Vizio SV420M - 42" LCD TV Service Manual Download Page 27 | Manualshive

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Summary of Contents for SV420M - 42" LCD TV

Page 1: ...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 VIZIO SV420M_LGD_...

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: ...cd m2 Center 1point Typ Viewing Angle CR 10 Viewing angle free R L 178 Min U D 178 Min Power Consumption Total 166 6 W Typ Logic 6 6 W Back Light 160W with Inverter Control PCB Weight 11 0Kg Typ Disp...

Page 6: ...ion Unit mm With Stand Without stand a Height 688 9 650 9 b Width 1000 9 1000 9 c Depth 241 4 96 4 8 WEIGHT Physical weight a Net 17 44 1 0 kg b Gross 23 47 1 0 kg 9 Precautions Please pay attention t...

Page 7: ...wipe gently with absorbent cotton or other soft materials like chamois soaks with petroleum benzine Normal hexane is recommended for cleaning the adhesives used to attach front rear polarizers Do not...

Page 8: ...in that treatment persons are connected to ground through wrist band etc And don t touch interface pin directly 9 4 Precautions for Strong Light Exposure Strong light exposure causes degradation of po...

Page 9: ...ometimes there remains a very small amount of glue still on the bezel after the protection film is peeled off 3 You can remove the glue easily When the glue remains on thebezel surface or its vestige...

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: ...Audio Out 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...

Page 12: ...Zoom1 Zoom2 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 A...

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: ...or 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 Film M...

Page 16: ...e 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 Posit...

Page 17: ...se Reduction Off Low Medium 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 Colo...

Page 18: ...urce 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 Position 0 32 f 3 H...

Page 19: ...CONFIDENTIAL DO NOT COPY Page 3 10 File No SG 0298 h 6 V Freq h 7 Progressive i System Reset i 1 Setup Wizard i 2 Reset All Setting...

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: ...t 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 D...

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: ...es N0 N0 N0 N0 N0 N0 N0 N0 Yes Yes Yes Yes Yes TROUBLE OF DC DC CONVERTER Start J1 PIN10 11 12 J1 PIN 2 3 4 The voltage is 5VSB 1 Check power board 2 Check power cable connection J1 U1 pin 5 6 7 8 U2...

Page 25: ...tart Analog DDC 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 sign...

Page 26: ...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 OK EN...

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