Vizio VX32L Manuel utilisateur

Service Manual

V, Inc

320A Kalmus Drive Costa Mesa, CA 92626

TEL : +714-668-0588 FAX :+714-668-9099

Top Confidential

Model #: VIZIO VX32L/VW32L

HDTV20A

(AUO/LPL/Samsung Panel)

VIZIO VX32L/VW32L HDTV10A 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

VINC Service Manual

VIZIO VX32L/VW32L HDTV20A

VIZIO VX32L/VW32L HDTV10A Service Manual

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 is a registered 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 Class B digital device,

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 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 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 grounded 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.

CONFIDENTIAL

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File No. SG-0241

Chapter 1 Features

1. Built in TV channel selector for TV viewing.

2. Simulatnueous display of PC and TV images.

3. Connectable to PC’s analog RGB port.

4. Built in S-video, HDTV, composite video, HDMI and TV out.

5. Built in auto adjust function for automatic adjument of screen display.

6. Smoothing function enables display of smooth texts and graphics even if image

withresolution lower than 1366x768 is magnified.

7. Advanced video functions for personal favor.

8. Power saving to reduce consumption power too less than 3W.

9. On Screen Display: user can define display mode (i.e. color, brightness, contrast,

sharpness, backlight), sound setting, TV channel program, aspect and gamma or

reset all setting.

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File No. SG-0241

Chapter 2 Specification

1. TFT-LCD CHARACTERISTICS

LPL LC320WX3-SLC1

Item Specification

Display Pixels 1,366 (H) x 768 (V) pixels

Pixel Pitch 170.25 um(H) x 510.75 um(V) x RGB

Color Depth 8 bits 16.7 million colors

Active Display Area 697.685 mm(H)X392.256 mm(V)

Brightness (panel spec) 400cd/m2(typ)

Contrast ratio (panel spec) 900:1

Color coordinates (typical)

White x=0.279±0.03, y=0.292±0.03

Red x=0.628±0.03, y=0.343±0.03

Green x=0.290±0.03, y=0.612±0.03

Blue x=0.146±0.03, y=0.062±0.03

AUO T315XW02 VC

Item Specification

Display Pixels 1,366 (H) x 768 (V) pixels

Pixel Pitch 0.51075 mm

Color Depth 8 bits 16.7 million colors

Active Display Area 697.685 (H) x 392.256(V)

Brightness (panel spec) 500 cd/m2(typ)

Contrast ratio (panel spec) 1500:1

Color coordinates (typical)

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White x=0.28±0.03, y=0.29±0.03

Red x=0.64±0.03, y=0.33±0.03

Green x=0.29±0.03, y=0.60±0.03

Blue x=0.15±0.03, y=0.06±0.03

Samsung LTA320WT-L05

2. TFT-LCD OPTICAL CHARACTERISTICS

Contrast ratio: 1.CR : 900(Typ) 2. CR WITH AI : 2000(Typ)

Surface Luminance, White: 400 cd/m2 (Typ)

Luminance Variation, δ=1.3 (Max)

Response Time = 8 ms (Max=12mx)

Viewing Angle (CR>10)

Left: 89°typ.

Right: 89°typ.

Top: 89°typ.

Bottom: 89°typ.

Item Specification

Display Pixels 1,366 (H) x 768 (V) pixels

Pixel Pitch 0.51075(H)X0.17025(W)*3

Color Depth 8 bits 16.7 million colors

Active Display Area 697.6845(H)X392.256(V)

Brightness (panel spec) 450cd/m2(typ)

Contrast ratio (panel spec) 1500:1

Color coordinates (typical)

White x=0.28±0.03, y=0.29±0.03

Red x=0.642±0.03, y=0.33±0.03

Green x=0.283±0.03, y=0.602±0.03

Blue x=0.145±0.03, y=0.062±0.03

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3. Input Connectors

1 x RF Connector for internal ATSC/QAM/NTSC Hybrid Tune

2x HDMI with HDCP plus Stereo Audio (RCA)

2x Component YPbPr plus Stereo Audio

1x RGB PC(WXGA) plus Stereo Audio

1x Composite Video plus stereo Audio

1x S-VIDEO Connect

4. POWER SUPPLY

Input Voltage Level: 100~240 Vac, 50/ 60 Hz

Power Consumption: 180W MAXPower OFF: to less than 3W MAX

5. Speaker

Output 10W (max) X2

6. ENVIRONMENT

Operating Temperature: 5c~35c (Ambient)

Operating Humidity: Ta= 35 °C, 90%RH (Non-condensing)

Operating Altitude: 0 - 14,000 feet (4267.2m)(Non-Operating)

7. DIMENSIONS (Physical dimension)

Width: 760.0mm.+/- 20 mm

Depth: 51.6 mm +/- 20 mm

Height: 450.0 mm +/- 20 mm

8. WEIGHT (Physical weight)

a. Net: 19.12

b. Gross: 23.81

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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.)

(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.

2. HANDLING PRECAUTIONS 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.

(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.

CONFIDENTIAL

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File No. SG-0241

Chapter 3 On Screen Display

On Screen Display (OSD) is a friendly interface providing 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

A. Picture：(Bold: Default)

a. Picture Mode (Standard / Movie / Game / Custom)

b. Backlight (0~100, 90)

c. Brightness (0~100, 50)

d. Contrast (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. DNR (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)

CONFIDENTIAL

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