VINC VIZIO GV42LFHDTV10A_AUO 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 L42HDTV1

CONFIDENTIAL – DO NOT COPY Page 3-2 File No. SG-0198 C. Special Features： a. Language (English/Français/Espaňol) b. Sleep Timer (OFF/30Min/60Min/90Mi

CONFIDENTIAL – DO NOT COPY Page 3-3 File No. SG-0198 B. Audio Adjust： a. Volume (0~100) b. Bass (0~100) c. Treble (0~100) d. Balance (0~100) e. Surro

CONFIDENTIAL – DO NOT COPY Page 3-4 File No. SG-0198 C. Special Features： a. Language (English/Français/Espaňol) b. Sleep Timer (OFF/30Min/60Min/90Mi

CONFIDENTIAL – DO NOT COPY Page 3-5 File No. SG-0198 C. Special Features： a. Language (English/Français/Espaňol) b. Sleep Timer (OFF/30Min/60Min/90Mi

CONFIDENTIAL – DO NOT COPY Page 4-1 File No. SG-0198 Chapter4 Factory preset timings This timing chart is already preset for the TFT LCD analog &

CONFIDENTIAL – DO NOT COPY Page 5-1 File No. SG-0198 Chapter 5 Pin Assignment The TFT LCD analog display monitors use a 15 Pin Mini D-Sub connector a

CONFIDENTIAL – DO NOT COPY Page 5-2File No. SG-0198 HDMI CONNECT PIN ASSIGNMENT PIN SIGNAL ASSIGNMENT 1 TMDS Data2+ 2 TMDS

CONFIDENTIAL – DO NOT COPY Page 5-3File No. SG-0198 Four-Pin mini DIN S-Video Connector a. Pin Assignment

CONFIDENTIAL – DO NOT COPY Page 5-4File No. SG-0198 RGB Signal: a. Sync Type TTL (Separate / Composite) or Sync. On Green

CONFIDENTIAL – DO NOT COPY Page 6-1 File No. SG-0198 Chapter 6 Main Board I/o Connections J6 CONNECTION (TOP→BOTTOM) Pin Description 1 “+5V” 2 “+

VIZIO L42HDTV10A,GV42L HDTV Service Manual Table of Contents CONTENTS PAGE Sections 1. Features 1-1 2. Specifications 2-1 3. On Screen

CONFIDENTIAL – DO NOT COPY Page 7-1 File No. SG-0198 Chapter 7 Theory of Circuit Operation The operation of D-SUB 15pin route The D-SUB 15pin is in

CONFIDENTIAL – DO NOT COPY Page 7-2 File No. SG-0198 MT8202 Application MT8202 is a highly integrated video and audio single chip processor for emerg

CONFIDENTIAL – DO NOT COPY Page 7-3 File No. SG-0198 1. Video input a. Input Multiplexing 1.component X2 2.composite X2 3.s-videoX1 4.HDMI X2 5.VGA X

CONFIDENTIAL – DO NOT COPY Page 7-4 File No. SG-0198 VGA 1.Supporting various VGA input timings up to SXGA (1280x1024@75Hz). 2.Supporting Separate

CONFIDENTIAL – DO NOT COPY Page 7-5 File No. SG-0198 BOLOCK DIAGRAM 4. 2D-Graphic/OSD processor Embedded two backend RGB domain OSD planes and one

CONFIDENTIAL – DO NOT COPY Page 7-6 File No. SG-0198 5. Microprocessor interface When power is supplied and power key is pressed then the rest circui

CONFIDENTIAL – DO NOT COPY Page 7-7 File No. SG-0198 6. Video processor 1.Color Management Fully 10-bit processing to enhance the video quality

CONFIDENTIAL – DO NOT COPY Page 7-8 File No. SG-0198 6.Seamless performance comparing demonstration function Support Left/Right video processing

CONFIDENTIAL – DO NOT COPY Page 7-9 File No. SG-0198 8.DDR SDRAM (V58C2128164SBI5) Application

CONFIDENTIAL – DO NOT COPY Page 7-10 File No. SG-0198 Pin description

VINC Service Manual VIZIO L42HDTV10A,GV42L HDTV VIZIO L42HDTV10A,GV42L HDTV Service Manual COPYRIGHT © 2000 V, I

CONFIDENTIAL – DO NOT COPY Page 7-11 File No. SG-0198 Command Truth Table 1. Power-Up Functional Description The following sequence is required for

CONFIDENTIAL – DO NOT COPY Page 7-12 File No. SG-0198 2. Mode Register Set (MRS) The mode register stores the data for controlling the various oper

