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PART LIST

LCD-19XR9DA

ver.

1.0

REF.No. PARTS No.

DESCRIPION

Q'TY REMARK

1 XI

194200

Front cabinet

XI6HE0330510

Key board

XI6HE0350910

IR board

XI6170808000

Speaker

XI5203195201

Panel

CLAA185WA02

XI6HE0346910

Data processing board

XI5H1946K02A

Back cabinet

XI6156090800

Stand

column

XI6151201000

Stand

XI6HE0342010

Power/back light board

XI5944035480

User manual

XI6010J017A1

Remote Control

Only the parts in above list are used for repairing.

Other parts except the above parts can't be supplied.

Содержание LCD-19XR9DA

Страница 1: ...LCD TV SERVICE MANUAL LCD 19XR9DA PRODUCT CODE No REFERENCE No SM0915063 1 682 346 34 PAL BG TV DTV FILE NO PRODUCT CODE No ...

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 8 12 13 14 25 26 31 ...

Страница 3: ...ent such as wet bathroom laundry kitchen or nearby fire source heating equipment and devices or exposure to sunlight etc Otherwise bad effect 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 con...

Страница 4: ... 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 displ...

Страница 5: ...nment flow chart The alignment flow chart is shown as fig 1 Check if EDIT HDCP KEY FLASH are written Combined test for general assembly White balance adjustment Connect to the center signal source and check each function of TV station leaking analog control etc check the output of earphone and speaker Input AV signal and check the function Input Component signal and check the function of YPbPr Inp...

Страница 6: ...ata after this item is confirm the unit will restart and display the guiding image m FACTORYDATAREST factory data initialization including white balance adjustment ADC correction and other adjusted data n FACEORY Channel PRESET preset the factory channel please connect to the center signal source when operating the present digital frequency is CH28 529 5MHz CH33 564 5MHz for Australia if the signa...

Страница 7: ...ent steps Before the white balance adjustment please let the unit working at least 30 minutes and at a stable situation use BBY channel of the white balancer CA 210 19 for example a Switch to HDMI channel b Press SOURCE then press 2 5 8 0 in turn to enter the level one factory menu c Move the cursor to W B ADJUST and press OK to enter the sub menu d Input HDMI signal VG 848 Timing 856 1024X768 60H...

Страница 8: ...omponent signal VG 848 signal generator separately input the Component signals listed in table2 and check if the display and sound are normal at any situation power on channel switch and format switch etc Table2 Component signal format No Resolution H frequecny kHz V frequecny kHz Point clock pulse frequecny MHz Note 1 72 480 15 734 60 13 5 480i NTSC 2 720 480 15 734 59 94 13 5 480i NTSC 3 720 576...

Страница 9: ...VESA 13 1280 960 60 60 108 VESA 14 1280 1024 63 98 60 02 108 VESA 15 1280 1024 80 75 135 SXGA 16 1360 768 47 7 60 85 5 WXGA 17 1440 900 55 9 60 106 5 WXGA 18 1400 1050 65 22 60 122 61 SXGA 19 1680 1050 65 3 60 146 25 WSXGA 5 5 HDMI terminal Input HDMI signal VG 849 signal generator separately input the signals listed in table2 and table3 and check the display and sound 32KHz 44 1KHz 48KHz at any s...

Страница 10: ...2002 AT24C02 HDMI EDID Yes N206 5272402002 AT24C02 VGA EDID Yes Written with instrument like ALL11 Note write protect setting enter ALL 100 interface select Config and press config setting set Protect to All Protect select config when burning The write protect will be set again when ALL 100 program restart Method of software upgrading Install FTC100103 MSTAR before writing Using Mstar writing tool...

Страница 11: ...Fig2 2 Open the tool and click Device and select EN25B32 or corresponding type Fig3 3 Click Read and select the file written MERGE bin for example as shown in fig4 9 ...

Страница 12: ...Fig4 4 Click Auto select All chip and programme and click Run to begin writing Fig5 10 ...

Страница 13: ...g finishes soon and begins to Programing that means Flash hasn t been erased please press Stop then press Run 5 If the process of writing succeeds it will display Pass near Run otherwise it is fault and needs writing again Fig7 11 ...

Страница 14: ...erposition at last output LVDS drive level for panel display HD audio signal via decoder built in MSD119 resumed to multi channel sound of Dolby AC 3 The audio signal will be sent to back end to perform bass adjustment and volume control then it will separate into L R channels and input to operational amplifier AZ4558 amplifying another way will be sent to class AB sound amplifier TDA7266SA amplif...

Страница 15: ...ia decoder built in MSD119 is fed to back end to bass adjust and volume control the sound signal will separate into L R channels and input to operational amplifier AZ4558 amplifying another will be sent to class AB sound amplifier TDA7266SA amplifying then sent to speaker Block diagram 13 ...

Страница 16: ...IC block diagram 1 MSD119CL LF 14 ...

Страница 17: ...15 ...

Страница 18: ...16 ...

Страница 19: ...17 ...

Страница 20: ...18 ...

Страница 21: ...19 ...

Страница 22: ...20 ...

Страница 23: ...ti standard sound processor Supports BTSC A2 EIA J demodulation in NTSC and A2 NICAM FM AM demodulation in PAL Supports MTS Mode MONO STEREO SAP in BTSC EIA J and MONO STEREO DUAL in A2 NICAM Digital Audio Interface Analog RGB Compliant YUV input Ports Two analog ports support up to 1080P Supports PC RGB input up to SXGA 75Hz Supports HDTV RGB YPbPr YCbCr Supports Composite Sync and SOG Sync on Gr...

