Vizio LC470WUL-SBM3 Service Manual

Service Manual

V, Inc
320A Kalmus Drive Costa Mesa, CA 92626
TEL : [phone] FAX :[phone]

Top Confidential

Model : VIZIO SV472XVT

(LC470WUL-SBM3)(LED)

VIZIO SV472XVT 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

VINC Service Manual

VIZIO SV472XVT

VIZIO SV472XVT Service Manual

COPYRIGHT © 2000 V, INC. ALL RIGHTS RESERVED.

IBM and IBM products are registered trademarks of International Business Machines
Corporation.

Macintosh and Power Macintosh are registered trademarks of Apple Computer, Inc.
VINC and VINC products are registered trademarks of V, Inc.
VESA, EDID, DPMS and DDC are registered trademarks of Video Electronics Standards

Association (VESA).
Energy Star i s a regi stered trademark of the US Environmental Protection Agency (EPA).
No part of this document may be copied, reproduced or transmitted by any means for any

purpose without prior written permission from VINC.

FCC INFORMATION
This equipment has been tested and found to comply with the limits of a Cla ss B digit al d evice,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates,
uses and can radiate radio frequency energy, and if not installed and used in accordance with
the instructions, may cause harmful interference 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 rece ption, 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 receiving
antenna; increase the separation between equipment and receiver; or connect the into an
outlet on a circuit different from that to which the receiver is connected.

FCC WARNING
To assure continued FCC compliance, the user must use a g rounded power supply cord and
the provided shielded video interface cable with bonded ferrite cores. Also, any unauthorized
changes or modifications to Amtrak products will void the user’s authority to operate this
device. Thus VINC Will not be held responsible for the product and its safety.

CE CERTIFICATION
This device complies with the requirements of the EEC directive 89/336/EEC with regard to
“Electromagnetic compatibility.”

SAFETY CAUTION
Use a power cable that is properly grounded. Always use the AC cords as follows – USA (UL);
Canada (CSA); Germany (VDE); Switzerland (SEV); Britain (BASEC/BS); Japan (Electric
Appliance Control Act); or an AC cord that meets the local safety standards.

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Chapter 1 Features

1. Built in TV channel selector for TV viewing

2. Simultaneous display of PC and TV images

3. Connectable to PC’s analog RGB port

4. Built in S-video, HDTV, composite video, HDMI

5. Built in auto adjust function for automatic adjacent 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. Advanced video functions for personal favor

9. Picture In Picture (PIP) function to show TV or VCR images

10. Power saving to reduce power consumption less than 1W

11. On Screen Display user can define display mode
(I.e. color, brightness, contrast, sharpness, backlight), sound setting, PIP,
TV channel program, aspect and gamma or reset all setting.

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Chapter 2 Specification

1. TFT-LCD CHARACTERISTICS

Model Name: LC470WUL-SBM3

Display Size: 46.96 inches (1192.87mm) diagonal

Outline Dimension: 1096.0mm (W) x 640.0 mm (H) x 64 mm (D)

Pixel Pitch: 0.5415mm x 0.5415mm x RGB

Pixel Format: 1920 horiz. By 1080 vert. Pixels RGB strip arrangement

Display Mode : Transmissive mode, Normally black

Surface Treatment: Hard Coating (3H), Anti-glare treatment of the front

polarizer (Haze 10%)

2. TFT-LCD OPTICAL CHARACTERISTICS

Contrast ratio: 1400(Typ) _ LC470WUL-SBM3

Surface Luminance, White: 500 cd/m

2 (Typ)

Luminance Variation, δ=1.3 (Max)

Response Time =8ms (Max=12ms)

Viewing Angle (CR>10)

Left: 89° (min).

Right: 89° (min).

Top: 89° (min).

Bottom: 89° (min).

