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LCD

TELEVISION

LC-32U5

Argentina

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Summary of Contents for LC-32U5

Page 1: ...LCD TELEVISION LC 32U5 Argentina ...

Page 2: ...instructions Adjustment instructions Working principle analysis Block diagram IC block diagram Wiring diagram Troubleshooting Schematic diagram APPENDIX A Main assembly list APPENCIX B Exploded view 1 3 6 7 8 12 13 19 ...

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: ... 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 displaying still picture in high brightness for a long time 3 Points for attention during installation 3 ...

Page 5: ... to select adjustment items and press VOL and VOL to adjust value items press MENU to exit Note the white balance adjustment should be done under nature picture mode 3 1 Initialization Enter factory menu select Factory settings sub menu and adjustment for items of table1 Check DDC HDCP KEY and CPU Factory initialization setup IF channel voltage of TV and AGC voltage adjustment Support format of VG...

Page 6: ... 1280 1024 60Hz 3 3 2 Sub brightness and White balance adjustment VGA HDMI channel a Input VG 849 or VG 848 signal of VGA PROG852 640 480 75Hz and eighth level gray scale signal of PATTERN Use color analyzer CA210 to adjust sub brightness and white balance b Enter submenu of COLOR TEMP Select 9300k of color temperature set auto value of R G and B to 50 Enter submenu of white balance preset value o...

Page 7: ...ignal let the color coordinate of the second level and the seventh level 285 and 293 3 5 VIDEO channel adjustment TV VIDEO S VIDEO a Connect color bar signal of AV PM5518 NTSC eight level gray scale signal to VIDEO1 terminal enter factory menu preset value of offset_R offset_G and offset_B to 15 and gain R gain G and gain B to 25 adjust brightness let second bright to 3nit at least b Fixed value o...

Page 8: ...l switch and low voltage difference output functions and so on it send to four ways difference signal and one way clock signal to LCD display From HDMI input to MST6151contain sound signal via processed MST6151 send to processed D A switch for NA01 CS4340 output L R of HDMI L R of HDMI from CS4340 output L R of YPbPr and VGA DVI signal via sound switch NA02 HEF4052 to select then send to sound pro...

Page 9: ...I A L R BUS SCALER A D D A DEINTERLACER LVDS HDMI N101 CPU board MST6151DA VIDEO DECORDER N601 TVP5147PFP MCU N801 MTV412 SDRAM N201 SDRAM N202 AUDIO PROCESSOR N801 MSP3425G AUDIO AMP N401 TPA3008D2 EEPROM N802 EEPROM N803 AUDIO SW NA02 HEF4052 IF AMP N101 TV board M52760E TUNER SAW Z103 SAW Z102 SPEAKER PANEL DAC NA01 CS4340 HEADPHONE AUDIO SW N701 HEF4052 ...

Page 10: ...1_C VI_2_A VI_2_B VI_2_C VI_3_A VI_3_B VI_3_C VI_4_A CVBS Y CVBS C Pb CVBS C Pr CVBS Y CVBS Y Analog Front End Sampling Clock GPIO HS CS VS VBLK FID AVID XTAL1 XTAL2 DATACLK RESETB GLCO PWDN SCL SDA YCbCr Clamping AGC 2 11 Bit ADC 80 AV OUT 2 TV V input 7 AV1 V input 9 AV2 V S Y input 18 S C input 29 SDA 28 SCL 40 CLK output 43 47 50 52 CCIR656 format signal output 4 5 20 and 21 3 3V A power suppl...

Page 11: ...9 M52760 2 AFT 3 AGC 4 5 picture If input 7 sound IF input 13 SIF output 10 mono sound output 18 TV VIDEO output 14 17 5V 1 power supply MSP3425G ...

Page 12: ... H sync input 19 VGA V sync input 27 28 PB input 29 30 Y input 31 HDMI G input 32 33 PR input 54 61 CCIR656 format signal input 53 CLK input 164 171 174 4 difference signal output 160 161 1 clock signal output 188 191 HDMI sound output 200 PWW brightness control switch output 72 75 BUS parallel communication signal 49 131 195 1 8V power supply 4 17 12 109 204 66 102 3 3V power supply ...

Page 13: ...11 TPA3008 1 MUTE 3 R input 5 L input 20 17 L input 41 44 R input 15 23 33 39 and 47 18V power supply ...

Page 14: ...Wiring diagram 12 ...

Page 15: ...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 16: ... 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 17: ...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...

Page 18: ...ard is normal Check STANDBY circuit of power supply board Press POWER button in the unit button or sensor control then check the indicator Check if the PIN12 of X503 in CPU board is high level Check if the PIN7 of X501 in CPU board is high level Check power supply board Check back light board yes no no blue red no yes Replacing N801 no yes ...

Page 19: ...then turn off the TV turn on again display picture Adjust CPU board again Which is no signal of channels Replacing CPU board Check if 1VPP signal and noise wave of X12 PIN 1 in the TV board Check if output IF signal of TUNER1 pin 11 is normal Replacing TUNER1 Check N101 no yes yes HDMI VGA YPRP TV yes no no no yes Does display OSD menu in screen when press menu button yes no yes no ...

Page 20: ... of N401 is normal Check power supply Check PIN26 and PIN27 output wave of N801 Check PIN13 output wave of N101 Check PIN5 wave of Z102 Check PIN11 wave of TUNER1 Replacing N401 Replacing N801 Replacing N101 no yes no yes yes yes no no Replacing TUNER1 no ...

Page 21: ...CPU board page 1 of 8 ...

Page 22: ...CPU board page 2 of 8 ...

Page 23: ...CPU board page 3 of 8 ...

Page 24: ...CPU board page 4 of 8 ...

Page 25: ...CPU board page 5 of 8 ...

Page 26: ...CPU board page 6 of 8 ...

Page 27: ...CPU board page 7 of 8 ...

Page 28: ...CPU board page 8 of 8 ...

Page 29: ...Video processing board ...

Page 30: ...Video processing board ...

Page 31: ...Key board ...

Page 32: ...IR receive board ...

Page 33: ...32 Power board ...

Page 34: ...2 52760 10 MSP3425G 353 34250 10 TPA3008D2 353 30080 10 CPU board 667 L32U5 56 N101 N601 NA01 N801 MST6151DA 353 61510 10 TVP5147 353 51470 10 CS4340 353 43400 30 MTV412 353 04120 10 IR board 667 L32U5 09 Keypad board 667 L27U6 05 Power supply board 667 L32U18 20 Remote control 301 CL32U16 13D RC C13 0D Panel 335 32012 00 V320B1 L01 ...

Page 35: ...APPENDIX B Exploded View LC 32U5 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 ...

Page 36: ...t bracket vertical 870 10219 00 10 Panel trans connecting support 803 10245 00 11 Guide orbit upper 870 30146 00 12 Digital board baffle 804 2A441 00D 13 CPU board assay 667 L32U16 56A 14 Power supply board assy 667 L32U18 20 15 Speaker assy 615 20435 00 16 LED column 700 60241 60242 00 17 Front cabinet 780 G05W2JAR2B 18 Screw 855 A0029 00 19 LCD panel 335 32002 00 20 Video processor 667 L27U6 40A...

Page 37: ...603 L32U50 22 Ver 1 0 ...

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