Vizio GV46L FHDTV20A, Service Manual

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 GV46L FHDTV20A_Samsung...

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 li...

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 televisi...

Page 4: ...lay 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 Advanced video f...

Page 5: ...ating Mode normally Black Surface Treatment Haze 44 AG 4H 2 TFT LCD OPTICAL CHARACTERISTICS Contrast ratio 1 CR 2000 Typ Surface Luminance White 500 cd m2 Typ Luminance Variation 1 3 Max Response Time...

Page 6: ...than following voltage V 200mV Over and under shoot voltage 2 Response time depends on the temperature In lower temperature it becomes longer 3 Brightness depends on the temperature In lower temperatu...

Page 7: ...lly 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 remai...

Page 8: ...g 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...

Page 9: ...0 100 50 d Brightness 0 100 50 e Color saturation 0 100 50 f Tint hue 32 32 0 g Sharpness 0 7 4 h Color Temperature Cool Normal Warm Custom i Advanced Video 1 DNC Low Medium Strong Off 2 Black level e...

Page 10: ...c Treble 0 100 50 d Balance 50 50 0 e Surround ON OFF f Speakers ON OFF C TV Bold Default a Tuner Mode Cable Air b Auto Search c Skip Channel d Digital Audio Out PCM Dolby Digital OFF e Time Zone East...

Page 11: ...lid Translucent Transparent 5 Background Color White Green Blue Red Cyan Yellow Magenta Black 6 Background Opacity Solid Translucent Transparent 7 Window Color White Green Blue Red Cyan Yellow Magenta...

Page 12: ...IDENTIAL DO NOT COPY Page 3 5 File No SG 0248 E Parental Bold Default Password Default 0000 a Cannel Block b TV Rating c Move Rating d Check of New DTV Rating e Block Unrated TV NO Yes f Access Code E...

Page 13: ...G 0248 RGB Mode A Picture Adjust Bold Default a Auto Adjust b Backlight 0 100 90 c Contrast 0 100 50 d Brightness 0 100 50 e Color Temperature 6500 9300 Custom f H Size 0 255 127 g H Position 0 100 65...

Page 14: ...ais Espa ol b Sleep Timer OFF 30Min 60Min 90Min 120Min c Analog CC OFF CC1 4 TT1 4 d Digital CC OFF CC1 4 Service1 6 e Digital CC Style 1 Caption Style As Broadcaster Custom 2 Size Large Small Medium...

Page 15: ...f PIP 1 Style OFF PIP POP 2 Input TV AV1 AV2 COMPONENT1 COMPONENT2 RGB HDMI1 HDMI2 3 Size Small Medium Large 4 Position Bottom Right Bottom Center Bottom Left Middle Left Top Left Top Center Top Right...

Page 16: ...rightness 0 100 50 e Color saturation 0 100 50 f Tint hue 32 32 0 g Sharpness 0 7 4 h Color Temperature Cool Normal Warm Custom i Advanced Video 1 DNC Low Medium Strong Off 2 Black level extender Off...

Page 17: ...n Blue Red Cyan Yellow Magenta Black 4 Font Opacity Solid Translucent Transparent 5 Background Color White Green Blue Red Cyan Yellow Magenta Black 6 Background Opacity Solid Translucent Transparent 7...

Page 18: ...CONFIDENTIAL DO NOT COPY Page 3 11 File No SG 0248 D Parental Bold Default Password Default 0000 a Cannel Block b TV Rating c Move Rating d Block Unrated TV NO Yes e Access Code Edit...

Page 19: ...0 90 c Contrast 0 100 50 d Brightness 0 100 50 e Color saturation 0 100 50 f Tint hue 32 32 0 g Sharpness 0 7 4 h Color Temperature Cool Normal Warm Custom i Advanced Video 1 DNC Low Medium Strong Off...

Page 20: ...t a Language English Fran ais Espa ol b Sleep Timer OFF 30Min 60Min 90Min 120Min c Analog CC OFF CC1 4 TT1 4 d Digital CC OFF CC1 4 Service1 6 e Digital CC Style 1 Caption Style As Broadcaster Custom...

Page 21: ...8 Window Opacity Solid Translucent Transparent f PIP 1 Style OFF PIP POP 2 Input TV AV1 AV2 COMPONENT1 COMPONENT2 RGB HDMI1 HDMI2 3 Size Small Medium Large 4 Position Bottom Right Bottom Center Bottom...

Page 22: ...igital 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 HDMI4 High Definition Mul...

Page 23: ...d 3 Is DC DC OK 4 Is U8 pin2 3 3V 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 VGASOG rout if analog SOG C88 Is backlight o...

Page 24: ...ECTLY Start Input signal good 1 Check video 2 Check DVD player U14 input correct 1 Check signal between signal P11 J4 to U14 IF AV1 AV2 mode 2 Check Tuner U14 IF TV mode 3 Check J4 IF S Video 4 Check...

Page 25: ...rt Is input signal good 1 Check video 2 Check host s setting Is P1 input correct 1 Check signal from P1 2 Check system power 12V 5v Is U14 input correct 1 Check signal between U14 P1 2 Check X1 Clock...

Page 26: ...1 check P6 P7 connect 2 check the pin18 pin19of P6 P7 3 check the pin6 of U23 U25 U39 no date out 1 check P12 P13 connect 2 check the pin18 pin19 of P12 P13 3 check the Pin6 of U36 U37 U14 pin connec...

Page 27: ...ck U8 pin1 5V pin2 3 3V U1 pin 5 6 7 8 The voltage is about 5V while power switch on 1 Check F2 U1 2 Check OPWRSB R20 3 Check U1 pin1 2 or pin 3 4 should have 1V more U2 U8 U33 pin2 The voltage is abo...

Page 28: ...Analog DDC OK Support DDC1 2B 1 Analog cable ok 2 Check signal U21 to P3 3 Check U21 Voltage 4 Is protocol compliant Is HDMI DDC OK Support DDC1 2B 1 Analog cable ok 2 Check signal U23 to P6 3 Check...

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