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Vizio VU37L HDTV10A, Service Manual

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VIZIO VU37L HDTV10A_LPL/AUO Service Manual 

Table of Contents 

 
CONTENTS PAGE 
 

Sections 

 

1. Features   

 1-1 

 2. Specifications  

 2-1 

  3. On Screen Display   

 3-1 

  4. Factory Preset Timings   

 4-1 

 5. Pin Assignment  

 5-1 

  6. Main Board I/O Connections   

 6-1 

 7. Theory of Circuit Operation  

 7-1 

 8. Waveforms  

 8-1 

 9. Trouble Shooting  

 9-1 

 10.  Block  Diagram   

 10-1 

11. Spare parts list   

 11-1 

12. Complete Parts List   

 12-1 

 

Appendix 

  1. Main Board Circuit Diagram 

 

2.   Main Board PCB Layout 

3.  Assembly Explosion Drawing 

 Block Diagram 

Summary of Contents for VU37L HDTV10A

Page 1: ...Service Manual V Inc 320A Kalmus Drive Costa Mesa CA 92626 TEL 714 668 0588 FAX 714 668 9099 Top Confidential Model VIZIO VU37L HDTV10A_AUO LPL ...

Page 2: ... 3 1 4 Factory Preset Timings 4 1 5 Pin Assignment 5 1 6 Main Board I O Connections 6 1 7 Theory of Circuit Operation 7 1 8 Waveforms 8 1 9 Trouble Shooting 9 1 10 Block Diagram 10 1 11 Spare parts list 11 1 12 Complete Parts List 12 1 Appendix 1 Main Board Circuit Diagram 2 Main Board PCB Layout 3 Assembly Explosion Drawing Block Diagram ...

Page 3: ...ence to radio communications However there is no guarantee that the interference will not occur in a particular installation If this equipment does cause unacceptable interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures reorient or relocate the rec...

Page 4: ...uto adjust function for automatic adjument of screen display 6 Smoothing function enables display of smooth texts and graphics even if image withresolution lower than 1366x768 is magnified 7 Advanced video functions for personal favor 8 Power saving to reduce consumption power too less than 0 5W 9 On Screen Display user can define display mode i e color brightness contrast sharpness backlight soun...

Page 5: ...glare treatment of the front polarizer Model Name AUO T370XW02 VC Size 37 02inch Display Size 37 02 inches 940 3mm diagonal Outline Dimension 877 0 mm H x 514 6 mm V x 54 3 mm D Typ Pixel Pitch 0 6mm H x 0 6mm W x RGB Pixel Format 1366 horiz By 768 vert Pixels RGB strip arrangement Display Operating Mode Transmissive mode normally Black Surface Treatment Hard Coating 3H Anti glare treatment of the...

Page 6: ... Audio 4 x Stereo RCA Jack R L 1 x PC Mini Jack USB firmware update Audio Input 1x Stereo Audio RCA 1x PC mini jack 4 POWER SUPPLY Input Voltage Level 120 Vac 50 60 Hz Power Consumption 200W MAXPower OFF to less than 0 5W MAX 5 Speaker Output 10W max X2 6 ENVIRONMENT 5 1 Operating Temperature 5c 35c Ambient 5 2 Operating Humidity Ta 35 C 90 RH Non condensing 5 3 Operating Altitude 0 14 000 feet 42...

Page 7: ...isplayed for a long time remnant image is likely to occur 6 Module has high frequency circuits System manufacturers shall do sufficient suppression to the electromagnetic interference Grounding and shielding methods may be important to minimize the interference 2 HANDLING PRECAUTIONS FOR PROTECTION 1 The protection film is attached to the bezel with a small masking tape When the protection film is...

Page 8: ...oviding the function adjusting in our system Customers could operate it only by few buttons There is the introduction of the OSD Main unit button MENU OK CH CH VOL VOL Input MENU MENU button could star the OSD which could adjust the performance and set up the setting between the different input sources There are the structures ...

