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PART LIST

AVL209

ver.

1.0

REF.No. PARTS No.

DESCRIPION

Q'TY REMARK

XI6LY0150910

IR board

2 XI5QP19W103A

Front cabinet

XI617A539000

Speaker

XI6LY01505A0

Key board

Panel

1 AU T200XW02V0

XI6LY01414A0

Backlight board

XI6LY0142010

Power board

XI5HP19WH04B

Back cabinet

XI6151059320

Stand

XI6LY03001A0

Main baord

XI594400832A

User manual

XI6010Q03201

Remote control

Only the parts in above list are used for repairing.
Other parts except the above parts can't be supplied.

Содержание AVL-193

Страница 1: ...LCD TV SERVICE MANUAL AVL209 PRODUCT CODE No REFERENCE No SM0915020 1 682 340 97 NTSC M FILE NO PRODUCT CODE No SOURCE ...

Страница 2: ...nstructions Method of software upgrading Working principle analysis of the unit Block diagram IC block diagram Wiring diagram Troubleshooting charts Schematic diagram APPENDIX A Assembly list APPENDIX B Exploded View 1 3 7 10 11 12 17 18 21 ...

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: ...d voltage to be 12v and 5v 3 3 main board adjustment 3 3 1 IF amplifier adjustment a Turn off the J201 J202 J203 J204 J205 and J5 input 38MHz PAL SYSTEM and 45 75MHz N Write memory N300 and N400 To produce main board and power supply board Check power supply board and main adjustment All testing Connect with central signal source then check each function of TV Station missing system identification...

Страница 6: ...inate 0 293 0 008 g Repeat e step to f step it must be measure a true value h The unit without VGA interface of 20 N system you should be rework c step enter VIDEO channel input Gray H 16 for NTSC system of VIDEO interface press 2 5 8 and 0 buttons to access factory menu perform reset ex factory set and auto color 4 Performance check a TV Interfaces Connect RF port to central signal source Enter s...

Страница 7: ...e electrical connector or the antenna Check if the antenna is properly connected Fringe in picture Check if the antenna is correctly oriented Maybe there is electric wave reflected from hilltop or building Picture is interfered by stripe shaped bright spots Possibly due to interference from automobile train high voltage transmission line neon lamp etc Maybe there is interference between antenna an...

Страница 8: ... system Picture is whitish or too bright in the darkest area of the picture Check if the setting for the brightness is too high Possibly the brightness grade of DVD player broadcaster is set too high No picture or signal produced from the displayer if XXX in search appears Check if the cable is disconnected Check if it s connected to the proper terminal or if the input mode is correct There appear...

Страница 9: ...g board especially for Y main board The steps for updating software 1 Install Gprobe 5 0 The first Double click the GProbe5 1 0 0 15_S0006 EXE 09A to install it According to the prompt of Windows and follow the steps one by one to finish the installation The second Double click the GPorbe5 1 0 0 15Update1_S0006 EXE 10A to install it According to the prompt of Windows and follow the steps one by on...

Страница 10: ... VGA cable connect the other end to the VGA interface of the LCD 6 Turn on the LCD 7 Run Gprobe5 Click the icon of Set the Device to Parallel The click the item of Delays and Buffer Size Set Long to 50000 ms Click the item of Parallel Set Clock to 120000 Hz 8 Click Batch ...

Страница 11: ... just need to click the pull down menu to select the desired Batch file and execute it in the following screen Note Do not cut off the power or turn off the unit during the burning process or the flash may be damaged Check the following if you fail to update 1 Check whether all cables are properly connected 2 Check the settings of Gprobe 3 It is wrong if the Gprobe shows as the following icon Now ...

Страница 12: ...s sent to FLI8125 directly For the NTSC system when the RF signal is input to the NTSC tuner the turner generates IF signal Then the IF signals goes through the pre amplifying circuit and 45 75M SAW the VIF signal and 1ST_SIF signal will be generated When these signals are input into the M52760E IC the VIDEO_OUT and SIF signal will be generated Then the SIF signal is sent to MTS decoder LA72700 to...

Страница 13: ...11 BLOCK DIAGRAM ...

