293 and ...

Страница 7: ...gnal of 640X480 60 Hz and check if the display is normal 5 4 check sound channel Check the speaker of each channel 5 5 other function check Check the turn on turn off timer asleep timer picture sound mode OSD freeze mute stereo ect 5 6 presetting before ex factory Item Setting Item Setting Item Setting PICTURE MODE STANDARD BALANCE 50 OSD LANGUAGE English COLOR MODE NORMAL VOLUME 50 OSD HPOSITION ...

Страница 8: ...e 15 pins the serial cable connects the PC and the upgrade instrument the VGA cable connects the TV and the upgrade instrument 2 The steps for upgrading software 1 Please confirm that the connection wires and the upgrade instrument are connected well before the software written and then power on the TV 2 Double click the icon ISP_TOOL to open it 3 Press Connect to connect TV if the connection is d...

Страница 9: ...ection wires and check if ISP item of the factory menu is set to 1 if not please set it to 1 4 After connection is done it needs to read the Binary document Press Read as shown below 5 Search the document needed to write in the Read check box ...

Страница 10: ...8 6 Select the document then the window will appear as shown below Select ...

Страница 11: ...9 7 Press Auto to select the writing function Select the items shown in the picture above a Read File ...

Страница 12: ...se Device e File Area 8 Press Run to begin the writing program wait till the blue bar is complete After writing it will display OK If there is error appeared shown as below press Run again to rewrite the program till it is success ...

Страница 13: ... writing process Note2 the writing speed can be adjusted as shown below Select Config then adjust Speed BAR the value is bigger the speed is faster But it is easier to appear error when increase the speed so it need to select a suitable speed according the PC Step 1 Step 2 ...

Страница 14: ...9W19A too Video signal of YPbPr and Video RGB of SCART1 via video switch N5 PI5V330 selection to MST9E19A Video V CVBS of SCART1 and the audio signal L R of YPbPr and SCART1 also sent to MST9E19A The main IC NS2 MST9E19A is a high performance and fully integrated IC which can realize video demodulating video switch selection A D and D A conversion interlace de interlace processing modes conversion...

Страница 15: ... L R VGA L R YPbPr L R TUNER TV SIF TV V SCART1 V OUT TV L R SCART1 L R OUT HDTV SW PI5V330 LCD TV CONTROLLER MST9E19A AUDIO AMP R2S15102NP EEPROM FLASH PANEL SPEAKER EDID 24C02 IF AMP TDA4470 POWER MEG ATMEG8L 2 AMP SAW PRE AMP PRE AMP LM358D PRE AMP LM358D ...

Страница 16: ...ADC PLL an integrated DVI HDCP HDMI receiver a multi standard TV video and audio decoder a video de interlacer a scaling engine the MStarACE 3 color engine an on screen display controller an 8 bit MCU and a built in output panel interface To further reduce system costs the MST9E19A also integrates intelligent power management control capability for green mode requirements and spread spectrum suppo...

Страница 17: ...a Digital Power Amplifier IC developed for TV R2S15102NP can realize maximum Power 10W X 2ch VD 24V THD 10 SE at 8Ω load It is possible to replace from the conventional analog amplifier system to the digital amplifier system easily ...

Страница 18: ...16 ...

Страница 19: ... for multi standard video sound IF VIF SIF signal processing in TV VCR and multimedia applications The circuit processed all TV video IF signals with negative modulation e g B G standard positive modulation e g L standard and the AM FM NICAM sound IF signals ...

Страница 20: ...18 ...

Страница 21: ...panel key board IR board power board main board high frequency board pin pin pin pin pin pin pin Wiring diagram 19 ...

Страница 22: ...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 23: ... 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 24: ...l Check STANDBY circuit of power supply board Press POWER button in the unit or sensor control and check the indicator Check if the PIN9 10 of XB1 in main board is high level Check if the PIN11 of XB1 in main board is low level Check power supply board Check back light board yes no no red blue no yes Replace NS2 no yes Check N801 and its peripheral circuit ...

Страница 25: ...he TV turn on again display picture Adjust main board again Which is no signal of channels Replace main board Check if 1VPP signal and noise wave of TP1 in the TV board Check if output IF signal of TUN1 pin 11 is normal Check TUNER401 and its periphery Check IF N3 and its periphery no yes yes VGA YPRPB SCART TV yes no no no yes Does display OSD menu in screen when press menu button yes no yes no ...

Страница 26: ...f NV1 is normal Check power supply Check PIN5 and PIN11 output wave of NV1 Check PIN24 wave of N3 Check PIN11 wave of TUN1 Check TUN1 and its periphery Check NV1 and its periphery Check NS2 and its periphery Check N3 and its periphery no yes no yes yes yes no no ...

Страница 27: ...main board page 1 ...

Страница 28: ...main board page 2 ...

Страница 29: ...main board page 3 ...

Страница 30: ...main board page 4 ...

Страница 31: ...main board page 5 ...

Страница 32: ...main board page 6 ...

Страница 33: ...page 7 ...

Страница 34: ...back light board page 8 ...

Страница 35: ...4470001 Main board 6HU06401S0 NS2 NV1 MST9E19A 5270919001 R2S15102NP 5271510201 Key board 6HU0060510 Backlight board 6HA0121410 Power board 6HU0042010 Remote control 6010Y03502 Panel 5203196503 RC Y35 0A M190A1 L02 APPENDIX A Main assembly 9219HU2616 MAIN COMPONENT AND IT S NO ...

Страница 36: ...APPENDIX B Exploded View LC 19X26 ...

Страница 37: ...IN PCB ASS Y 10 584095301A AV BAFFLE 11 6160036000 MEDIA BOX 12 5830099110 BACK CABINET RIGHT 13 6151069600 HOLDER ASS Y 14 583009961A BACK CABINET POWER 15 5830099210 BACK CABINET BOTTOM 16 5HP26WH03B BACK CABINET 17 58A0042500 MOUNTING HOLDER 18 BACK LIGHT BOARD ASS Y 19 POWER PCB ASS Y 20 58B0024710 POWER BRACKET PART LIST OF EXPLODED VIEW LC 19X26 Note design and specifications are subject to ...

Страница 38: ...9219HU2616 Ver 1 0 ...

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