Vizio VP42 HDTV20A Service Manual Download | Manualshive

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CONFIDENTIAL

–

DO NOT COPY

Page

3-

14

File No. SG-0221

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)

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Summary of Contents for VP42 HDTV20A

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 VP42 HDTV20A...

Page 2: ...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...

Page 3: ...dio 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 recepti...

Page 4: ...st function for automatic adjument of screen display 6 Smoothing function enables display of smooth texts and graphics even if image withresolution lower than 1024x768 is magnified 7 Picture In Pictur...

Page 5: ...Typ panel spec Luminance White 480 cd m2 Typ 1 100 White Window Display Operating Mode normally Black Surface Treatment Hard Coating 3H Anti glare treatment of the front polarizer 2 OPTICAL CHARACTER...

Page 6: ...LCD module 9 1 MOUNTING PRECAUTIONS 1 You must mount a module using holes arranged in four corners or four sides 2 You should consider the mounting structure so that uneven force ex Twisted stress is...

Page 7: ...rials like chamois soaks with petroleum benzene Normal hexane is recommended for cleaning the adhesives used to attach front rear polarizers Do not use acetone toluene and alcohol because they cause c...

Page 8: ...ONS FOR PROTECTION 1 The protection film is attached to the bezel with a small masking tape When the protection film is peeled off static electricity is generated between the film and polarizer This s...

Page 9: ...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 10: ...me Custom b Brightness 0 100 55 c Contrast 0 100 50 d Color saturation 0 100 50 e Tint hue 32 32 0 f Sharpness 0 7 4 g Color Temperature Cool Normal Warm Custom h Advanced Video B Audio Bold Default a...

Page 11: ...T COPY Page 3 3 File No SG 0221 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 Pac...

Page 12: ...n 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...

Page 13: ...CONFIDENTIAL DO NOT COPY Page 3 5 File No SG 0221 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...

Page 14: ...6 File No SG 0221 RGB Mode A Picture Adjust Bold Default a Auto Adjust b Brightness 0 100 55 c Contrast 0 100 50 d Color Temperature 6500 9300 Custom e H Size 0 255 127 f H Position 0 100 65 g V Posit...

Page 15: ...CONFIDENTIAL DO NOT COPY Page 3 7 File No SG 0221 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...

Page 16: ...n 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...

Page 17: ...AV COMPONENT MODE A Picture Bold Default a Picture Mode Standard Movie Game Custom b Brightness 0 100 55 c Contrast 0 100 50 d Color saturation 0 100 50 e Tint hue 32 32 0 f Sharpness 0 7 4 g Color Te...

Page 18: ...CONFIDENTIAL DO NOT COPY Page 3 10 File No SG 0221 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...

Page 19: ...on 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 Re...

Page 20: ...CONFIDENTIAL DO NOT COPY Page 3 12 File No SG 0221 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 21: ...221 HDMI MODE A Picture Bold Default a Picture Mode Standard Movie Game Custom b Brightness 0 100 55 c Contrast 0 100 50 d Color saturation 0 100 50 e Tint hue 32 32 0 f Sharpness 0 7 4 g Color Temper...

Page 22: ...CONFIDENTIAL DO NOT COPY Page 3 14 File No SG 0221 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...

Page 23: ...SG 0221 C Setup Bold Default 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 f Image Cl...

Page 24: ...V 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 Multimedi...

Page 25: ...2 connector of MB good 4 Is J1 J2 J9 connector of Daughter BD good 5 IR Display good check note1 6 Is DC DC OK 7 Is U8 pin2 3 3V working ok LED is lighting It is in power saving 1 Check video cable 2...

Page 26: ...ignal good 1 Check video 2 Check DVD player U14 input correct 1 Check P11 J4 signal 2 Check signal between P2 and U2 IF AV1 AV2 mode 3 Check Tuner U4 IF TV mode 4 Check J4 IF S Video 5 Check U2 POWER...

Page 27: ...art Input signal good 1 Check video 2 Check host s setting P1 input correct 1 Check signal from P1 P2 2 Check system power 12V 5v U14 input correct 1 Check signal between U14 P1 2 Check X1 Clock 27MHZ...

Page 28: ...N0 N0 HDMI IS NOT DISPLAY CORRECTLY Input signal good Start 1 Check video 2 Check host s setting 1 Check p6 p7 connect 2 Check the pin18 19 of P6 P7 3 Check the pin 6 of U23 U25 4 Check U22 U24 U14 no...

Page 29: ...in1 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 U33 pin2 The voltage is about 3 3V 1...

Page 30: ...E 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...

Page 31: ...orking i check remote control is good ii when enter any key from remote control check waveform J2 Pin8 Pin9 2 if Hot key don t working when enter any key from Hot Key check waveform J2 Pin8 Pin9 If it...

Page 32: ...File No SG 0221 Check list Yes NOTE 2 PSU OF PANEL NOT WORKING CORRECTLY Start Check PSU working correctly If LED not light END check output voltage from PSU Va 60V Vs 190V S 5V 5V 12V 12V 3 3V 3 3V...

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