3. Input Connectors

1x Co-axial RF (ATSC/QAM/NTSC)

4x HDMI™** with HDCP (1 with Stereo Audio RCA)

1x Component YPbPr plus Stereo Audio

1x RGB PC plus Stereo Audio

1x S-Video plus Stereo Audio (shared with AV1)

1x Composite Video plus Stereo Audio (AV1)

USB X3 FW Update

Ethernet

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4. POWER SUPPLY

Input Voltage Level: 100~240Vac, 50/ 60 Hz
Power Consumption: 248W MAX Power OFF: to less than 1W MAX

5. Speaker

Built in Speakers: 2 x 15 W

6. ENVIRONMENT

Operating Temperature: 0c~40c (Ambient)

Operating Humidity:10%~90%RH(Non-condensing)

Operating Altitude: 0 -14,000 ft

Non-Operating : 0-4000 ft

7. DIMENSIONS (Physical dimension)

Dimensions with stand： 1113.9mm(W) x 753.6mm(H) x 254.9mm(D)

：

Dimension without stand 1113.9mm(W) x 714.9mm(H) x 103.3mm(D) inches

8. WEIGHT (Physical weight)

a. Net 22.9 +/- 1.0 kg (with base)

25.3 +/- 1.0kg (without base)

b. Gross 31.8 +/- 1.0 kg

Precaution

Please pay attention to the followings when you use this TFT LCD module

1. OPERATING PRECAUTIONS

(1) The spike noise causes the mis-operation of circuits. It should 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)

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(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.

Condensation makes damage to polarizer or electrical contacted parts.

And after fading condensation, smear or spot will occur.

(5) When fixed patterns are displayed for a long time, remnant image is likely

to occur.

(6) Module has high frequency circuits. System manufacturers shall do

sufficient suppression to the electromagnetic interference. Grounding and

shielding methods may be important to minimize the interference.

(7) Please do not give any mechanical and/or acoustical impact to LCM.

Otherwise, LCM can’t be operated its full characteristics perfectly.

(8) A screw which is fastened up the steels should be a machine screw.

(9) Please do not set LCD on its edge

(10) Partial darkness may happen during 3~5minutes when LCM is operated

initially in condition that luminance is under 40% at low temperature
(under 5℃).This phenomenon which disappears naturally after 3~5

minutes is not a problem about reliability but LCD characteristic.

2. Handing Precaution 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 should be peeled off slowly and

carefully 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.

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(3) You can remove the glue easily. When the glue remains on the bezel

surface or its vestige is recognized, please wipe them off with absorbent

cotton waste or other soft material like chamois soaked with

normal-hexane.

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Chapter 3 On Screen Display

1.1. Operation:
Main unit button (1) POWER

(2) MENU
(3) CH +
(4) CH ­ (5) VOL +
(6) VOL ­ (7) INPUT

1.2. OSD Adjustment

1.2.1. Input Sou rce Selection

TV AV Comp HDMI [1 -3] HDMI-Side RGB

1.2.2. Operator menu

Main MENU

Input
Wide
CC
Sleep Timer
TV Settings
PIP
Network
Bluetooth
Help

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Input Source Selection

TV
AV
Comp
HDMI-1
HDMI-2
HDMI-3 / DVI
HDMI Side
RGB

Screen Mode

Source

AV/COMP/HDMI/ATV DTV RGB

Resolution

480i/p 720p,1080i/p 480i/p 720p,1080i/p 4:3 16:9

Zoom1

Yes Yes Yes Yes N/A N/A

Zoom2

Yes Yes Yes Yes N/A N/A

Full

N/A Yes N/A N/A Yes Yes

Stretch

N/A Yes N/A Yes N/A Yes

Normal

Yes N/A Yes N/A Yes N/A

Panoramic

Yes N/A Yes N/A N/A N/A

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Closed Caption

Analog Closed Caption <OFF>
(Off, CC1, CC2, CC3, CC4)

Digital Closed Caption <OFF>
(Off, CC1, CC2, CC3, CC4, CS1, CS2, CS3, CS4,
CS5 CS6)

Digital CC Style:
1 Caption Style As Broadcast
2 Caption Style Custom

2.1 Text Size (As Broadcast, Small, Standard, Large)

2.2 Color (

As Broadcast, Black, White, Green, Blue,

Red, Cyan, Yellow, Magenta)

2.3 Opacity (

As Broadcast, Solid, Translucent,

Transparent, Flashing)

2.4 BG Color (

As Broadcast, Black, White, Green,

Blue, Red, Cyan, Yellow, Magenta)