Страница 24: ...l data processing 3 D video noise reduction Output Interface Supports up to 10 bit dual LVDS full HD 1920 x 1080 panel interface Video output port Supports CVBS S video bypass output Built in video encoder for encoding digital video into CVBS output Miscellaneous USB 2 0 port can be connected to the external equipment for software upgrading 2 CE6353 The chip comprises 8MHz bandwidth SAW and suppor...

Страница 25: ... VIF frequency corresponds to 38 9MHz SIF frequency corresponds to M N B G I D K and SECAM L L I2CBUS control 4 TDA7266SA The TDA7266SA is a dual bridge amplifier 23 ...

Страница 26: ...24 ...

Страница 27: ...Wiring diagram Digital board Power Wisdom light Speaker Key IR Debug Power for backlight board IR board Ke KKkey Key board P Speaker Panel PPpw Power switch 25 ...

Страница 28: ...erfered by other equipment and 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 z Check to see if the power plug has been inserted properly into the socket No picture and sound z Check to see if the power supply of liquid crystal TV has been switched on As can be indi...

Страница 29: ...properly z Check if the batteries are installed in the reverse order z Check if the battery is effective z Check the distance or angle from the monitor z Check if there is any obstruct between the remote control and the TV set z Check if the remote control signal receiving window is exposed to strong fluorescence No picture and sound but only hash z Check if the antenna cable is correctly connecte...

Страница 30: ...is normal Check STANDBY circuit of power supply board Press POWER button on the unit or sensor control and check the indicator Check if the PIN13 of X401 on main board is high level Check if the PIN1 of X401 on main board is low level Check back light board yes no Check the backlight control circuit blue red yes no no yes Check power supply board 28 ...

Страница 31: ...ion Check if all channels have no signal Replace main board Enter factory menu initialization EEPROM then turn off the TV turn on again display picture Replace main board yes no yes Does display OSD menu on screen when press menu button Adjust main board again yes no no no yes 29 ...

Страница 32: ...voltage Check if V406 base is low voltage Replace N214 Check the wave of N101 pin76 77 Replace N214 Replace V406 yes no Replace V408 yes no Replace N101 Check if V408 base is low voltage Check the wave of PIN4 12 of N408 Replace N408 yes yes no no yes yes 30 ...

Страница 33: ...main chip memory 1 11 ...

Страница 34: ...video audio interface 2 11 ...

Страница 35: ...RF receiving 3 11 ...

Страница 36: ...non video audio interface 4 11 IR board key board key board IR board key board IR board ...

Страница 37: ...power board 5 11 ...

Страница 38: ...backlight board 6 11 backlight board backlight board ...

Страница 39: ...power with dual lamp tube for backlight board 7 11 ...

Страница 40: ...power with four lamp tube for backlight board 8 11 ...

Страница 41: ...T CON board 9 11 ...

Страница 42: ...power 10 11 ...

Страница 43: ...backlight 11 11 ...

Страница 44: ...9002 R2A10406NP 5271040601 CE6353 5276353001 TDA7266SA 5267266001 IR board XI6HE0350910 Key board XI6HE0330510 Power back light board XI6HE0342010 Remote control XI6010J017A1 Panel XI5203195201 APPENDIX A Main assembly LCD 19XR9DA MAIN COMPONENT AND IT S NO RC J17 0A CLAA185WA02 ...

Страница 45: ...APPENDIX B Exploded view LCD 19XR9DA ...

Страница 46: ... OF EXPLODED VIEW NO DESCRIPTION 1 Front cabinet 2 Key board 3 IR board 4 Speaker 5 Panel 6 Data processing board 7 Back cabinet 8 Stand column 9 Stand 10 Power back light board 11 User manual 12 Remote Control ...

Страница 47: ...aker 1 5 XI5203195201 Panel 1 CLAA185WA02 6 XI6HE0346910 Data processing board 1 7 XI5H1946K02A Back cabinet 1 8 XI6156090800 Stand column 1 9 XI6151201000 Stand 1 10 XI6HE0342010 Power back light board 1 11 XI5944035480 User manual 1 12 XI6010J017A1 Remote Control 1 Only the parts in above list are used for repairing Other parts except the above parts can t be supplied ...

Страница 48: ...overing to prevent accidental scratching or damage to the unit s finish 4 The speaker is not intended to support the weight of this display Do not move or handle this product from the speaker which can cause damage to the display not covered under the manufacturer s warranty Place the stand on the table hold the display upright and aim the bottom stand column toward the stand groove then carefully...

Страница 49: ...hout notice Detaching the stand column 1 Place carefully the display on its front side with a soft cushion below shake the stand forward or backward to adjust angle between the stand and the display let the angle 90 If wall mounting please detach the stand column Place carefully the display on its front side with a soft cushion below loosen and remove 4 pcs screws detach the stand column 9 0 Pull ...

Страница 50: ...e sure to ask an authorized service personnel to carry out setup 2 Thoroughly read this instruction before setup and follow the steps below precisely 3 The wall to be mounted should be made from solid materials Only use accessories supplied by the manufacturer 4 Very carefully handle the unit during setup We are not liable for any damage or injury caused by mishandling or improper installation 5 B...

Страница 51: ...June 2009 ...

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