Page 9: ...267 TV Source A PICTURE ADJUST a PICTURE MODE CUSTOM STANDARD MOVIE GAME VIVID FOOTBALL GOLF BASKETBALL BASEBALL b BACKLIGHT 0 100 c BRIGHTNESS 0 100 d CONTRAST 0 100 e COLOR 0 100 f TINT 32 32 g SHARPNESS 0 7 h ADVANCED VIDEO i RESET PICTURE MODE ...

Page 10: ...ile No SG 0267 B AUDIO ADJUST a AUDIO Mode FLAT ROCK POP CLASSIC JAZZ b EQUALIZER c BALANCE 50 50 d SURROUND ON OFF e DIGITAL AUDIO OUT PCM OFF DOBLY DIGITAL f SPEAKERS ON OFF g AUDIO OUT FIXED VARIABLE h LIP SYNC 0 5 i RESET AUDIO MODE ...

Page 11: ...G 0267 C TV ATV a TUNER MODE ANTENNA CABLE b AUTO SEARCH c PARTIAL CHANNEL SEARCH d SKIP CHANNEL e MTS STEREO SAP MONO f TIME ZONE EASTERN ATLANTIC INDIANA g CENTRAL MOUNTAIN ARIZONA h NEWFOUNDLAND PACIFIC ALASKA HAWAII i DAYLIGHT SAVING ON OFF ...

Page 12: ...TV DTV a TUNER MODE ANTENNA CABLE b AUTO SEARCH c PARTIAL CHANNEL SEARCH d SKIP CHANNEL e MTS LANGUAGE1 LANGUAGE2 f LANGUAGE3 g TIME ZONE EASTERN ATLANTIC INDIANA h CENTRAL MOUNTAIN ARIZONA i NEWFOUNDLAND PACIFIC ALASKA j HAWAII k DAYLIGHT SAVING ON OFF ...

Page 13: ...nly a LANGUAGE ENGLISH FRANCAIS ESPANOL b SLEEP TIMER OFF 30 MINUTES 60 MINUTES 90 MINUTES 120 MINUTES c WIDE WIDE PANORAMIC NORMAL d INPUT NAMING e CC CC ON MUTE CC DIGITAL CC STYLE f H V POSITION H POSITION V POSITION H SIZE V SIZE g PARENTAL h RESET ALL SETTING ...

Page 14: ...7 File No SG 0267 F SETUP DTV only a LANGUAGE ENGLISH FRANCAIS ESPANOL b SLEEP TIMER OFF 30 MINUTES 60 MINUTES 90 MINUTES 120 MINUTES c WIDE WIDE PANORAMIC NORMAL d INPUT NAMING e CC CC ON MUTE CC DIGITAL CC STYLE f RESET ALL SETTING ...

Page 15: ... DO NOT COPY Page 3 8 File No SG 0267 G PARENTAL ATV DTV a CHANNEL BLOCK b US TV RATING c US MOVIE RATING d CANADIAN ENGLISH RATING e CANADIAN FRENCH RATING f DTV RATING g BLOCK TV UNRATED NO YES h ACCESS CODE EDIT ...

Page 16: ...SG 0267 H ADVANCED VIDEO ATV DTV a NOISE REDUCTION LOW MEDIUM STRONG OFF b COLOR ENHANCEMENT NORMAL RICH COLOR GREEN FLESH GREEN BLUE OFF c ADVANCED ADAPTIVE LUMA LOW MEDIUM STRONG EXTEND OFF d ENHANCED CONTRAST RATIO OFF ON e COLOR TEMPERATURE ...

Page 17: ...CONFIDENTIAL DO NOT COPY Page 3 10 File No SG 0267 I DTV RATING Æ U S 50 STATES POSSESSIONS a ENTIRE AUDIENCE b DIALOGUE c LANGUAGE d SEX e VIOLENCE f CHILDREN g FANTASY VIOLENCE h MPAA ...

Page 18: ...Page 3 11 File No SG 0267 RGB Mode A PICTURE ADJUST a AUTO ADJUST b BACKLIGHT 0 100 c BRIGHTNESS 0 100 d CONTRAST 0 100 e COLOR TEMPERATURE 9300 6500 CUSTOM f H SIZE 0 255 g H POSITION 0 100 h V POSITION 0 100 i FINE TUNE 0 31 ...

