Vizio GV46L HDTV User manual

Service Manual
V, Inc
320A Kalmus Drive Costa Mesa, CA 92626
TEL : [phone] FAX :[phone]
Top Confidential
Model #: VIZIO GV46L HDTV
VIZIO GV46L HDTV10A
(For Samsung Panel)

VIZIO GV46L_HDTV,GV46L_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
12-1. Complete Parts List (GV46L HDTV_Samsung) 12-1
12-2. Complete Parts List (GV46L HDTV10A_Samsung) 12-2
Appendix
1. Main Board Circuit Diagram
2. Main Board PCB Layout
3. Assembly Explosion Drawing
Block Diagram

VINC Service Manual
VIZIO GV46L_HDTV,GV46L_HDTV10A
VIZIO GV46L_HDTV,GV46L_HDTV10A 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 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.

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Chapter 1 Features
yHigh resolution 1366 x 768 with wide screen
yBuilt-in digital HDTV and standard TV combination TV tuner
yAll TV formats supported (1080i, 720p, 480 p and 480i)
yComputer Monitor (RGB): up to1366 x 768 (H x V)
yWall mounting capable with and without speakers
y2.1 virtual surround sound (TruSurround XT) with 20W subwoofer
yDual HDMI (High Definition Multimedia Interface)
yIndependent Red, Green and Blue adjustment in TV, Video, HDMI and VGA for
user fine tuning of color temperature with reset.
yZero Bright Pixel
yPIP, POP, CC, V-Chip, 3D Comb Filter, Zoom, Freeze, DCDi De-Interlace, 3:2 or
2:2 Reverse Pull-down, ATSC, with 8VSB & QAM demodulation, with MPEG-2
decoding, NTSC Video decoding via RF (Antenna, Cable or Satellite) or Video
(CVBS, S-Video or Component), Progressive Scan Video via Component YPbPr,
VGA or HDMI, HDTV via HDMI or Component YPbPr,

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Chapter 2 Specification
1. General specification
Native Resolution 1366 (H)X768 (V) pixels,
Effective Display Size 1018.353 (H) x 572.544 (V) mm
Aspect Ratio 16:9
Display Color 8 bit, 16.7M
Brightness 400 cd/ m2(Min)
Contrast Ratio 1,200:1 (Typical, panel spec).
TV system NTSC/ATSC/ QAM
PC Inputs 15pins D-sub, HDMI-DVI
Video Inputs 2 x S-Video
2 x AV inputs (CVBS; RCA type)
2 x Component (Y Pb/Pr Cb/Cr)
2 x HDMI
Audio Inputs 6 x Stereo RCA (R/L), 1 x PC Mini-Jack
Audio Outputs Analog - 1 x stereo RCA (R/L)
1 x headphone
Digital – 1 x SPDIF Optical
Audio 10W8ȍX 2 + 20W8ȍX 1
Power Input 100 to 240 Vac
Power Consumption 320W Max

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2. Optical characteristics
Item Specification Note
Display Pixels 1366 (H) x 768 (V) pixels
Pixel Pitch 0.7455 (H) x0.2485 (V) mm*3
Pixel Arrangement RGB vertical stripe
Color Depth 8 bit, 16.7M colors
Active Display Area 921.6 (H) x 519.2 (V) ±0.5 mm
Surface treatment of
Hard coating 3H
Brightness 400 cd/m2(min)
Contrast ratio (panel
spec) 1,200:1 (Typical, dark room)
Cool (9300K):: x=0.283 ± 0.03,y=0.297 ± 0.03 RGB
Standard (6500K): x=0.313 ± 0.03, y=0.329 ± 0.03 RGB
/VIDEO
Warm (5400K): x=0.332 ± 0.03,y=0.348 ± 0.03 RGB
Color coordinates
User: x= 0.280± 0.03, y= 0.290± 0.03 RGB
øL 75
Hor.
øR 75
øU 75
Viewing angle
Ver.
øD 75
3. Power Supply
a. Input voltage 100-240Vac, 50/60Hz
b. Input current 3.2A or less (at AC 100V/60Hz)
c. Inrush current 60A at Vac=120V
d. Power consumption 320 W Max
e. Standby/Power-off 3 watts max. (at 120 Vac)

