Vizio P42HDTV10A 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

5. Pin Assignment

4-1

5-1

6. BLOCK DIAGRAM 6-1

7. Main Board I/O Connections 7-1

8. Theory of Circuit Operation 8-1

9. Waveforms 9-1

10. Trouble Shooting 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

VIZIO P42HDTV10A Service Manual

VINC Service Manual

VIZIO P42HDTV10A

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 P42HDTV10A Service Manual

Chapter 1 Features

y 1024 x 768 pixel resolution with 16:9 wide screen

y ATSC (Off-air)/QAM (Cable)/NTSC (Antenna/Cable)

y All TV formats supported (480i, 480p, 720p & 1080i)

y PC compatible (RGB) up to 1280 x 1024 WXGA

y High definition digital interface - HDMI

y Multiple-screen display (picture-on-picture/picture-in-picture)

y Selectable picture mode

y Supporting DVI converted to HDMI

y Closed caption

y Gloss front bezel

y Wall-mountable

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Chapter 2 Specification

1. General specification

Native Resolution

Effective Display Size

Aspect Ratio

Color

Brightness

(w/glass filter)

Contrast Ratio

TV system

PC Inputs

Video Inputs

1024 (H)X768 (V) pixels,

921.6 (H) x 519.2 (V) mm

16:9

1,024 (R) x 1,024 (G) x 1,024 (B) colors

1200 cd/m

Min. 300 cd/ m

2

( typical, panel spec)

2

10,000:1 (Typical, panel spec).

NTSC/ATSC/ QAM

15pins D-sub, HDMI-DVI

1 x S-Video

3 x AV inputs (CVBS; RCA type)

Audio Inputs

Audio Outputs

Audio

Power Input

Power Consumption

Preset Modes

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2 x Component (Y Pb/Pr Cb/Cr)

1 x HDMI

6 x Stereo RCA (R/L), 1 x PC Mini-Jack

Analog - 1 x stereo RCA (R/L)

1 x headphone

Digital – 1 x SPDIF Optical

10W 6Ω X 2

100 to 240 Vac

380W Max

Primary 1024 x 768 @ 60Hz.

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2. Optical characteristics

Item Specification Remarks

Display Pixels 1,024 (H) x 768 (V) pixels

Display Cells 3,072 (H) x 768 (V) cells

Pixel Pitch 0.9 (H) x0.676 (V) mm

Pixel Type Non-stripe

Color Depth 1,024 (R) x 1,024 (G) x 1,024 (B) colors

Active Display Area 921.6 (H) x 519.2 (V) ±0.5 mm

Brightness Min. 300 cd/ m2

Color coordinates 9300K: x=0.283±0.02, y=0.297±0.02

6500K: x=0.313±0.02, y=0.329±0.02

5000K: x=0.346±0.02, y=0.359±0.02

3. Power Supply

a. Input voltage 100-240Vac, 50/60Hz

b. Input current 4.5A or less (at AC 100V/60Hz)

c. Inrush current 60A at Vac=120V

d. Power consumption 380 W Max

e. Standby/DPMS 3 watts max. (at 120 Vac)

4. Environment

Operating

a. Temperature: 0~40℃

RGB

RGB /VIDEO

RGB

b. Relative humidity: 20%~80% RH

c. Altitude: 0~6,560 ft

Non-operating

a. Temperature: -20~60℃

b. Relative humidity: 10%~90% RH

c. Altitude: 0~9,840 ft

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5. Dimensions

Item W/Stand W/O stand

a. Height 780 mm 755 mm

b. Width 1072mm 1072mm

c. Depth 290 mm 109 mm

6. Weight

a. Net: 38.8 +/- 0.5 kgs

b. Gross: 47.5 +1.5 kgs /- 0.5 kgs

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Chapter 3 On Screen Display

Input Menu

Operation Menu

TV Mode

A. PICTURE ADJUST：

a. PICTURE MODE (USER/ VIVID1 / VIVID2 /

VIVID3)
b. Adjust the BRIGHTNESS (0~100)
c. Adjust the CONTRAST (0~100)
d. Adjust the COLOR (saturation) (0~100)
e. Adjust the TINT (hue) (0~100)
f. Adjust the SHARPNESS (0~100)
g. CLOSED CAPTION

(OFF/CC1/CC2/CC3/CC4/TT1/TT2/TT3/TT4)

B. AUDIO ADJUST：

a. VOLUME (0~100)
b. BASS (-50~50)
c. TREBLE (-50~50)
d. BALANCE (-50~50)
e. SURROUND (ON/OFF)
f. REVERB (OFF, CONCERT, LIVING ROOM,