2.5 BG Opacity (

As Broadcast, Solid, Translucent,

Transparent, Flashing)

2.6 Window Color (

As Broadcast, Black, White, Green,

Blue, Red, Cyan, Yellow, Magenta)

2.7 Window Opacity (

As Broadcast, Solid, Translucent,

Transparent, Flashing)

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Sleep Timer

Timer <Off>
(Off, 30 minutes, 60 minutes, 90 minutes, 120
minutes, 180 minutes)

PIP Controls

PIP Mode <Off> (Off, PIP POP)
Source <HDMI1-3> or <TV, AV, Comp ,VGA>
Input Source Selection
1 (HDMI-1, HDMI-2, HDMI-3/DVI, HDMI-Side)
2 (TV, AV, Comp, RGB)
Position <Top Right>
PIP Position
(Top Left, Top Right, Bottom Left, Bottom Right)
Size <Medium> (Small, Medium, Large)
Audio <Main> (Main, PIP)

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TV Settings

Input Source:
(TV, AV, Comp, HDMI1-3, HDMI Side, RGB)
Picture
Audio
Tuner
Name Input
Device Setup
Parental Controls
Menu Language
Time & Local Settings

Network

Network connection
Wired Connection Connected
Manual Setup
DHCP ON OFF
IP address: 192.168.X.X
Subnet Mask: 255.255.255.0
Default Gateway:192.168.X.X
Pref. DNS server:192.168.X.X
Alt. DNS server: X.X.X.X
RJ45 MAC add. XX:XX:XX:XX:XX:XX
Wireless MAC Add: XX:XX:XX:XX:XX:XX
Test Connection
Wired Connection Disconnected
Wireless Access Points
More Access Points
Manual Setup

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DHCP ON OFF
IP address: 192.168.X.X
Subnet Mask: 255.255.255.0
Default Gateway:192.168.X.X
Pref. DNS server:192.168.X.X
Alt. DNS server: X.X.X.X
RJ45 MAC add. XX:XX:XX:XX:XX:XX
Wireless MAC Add: XX:XX:XX:XX:XX:XX
Test Connection

Enter Access Point Name

BlueTooth

UnPair devices
Pair devices
Start Searching for devices
Stop searching

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TV AV Comp HDMI mode Picture mode

1 Picture mode

(Standard Movie Game Vivid Football Golf Basketball
Baseball Custom)
Backlight 0-100
Brightness 0-100
Contrast 0-100
Color 0-100
Tint -32-+32
Sharpness 0-16

2 More

2.1 Size & Position
Horiz.Position: 0-64
Vertical.Position: 0-32
Horizontal Size: 0-100
Vertical.Size:0-100

2.2 Color Temperature
Custom, Cool, Computer, Normal

Red Gain 0-255

Green Gain 0-255
Blue Gain 0-255
Red offset 0-255
Green offset 0-255
Blue offset 0-255
Reset Color Temperature

2.3 Advanced Picture Settings
Smooth Motion Effect (off, Low, Middle, High)
Real Cinema Mode (off, Smooth, Precision)
Noise Reduction (off, Low, Medium, High)

Color Enhancement (Off, Normal, Rich Color,
Green/Flesh, Green/Blue)

Advanced Adaptive Luma (Off, Low, Medium,

Strong, Extend)
Film Mode (off, Auto)
Smart Dimming(On, Off)

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2.4 Reset Picture mode

RGB Mode

Picture Settings

1 Brightness 0-100
2 Contrast 0-100
3 Size & Position

Auto Adjust
Horiz. Position: 0-100
Vertical. Position: 0-100
Horizontal Size: 0-100

Fine Tune
4 Color Temperature
Custom 9300k 6500k
Red Gain: 0-255
Green Gain: 0-255
Blue Gain: 0-255
Red offset: 0-255
Green offset: 0-255
Blue offset: 0-255
Reset Color Temperature
5 Reset Picture mode

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Audio

Audio Setting

1 Audio Mode

(Jazz, Classic, Pop, Rock, Flat)
2 Balance (-50 ~ +50)
3 Lip Sync (0 ~ 3)
4 TV Speakers (On, Off)
5 Advanced Audio

