Sanyo LCD-22XR8DA Скачать руководство пользователя страница 23 | Manualshive

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Twin-turbo 8051 MCU
Supports multi-path TS stream input

Two paths TS stream output, integrated switch selection
Supports both serial and parallel TS stream input
Maximum TS data rate is 104Mbps for serial or 13MB/sec for parallel

MPEG-2 audio decoder

MPEG-1, MPEG-2 (Layer I/II) and Dolby1 Digital(AC-3) audio decoder

NTSC/PAL/SECAM video decoder

Supports NTSC-M, NTSC-J, NTSC-4.43, PAL (B,D,G,H,M,N,I,), and SECAM

Multi-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-Green) separator
Automatic color calibration

DVI/HDCP/HDMI input ports

Supports up to 225MHz @ 1080P 60Hz with 12-bit deep-color resolution
High-bandwidth Digital Content Protection (HDCP) 1.1 compliant receiver

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Содержание LCD-22XR8DA

Страница 1: ...LCD TV SERVICE MANUAL LCD 22XR8DA PRODUCT CODE No REFERENCE No SM0915033 1 682 345 34 CCIR DVB T 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: ... 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: ...20 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 dis...

Страница 5: ...gnment flow chart The alignment flow chart is shown as fig 1 Check if EDIT HDCP KEY FLASH are written 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 Combined test for general assembly Check the other functions LCN OTA Input Component signal ...

Страница 6: ...tem 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 signal changes perfor...

Страница 7: ...tment 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 6...

Страница 8: ... Component 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 5...

Страница 9: ...8 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...

Страница 10: ...I 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 on line 1 Click...

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

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

Страница 13: ...sing 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 ...

Страница 14: ...superposition 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 amp...

Страница 15: ...l via 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 ...

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

Страница 17: ...15 ...

Страница 18: ...16 ...

Страница 19: ...17 ...

Страница 20: ...18 ...

Страница 21: ...19 ...

Страница 22: ...20 ...

Страница 23: ...Multi 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...

Страница 24: ...rnal 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 sup...

Страница 25: ...23 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 ...

Страница 26: ...24 ...

Страница 27: ...25 Wiring diagram data board power board panel IR key board speaker power switch adjustment port back light board ...

Страница 28: ...nterfered 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 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 indica...

Страница 29: ...ot work properly Check if the 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...

Страница 30: ...rd 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 PIN9 of X401 on main board is low level Check if the PIN11 of X401 on main board is low level Check power supply board Check back light board yes no no red blue yes Check the backlight control circuit no yes ...

Страница 31: ...ration 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 Adjust main board again Replace main board no yes yes no yes Does display OSD menu on screen when press menu button yes no no ...

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

Страница 33: ...main IC ...

Страница 34: ...video audio ports ...

Страница 35: ...RF receiver ...

Страница 36: ...rear port ...

Страница 37: ...IR Key ...

Страница 38: ...backlight ...

Страница 39: ...power ...

Страница 40: ...0406NP 5271040601 CE6353 5276353001 TDA7266SA 5267266001 Key board XI6HE0060510 IR board XI6HE0060910 Backlight board XI6LY01214B0 Power board XI6HV0172010 Remote control XI6010J01701 Panel XI5203227201 RC J17 0A CLAA220WA01 APPENDIX A Main assembly LCD 22XR8DA MAIN COMPONENT AND IT S NO ...

Страница 41: ...LCD 22XR8DA ...

Страница 42: ...LIST OF EXPLODED VIEW NO DESCRIPTION 1 Front cabinet 2 IR board 3 Key board 4 Panel 5 Power board 6 Backlight board 7 Back cabinet 8 Stand 9 Data processing board 10 Speaker 11 User manual 12 Remote control ...

Страница 43: ...anel 1 CPT CLAA220WA01 5 XI6HV0172010 Power board 1 6 XI6LY01214B0 Backlight board 1 7 XI5HK37WH02A Back cabinet 1 8 XI6151084330 Stand 1 9 XI6HE0186910 Data processing board 1 10 Speaker 1 11 XI5944032590 User manual 1 12 XI6010J01701 Remote control 1 Only the parts in above list are used for repairing Other parts except the above parts can t be supplied ...

Страница 44: ...June 2008 ...

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