HALL, ARENA)
g. MUTE (ON/OFF)
h. SPEAKERS (ON/OFF)

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C. TV TUNER SETUP：

a. SOUND (SAP/MONO/STEREO)
b. TV/CABLE (TV/CABLE)
c. CHANNEL SEARCH (RUN)
d. SET CHANNEL
e. SKIP CHANNEL (YES/NO)

D. PARENTAL CONTROL：

a. PARENT LOCK ENABLE (ON/OFF)
b. TV RATING
c. MOVIE RATING
d. ACCESS CODE EDIT

E. PIP SETUP：

a. STYLE (OFF/PIP/POP)
b. Source (AV1、AV2、AV3、ANALOG HD1、

ANALOG HD2、DIGITAL HD、RGB)

c. SIZE (SMALL/MEDIUM/LARGE)
d. POSITION (TOP LEFT/TOP CENTER/TOP

RIGHT/MIDDLE LEFT/MIDDLE
RIGHT/BOTTOM LEFT/BOTTOM
CENTER/BOTTOM RIGHT)

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F. SPECIAL FEATURES：

a. LANGUAGE (ENGLISH/FRANÇAIS/

ESPAÑOL)

b. SLEEP TIMER (OFF/30 MIN /60 MIN /90 MIN

/120 MIN)

c. WIDE FORMAT (NORMAL/WIDE/ZOOM、

PANORAMIC)
d. RESET ALL SETTING
e. IMAGE CLEANER

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RGB Mode

A. PICTURE ADJUST：

a. AUTO ADJUST
b. Adjust the BRIGHTNESS (0~100)
c. Adjust the CONTRAST (0~100
d. Adjust the H-SIZE (0~100)
e. Adjust the H-POSITION (0~100)
f. Adjust the V-POSITION (0~100)
g. Adjust the FINETUNE (0~100)

B. COLOR TEMP：

a. COLOR TEMP. (User, 5000K, 6500K, 9300K)
b. RED (0~255)
c. GREEN (0~255)
d. BLUE (0~255)

C. AUDIO ADJUST：

a. VOLUME (0~100)
b. BASS (-50~50)
c. TREBLE (-50~50)
d. BALANCE (-50~50)
e. SURROUND (ON/OFF)
f. REVERB (OFF, CONCERT, LIVING ROOM,

HALL, ARENA)
g. MUTE (ON/OFF)
h. SPEAKERS (ON/OFF)

D. PIP SETUP：

a. STYLE (OFF/PIP/POP)
b. SOURCE (AV1、AV2、AV3、TV)

c. SIZE (SMALL/MEDIUM /LARGE)
d. POSITION (TOP LEFT/TOP CENTER/TOP

RIGHT/MIDDLE LEFT/MIDDLE

RIGHT/BOTTOM LEFT/BOTTOM

CENTER/BOTTOM RIGHT)

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E. SPECIAL FEATURES：

a. LANGUAGE (ENGLISH/FRANÇAIS/

ESPAÑOL)
b. SLEEP TIMER (OFF/30/60/90/120)
c. WIDE FORMAT (WIDE/NORMAL)
d. RESET ALL SETTING
e. IMAGE CLEANER

HDMI Mode

A. PICTURE ADJUST：

a. PICTURE MODE (USER/ VIVID1 / VIVID2 /

VIVID3)
b. Adjust the BRIGHTNESS (0~100)
c. Adjust the CONTRAST (0~100)
d. Adjust the COLOR (saturation) (0~100)
e. Adjust the TINT (hue) (0~100)
f. Adjust the SHARPNESS (0~100)

B. AUDIO ADJUST：

a. VOLUME (0~100)
b. BASS (-50~50)
c. TREBLE (-50~50)
d. BALANCE (-50~50)
e. SURROUND (ON/OFF)
f. REVERB (OFF, CONCERT, LIVING ROOM,

HALL, ARENA)
g. MUTE (ON/OFF)
h. SPEAKERS (ON/OFF)
i. AUDIO SOURCE (HDMI/DVII)
NOTE: While main or pip exists HDMI source, audio

option will add an AUDIO SOURCE item.