SRS TruSurround HD (Off, On)
SRS TruVolume (Off, On)
Digital Audio Out(Dolby Digital, PCM, Off)

Analog Audio Out(Fixed, Variable)
Audio Control (TV External)
6 Equalizer

EQ Mode Basic

Bass 0 ~ 24

Treble 0 ~ 24

EQ Mode Advanced

100Hz -12 ~ +12

300Hz -12 ~ +12

1kHz -12 ~ +12

3kHz -12 ~ +12

10KHz -12 ~ +12
7 Reset Audio mode

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Tuner

Tuner Settings

1 Tuner Mode (Antenna, Cable)
2 Auto Channel Scan
3 Partial Channel Search

3.1 Scan mode (Analog, Digital)

3.2 From Channel

3.3 To Channel

3.4 Start

4 Add Analog Channel ( Parental Controls )

4.1 Enter Channel

4.2 Add Channel
5 Skip Channel
6 Analog MTS (Mono, Stereo, SAP)
7 Digital MTS (English, French, Spanish)

Name Input

Inout Source
TV, AV, Comp, HDMI1-3 HDMI-Side RGB
Input Labels
Antenna, BluRay, Cable, DTV, DVD, Game, Hi Def,

PC, Sat, STB
Show Keyboard
Done

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Device Setup

1 Pick Device Type

(VCR,DVD,Sat, PVR,PCVR,HID Devices)
2 Pick Device Brand
3 Confirm Remote Connection

It Worked
Try the Next Code

Parental controls

Enables Rating (Off, On)
Channel lock
US TV Ratings

TV-Y (All)

TV-Y7 (All, FV)

TV-G (All)

TV-PG (All, D, L, S, V)

TV-14 (All, D, L, S, V)

TV-MA (All, L, S, V)
US Movie Ratings

G

PG

PG-13

R

NC-17

X
DTV Ratings

U.S. (50 States + Possessions)

EntireAudience None

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TV-G

TV-PG

TV-14

TV-MA

Dialogue D
Language L
Sex S
Violence V
Children TV
Children Y

TV

Y7
Fantasy
Violence FV
MPAA N/A

G
PG
PG
13
R
NC
17
X
NR

Canadian English Ratings

C
C8+
G
PG
14+
18+

Canadian French Ratings

G
8 ans+
13 ans+
16 ans+
18 ans+

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Block Unrated Shows (off, on)
Change PIN

New PIN
Confirm PIN

RESET LOCKS

Menu language

English
French
Spanish

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Time & Local Settings

1Time Zone
Alaska(US)

Hawaii(US)
Pacific(US,CAN)
Mountain(US,CAN)
Central(US,CAN)
Eastern(US,CAN)
Atlantic(CAN)
Newfoundland(CAN)
Indiana(US)

Arizona (US)
2 Daylight Saving (On, Off)
3 Postal Code

Help

System info
Reset TV Settings
Clear Memory(Factory Default)

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1.3. Widget Dock (TBD)
Yahoo Widget

Profile
News
Finance
Weather tbd
Gallery tbd

Widget 3th party

Flicker tbd
Amazon Video tbd
FunSpot tbd
NetFlix tbd
Rhapsody tbd

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N0

Yes

N0

N0

Yes

Yes

N0

Chapter 9 Trouble shooting

MONITOR DISPLAY NOTHING (PC MODE)

Start

LED is lighted

(

Orange)

1. Is Power board output +5VSB (F10)?

2. Is J1 connector of MB good?

3. IS F12 have 5V?

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) (C316)

Panel has no data

out?

It means data to LVDS

1. Is J15,J16 connecting OK?

2. Check J1 +5VSB (F10)&+12V (F4)

3. Is panel ok?

4. Check P5 D-sub Input correct

5. Check analog input route

END

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Yes

N0

N0

Yes

Yes

N0

(TV, AV VIDEO1, S-VIDEO) IS NOT DISPLAY CORRECTLY

Start

Input signal good?

1. Check video

2. Check DVD player

U13 input correct?

