Vizio VP423 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 VP423

HDTV10A_Samsung

VIZIO VP422 HDTV10A_Samsung 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 VP422 HDTV10A_Samsung

VIZIO VP422 HDTV10A_Samsung 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 – DO NOT COPY Page 1-1

File No. SG-0280

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 in.

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 with resolution lower than 1680x1050 is magnified.

7. Power saving to reduce consumption power too less than 1W.

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

contrast, sharpness), sound setting, TV channel program, aspect and gamma

or reset all setting.

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File No. SG-0280

Chapter 2 Specification

1. PDP CHARACTERISTICS

General Specification of SDI S42AX-YD05

Item Specification Unit

Active Area 933.89x532.22 mm

Pixel Number 1024 x R.G.B. x 768 pixel

Pixel Pitch 0.912(H) x 0.693(V) mm

Display Colors 16.7 millions color

2. OPTICAL CHARACTERISTICS

Viewing Angle (CR>10) > Free

3. SIGNAL (Refer to the Timing Chart)

Sync Signal

1) Type: LVDS

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

4. Input Connectors

USB, D-SUB15PIN (MINI, 3rows), SPDIF(digital audio out), HDMIX3, RCAX1

(component), RCAX1 (AUDIO in), RCAX1 (composite), RCAX1 (AUDIO in),

S-Video, Tuner, RCAX1 (AUDIO out)

5. POWER SUPPLY

Power Consumption: 400W MAX

Power OFF: to less than 1W MAX

6.Speaker

Output 10W (max) X2

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File No. SG-0280

7. ENVIRONMENT

Operating Temperature: 5℃~35℃(Ambient)

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

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

8. DIMENSIONS (Physical dimension)

Width: 1040.0 mm

Depth: 260.0 mm

Height: 711.5” mm

9. WEIGHT (Physical weight)

a. Net: 28.8±0.5 Kg

b. Gross: 32.5±0.5 Kg

Please pay attention to the followings when you use this PDP 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 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.

CONFIDENTIAL – DO NOT COPY Page 2-3

File No. SG-0280

(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.

(6) Do not touch, push or rub the exposed polarizes with glass, tweezers or

anything harder than HB pencil lead. And please do not rub with dust

clothes with chemical treatment.

Do not touch the surface of polarizer for bare hand or greasy cloth.(Some

cosmetics are detrimental to the polarizer.)

(7) When the surface becomes dusty, please wipe gently with absorbent cotton

or other soft materials 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 chemical damage to the polarizer.

(8) Wipe off saliva or water drops as soon as possible. Their long time contact

with polarizer causes deformations and color fading.

(9) Do not open the case because inside circuits do not have sufficient

strength.

9-2. 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 PATTERN.

CONFIDENTIAL – DO NOT COPY Page 2-4

File No. SG-0280

(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.

9-3. 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 – DO NOT COPY Page 3-1

File No. SG-0280

Chapter 3 On Screen Display

Main unit button

(1). POWER

(2). MENU

(3). CH +

(4). CH -

(5). VOL +

(6). VOL -

(7). INPUT

TV Source

A. PICTURE：

a. PICTURE MODE (CUSTOM/ STANDARD / MOVIE / GAME)

b. BRIGHTNESS (0~100)

c. CONTRAST (0~100)

d. COLOR (0~100)

e. TINT (-32~32)

f. SHARPNESS (0~100)

g. COLOR TEMPERATURE (CUSTOM/COOL/NORMAL/WARM)

h. ADVANCED VIDEO

i-1. DNR(OFF/LOW/MEDIUM/STRONG)

i-2. BLACK LEVEL EXTENDER (ON/OFF)

i-3. WHITE PEAK LIMITATOR (ON/OFF)

i-4. CTI(OFF/LOW/MEDIUM/STRONG)

i-5. FLESH TONE (ON/OFF)

i-6. ADAPTIVE LUMA (ON/OFF)

CONFIDENTIAL – DO NOT COPY Page 3-2

File No. SG-0280

B. AUDIO：

a. VOLUME (0~100)

b. BASS (0~100)

c. TREBLE (0~100)

d. BALANCE (-50~50)

e. SURROUND (ON/OFF)

f. DIGITAL AUDIO OUT (PCM)

g. SPEAKERS (ON/OFF)

h. LIP SYNC (0~5)

C. TV：

a. TUNER MODE (ANTENNA/CABLE)

b. AUTO SEARCH (RUN)

c. SKIP CHANNEL (TABLE)

d. MTS (STEREO)

e. TIME ZONE

(HAWALL/EASTTERN/INDIANA/CENTRAL/MOUNTAIN/ARIZONA/PACIFI

C/ALASKA)

f. Daylight Saving(ON/OFF)

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