Vizio GV42L HDTV user manual

User manual for the device Vizio GV42L HDTV

Device: Vizio GV42L HDTV
Size: 7,53 MB
Date of adding : 2013-07-12 17:05:41
Number of pages: 107
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Vizio GV42L HDTV user manual
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Summary of the content on the page No. 1

Service Manual





Model #: VIZIO L42HDTV10A
VIZIO GV42L HDTV

V, Inc
320A Kalmus Drive Costa Mesa, CA 92626
TEL : +714-668-0588 FAX :+714-668-9099
Top Confidential

Summary of the content on the page No. 2

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 Circui

Summary of the content on the page No. 3

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 i

Summary of the content on the page No. 4

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 VC

Summary of the content on the page No. 5

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) 2 (Typ) Luminance, White: 500 cd/m Display Operating Mode: normally Black Surface Treatment: Hard Coating (3H) ,Anti-glare

Summary of the content on the page No. 6

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.

Summary of the content on the page No. 7

(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 adhe

Summary of the content on the page No. 8

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

Summary of the content on the page No. 9

Chapter 3 On Screen Display Main unit button Power MENU CH ▲ CH ▼ VOL + VOL - Input TV Source A. Picture Adjust: a. Picture Mode (Standard/Movie /Game / Custom) b. Backlight (0~100) c. Contrast (0~100) d. Brightness (0~100) e. Color (saturation)(0~100) f. Tint (hue) (0~100) g. Sharpness (0~7) h. Color Temperature (Cool/Normal/Warm/Custom) i. Advanced Picture Adjust B. Audio Adjust: a. Volume (0~100) b. Bass (0~100) c. Treble (0~100) d. Balance (0~100) e. Surround

Summary of the content on the page No. 10

C. Special Features: a. Language (English/Français/Espa ňol) b. Sleep Timer (OFF/30Min/60Min/90Min/120Min) c. Analog CC (OFF/CC1~4/TT1~4) d. Digital CC (OFF/CC1~4/Service1~6) e. Digital CC Style f. PIP Position (TL/TC/TR/ML/MR/BL/BC/BR) g. Rest All Setting D. TV Tuner Setup: a. Tuner Mode (Cable/Air) b. Auto Search c. Skip Channel d. Digital Audio Out (PCM/Dolby Digital) e. Time Zone (Eastern/Indiana/Central/Mountain/Arizona/Pacific/Alaska/Hawaii) E. Parental Control: a. Paren

Summary of the content on the page No. 11

B. Audio Adjust: a. Volume (0~100) b. Bass (0~100) c. Treble (0~100) d. Balance (0~100) e. Surround (ON/OFF) f. Speakers (ON/OFF) C. Special Features: a. Language (English/Français/Espa ňol) b. Sleep Timer (OFF/30Min/60Min/90Min/120Min) c. PIP Position (TL/TC/TR/ML/MR/BL/BC/BR) d. Rest All Setting AV COMPONENT MODE A. Picture Adjust: a. Picture Mode (Standard/Movie /Game / Custom) b. Backlight (0~100) c. Contrast (0~100) d. Brightness (0~100) e. Color (saturation)(0~100)

Summary of the content on the page No. 12

C. Special Features: a. Language (English/Français/Espa ňol) b. Sleep Timer (OFF/30Min/60Min/90Min/120Min) c. Analog CC (OFF/CC1~4/TT1~4) d. PIP Position (TL/TC/TR/ML/MR/BL/BC/BR) e. Rest All Setting D. Parental Control: a. Parental Lock Enable (ON/OFF) b. TV Rating c. Move Rating d. Block Unrated TV (NO/Yes) e. Access Code Edit HDMI MODE: A. Picture Adjust: a. Picture Mode (Standard/Movie /Game / Custom) b. Backlight (0~100) c. Contrast (0~100) d. Brightness (0~100) e.