1. Check P7 signal

2. Check signal between P7 and U13 (AV1 mode)

3. Check Tuner & U13 (IF TV mode)

4. Check U13 POWER

5. Check Y2 clock(54MHz)

LVDS output correct?

1. Check J15,j16 Connect is good?

2. Is panel working ok?

END

1. Check LVDS LINE (J15/J16)

2. Check U67 clock (X421)

3. Check U67 Power

4. Check Y4 Clock (40MHz)

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N0

N0

N0

N0

Yes

Yes

Yes

Yes

(COMPONENT) IS NOT DISPLAY CORRECTLY

Start

Input signal good?

1. Check video
’

P2 input correct?

1. Check signal from P2

2. Check system power

U13 input correct?

1. Check U13 Power

2. Check Y2 Clock (54MHZ)

3. Check signal between U13 & P2

Is LVDS output

correct ?

1. Check LVDS LINE (J15/J16)

2. Check U67 clock (X421)

3. Check U67 Power

4. Check Y4 Clock (40MHz)

1 .Is J15,J16 connected good?

2. Is panel working ok?

END

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Yes

Yes

N0

N0

Yes

(HDMI1,2,3,side HDMI )IS NOT DISPLAY CORRECTLY

Input signal

Start

1. Check video

2. Check host’s setting

1. Check P12&P13&P17&P14 connect

2. Check the pin18 & 19 of P12& P13&P17&P14

U13 no data out ?

1. Is J15,J16 connected is good?

2. Is panel working ok?

END

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Yes

Yes

Yes

Yes

Yes

Yes

No

No

No

No

No

No

No

TROUBLE

OF DC-DC CONVERTER

Start

J1 PIN10,11,12,13,14

The voltage is about + 5V(+5VSB)

1. Check power board

2. Check power cable, F10 & connection J1

3. Check Standby power
(+5VSB/+3V3SB/2V5VSB/1V8VSB/1V2VSB)

J1 PIN 1,2

The voltage is about + 12V while power switch on

1. Is J1 connection good

2. Check J1 Pin17 is up to about 3.3V ?

3. Check power board

4. Check F4

U1 pin 5 6 7 8

The voltage is about +5V while power switch on

1. Check F1 & U1

2. Check POWER_ON_5V (R7)

3. Check U1 pin5,6,7,8

U5,U7,U88,U89

The voltage is about +3.3V

1. Check F10 & U1

2. Check U5,U7,U88,U89 Power

U50

The voltage is about +1.2V while power switch on

1. CheckU50 pin1,2,3,4

2. Check U50 pin 5,6,7,8

U73,U94,U71

The voltage is about +2.5V while power switch on

1.Check J1 Connect

2.Check U73,U94,U71 Power

J6 pin1,2

The voltage is about 18V while power on

1. Check J6 pin1,2 (AUD_PWR)

End

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N0

Yes

TROUBLE

OF EDID READING

Start

Is Analog DDC OK?

Support DDC1/2B

1. Analog cable ok?
2 .Check signal (U33 to P5)

3. Check U33 Voltage

4. Is protocol compliant?

End

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VUR10 IS NOT ACTIVE : BLUETOOTH MODE

Start

Is Battery

OK?

Paired?

End

Yes

Yes

1. Is the polarity of Battery right?

2. Is the power of Alkaline AAx2 battery above 2.4?

1. Press and hold <P>+<Q>+<Space> together once to go back to
remote factory default settingIR mode.

2. Press MENU and select Bluetooth to stat Bluetooth active.

3. Press and hold <Green>+<Record> together for 3 seconds or
greater than.

4. Start to search and active Bluetooth pairing.

N0

N0

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WI-FI WIRELESS CAN’T CONNECT TO INTERBET

Connect?

Connect?

1. Check Wireless AP power

2. Check ADSL Cable

1. Check the Security Setting SSID or password

2. Make sure the same security key

Yes

Yes

N0

N0

End

Start

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E

THERNET CAN’T CONNECT TO INTERNET

Start

Connect?

Connect?

End

1. Check ADSL Cable connected or not

2. Make sure the Router is powered on. The Power LED should be green

1. Check the IP address are provide by ISP

2. Modify the settings on the Router

Yes

Yes

N0

N0