Vizio SV420XVT1A_LPL Service Manual Download Page 26 | Manualshive

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Vizio SV420XVT1A_LPL Service Manual Download Page 26

CONFIDENTIAL – DO NOT COPY

Page 9-8

File No. SG-0281

N0

Yes

Yes

N0

TROUBLE

OF

EDID

READING

Start

Is Analog DDC OK?

Support DDC1/2B
1. Analog cable ok?
2 .Check signal (U31 to P5)
3. Check U31 Voltage
4. Is protocol compliant?

Is HDMI DDC OK?

Support DDC1/2B
1. Analog cable ok?
2. Check signal (U 33 to P8)
3. Check signal (U34 to P9)
4. Is protocol compliant?

END

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Summary of Contents for SV420XVT1A_LPL

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 SV420XVT1A_LPL...

Page 2: ...lay 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...

Page 3: ...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 recep...

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: ...normally Black Surface Treatment Hard Coating 3H Anti glare treatment of the front polarizer Haze 13 2 TFT LCD OPTICAL CHARACTERISTICS Contrast ratio 1300 Typ _ LPL LC420WUD SAC1 Surface Luminance Whi...

Page 6: ...itude 0 14 000 ft Non Operating 4000ft 7 DIMENSIONS Physical dimension Dimensions with stand 1000 9mm W x 690 4mm H x 241 4mm D Dimension without stand 1000 9mm W x 650 0mm H x 102 0mm D inches 8 WEIG...

Page 7: ...nding and shielding methods may be important to minimize the interference 2 HANDLING PRECAUTIONS FOR PROTECTION 1 The protection film is attached to the bezel with a small masking tape When the protec...

Page 8: ...om Standard Vivid Movie Game Football Golf Basketball Baseball 1 1 Backlight 0 100 1 2 Brightness 0 100 1 3 Contrast 0 100 1 4 Color 0 100 1 5 Tint 32 32 1 6 Sharpness 0 7 1 7 Advanced Video 1 7 1 Noi...

Page 9: ...00 9300 Custom 1 5 2 Red 0 255 1 5 3 Green 0 255 1 5 4 Blue 0 255 1 6 H Size 0 255 1 7 H Position 0 100 1 8 V Position 0 100 1 9 Fine Tune 0 31 AUDIO 2 0 Audio Mode Flat Rock Pop Classic Jazz 2 1 Equa...

Page 10: ...im 2 9 2 1 Left 2 9 2 2 Right 2 9 2 3 Rear Left 2 9 2 4 Rear Right 2 9 2 5 Center 2 9 2 6 Subwoofer 2 9 3 Speaker Distance Setup 2 9 3 1 TV 1 1 2 3 15 15 ft 2 9 3 2 Rear Left 1 1 2 3 15 15 ft 2 9 3 3...

Page 11: ...IP POP 4 2 2 PIP Source TV 4 2 3 PIP Size Small Medium Large 4 2 4 PIP Position TL BR 4 2 5 Audio Source Main or PIP 4 3 Sleep Timer Off 30Minutes 60Minutes 90Minutes 120Minutes 4 4 Wide Wide Normal P...

Page 12: ...V Size 0 100 4 7 5 Auto Phase 4 8 Parental 4 8 1 Rating Enable On Off 4 8 2 Channel Block 4 8 3 US TV Rating 4 8 3 1 TV Y All 4 8 3 2 TV Y7 All FV 4 8 3 3 TV G All 4 8 3 4 TV PG All D L S V 4 8 3 5 TV...

Page 13: ...T COPY Page 3 6 File No SG 0281 SETUP 4 8 6 2 8 ans 4 8 6 3 13 ans 4 8 6 4 16 ans 4 8 6 5 18 ans 4 8 7 DTV Rating 4 8 7 Block TV Unrated Yes No 4 8 9 Access Code Edit 4 8 9 1 New 4 8 9 2 Confirm 4 10...