Summary of the content on the page No. 13

C. Special Features: a. Language (English/Français/Espa ňol) b. Sleep Timer (OFF/30Min/60Min/90Min/120Min) c. PIP Position (TL/TC/TR/ML/MR/BL/BC/BR) d. Rest All Setting CONFIDENTIAL – DO NOT COPY Page 3-5 File No. SG-0198

Summary of the content on the page No. 14

Chapter4 Factory preset timings This timing chart is already preset for the TFT LCD analog & digital display monitors. Refresh Horizontal Vertical Horizontal Vertical Pixel Resolution rate Frequency Frequency Polarity Polarity Rate 640x480 60Hz 31.5kHz 59.94Hz N N 25.175 640x480 75Hz 37.5kHz 75.00Hz N N 31.500 800X600 60Hz 37.9kHz 60.317Hz P P 40.000 800x600 75Hz 46.9kHz 75.00Hz P P 49.500 800X600 85Hz 53.7kHz 85.06Hz P P 56.250 1024x768 60Hz 48.4kHz 60.01Hz N N 65.000 1024X768 75

Summary of the content on the page No. 15

Chapter 5 Pin Assignment The TFT LCD analog display monitors use a 15 Pin Mini D-Sub connector as video input source. Pin Description 1 Red 2 Green 3 Blue 4 Ground 5 Ground 6 R-Ground 7 G-Ground 8 B-Ground 9 +5V for DDC 10 Ground 11 No Connection 12 (SDA) 13 H-Sync (Composite Sync) 14 V-Sync 15 (SCL) 1 5 6 10 11 15 CONFIDENTIAL – DO NOT COPY Page 5-1 File No. SG-0198

Summary of the content on the page No. 16

HDMI CONNECT PIN ASSIGNMENT PIN SIGNAL ASSIGNMENT 1 TMDS Data2+ 2 TMDS Data2 Shield 3 TMDS Data2- 4 TMDS Data1+ 5 TMDS Data1 Shield 6 TMDS Data1- 7 TMDS Data0+ 8 TMDS Data0 Shield 9 TMDS 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 CONFIDENTIAL – DO NOT COPY Page 5-2 File No. SG-0198

Summary of the content on the page No. 17

Four-Pin mini DIN S-Video Connector a. Pin Assignment b. Signal Level Video (Y): Analog 0.1Vp-p/75 Ω Video (C): Analog 0.286p-p/75 Sync (H+V): 0.3V below Video (Y) c. Frequency H: 15.734KHz V: 60Hz (NTSC) Signal Level Video (Y) : Analog 0.1Vp-p/75 Ω Video (C) : Analog 0.286p-p/75 Ω Sync (H+V): 0.3V below Video (Y) Frequency H: 15.734Khz V: 60HZ (NTSC) F-Type TV RF connector a. Signal Level 60dBµV typ

Summary of the content on the page No. 18

RGB Signal: a. Sync Type TTL (Separate / Composite) or Sync. On Green b. Sync polarity Positive or Negative c. Video Amplitude RGB: 0.7Vp-p d. Frequency H: support to 30K~70KHz V: support to 50~85Hz Pixel Clock: support to 110MHz HDMI Signal (HDMI): a. Pin Assignment Refer to HDNI Pin Assignment b. Type A c. Polarity Positive or Negative d. 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) Co

Summary of the content on the page No. 19

Chapter 6 Main Board I/o Connections J6 CONNECTION (TOP →BOTTOM) Pin Description 1 “+5V” 2 “+3.3V” 3 “ADCKEY” 4 “LED” 5 “PWR KEY” 6 “GND” 7 “GND” 8 “IR” J7 CONNECTION (TOP →BOTTOM) Pin Description 1 “POWRSW” 2 “+12V” 3 “+12V” 4 “+12V” 5 “GND” 6 “GND” 7 “GND” 8 “GND” 9 “GND” 10 “+5V” 11 “+5V” 12 +5V 13 “PWM” 14 “BL ON/OFF” CONFIDENTIAL – DO NOT COPY Page 6-1 File No. SG-0198

Summary of the content on the page No. 20

Chapter 7 Theory of Circuit Operation The operation of D-SUB 15pin route The D-SUB 15pin is input analog signal to the MTK8202 transfer A/D converter then generates the vertical and horizontal timing signals for display device. The operation of HDMII CON route The HDMI 1&2 CON is input digital signal to the PI3HDMI412FT switch output signal is process to the MT8293. Then transfer to the MTK8202, the MTK8202 generates the vertical and horizontal timing signals for display device. The


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