Sanyo AVL-263 Service Manual Download Page 13 | Manualshive

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Note1: keep the connection well and don’t cut off the power during the 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

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Summary of Contents for AVL-263

Page 1: ...AVL263 1 682 345 75 SM0915044 ...

Page 2: ...e upgrading Working principle analysis of the unit Block diagram IC block diagram Wiring diagram Troubleshooting guide Schematic diagram APPENDIX A Main Assembly APPENDIX B Exploded View 1 3 6 12 13 14 18 19 24 Removing or Installing the Stand Wall mounting instructions ...

Page 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...

Page 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...

Page 5: ...grading enter factory menu and select OPTION set ISP to 1 or insert jump wire J201 then you can upgrade the software on line After upgrade it needs to set ISP back to 0 or pull out jump wire J201 After software upgrade finish please turn off the TV and then turn on enter the factory menu and initialize the EEPROM EEPROM MEMORAY RECALL 3 1 Initialization The items are only for some units which have...

Page 6: ...to RF terminal adjust RP601 to value 3 3V of TP601 A face and there should be no obvious snowy picture Increase the TV signal to 90dBV and it should be no obvious noisy 3 3 White balance adjustment 3 3 1 HDMI white balance adjustment a Input VG 848 signal to HDMI TIMING854 800 600 60Hz 8 level gray scale of PAT920 adjust the balance with CA210 b Enter COLOR TEMP sub menu and select color temperatu...

Page 7: ...rminal input 640X480 60Hz signal check if the display is normal Check HDCP function 4 5 check sound channel Check the speaker and earphone of each channel 4 6 RS232 terminal Insert the earphone wire to COM port check the long distance control function with special test software 4 7 other function check Check the turn on turn off timer asleep timer picture sound mode OSD freeze mute stereo SAP magi...

Page 8: ... 15 pins the parallel 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 ...

Page 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 ...

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

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

Page 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 ...

Page 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 ...

Page 14: ...e sent to main IC N304 MST9U89 Video signal of AV1 AV2 S VIDEO YPbPr1 and YPbPr2 will also be sent to MST9U89 their audio signal via audio switch N207 HEF4052BT selection to MST9U89 AV1 and S VIDEO share the same audio jacks HDMI1 HDMI2 and HDMI3 via HDMI switch N504 TMDS351 selection then sent to MST9U89 together with VGA The main IC N304 MST9U89 is a high performance and fully integrated IC whic...

Page 15: ... R2S10401 VGA L R YPrPb2 L R MST9U89CL P A N E L I O port KEY Power manage Meg8 DDR Serial flash HDCP KEY EEPROM Earphone amplifier BH3547 EDID EDID Earphone Speaker HDMI 1 HDMI 3 EDID EDID HDMI switch AV 2 D class amplifier TPA3120 S VIEDO AV OUT ...

Page 16: ...deo de interlacers two scaling engines the MStarACE 3 color engine an on screen display controller an 8 bit MCU and a built in output panel interface By use of external frame buffer PIP POP is provided for multimedia applications Furthermore 3 D video decoding and processing are fulfilled for high quality TV applications To further reduce system costs the MST9U89BL also integrates intelligent powe...

Page 17: ...15 2 R2S10401SP R2S10404SP is a semiconductor integrated circuit consisting of PLL split carrier VIF SIF signal processing system compliant with PAL ...

Page 18: ...2 can drive stereo speakers as low as 4Ω The efficiency of the TPA3120D2 eliminates the need for an external heat sink when playing music The gain of the amplifier is controlled by two gain select pins The gain selections are 20 26 32 36 dB The outputs are fully protected against shorts from GND to ROUT or LOUT and output to output shorts with an auto recovery feature ...

Page 19: ...17 ...

Page 20: ...18 Wiring diagram main board power board connection board ...

Page 21: ...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...

Page 22: ... 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...

Page 23: ...normal Check STANDBY circuit of power supply board Press POWER button on the unit or remote sensor control and check the indicator Check if the PIN3 of X401 on main board is high level Check if the PIN11 of X403 in main board is low level less than 0 8V Check power supply board Check back light board yes no no red blue no yes Replace N304 no yes Replace N601 ...

Page 24: ...in board Enter factory menu initialization EEPROM then turn off the TV turn on again display picture Adjust main board again Which channel is no signal Replace main board Check if the output signal of TUNER pin11 is normal Replace TUNER no yes yes HDMI VGA YPRPB TV no no yes Does display OSD menu in screen when press menu button yes no yes no ...

Page 25: ...r have square wave output no yes no yes yes no The speaker has problem Check if the sound amplifier has signal input through R201 R202 Check if N304 has signal input Check the peripheral circuit power supply and MUTE of the sound amplifier Check the peripheral circuit crystal and power supply of N304 Follow the sound signal input channel and check each level circuit no yes ...

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Page 33: ...27 backlight ...

Page 34: ...27 power ...

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Page 36: ... 5270989003 N602 R2S10401 5271040101 N203 TPA3120 5273120001 STANDBY keyboard XI6FC01305A0 AV board XI6HK0144610 IR board XI6LW0030910 Key board XI6HU0200510 Backlight board XI6HU0121410 T CON board XI6HU0122610 Power board XI6HU0122010 Remote control XI6010Y05601 RC Y56 0A Panel XI5203265502 V260B1 L02 ...

Page 37: ...3 4 5 6 7 8 9 10 11 12 13 14 Panel Front cabinet Speaker Standby keyboard AV board Speaker Power board Back cabinet Stand Main board T CON board Backlight board Key board IR board Part list APPENDIX B Exploded view AVL263 ...

Page 38: ...610 AV board 1 7 XI6HU0122010 Power board 1 8 XI5HX19WP01A Back cabinet 1 9 XI6151060560 Stand 1 10 XI6HK0140110 Main board 1 11 XI6HU0122610 T CON board 1 12 XI6HU0121410 Backlight board 1 13 XI6HU0200510 Key board 1 14 XI6LW0030910 IR board 1 15 XI5944033600 User manual 1 16 XI6010Y05601 Remote control 1 RC Y56 0A Note Only the parts in above list are used for repairing Other parts except the ab...

Page 39: ...tand Please keep these screws for future use if you want to install the stand again To install the stand 1 Lay your TV flat screen down on a table or bench Make sure that you put down a soft cushion or cloth so that your TV is not scratched Do not remove the stand from the TV unless using an optional bracket to mount it The appearance of the unit may differ from the actual one Note 3 Place your TV...

Page 40: ...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...

Page 41: ...SEP 2008 ...

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