Vizio L42HDTV10A, GV42L Service Manual

Service Manual

Model #: VIZIO L42HDTV10A

VIZIO GV42L HDTV

V, Inc

320A Kalmus Drive Costa Mesa, CA 92626

TEL : [phone] FAX :[phone]

Top Confidential

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

12-1. Complete Parts List (L42 HDTV10A _LG) 12-1

12-2. Complete Parts List (GV42L HDTV_LG)

12-2

Appendix

1. Main Board Circuit Diagram

2. Main Board PCB Layout

3. Assembly Explosion Drawing

Block Diagram

VIZIO L42HDTV10A,GV42L HDTV Service Manual

VINC Service Manual

VIZIO L42HDTV10A,GV42L HDTV

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 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.

VIZIO L42HDTV10A,GV42L HDTV Service Manual

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

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, PIP, TV channel program,

aspect and gamma or reset all setting.

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File No. SG-0198

Chapter 2 Specification

1. LCD CHARACTERISTICS

Type: 42.0 WXGA TFT LCD

Size: 42.02inch

Display Size: 42.02 inches (1067.308mm) diagonal

Outline Dimension: 1006 mm (H) x 610 mm (V) x 56 mm (D) (Typ.)

Pixel Pitch: 0.227mm x 0.681mm x RGB

Pixel Format: 1366 horiz. By 768 vert. Pixels RGB strip arrangement

Contrast ratio: 1.CR : 550(Typ) 2. CR WITH AI : 1100(Typ)

Luminance, White: 500 cd/m
Display Operating Mode: normally Black

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

2. OPTICAL CHARACTERISTICS

Viewing Angle (CR>10)

Left: 89°typ.

Right: 89°typ.

Top: 89°typ.

Bottom: 89°typ.

2 (Typ)

3. SIGNAL (Refer to the Timing Chart)

Sync Signal

1) Type: TMDS

2) Input Voltage Level: 90~240 Vac, 50/ 60 Hz

4.Input Connectors

RJ11, D-SUB15PIN (MINI, 3rows), Headphone, HDMIX2, RCAX3 (component), RCAX2

(AUDIO in), RCAX3 (composite), RCAX2 (AUDIO in), S-Video, Tuner

5. POWER SUPPLY

Power Consumption: 280W MAX

Power OFF: to less than 3W MAX

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6.Speaker

Output 10W (max) X2

7. ENVIRONMENT

5-1. Operating Temperature: 5c~35c (Ambient)

5-2. Operating Humidity: Ta= 35 ¶C, 90%RH (Non-condensing)

5-3. Operating Altitude: 0 - 14,000 feet (4267.2m)(Non-Operating)

8. DIMENSIONS (Physical dimension)

Width: 1066 mm.

Depth: 269.2mm

Height: 765.4mm

9. WEIGHT (Physical weight)

a. Net: 36.0+/-0.5kgs

b. Gross: 43+/-0.5kgs

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 not applied to the module. And the case on which a module is mounted should

have sufficient strength so that external force is not transmitted directly to the

module.

(3) Please attach the surface transparent protective plate to the surface in order to

protect the polarizer. Transparent protective plate should have sufficient strength in

order to the resist external force.

(4) You should adopt radiation structure to satisfy the temperature specification.

(5) Acetic acid type and chlorine type materials for the cover case are not desirable

because the former generates corrosive gas of attacking the polarizer at high

temperature and the latter causes circuit break by electro-chemical reaction.

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