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NO.

DESCRIPTION

Front cabinet

Panel push board

Main board

Power board

Wall mounting bracket

Interface baffle

Back cabinet

Stand column

Stand

Key board

Power socket

Speaker

IR board

LCD panel fixed bracket

Panel

Decorative bar

PART LIST OF EXPLODED VIEW

Note: design and specifications are subject to change without notice.

Содержание LC-32HU56S

Страница 1: ...LCD TELEVISION LC 32HU56S ...

Страница 2: ...utions Alignment instructions 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 6 7 8 13 14 19 ...

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: ...4 75 5 5V 0 H LC 32HUXX 8 55 9 45V 0 4 85 5 36V 0 11 4 12 6V 0 4 85 5 36V 0 H Test the pin voltage of XS16 the data is shown in table2 Table2 voltage data of XS16 Pin1 Pin2 Pin3 Pin4 Pin5 Pin6 LC 26HUXX 0 4 75 5 5V 0 8 55 9 45V 0 30 4 33 6V LC 32HUXX 0 4 85 5 36V 0 8 55 9 45V 0 31 36 32 64V Test the pin voltage of XS11 the data is shown in table3 Table3 voltage data of XS11 Pin1 Pin2 Pin3 Pin4 Pin...

Страница 6: ...on 0 no LOGO display ADC PRESCALE 046 Software will preset the data according unit SIF PRESCALE 02E Software will preset the data according unit BACK LIGHT FF Software will preset the data according the type of panel ALL COLOR 1 1 white balance of each channel auto offset based on the HDMI white balance 0 white balance of each channel adjust the offset base separately Note don t set ALL COLOR to 1...

Страница 7: ...PAT976 include black white bars Enter ADC ADJ submenu select AUTOTUNE and wait for OK display Input PAT920 8 gray levels check if the white balance is normal if not set ALL COLOR to 0 and fine adjust according the method of 4 4 1c c Input AV signal PM5518 8 gray levels NTSC to VIDEO1 terminal check if the white balance is normal if not set ALL COLOR to 0 and fine adjust according the method of 4 4...

Страница 8: ...470 to do intermediate amplification and output the second sound intermediate frequency signal TV SIF The TV V signal output from TDA4470 together with TV SIF will be sent to main IC NS2 MST9E19B Video signals of VGA and HDMI will be sent to MST9E19B too Video signal of YPbPr and Video RGB of SCART1 via video switch NB24 PI5V330 will be sent to MST9E19B Video signal V CVBS of SCART1 YPbPr L R and ...

Страница 9: ...1 L R HDMI L R VGA L R YPbPr L R TUNER TV SIF TV V SCART1 V OUT TV L R SCART1 L R OUT HDTV SW PI5V330 LCD TV CONTROLLER MST9E19B AUDIO AMP R2S15102NP EEPROM FLASH PANEL SPEAKER EDID 24C02 IF AMP TDA4470 POWER MEG ATMEG8L 2 AMP SAW PRE AMP PRE AMP LM358D ...

Страница 10: ...DC PLL an integrated DVI HDCP HDMI receiver a multi standard TV 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 To further reduce system costs the MST9E19A also integrates intelligent power management control capability for green mode requirements and spread spectrum suppor...

Страница 11: ...9 2 R2S15102NP ...

Страница 12: ...10 ...

Страница 13: ... for multi standard video sound IF VIF SIF signal processing in TV VCR and multimedia applications The circuit processed all TV video IF signals with negative modulation e g B G standard positive modulation e g L standard and the AM FM NICAM sound IF signals ...

Страница 14: ...12 ...

Страница 15: ...13 Wiring diagram main board speaker IR board key board power board backlight pin pin pin pin pin pin pin pin ...

Страница 16: ...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...

Страница 17: ... 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...

Страница 18: ...al Check STANDBY circuit of power supply board Press POWER button in the unit or sensor control and check the indicator Check if the PIN2 3 of XS14 on main board is high level Check if the PIN11 of XS15 on main board is low level Check power supply board Check back light board yes no no red blue no yes Replace NS2 no yes Check NS14 and its peripheral circuit ...

Страница 19: ...in board again Which is no signal of channels Replace main board Check if 1VPP signal and noise wave of TP1 on the TV board Check if output IF signal of TUNER101 pin 11 is normal Check TUNER101 and its periphery Check N3 and its periphery no yes yes VGA SCART CVBS HDMI TV yes no no no yes Does display OSD menu in screen when press menu button yes no yes no Check if NB24 output signal Replace main ...

Страница 20: ... is normal Check power supply Check the wave of PIN5 11 of NV4 Check PIN24 wave of N3 Check PIN11 wave of TUNER101 Check TUNER101 and its periphery Check NV4 and its periphery Check NS2 and its periphery Check N3 and its periphery no yes no yes yes yes no no ...

Страница 21: ...main board sheet 1 5 ...

Страница 22: ...main board sheet2 5 ...

Страница 23: ...main board sheet 3 5 ...

Страница 24: ...main board sheet 4 5 ...

Страница 25: ...main board sheet 5 5 main board sheet 5 5 ...

Страница 26: ...IR key board ...

Страница 27: ...power board ...

Страница 28: ...0MFL 5274470001 R2S15102 5271510201 MST9E19B 5270919002 Key board 6HU0860510 IR board 6HC0040910 Power board 6HU0212010 Remote control 6010Y03502 Panel 5203325207 RC Y35 0A CLAA320WF01U APPENDIX A Main assembly 9232HU5610 MAIN COMPONENT AND IT S NO ...

Страница 29: ...APPENDIX B Exploded view LC 32X56 ...

Страница 30: ... Wall mounting bracket 6 Interface baffle 7 Back cabinet 8 Stand column 9 Stand 10 Key board 11 Power socket 12 Speaker 13 IR board 14 LCD panel fixed bracket 15 Panel 16 Decorative bar PART LIST OF EXPLODED VIEW Note design and specifications are subject to change without notice ...

Страница 31: ...9232HU5610 Ver 1 0 ...

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