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4. Environment
4.1 Operating
a. Temperature 0~35к
b. Humidity 0%~90% RH (No condensation)
4.2 Non-operating
a. Temperature -20~60к
b. Humidity 0%~90% RH (No condensation)
4.3 Altitude
a. Operating 0~14,000 ft
b. Non-operating 0~40,000 ft
5. Dimensions & Weight
A: Display Module B: Speaker C: Base
Display Module
Display Module +
Speaker
Display Module +
speaker + Base
a. Height 674.8 mm 749.2 mm 792.6 mm
b. Width 1128.3 mm 1128.3 mm 1128.3 mm
c. Depth 120.9 mm 132.9 mm 269.3 mm
d. Net weight 30.8+/- 0.5 kgs 33.50+/- 0.5 kgs 37.00 +/- 0.5 kgs
e. Gross Weight -- -- 44 +/- 1 kgs

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6. Packaging Specification
6.1 Packaged dimensions
a. Height 960+/- 20 mm
b. Width 1300+/- 20mm
c. Depth 374 +/- 20 mm
6.2 Pallet Load
a. Sea 3 units/pallet
6.3 Container Load
a. 40’ container 108 units (@3 x 36 pallets= 108 units)
b. 20’ container 48 units (@3 x 16 pallets= 48 units)

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Chapter 3 On Screen Display
1. Analog Menu - RGB/AV/Component/HDMI/TV
Image Settings
Mode
ʳ
Level 1
ʳ
Level 2
ʳ
Level 3
ʳ
Level 4
VIDEO Picture Mode Vivid, Movie, Game,
Sport, Custom ʳʳ
VIDEO Brightness(0~100) ʳʳ
VIDEO Contrast(O~100) ʳʳʳ
VIDEO Saturation(0Д100) ʳʳʳ
VIDEO Hue(-50~50) ʳʳʳ
VIDEO Sharpness(0~24) ʳʳʳ
VIDEO Advanced ʳʳʳ
VIDEO ʳNoise Reduction ʳʳ
VIDEO ʳʳMotion(0~16) ʳ
VIDEO ʳʳDigital(0~64) ʳ
VIDEO ʳFleshtone
Off, High, Medium,
Low ʳ
VIDEO ʳDynamic Contrast
(0,1,2,3) ʳʳ
VIDEO Backlight (High,
Medium, Low)
VIDEO Custom Color* ʳʳʳ
VIDEO ʳRed(0~100) ʳʳ
VIDEO ʳGreen(0Д100) ʳʳ
VIDEO ʳBlue(0~100) ʳʳ
PC ʳAuto Adjustment ʳʳ
PC ʳlmage Position ʳʳ
PC ʳPhase ʳʳ
PC ʳCIocks/Line ʳʳ
PC ʳColor Temp ʳʳ
PC ʳʳWarm(5400K) ʳ
PC ʳʳStandard(6500K) ʳ
PC ʳʳCool(9300K) ʳ
PC ʳʳUser ʳ
PC ʳʳʳRed(0~100)
PC ʳʳʳGreen(0Д100)
PC ʳʳʳBlue(0~100)
PC Backlight (High,
Medium, Low)

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When “Custom” in “Picture Mode” is selected.
Display Settings
Mode Level 1 Level 2 Level 3 Level 4
VIDEO Aspect Ratio 16:9Ε4:3ΕZoom*Ε
Panoramic**
PC Aspect Ratio 16:9Ε4:3
PIP
PIP Mode Off, Large PIP, Small
PIP, POP
PIP Position Top-Left, Top-Right,
Bottom-Left,
Bottom-Right
PIP Input ***
* RGB doesn’t support Zoom function
** Only AV and Component 480i/480p support Panoramic function.
*** Please see 4.3 “PIP/POP Table” for PIP/POP matrix for all inputs.
Audio Settings
Mode Level 1 Level 2 Level 3 Level 4
ʳBass(0~20) ʳʳ
ʳTreble(0~20) ʳʳ
ʳBalance(-10~10) ʳʳ
ʳSRS TS XT* (On, Off) ʳʳ
ʳAuto Volume(On, Off) ʳʳ
ʳSpeakers(On, Off) ʳʳ
ʳAudio Out** Fixed Volume,
Variable Volume
ʳ
* SRS TS XT doesn’t support DTV/TV and line out.
** When “Speakers” is off

