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Vizio VF550M - 55" LCD TV, Service Manual

The Vizio VF550M - 55" LCD TV offers stunning picture quality and immersive viewing experience. For troubleshooting and maintenance, download the Service Manual for free from manualshive.com. This manual provides detailed instructions on how to optimize and maintain your TV for long-lasting performance.

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CONFIDENTIAL 

–

  DO NOT COPY

 

Page 9-4

 

File No. SG-0300

 

Yes 

Yes 

N0 

N0 

Yes 

Yes 

 

(

HDMI

)

 

IS

 

NOT

 

DISPLAY

 

CORRECTLY 

 

 

 

 

 
 
 
 
 

Input signal good?

 

Start 

1. Check video 
2. Check host’s setting 

U11 no data out ?

 

1. Check U11 power 
2. Check between signals U11 
3. Check U11 clock 27MHZ 

1. Is JM1 & JM2 connected good? 
2. Is panel working ok?

 

END

 

Summary of Contents for VF550M - 55" LCD TV

Page 1: ...TECHNOLOGY CO LTD 17F NO 268 Lien Chen Rd Chung Ho City Taipei County Taiwan 235 R O C TEL 02 8228 0505 FAX 02 8228 0599 Confidential Document Property of AmTRAN CO LTD Model VF550M_LGD _LC550WUD SBA...

Page 2: ...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...

Page 3: ...ications 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 c...

Page 4: ...t of screen display 6 High quality 1920X1080 pixel by pixel display 7 Smoothing function enables display of smooth texts and graphics even if image with resolution lower than 1920X1080 is magnified 8...

Page 5: ...ce White 500 cd m2 Center 1point Typ Viewing Angle CR 10 Viewing angle free R L 178 Min U D 178 Min Power Consumption Total 267 56 W Typ Logic 7 56 W Back Light 260W Weight 19 8Kg Typ Display Mode Tra...

Page 6: ...4000 ft 7 DIMENSIONS Physical dimension Unit mm With Stand Without stand a Height 860 79 912 14 b Width 1307 49 1307 49 c Depth 125 75 342 42 8 WEIGHT Physical weight a Net 34 0 1 0 kg without base 4...

Page 7: ...ouch the surface of polarizer for bare hand or greasy cloth Some cosmetics are detrimental to the polarizer 7 When the surface becomes dusty please wipe gently with absorbent cotton or other soft mate...

Page 8: ...teels should be a machine screw if not it causes metallic foreign material and deal LCM afatal blow 9 Please do not set LCD on its edge 9 3 Electrostatic Discharge Control Since a module is composed o...

Page 9: ...refully by people who are electrically grounded and with well ion blown equipment or in such a condition etc 2 When the module with protection film attached is stored for a long time sometimes there r...

Page 10: ...Source A PICTURE Picture Mode Custom Standard Movie Game Vivid Football Golf Basketball Baseball a Backlight 0 100 b Brightness 0 100 c Contrast 0 100 d Color 0 100 e Tint 32 32 f Sharpness 0 7 g Adva...

Page 11: ...Fixed Variable h Lip Sync 0 5 i Reset Audio Mod C TV a Tuner Mode Cable Antenna b Auto Search c Partial Channel Search d Scan Mode Analog Digital Analog Digital e From Channel 1 135 or 2 69 f To Chann...

Page 12: ...Full Stretch Normal Panoramic e Input Naming f CC f 1 CC Off CC1 CC2 CC3 CC4 Service1 Service2 Service3 Service4 Service5 Service6 f 2 Digital CC Style g H V Position g 1 H Position 0 64 ATV support...

Page 13: ...rogressive j System Reset j 1 Setup Wizard j 2 Reset All Setting RGB Mode A PICTURE a Auto Adjust b Backlight 0 100 c Brightness 0 100 d Contrast 0 100 e Color Temperature f H Size 0 255 g H Position...

Page 14: ...guage English Espanol Francais b PIP b 1 PIP Mode Off PIP POP b 2 PIP Source TV b 3 PIP Position TL BR b 4 Size Small Medium Large b 5 Audio Source Main or PIP c Sleep Timer Off 30Minutes 60Minutes 90...

Page 15: ...g 2 Color Enhancement Off Normal Rich Color Green Flesh Green Blue g 3 Advanced Adaptive Luma Off Low Medium Strong Extend g 4 Backlight Control Off DCR OPC g 5 Color Temperature g 6 Smooth Motion g 7...

Page 16: ...um Large b 5 Audio Source Main or PIP c Sleep Timer Off 30Minutes 60Minutes 90Minutes 120Minutes d Wide Zoom1 Zoom2 Full Stretch Normal Panoramic e Input Naming f H V Position f 1 H Position 0 64 f 2...

Page 17: ...ium Strong h 2 Color Enhancement Off Normal Rich Color Green Flesh Green Blue h 3 Advanced Adaptive Luma Off Low Medium Strong Extend h 4 Backlight Control Off DCR OPC h 5 Color Temperature h 6 Smooth...

Page 18: ...Large b 5 Audio Source Main or PIP c Sleep Timer Off 30Minutes 60Minutes 90Minutes 120Minutes d Wide Zoom1 Zoom2 Full Stretch Normal Panoramic e Input Naming f H V Position f 1 H Position 0 64 f 2 V P...

Page 19: ...TIAL DO NOT COPY Page 3 10 File No SG 0300 h System Info h 1 Model Name h 2 Version h 3 Revision h 4 Source Type h 5 Resolution h 6 V Freq h 7 Progressive i System Reset i 1 Setup Wizard i 2 Reset All...

Page 20: ...onnector good 3 Is DC to DC OK 4 Is U1 5V 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 Is backli...

Page 21: ...gnal good 1 Check video 2 Check DVD player U11 input correct 1 Check VIDEO signal 2 Check signal between U11 IF IN AV mode LVDS output correct 1 Check U11 DV33 DV10 AV33 AV12 2 Check Y2 is OK 1 Check...

Page 22: ...put signal good 1 Check video 2 Check host s setting P5 input correct 1 Check signal between P5 2 Check power 12V 5V U11 input correct 1 Check signal between U14 P1 2 Check U11 Clock 27MHZ 3 Check U11...

Page 23: ...es Yes N0 N0 Yes Yes HDMI IS NOT DISPLAY CORRECTLY Input signal good Start 1 Check video 2 Check host s setting U11 no data out 1 Check U11 power 2 Check between signals U11 3 Check U11 clock 27MHZ 1...

Page 24: ...Yes Yes N0 N0 N0 N0 N0 N0 N0 N0 Yes Yes Yes Yes Yes TROUBLE OF DC DC CONVERTER Start J1 PIN10 11 12 J1PIN2 3 4 J5 PIN 1 2 The voltage is 5VSB 1 Check power board 2 Check power cable connection J1 U1 p...

Page 25: ...DC OK Support DDC1 2B 1 VGA cable ok 2 Check signal U35 to P13 3 Check U35 Voltage 4 Is compliant protocol HDMIDDC OK Support DDC1 2B 1 HDMI cable ok 2 Check signal U17 to P7 3 Check signal U19 to P8...

Page 26: ...Yes TV_SIDE AUDIO IS NOT DISPLAY CORRECTLY Start Input signal good 1 Check Audio source 2 Check the player of source Input correct 1 Check signal of Main Board 2 Check amplifier J11 Check amplifier O...

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