Page 14: ...sh Green Blue 1 7 3 Advanced Adaptive Luma Off Low Medium Strong Extend 1 7 4 Enhanced Contrast Ratio Off On 1 7 5 Color Temperature 1 7 5 1 Color Temperature Cool Normal Warm Custom 1 7 5 2 Red 0 255...

Page 15: ...Hz 2 2 Balance 50 50 2 3 Digital Audio Out Off Dolby Digital PCM 2 4 Speakers On Off 2 5 Analog Audio Out Fixed Variable 2 6 Lip Sync 0 5 2 7 DRC Off 1 4 1 2 3 4 Full 2 8 Wireless Speaker On Off 2 9 S...

Page 16: ...1 Tuner Mode Cable Antenna 3 2 Auto Search 3 3 Partial Channel Search 3 3 1 Scan Mode Analog Digital Analog Digital 3 3 2 From Channel 1 135 3 3 3 To Channel 1 135 3 4 Skip Channel 3 5 MTS ATV Mono St...

Page 17: ...ue Red Cyan Yellow Megenta 4 6 3 4 Font Opacity Solid Translucent Transparent 4 6 3 5 Background Color Black White Green Blue Red Cyan Yellow Megenta 4 6 3 6 Background Opacity Solid Translucent Trans...

Page 18: ...4 3 G 4 8 4 4 PG 4 8 4 5 14 4 8 4 6 18 4 8 5 Canadian French Rating 4 8 5 1 G 4 8 5 2 8 ans 4 8 5 3 13 ans 4 8 5 4 16 ans 4 8 5 5 18 ans 4 8 6 DTV Rating 4 8 7 Block TV Unrated Yes No 4 8 8 Access Cod...

Page 19: ...VSB F1 2 Is J1 connector of MB good 3 Is DC DC OK 4 Is U22 pin2 3V3SB 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...

Page 20: ...2 Check DVD player U13 input correct 1 Check P14 signal 2 Check signal between P14 and U13 IF AV1 mode 3 Check Tuner U13 IF TV mode 4 Check P15 IF AV2 mode 5 Check U13 POWER 3 3V LVDS output 1 Check J...

Page 21: ...d 1 Check video 2 Check host s setting P14 input correct 1 Check signal from P14 2 Check system power 12V 5V 5VSB U13 input correct 1 Check signal between U13 P3 or P14 2 Check Y1 Clock 60MHZ Is LVDS...

Page 22: ...video 2 Check host s setting P15 P16 input correct 1 Check P15 P16 connect MB 2 Check P503 P506 connect SIDE JACK BD 3 Check system power 12V 5V 5VSB U13 input correct 1 Check signal between U13 P15...

Page 23: ...HDMI1 2 IS NOT DISPLAY CORRECTLY Input signal Start 1 Check video 2 Check host s setting 1 Check P8 P9 connect 2 Check the pin18 19 of P8 P9 3 Check the pin 6 of U33 U34 U13 no data out 1 Is J12 conn...

Page 24: ...CORRECTLY Input signal Start 1 Check video 2 Check host s setting 1 Check P15 P16 connect MB 2 Check P503 P506 connect SIDE JACK BD 3 Check the pin10 11 of P16 MB 4 Check the pin 5 6 of U503 U504 SID...

Page 25: ...3 3V 3V3SB 3 Check power board 4 Check F2 U14 pin 5 6 7 8 The voltage is about 5V while power switch on 1 Check F1 U14 2 Check OPWRSB R19 3 Check U14 pin1 2 or pin 3 4 should have 1V more U15 U17 U22...

Page 26: ...OF EDID READING Start Is Analog DDC OK Support DDC1 2B 1 Analog cable ok 2 Check signal U31 to P5 3 Check U31 Voltage 4 Is protocol compliant Is HDMI DDC OK Support DDC1 2B 1 Analog cable ok 2 Check...

Page 27: ...of J14 J19 is output 3 3V Audio BD 1 J2 of cable is good 2 Check F1 is good 3 J4 J6 of speaker connect are good 4 J3 of cable is good EMI BD 1 Check J2 J4 J1 J3 connect and cables are good TX BD TX ca...

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