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Parental Controls
Mode Level 1 Level 2 Level 3 Level 4
VIDEO Password ʳʳʳ
VIDEO ʳSettings ʳʳ
VIDEO ʳʳTV Rating ʳ
VIDEO ʳʳʳ TV Youth (UnblockedΕBlocked)
VIDEO ʳʳʳ TV Youth 7 (UnblockedΕBlocked)
VIDEO ʳʳʳ TV G (UnblockedΕBlocked)
VIDEO ʳʳʳ TV PG (UnblockedΕBlocked)
VIDEO ʳʳʳ TV 14 (UnblockedΕBlocked)
VIDEO ʳʳʳ TV MA (UnblockedΕBlocked)
VIDEO ʳʳʳ Unblocked
VIDEO ʳʳMovie Rating ʳ
VIDEO ʳʳʳ Movie G (UnblockedΕBlocked)
VIDEO ʳʳʳ Movie PG(UnblockedΕBlocked)
VIDEO ʳʳʳ Movie PG-13(UnblockedΕBlocked)
VIDEO ʳʳʳ Movie R(UnblockedΕBlocked)
VIDEO ʳʳʳ Movie NC-17(UnblockedΕBlocked)
VIDEO ʳʳʳ Movie X(UnblockedΕBlocked)
VIDEO ʳʳʳ Unblocked
VIDEO ʳʳBlock Unrated
(No, Yes)
ʳ
VIDEO ʳChange
Password
ʳʳ
VIDEO ʳʳ Please enter
new password
ʳ
VIDEO ʳʳ Please re-enter
new password
ʳ
VIDEO ʳClear All
(No,Yes)
ʳʳ

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Setup
Mode Level 1 Level 2 Level 3 Level 4
ʳClosed Caption ʳʳ ʳ
Display CC1, CC2, CC3, CC4, TEXT1,
TEXT2, TEXT3, TEXT4
Captions on mute On, Off
ʳLanguage English, French,
Spanish
ʳʳ
ʳFactory Reset (No,Yes) ʳʳ ʳ
ʳImage Cleaner ʳʳ ʳ
TV TV Menu ʳʳ ʳ
TV ʳAuto Scan ʳʳ
TV ʳSet Channel Add/Skip ʳ
TV ʳCable/Antenna ʳʳ
DTV DTV Menu* ʳʳ ʳ
Firmware Version
* DTV menu is followed by options in the following point 2 when it is selected.
2. DTV Menu
Level 1 Level 2 Level 3 Level 4 Level 5
DTV Tuner Setup ʳʳʳʳ
ʳTime Zone ʳʳʳ
ʳʳ Hawaii ʳʳ
ʳʳ Eastern Time ʳʳ
ʳʳ Indiana ʳʳ
ʳʳ Central Time ʳʳ
ʳʳ Mountain Time ʳʳ
ʳʳ Arizona ʳʳ
ʳʳ Pacific Time ʳʳ
ʳʳ Alaska ʳʳ
ʳCable/Air/Auto ʳʳʳ

