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VIZIO VU42L/VS42L FHDTV10A 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

Содержание U42L FHDTV10A

Страница 1: ...Service Manual V Inc 320A Kalmus Drive Costa Mesa CA 92626 TEL 714 668 0588 FAX 714 668 9099 Top Confidential Model VIZIO VU42L FHDTV10A VS42L FHDTV10A_MT5373 ...

Страница 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 ...

Страница 3: ...nce 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 rece...

Страница 4: ...play 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 functions for personal favor 9 Picture In Picture PIP funtion to show TV or VCR images 10 Power saving to reduce consumption power too less than 3W 11 On Screen Display user can define display mode i ...

Страница 5: ...ally Black Surface Treatment Hard Coating 3H Anti glare treatment of the front polarizer 2 TFT LCD OPTICAL CHARACTERISTICS Contrast ratio 1 CR 900 Typ 2 CR WITH AI 1500 Typ Surface Luminance White 500 cd m2 Typ Luminance Variation δ 1 3 Max Response Time 8 mx Max 10mx Viewing Angle CR 10 Left 89 typ Right 89 typ Top 89 typ Bottom 89 typ 3 Input Connectors RJ11 D SUB15PIN MINI 3rows Headphone HDMIX...

Страница 6: ...be lower 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 temperature it becomes lower And in lower temperature response time required time that brightness is stable after turned on becomes longer 4 Be careful for condensation at sudden temperature change Co...

Страница 7: ...ully 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 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 the bezel surface or its vestige is recognized plea...

Страница 8: ...ng 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 TV Source ...

Страница 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 extender Off On 3 White Peak Limiter On Off 4 CTI Low Medium Strong Off 5 Flesh Tone Off On 6 Adaptive Luma Off On 7 DCR Off On B Audio Bold Default ...

Страница 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 Eastern Indiana Central Mountain Arizona Pacific Alaska Hawaii f DAYLIGHT SAVING ON OFF ...

Страница 11: ...olid 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 Black 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 Cente...

Страница 12: ...CONFIDENTIAL DO NOT COPY Page 3 5 File No SG 0230 E 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 ...

Страница 13: ...SG 0230 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 h V Position 0 100 49 i Fine Tune 0 31 17 ...

Страница 14: ...CONFIDENTIAL DO NOT COPY Page 3 7 File No SG 0230 B Audio Bold Default a Volume 0 100 25 b Bass 0 100 50 c Treble 0 100 50 d Balance 50 50 0 e Surround ON OFF f Speakers ON OFF ...

Страница 15: ...olid 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 Black 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 Cente...

Страница 16: ...0 100 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 2 Black level extender Off On 3 White Peak Limiter On Off 4 CTI Low Medium Strong Off 5 Flesh Tone Off On 6 Adaptive Luma Off On 7 DCR Off On ...

Страница 17: ...lt a Language English Français Espaňol 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 3 Font Color White Green Blue Red Cyan Yellow Magenta Black 4 Font Opacity Solid Translucent Transparent 5 Background Color White Green Blue Red Cyan Yellow Magenta Black ...

Страница 18: ...ent 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 Middle Right g H V Position 1 H Position 0 64 32 2 V Position 0 32 16 3 V size 0 100 20 h Rest All Setting OK Cancel D Parental Bold Default Password Default 0000 a Cannel Block b TV Rating c Mov...

Страница 19: ...NO Yes e Access Code Edit HDMI MODE A Picture Bold Default a Picture Mode Standard Movie Game Custom b Backlight 0 100 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 ...

Страница 20: ...ium Strong Off 2 Black level extender Off On 3 White Peak Limiter On Off 4 CTI Low Medium Strong Off 5 Flesh Tone Off On 6 Adaptive Luma Off On 7 DCR Off On B Audio Bold Default a Volume 0 100 25 b Bass 0 100 50 c Treble 0 100 50 d Balance 50 50 0 e Surround ON OFF f Speakers ON OFF ...

Страница 21: ...Solid 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 Black 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 Cent...

Страница 22: ...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 High Definition Multimedia Interface HDMI multimedia signals Note The list of PIP provides the choices of different sources on sub screen INFO INFO button could show an information bar which displays the information about th...

Страница 23: ...CONFIDENTIAL DO NOT COPY Page 3 16 File No SG 0230 ...

Страница 24: ...od 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 on 1 Check J1 PIN 13 5V 2 Is inverter ok 3 Is Power Board ok U11has no data out It means data to LVDS 1 Is J7 connecting OK 2 Check J1 5V F2 12V F1 3 Is panel ok 4 Check P3 D sub Input correct 5 Check...

Страница 25: ...ignal good 1 Check video 2 Check DVD player U14 input correct 1 Check P11 J4 signal 2 Check signal between P2 and U14 IF AV1 AV2 mode 3 Check Tuner U14 IF TV mode 4 Check J4 IF S Video 5 Check U14 POWER 3 3V LVDS output correct 1 Chcak J5 Connect is good 2 Is panel working ok END 1 Check LVDS LINE 2 Check U4 clock 27MHz X1 3 Check U4 power ...

Страница 26: ...s 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 27MHZ Is LVDS output correct 1 Check U14 2 Check U14 power 3 3V 1 28v 1 3v 1 5V 1 Is J7 connected good 2 Is panel working ok END ...

Страница 27: ...CTLY Input signal good Start 1 Check video 2 Check host s setting U14 input correct 1 Check p6 p7 connect 2 Check the pin18 19 of P6 P7 3 Check the pin 6 of U23 U25 U22 no data out 1 Check U14 power 2 Check between signal U14 and U22 3 Check U14 clock 27MHZ 1 Is J7 connected good 2 Is panel working ok END ...

Страница 28: ... pin1 5V pin2 3 3V U32 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 about 3 3V 1 Check F2 U1 2 Check U2 U4 U33 CE15 pin 1 The voltage is about 1 6V 1 Check F2 U1 2 Check U6 U10 pin2 The voltage is about 2 6V while power switch on 1 Check J1 Connect 2 Check U10 L7 pin2 The vo...

Страница 29: ...LE OF EDID READING Start Is 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 signal U25 to P7 4 Is protocol compliant END ...

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