Page 19: ...File No SG 0267 B AUDIO ADJUST a AUDIO Mode FLAT ROCK POP CLASSIC JAZZ b EQUALIZER c BALANCE 50 50 d SURROUND ON OFF e DIGITAL AUDIO OUT PCM OFF DOBLY DIGITAL f SPEAKERS ON OFF g AUDIO OUT FIXED VARIABLE h LIP SYNC 0 5 i RESET AUDIO MODE ...

Page 20: ...AL DO NOT COPY Page 3 13 File No SG 0267 C SETUP a LANGUAGE ENGLISH FRANCAIS ESPANOL b SLEEP TIMER OFF 30 MINUTES 60 MINUTES 90 MINUTES 120 MINUTES c WIDE WIDE PANORAMIC NORMAL d INPUT NAMING e RESET ALL SETTING ...

Page 21: ... AV COMPONENT MODE A PICTURE ADJUST a PICTURE MODE CUSTOM STANDARD MOVIE GAME VIVID FOOTBALL GOLF BASKETBALL BASEBALL b BACKLIGHT 0 100 c BRIGHTNESS 0 100 d CONTRAST 0 100 e COLOR 0 100 f TINT 32 32 g SHARPNESS 0 7 h ADVANCED VIDEO i RESET PICTURE MODE ...

Page 22: ...File No SG 0267 B AUDIO ADJUST a AUDIO Mode FLAT ROCK POP CLASSIC JAZZ b EQUALIZER c BALANCE 50 50 d SURROUND ON OFF e DIGITAL AUDIO OUT PCM OFF DOBLY DIGITAL f SPEAKERS ON OFF g AUDIO OUT FIXED VARIABLE h LIP SYNC 0 5 i RESET AUDIO MODE ...

Page 23: ...CONFIDENTIAL DO NOT COPY Page 3 16 File No SG 0267 ...

Page 24: ...a LANGUAGE ENGLISH FRANCAIS ESPANOL b SLEEP TIMER OFF 30 MINUTES 60 MINUTES 90 MINUTES 120 MINUTES c WIDE WIDE PANORAMIC NORMAL d INPUT NAMING e CC CC ON MUTE CC DIGITAL CC STYLE f H V POSITION H POSITION V POSITION H SIZE V SIZE g PARENTAL h RESET ALL SETTING ...

Page 25: ...DO NOT COPY Page 3 18 File No SG 0267 D PARENTAL CONTROL a CHANNEL BLOCK b US TV RATING c US MOVIE RATING d CANADIAN ENGLISH RATING e CANADIAN FRENCH RATING f DTV RATING g BLOCK UNRATED TV YES NO h ACCESS CODE EDIT ...

Page 26: ...CONFIDENTIAL DO NOT COPY Page 3 19 File No SG 0267 ...

Page 27: ... No SG 0267 E ADVANCED VIDEO a NOISE REDUCTION LOW MEDIUM STRONG OFF b COLOR ENHANCEMENT NORMAL RICH COLOR GREEN FLESH GREEN BLUE OFF c ADVANCED ADAPTIVE LUMA LOW MEDIUM STRONG EXTEND OFF d ENHANCED CONTRAST RATIO OFF ON e COLOR TEMPERATURE ...

Page 28: ...0267 HDMI MODE A PICTURE ADJUST a PICTURE MODE CUSTOM STANDARD MOVIE GAME VIVID FOOTBALL GOLF BASKETBALL BASEBALL b BACKLIGHT 0 100 c BRIGHTNESS 0 100 d ONTRAST 0 100 e COLOR 0 100 f TINT 32 32 g SHARPNESS 0 7 h ADVANCED VIDEO i RESET PICTURE MODE ...

Page 29: ...CONFIDENTIAL DO NOT COPY Page 3 22 File No SG 0267 ...

Page 30: ...File No SG 0267 B AUDIO ADJUST a AUDIO Mode FLAT ROCK POP CLASSIC JAZZ b EQUALIZER c BALANCE 50 50 d SURROUND ON OFF e DIGITAL AUDIO OUT PCM OFF DOBLY DIGITAL f SPEAKERS ON OFF g AUDIO OUT FIXED VARIABLE h LIP SYNC 0 5 i ESET AUDIO MODE ...