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Level 1 Level 2 Level 3 Level 4 Level 5
ʳScan* ʳʳʳ
ʳManual Scan* ʳʳ
ʳʳ Scan mode ʳʳ
ʳʳ ʳ Add-on Mode ʳ
ʳʳ ʳ Range Mode ʳ
ʳʳ ʳ ʳ From Channel
ʳʳ ʳ ʳ To Channel
ʳChannel Skip ʳʳʳ
ʳDigital Audio Out ʳʳʳ
ʳʳ PCM ʳʳ
ʳʳ OFF ʳʳ
ʳʳ Dolby Digital ʳʳ
Closed Caption ʳʳʳʳ
ʳAnalog Closed
Caption
CC1~CC4ޔOFF ʳʳ
ʳDigital Closed
CAPTION
Service 1~Service 6,
OFF
ʳʳ
ʳDigital Closed Style ʳʳʳ
ʳʳ As Broadcaster ʳʳ
ʳʳ Custom ʳʳ
ʳʳ ʳ Font Size ʳ
ʳʳ ʳ ʳ Large
ʳʳ ʳ ʳ Small
ʳʳ ʳ ʳ Medium
ʳʳ ʳ Font Color ʳ
ʳʳ ʳ ʳ Black
ʳʳ ʳ ʳ White
ʳʳ ʳ ʳ Green
ʳʳ ʳ ʳ Blue
ʳʳ ʳ ʳ Red
ʳʳ ʳ ʳ Cyan
ʳʳ ʳ ʳ Yellow
ʳʳ ʳ ʳ Magenta
ʳʳ ʳ Font Opacity ʳ
ʳʳ ʳ ʳ Solid
ʳʳ ʳ ʳ Translucent
ʳʳ ʳ ʳ Transparent

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Level 1 Level 2 Level 3 Level 4 Level 5
ʳʳ ʳ Background Color ʳ
ʳʳ ʳ ʳ Black
ʳʳ ʳ ʳ White
ʳʳ ʳ ʳ Green
ʳʳ ʳ ʳ Blue
ʳʳ ʳ ʳ Red
ʳʳ ʳ ʳ Cyan
ʳʳ ʳ ʳ Yellow
ʳʳ ʳ ʳ Magenta
ʳʳ ʳ Background Opacity ʳ
ʳʳ ʳ ʳ Solid
ʳʳ ʳ ʳ Translucent
ʳʳ ʳ ʳ Transparent
ʳʳ ʳ Window Color ʳ
ʳʳ ʳ ʳ Black
ʳʳ ʳ ʳ White
ʳʳ ʳ ʳ Green
ʳʳ ʳ ʳ Blue
ʳʳ ʳ ʳ Red
ʳʳ ʳ ʳ Cyan
ʳʳ ʳ ʳ Yellow
ʳʳ ʳ ʳ Magenta
ʳʳ ʳ Window Opacity ʳ
ʳʳ ʳ ʳ Solid
ʳʳ ʳ ʳ Translucent
ʳʳ ʳ ʳ Transparent
Parental control

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Chapter 4 Factory preset timings
This timing chart is already preset for this LCD TV.
1. RGB PC preset modes
Mode
No. Resolution
Refresh
Rate
(Hz)
Horizontal
Frequency
(KHz)
Vertical
Frequency
(Hz)
Horizontal
Sync
Polarity
(TTL)
Vertical
Sync
Polarity
(TTL)
Pixel Rate
(MHz) Remark
1 640x480 60 31.5 59.94 N N 25.175 Windows
2 640x480 75 37.5 75.00 N N 31.500 Windows
3 800x600 60 37.9 60.317 P P 40.000 Windows
4 800x600 75 46.9 75 P P 49.500 Windows
5 800x600 85 53.7 85.06 P P 56.250 Windows
61024x768 60 48.4 60.01 N N 65.000 Windows
7 1024x768 70 56.5 70.07 N N 75.000 Windows
8 1024x768 75 60.0 75.03 P P 78.750 Windows
9 1366X768 60 47.7 60.00 P N 85.500 Windows
10 1280X1024 60 63.98 60.02 P P 108.000 Windows
Remark: P: positive, N: negative

1024x768 @60 Hz: Primary
2. HDMI video digital preset modes
Mode No. Resolution
1 480i
2 480p
3 720p
4 1080i

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3. HDMI- DVI preset modes
- through HDMI interface by an optional interface cable
3.1 Video input
Mode No. Resolution
1 480i
2 480p
3 720p
4 1080i
3.2 PC input
Mode
No. Resolution
Refresh
Rate
(Hz)
Horizontal
Frequency
(KHz)
Vertical
Frequency
(Hz)
Horizontal
Sync
Polarity
(TTL)
Vertical
Sync
Polarity
(TTL)
Pixel Rate
(MHz) Remark
1 640x480 60 31.5 59.94 N N 25.175 Windows