Страница 14: ...he inner IC block diagram and function 1 Inner block diagram of M52760 IF signal processing IC AFT QIF VIDEO OUT Descriptions of the pins Pin Description Pin Description 4 5 VIF input 13 QIF OUT 7 1ST_SIF input 14 VCC 10 AUDIO OUT 18 VIDEO OUT ...

Страница 15: ...13 2 Inner block diagram of LA72700 stereo decoder ...

Страница 16: ... multi channel selector HEF4052BT while the audio signal from the AV inputs is sent to R2S15900SP directly After the processing of bass treble balance and AVL by R2S15900S all these processed audio signals will be output to audio amplifier TPA1517 for 15 inch models or AN5277 for other models to amplify then the amplified signal will be sent to the speaker to output The Fig 1 3 is the block diagra...

Страница 17: ...15 5 Inner block diagram of TPA1517 6W stereo audio amplifier ...

Страница 18: ...UD_SEL_1 10 RESETn Reset 52 AUD_SEL_2 15 XTAL Resonator output 63 PBIAS Panel s oblique line control 16 TCLK Basic clock 64 PPWR Backlight adjustment 24 SCL_RS232 SCL_RS232 90 DEN Display data 25 SDA_RS232 SDA_RS232 91 DVS Display V synchronization 26 SCL_VGA SCL_VGA 92 DHS Display H synchronization 27 SDA_VGA SDA_VGA 93 DCLK Display pixel clock 30 SCL SCL 148 STANDBY Standby 31 SDA SDA 149 MUTE M...

Страница 19: ...17 Wiring diagram Button board B Button board A Right speaker Left speaker Back light board Power board Main board indicator light board ...

Страница 20: ... lights up when press the STANDBY button Confirm the IR sensor and its power supply is normal Indicator damages or blue indicator 9V power is abnormal check 9V circuit Whether the backlight lights up Whether the voltage of the panel is normal 8125 is abnormal without signal output or the output signal is abnormal Whether the backlight power or PBIAS pin is l Backlight board damage or protection Re...

Страница 21: ...rent from the actual frequency Connect the signal cable manually adjust the frequency to conform to the actual frequency Enter into service menu check AFT value should be about 1 6V If the difference is serious the difference is larger than 0 4V open the cabinet and adjust the transformer until the value of AFT is 1 6V Increase the volume check whether every channel has no sound Check if the no so...

Страница 22: ...ace D502 Check whether pin1 of N501 has wave Replace N502 Check whether N502 is damaged Replace N505 Check whether N505 is damaged Check whether N505 D507 is damaged Replace the damaged parts Y Y Y N Y N Y N Y N N Y Check if the C505 is normal Check C528 DC 150 370 V Check if X501 FU501 is normal Check D502 R531 D508 Check N501 13 DC 15 V Check N501 and peripheral circuit Check the assistant suppl...

Страница 23: ...power ...

Страница 24: ...IR ...

Страница 25: ...KEY ...

Страница 26: ......

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Страница 31: ...900 5271590001 M52760 5265276001 FLI8125 5278125001 Key board XI6LY01505A0 IR board XI6LY0150910 Backlight board XI6LY01414A0 Power board XI6LY0142010 Remote control XI6010Q03201 Panel XI5203205301 RC Q32M 0A T200XW02V0 APPENDIX A Main assembly AVL209 MAIN COMPONENT AND IT S NO ...

Страница 32: ...AVL209 ...

Страница 33: ...PART LIST OF EXPLODED VIEW NO DESCRIPTION 1 IR board 2 Front cabinet 3 Speaker 4 Key board 5 Panel 6 Backlight board 7 Power board 8 Back cabinet 9 Stand 10 Main baord 11 User manual 12 Remote control ...

Страница 34: ...01505A0 Key board 1 5 Panel 1 AU T200XW02V0 6 XI6LY01414A0 Backlight board 1 7 XI6LY0142010 Power board 1 8 XI5HP19WH04B Back cabinet 1 9 XI6151059320 Stand 1 10 XI6LY03001A0 Main baord 1 11 XI594400832A User manual 1 12 XI6010Q03201 Remote control 1 Only the parts in above list are used for repairing Other parts except the above parts can t be supplied ...

Страница 35: ...Mar 2008 ...

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