Page 31: ...File No SG 0267 C SETUP a LANGUAGE ENGLISH FRANCAIS ESPANOL b SLEEP TIMER OFF 30 MINUTES 60 MINUTES 90 MINUTES 120 MINUTES c WIDE WIDE PANORAMIC NORMAL d INPUT NAMING e H V POSITION H POSITION V POSITION H SIZE V SIZE f RESET ALL SETTING ...

Page 32: ... No SG 0267 D ADVANCED VIDEO a NOISE REDUCTION LOW MEDIUM STRONG OFF b COLOR ENHANCEMENT NORMAL RICH COLOR GREEN FLESH GREEN BLUE OFF c ADVANCED ADAPTIVE LUMA LOW MEDIUM STRONG EXTEND OFF d ENHANCED CONTRAST RATIO OFF ON e COLOR TEMPERATURE ...

Page 33: ...ncludes items as below A TV Analog TV or digital TV B AV1 AV2 Composite AV signal C Component1 Component2 Color difference YPbPr video signals D RGB Video Graphics Array VGA or D sub video signals E HDMI1 HDMI2 HDMI3 High Definition Multimedia Interface HDMI multimedia signals INFO INFO button could show an information bar which displays the information about the input signal on our LCD TV ...

Page 34: ...VSB F1 2 Is J1 connector of MB good 3 Is DC DC OK 4 Is U22 pin2 3V3SB working ok LED is lighting It is in power saving 1 Check video cable 2 Is the timing supported 3 Check sync input 4 Check VGA SOG rout if analog SOG C132 Panel has no data out It means data to LVDS 1 Is J8 connecting OK 2 Check J1 5VSB F1 12V F2 3 Is panel ok 4 Check P5 D sub Input correct 5 Check analog input route END ...

Page 35: ...put signal good 1 Check video 2 Check DVD player U13 input correct 1 Check P14 signal 2 Check signal between P14 and U13 IF AV1 mode 3 Check Tuner U13 IF TV mode 4 Check P3 IF AV2 mode 5 Check U13 POWER 3 3V LVDS output 1 Check J8 Connect is good 2 Is panel working ok END 1 Check LVDS LINE 2 Check U13 clock 60MHz X1 3 Check U13 Power ...

Page 36: ...put signal good 1 Check video 2 Check host s setting P3 input correct 1 Check signal from P3 or P14 2 Check system power 12V 5V 5VSB U13 input correct 1 Check signal between U13 P3 or P14 2 Check Y1 Clock 60MHZ Is LVDS output 1 Check U13 2 Check U13 power 3 3V 2 5v 1 8v 1 25v 1 Is J8 connected good 2 Is panel working ok END ...

Page 37: ...s Yes N0 N0 HDMI IS NOT DISPLAY CORRECTLY Input signal Start 1 Check video 2 Check host s setting 1 Check P7 P8 P9 connect 2 Check the pin18 19 of P7 P8 P9 3 Check the pin 6 of U32 U33 U34 U13 no data out 1 Is J9 connected good 2 Is panel working ok END ...

Page 38: ... 3V 3V3SB 3 Check power board 4 Check F2 U14 pin 5 6 7 8 The voltage is about 5V while power switch on 1 Check F1 U14 2 Check OPWRSB R19 3 Check U14 pin1 2 or pin 3 4 should have 1V more U15 U17 U22 U33 The voltage is about 3 3V 1 Check F1 U14 2 Check U15 U17 U22 U21 pin2 The voltage is about 1 2V while power switch on 1 Check F1 U14 2 Check U21 pin2 U19 pin2 The voltage is about 2 5V while power ...

Page 39: ...ADING Start Is Analog DDC OK Support DDC1 2B 1 Analog cable ok 2 Check signal U31 to P5 3 Check U31 Voltage 4 Is protocol compliant Is HDMI DDC OK Support DDC1 2B 1 Analog cable ok 2 Check signal U32 to P7 3 Check signal U 33 to P8 4 Check signal U34 to P9 5 Is protocol compliant END ...

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