C. PARENTAL CONTROL：

a. PARENT LOCK ENABLE (ON/OFF)
b. TV RATING
c. MOVIE RATING
d. ACCESS CODE EDIT

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D. PIP SETUP：

a. STYLE (OFF/PIP/POP)
b. SOURCE (AV1、AV2、AV3、TV)

c. SIZE (SMALL /MEDIUM/LARGE)
d. POSITION (TOP LEFT/TOP CENTER/TOP

RIGHT/MIDDLE LEFT/MIDDLE RIGHT/BOTTOM
LEFT/BOTTOM CENTER/BOTTOM RIGHT)

E. SPECIAL FEATURES：

a. LANGUAGE (ENGLISH/FRANÇAIS/ ESPAÑOL)
b. SLEEP TIMER (OFF/30/60/90/120)
c. WIDE FORMAT (NORMAL/WIDE/ZOOM)
d. RESET ALL SETTING
e. IMAGE CLEANER

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Video Mode -AV1、AV2、AV3、COMPONENT 1、COMPONENT 2

A. PICTURE ADJUST：

a. PICTURE MODE (USER/ VIVID1 / VIVID2 /

VIVID3)
b. Adjust the BRIGHTNESS (0~100)
c. Adjust the CONTRAST (0~100)
d. Adjust the COLOR (saturation) (0~100)
e. Adjust the TINT (hue) (0~100)
f. Adjust the SHARPNESS (0~100)
g. CLOSED CAPTION

(OFF/CC1/CC2/CC3/CC4/TT1/TT2/TT3/TT4)

B. AUDIO ADJUST：

a. VOLUME (0~100)
b. BASS (-50~50)
c. TREBLE (-50~50)
d. BALANCE (-50~50)
e. SURROUND (ON/OFF)
f. REVERB (OFF, CONCERT, LIVING ROOM, HALL,

ARENA)
g. MUTE (ON/OFF)
h. SPEAKERS (ON/OFF)

C. PARENTAL CONTROL：

a. PARENT LOCK ENABLE (ON/OFF)
b. TV RATING
c. MOVIE RATING
d. ACCESS CODE EDIT

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D. PIP SETUP：

a. STYLE (OFF/PIP/POP)
b. SOURCE (AV2, AV3, COMPONENT 1,

COMPONENT 2, HDMI, RGB, TV, DTV)
c. SIZE (SMALL/MEDIUM/LARGE)
d. POSITION (TOP LEFT/TOP CENTER/TOP

RIGHT/MIDDLE LEFT/MIDDLE RIGHT/BOTTOM

LEFT/BOTTOM CENTER/BOTTOM RIGHT)

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DTV Mode

E. SPECIAL FEATURES：

a. LANGUAGE (ENGLISH/FRANÇAIS/ ESPAÑOL)
b. SLEEP TIMER (OFF/30 MIN/60 MIN /90 MIN/120

MIN)

c. WIDE FORMAT (NORMAL/WIDE/ZOOM)
d. RESET ALL SETTING
e. IMAGE CLEANER

A. DTV TUNER SETUP

a. TIME ZONE:

1.HAWALL

2.EASTTERN TIME

3.INDIANA

4.CENTRAL TIME

5.MOUNTAIN TIME

6.ARIZONA

7.PACIFIC TIME

8.ALASKA

b. CABLE/AIR/AUTO

c. SCAN

d. MANUAL SCAN

SCAN MODE:

1. ADD-ON MODE

2. RANGE MODE
(1)FROM CHANNEL
(2)TO CHANNEL

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e. CHANNEL SKIP

f. DIGITAL AUDIO OUT

1. PCM

2. DOLBY DIGITAL

3. OFF

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B.CLOSED CAPTION:

a. ANALOG CLOSED CAPTION (OFF/YES)
b. DIGITAL CLOSED CAPTION (OFF/YES)

c. DIGITAL CAPTION STYLE

1.AS BROADCASTER

2.CUSTOM
(1) FONT SIZE

α.LARGE
β.SMALL
γ.MEDIUM

(2) FONT COLOR

α.BLACK

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β.WHITE
γ.GREEN
δ.BLUE
ε.RED
ζ.CYAN
η.YELLOW
θ.MAGENTA

