Vizio GV42L HDTV, L42HDTV10A service manual

Service Manual

V, Inc

320A Kalmus Drive Costa Mesa, CA 92626

TEL : +714-668-0588 FAX :+714-668-9099

Top Confidential

Model #: VIZIO L42HDTV10A

VIZIO GV42L HDTV

Contents

Main Service Manual Top Confidential Model #: VIZIO L42HDTV10A VIZIO GV42L HDTV Table of Contents VINC Service Manual Chapter 1 Features Chapter 2 Specification Page Page Page Chapter 3 On Screen Display Main unit button TV Source RGB Mode AV COMPONENT MODE HDMI MODE Page Chapter4 Factory preset timings This timing chart is already preset for the TFT LCD analog & digital display monitors. Chapter 5 Pin Assignment The TFT LCD analog display monitors use a 15 Pin Mini D-Sub connector as video input source. Page Page Page Chapter 6 Main Board I/o Connections Chapter 7 Theory of Circuit Operation Page a. Input Multiplexing b. Input formats: Page 9.Supporting OSD mirror and upside down 1. The I/O ports are configured as follows Page Page Page Page Page Page Page Page Page Page Page MX29LV160BTTC (Flash) Application Page Page Page Page 1. Audio sample rate Page Page Page Page Page Page Page Page General Feature List : Page 3. Support DDR266 , DDR333 , DDR400 , JEDEC specification compliant SDRAM. 2. 3.3V/1.2V dual Voltage. MX29LV320BTTC (Flash) Application : Page Page BUS OPERATION--1 BUS OPERATION--2 WRITE COMMANDS/COMMAND SEQUENCES TABLE A. MX29LV320AT/B COMMAND DEFINITIONS Legend: Notes: STANDBY MODE WRITE PROTECT (WP) SOFTWARE COMMAND DEFINITIONS : WRITE OPERATION STATUS Table B. Write Operation Status Page Page DDR SDRAM (NT5DS16M16CS-5T) Application: Block Diagram (16Mb x 16) Page Mode Register Operation Operating Mode Extended Mode Register Extended Mode Register Definition Truth Table a: Commands Active Read Write Auto Refresh Self Refresh Operations: Random Read Accesses: CAS Latencies (Burst Length = 2, 4 or 8) Read Command Write Command Page Chapter8 Waveforms Page Page Page Page Page Page Page Page Page Page Page Page Page Chapter 9 Trouble shooting Page Page Page CONFIDENTIAL DO NOT COPY Page 9-5 File No. SG-0198 TROUBLE Start The voltage is about + 5V 1.Check power board 2.Check power cable connection J7 END Page Chapter 10 Block Diagram