Vizio VF550M - 55" LCD TV Service Manual Download

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Service Manual

AMTRAN 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-SBA1

(T55USVZB1DE-.VF550M1)

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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