(3) FONT OPACITY

α.SOLID
β.TRANSLUCENT
γ.TRANSPARENT

(4)BLACKGROUND COLOR

α.BLACK
β.WHITE
γ.GREEN
δ.BLUE
ε.RED
ζ.CYAN
η.YELLOW
θ.MAGENTA

(5) BLACKGROUND OPACITY

α.SOLID
β.TRANSLUCENT
γ.TRANSPARENT

(6) WINDOW COLOR

α.BLACK
β.WHITE
γ.GREEN
δ.BLUE
ε.RED
ζ.CYAN
η.YELLOW
θ.MAGENTA

(7) WINDOW OPACITY

α.SOLID
β.TRANSLUCENT
γ.TRANSPARENT

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PIP table

C. PASSWORD

- PRESS<OK> , enter 0000

- get to “CHANNEL BLOCK”, then press <OK>

Sub

MAIN

AV1 N Y Y Y Y Y Y Y Y

AV2 Y N Y Y Y Y Y Y Y

AV3 Y Y N Y Y Y Y Y Y

COMPONENT 1 Y Y Y N N N N Y N

COMPONENT 2 Y Y Y N N N N Y N

HDMI Y Y Y N N N N Y N

RGB Y Y Y N N N N Y N

TV Y Y Y Y Y Y Y N Y

DTV Y Y Y N N N N Y N

AV1 AV2 AV3 COMPONENT 1 COMPONENT 2 HDMI* RGB TV DTV

* Sub/HDMI doesn’t support 1080i.

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Chapter 10 Trouble shooting

MONITOR DISPLAY NOTHING (PC MODE)

Start

LED is lighted

N0

1. Is Power board output

+5V?

2. Is J1 connector good?

3. Is DC-DC OK?

Ye

It is in power saving

N0

N0

LED is lighting?

U9 no data out?

U9 no data in?

Ye

N0

Ye
Ye

N0

1. Check video cable

2. Is the timing supported?

3. Check sync input

4. Check VGASOG rout if

analog (SOG)

It means data to LVDS

1.Is J6 connecting well?

2.Check J1 +5V&+12V

3.Is panel ok?

1.Is U9 working good?

2.Is U11&U12 working good?

3.IS U10 working good?

1. Check P3 D-sub Input
correct

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player

(TV, COMPOSITE VIDEO1, 2, 3, S-VIDEO) IS NOT DISPLAY CORRECTLY

Start

N0

Input signal

1.Check video

2.Check DVD

Ye

U20 input

Ye

U20 output

Ye

LVDS output

Ye

1.Chcak J6 Connect is
good?

2.Is panel working ok?

N0

N0

N0

1.Check P2 signal

2.Check signal between P2
and U20 (IF AV1/AV2
mode)

3.Check Tuner &U20 (IF TV

1.Check signal between U20
and U9

1.Check signal between U20
and U9

2.Check U9 clock (27MHz)

3.Check U9 power

END

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(COMPONENT1,

2) IS NOT DISPLAY CORRECTLY

Start

N0

Input signal

Ye

N0

U21 input

Ye

N0

U9 input

Ye

N0

1.Check video

2.Check host’s setting

1.Check signal between
P8&U21

1.Check signal between
U21&U9

2.Check U9 Clock (27MHZ)

LVDS output

Ye

1.Is J6 connected
good?

END

1.Check U9

2.Check U9 power

3.3V 1.8V

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(HDMI) IS NOT DISPLAY CORRECTLY

Start

N0

Input signal

1.Check video

2.Check host’s setting

Ye

N0

U16 input

1.Check p1 connect

2.Check signal

Ye

U16 no data

1.Is J6 connected good?

2.Is panel working ok?

Ye

N0

1.Check U16 power

2.Check between
signal U16 and U9

END

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Chec

TROUBLE OF DC-DC CONVERTER

Start

J1 PIN 9,10,11

N0

The voltage is about + 5V

1.Check power board

2.Check power cable
connection J1

J1 PIN 2,3,4,5

U7 pin 5 6 7 8

U4 pin2

U6 pin 3

U14 pin2

Ye

Ye

Ye

Ye

Ye

N0

N0

N0

N0

N0

The voltage is about + 12V
while power switch on

1.J1 connection good

2.Check U9 GPIO Pin

3.Check power board

The voltage is about +5V
while power switch on

1.J1 connection good

2.

The voltage is about +3.3V

1.J1 to connection good?

2.Check U4

The voltage is about +9V

1.Check U9 GPIO Pin

2.Check U6

The voltage is about +2.5V
while power switch on

1.Check U9 GPIO Pin

2.Check U14

k U9 GPIO Pin

U5 pin2

U13 pin2

END

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Ye

N0

The voltage is about +1.8V

1.Check J1 Connect

2.Check U5&L5

The voltage is about +1.25V
while power switch on

1.Check J1 Connect

2.Check U13

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TROUBLE OF DDC READING

Start

N0

Analog DDC

Ye

N0

HDMIDDC

Support DDC1/2B

1.Analog cable ok?

2.Check signal (U18 to P3)

3.Check U18 Voltage

4.Is compliant protocol?

Support DDC1/2B

1.Analog cable ok?

2.Check signal (U17 to P1)

3.Check U17 Voltage

4.Is compliant protocol?

Ye

END

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