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LCD TV

SERVICE MANUAL

AVL3210

PRODUCT CODE No.

REFERENCE No.:SM0915021

1 682 34

: NTSC-M

FILE NO.

PRODUCT CODE No.

Содержание AVL-3210

Страница 1: ...LCD TV SERVICE MANUAL AVL3210 PRODUCT CODE No REFERENCE No SM0915021 1 682 345 27 NTSC M FILE NO PRODUCT CODE No ...

Страница 2: ...instructions Adjustment instruction working principle analysis block diagram IC block diagram Wiring diagram Troubleshooting guide Schematic diagram APPENDIX A Assembly list APPENDIX B Exploded view 1 3 6 7 8 14 15 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: ...usly to exit Method for software upgrading enter factory menu and select OPTION set ISP to 1 or insert jump wire J1 then you can upgrade on line After upgrade set ISP back to 0 or pull out jump wire J1 3 1 Initialization Enter factory menu select OPTION 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 me...

Страница 6: ...scale of PAT920 adjust the balance with CA210 b Enter COLOR TEMP sub menu and select color temperature of standard 9300K c Fixed B OFF adjust R OFF G OFF to let the color coordinate of the second level be 283 297 CPT panel and the brightness be 3nit 10nit or so Fixed B GAIN adjust R GAIN G GAIN to let the color coordinate of the seventh level be 283 297 CPT panel Repeat adjust R OFF G OFF R GAIN a...

Страница 7: ...I terminal 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 Put the earphone line into COM terminal 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 S...

Страница 8: ...switch NW200 HEF4052BT selection to MST9U88L AV1 and S VIDEO share one audio port Video and audio signal of VGA HDMI will be sent to MST9U88L too The main IC NS4 MST9U88L is a high performance and fully integrated IC which can realize HDMI interface processing video demodulating video switch selection A D and D A conversion interlace de interlace processing modes conversion OSD and low voltage dif...

Страница 9: ... DVI PC L R HD1 L R MUX MST9X88L P A N E L I O port KEY Power controlMeg8 DDR Serial flash HDCP KEY EEPROM DAC CS4344 2 multiple video amplify L RAV2 L R AV1 L R OUT VIDEO OUT AV OUT D class amplifier MPS7722 Earphone amplifier I2S EDID EDID Earphone Speaker Block diagram 7 ...

Страница 10: ... 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 With external frame buffer 3 D video decoding and processing are fulfilled for high quality TV application To further reduce system costs the MST9U88L also integrates intelligent power management control capability for green ...

Страница 11: ...74 AV1 S AV2 YpbPr1 YpbPr2 L R input 178 search program synchronous test input 188 HDMI hot plug test output 189 image switch output 192 backlight control output 193 panel voltage contort output 85 86 L R output 234 236 238 239 I2S bus AVOUT A 199 208 4 pairs differential signal and 1pair clock signal output 174 SDA 175 SCL 2 R2S10401 R2S10401SP is a semiconductor integrated circuit consisting of ...

Страница 12: ...10 ...

Страница 13: ...rating the following 180mΩ power MOSFETs Startup Shutdown pop elimination Short circuit protection Mute Standby The MP7722 utilizes a single ended output structure capable of delivering 2 x 20W into 4Ωspeakers MPS Class D Audio Amplifiers exhibit the high fidelity of a Class A B amplifier at efficiencies greater than 90 The circuit is based on the MPS proprietary variable frequency topology that d...

Страница 14: ...12 ...

Страница 15: ...13 Pin description 1 7 L R input 19 14 L R output 6 10 mute control input ...

Страница 16: ...down up down up down up IF adjustment Wiring diagram 14 ...

Страница 17: ...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 indicated by the red LED at the...

Страница 18: ...tteries 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 connected or if it has received th...

Страница 19: ...mm 10mm 5mm Total defected point 8 7 5 4 Notes 1 Definition of defected point bright spot dark spot It is identified as a defected point if its area exceeds 1 2 of a single picture element R G B 2 Definition of bright spot It is identified as a bright spot if it is bright in the state of dark field and its bright size remains unchanged 3 Definition of dark spot It is identified as a dark spot if i...

Страница 20: ... is 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 X301 on main board is high level Check if the PIN11 of X303 in main board is high level Check power supply board Check back light board yes no no red blue no yes Replace NS4 no yes Replace N102 ...

Страница 21: ... off the 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 XB201 11 on the TV board Check if output IF signal of TUNER1 pin 11 is normal Replace TUNER1 Check IF NZ100 and its periphery no yes yes HDMI VGA YPRPB TV yes no no no yes Does display OSD menu in screen when press menu button yes no yes no ...

Страница 22: ...f PIN2 8 13 and 18 voltage of NA6 is normal Check power board Check PIN3 and PIN7 output wave of NA6 Check PIN10 wave of NZ100 Check PIN11 wave of TUNER1 Replace TUNER1 Replace NA6 Replace NS4 Replace NZ100 no yes no yes yes yes no no ...

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Страница 32: ...Main board XI6HU0490110 NS4 MST9U88L 5270988001 Interface connection board XI6HU0214610 Key board XI6HU0130510 IR board XI6HU0220910 Power board XI6HU0212010 Remote control XI6010Y04601 Panel XI5203325506 APPENDIX A Main assembly AVL3210 MAIN COMPONENT AND IT S NO RC Y46 0A V320B1 L04 ...

Страница 33: ...1 2 3 4 5 6 7 8 9 11 10 AVL3210 ...

Страница 34: ...EXPLODED VIEW NO DESCRIPTION 1 Front cabinet 2 Panel 3 IR board 4 Power board 5 Interface connection board 6 Speaker 7 Key board 8 Back cabinet 9 Stand 10 Main board 11 Analog board 12 User manual 13 Remote control ...

Страница 35: ... 5 XI6HU0214610 Interface connection board 1 6 XI6170682080 Speaker 1 7 XI6HU0130510 Key board 1 8 XI5HG26WH01D Back cabinet 1 9 XI6151064940 Stand 1 10 XI6HU0490110 Main board 1 11 XI6HU0195310 Analog board 1 12 XI5944029040 User manual 1 13 XI6010Y04601 Remote control 1 Only the parts in above list are used for repairing Other parts except the above parts can t be supplied ...

Страница 36: ...Mar 2008 ...

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