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Chapter 5 Pin Assignment
1. Input
1.1 RGB PC Connector
a. Type: Analog
b. Frequency: H: 30-80KHz V: 60-85Hz
c. Signal level: 0.7Vp-p
d. Impedance: 75ȍ
e. Synchronization H/V separate sync:
H/V composite sync: Sync on Green
TTL
TTL
f. Video bandwidth: 135MHz
g. Connector type: 15-pin D-Sub, female
ˈ
˄˄
˄
ˉ˄˃
˄ˈ
ˈ
˄˃
˄ˈ
˄
ˉ
˄˄
Pin Number Pin Assignment Pin Number Pin Assignment
1 Red video input 9 +5V
2 Green video input 10 Ground
3 Blue video input 11 No connection
4 Ground 12 (SDA)
5 Ground 13 Horizontal sync
(Composite sync)
6 Red video ground 14 Vertical sync
7 Green video ground 15 (SCL)
8 Blue video ground

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1.2 HDMI Connector
a. Frequency: H: 15.734KHz V: 60Hz
H: 31KHz V: 60Hz
H: 45KHz V: 60Hz
H: 33KHz V: 60Hz
b. Polarity: Positive or Negative
c. Type: Type A
d. Pin Assignment: Please see below
Pin Signal Assignment Pin Signal Assignment
1TMDS Data2+ 2TMDS Data2 Shield
3TMDS Data2- 4TMDS Data1+
5TMDS Data1 Shield 6TMDS Data1-
7TMDS Data0+ 8TMDS Data0 Shield
9TMDS Data0- 10 TMDS Clock+
11 TMDS Clock Shield 12 TMDS Clock-
13 CEC 14 Reserved (N.C. on device)
15 SCL 16 SDA
17 DDC/CEC Ground 18 +5V Power
19 Hot Plug Detect
Pin 1
Pin 19
Pin 2

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1.3 AV/Composite Video (CVBS) Connector
a. Frequency: H: 15.734KHz V: 60Hz (NTSC)
b. Signal level: 1Vp-p Sync (H+V):0.3V below Video (Y+C)
c. Impedance: 75ȍ
d. Connector type: RCA jack
1.4 AV/S-Video Connector
a. Frequency: H: 15.734KHz V: 60Hz (NTSC)
b. Signal level: Y: 1Vp-p C: 0.286Vp-p
c. Impedance: 75ȍ
d. Connector type: 4-pin mini DIN
1.5 Component video Connector
a. Frequency: H: 15.734KHz V: 60Hz (NTSC-480i)
H: 31KHz V: 60Hz (NTSC-480p)
H: 45KHz V: 60Hz (NTSC-720p)
H: 33KHz V: 60Hz (NTSC-1080i)
b. Signal level: Y: 1Vp-p
Pb: r0.350Vp-p Pr: r0.350Vp-p
c. Impedance: 75ȍ
d. Connector type: RCA jack
443
21
1, 2 = GND
3 = Luminance (Y)
4 = Chrominance(C)

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1.6 F-type TV RF connector
NTSC system
a. Signal level Analog 1Vp-p typical (45tdB~90dB)
b. Frequency 55~801 MHz
ATSC system
a. IF-output level 1Vp-p minimum
b. Frequency 57~803 MHz
QAM system (supporting clear QAM)
a. IF-output level 1Vp-p minimum
b. Frequency 57~849 MHz
1.7 PC Stereo audio
a. Signal level: 1Vrms
b. Impedance: 47Kȍ
c. Connector type: 3.5 Imini jack
1.8 Video Stereo audio
a. Signal level: 0.7Vrms
b. Impedance: 47Kȍ
c. Frequency response: 250Hz-20KHz
d. Connector type: RCA L/R
2. Output
2.1 Analog Audio out
a. Signal level: 0.7Vrms
b. Impedance: 47Kȍ
c. Frequency response: 250Hz-20KHz
d. Connector type: RCA L/R:
2.2 Digital audio out
a. Peak emission wave length: 630 – 690 μm
b. Transmission Speed: 13.2M pbs
c. Connector type: Optical fiber transmitter