CONFIDENTIAL – DO NOT COPY Page 7-13 File No. SG-0198 3. Precharge The Auto Precharge operation can be issued by having column address A10 hi

CONFIDENTIAL – DO NOT COPY Page 7-14 File No. SG-0198 4. Bank Activate Command The Bank Activate command is issued by holding CAS and WE high with

CONFIDENTIAL – DO NOT COPY Page 7-15 File No. SG-0198 5. Read Operation With the DLL enabled, all devices operating at the same frequency within a sy

CONFIDENTIAL – DO NOT COPY Page 7-16 File No. SG-0198 7.Precharge Timing During Write Operation Precharge timing for Write operations in DRAMs requir

CONFIDENTIAL – DO NOT COPY Page 7-17 File No. SG-0198 9. Burst Write Operation The Burst Write command is issued by having CS, CAS, and WE low whi

CONFIDENTIAL – DO NOT COPY Page 7-18 File No. SG-0198 MX29LV160BTTC (Flash) Application The MX29LV800T/B & MX29LV800AT/AB is a 8-mega bit Flas

CONFIDENTIAL – DO NOT COPY Page 7-19 File No. SG-0198 BLOCK DIAGRAM 1. COMMAND DEFINITIONS Device operations are selected by writing specific addre

CONFIDENTIAL – DO NOT COPY Page 7-20 File No. SG-0198 2. WRITE COMMANDS/COMMAND SEQUENCES To program data to the device or erase sectors of memory,

CONFIDENTIAL – DO NOT COPY Page 1-1 File No. SG-0198 Chapter 1 Features 1. Built in TV channel selector for TV viewing. 2. Simulatnueous dis

CONFIDENTIAL – DO NOT COPY Page 7-21 File No. SG-0198 Figure 1 3. READ/RESET COMMAND The read or reset operation is initiated by writing the read/r

CONFIDENTIAL – DO NOT COPY Page 7-22 File No. SG-0198 4. READING ARRAY DATA The device is automatically set to reading array data after device power-

CONFIDENTIAL – DO NOT COPY Page 7-23 File No. SG-0198 BLOCK DIAGRAM 1. Audio sample rate The master clock forWM8776 supports DAC and ADC audio sampl

CONFIDENTIAL – DO NOT COPY Page 7-24 File No. SG-0198 2. DIGITAL AUDIO INTERFACE 1. Slave mode The audio interfaces operations in either slave mode

CONFIDENTIAL – DO NOT COPY Page 7-25 File No. SG-0198 The wm8776 has two possible device addresses, which can be selected using the CE pin In the L3

CONFIDENTIAL – DO NOT COPY Page 7-26 File No. SG-0198 MT8293 Application The MT8293 provides a complete solution for receiving HDMI compliant digital

CONFIDENTIAL – DO NOT COPY Page 7-27 File No. SG-0198 1. TMDS Digital Core The core performs 10-to-8-bit TMDS decoding on the audio and video recei

CONFIDENTIAL – DO NOT COPY Page 7-28 File No. SG-0198 The receiver can also process the video data before it is output as show below figure 5. I2c

CONFIDENTIAL – DO NOT COPY Page 7-29 File No. SG-0198 Block diagram 1. Input configuration The TDA8946AJ inputs can be driven symmetrical (floating

CONFIDENTIAL – DO NOT COPY Page 7-30 File No. SG-0198 2. Output power measurement The output power as a function of the supply voltage is measure

CONFIDENTIAL – DO NOT COPY Page 2-1 File No. SG-0198 Chapter 2 Specification 1. LCD CHARACTERISTICS Type: 42.0 WXGA TFT LCD Size: 42.02inch Display

CONFIDENTIAL – DO NOT COPY Page 7-31 File No. SG-0198 3. Mode selection In the L32 LCD TV TDA8946AJ has two functional modes, which can be selected b

CONFIDENTIAL – DO NOT COPY Page 7-32 File No. SG-0198 General Feature List : 1 . Host CPU: 1. ARM 926EJ 2.16K I-Cache and 16K D-Cache

CONFIDENTIAL – DO NOT COPY Page 7-33 File No. SG-0198 7 . Video Processing : 1. Advanced Motion adaptive de-interlace on SDTV resolution. 2.

CONFIDENTIAL – DO NOT COPY Page 7-34 File No. SG-0198 12 . DRAM Controller : 1. Support 64Mb to 1Gb DDR DRAM devices. 2. Configurable 32/

CONFIDENTIAL – DO NOT COPY Page 7-35 File No. SG-0198 16 . IC Outline : 1. 471 Pin BGA Package. 2. 3.3V/1.2V dual Voltage. MX29LV320BTTC (F

CONFIDENTIAL – DO NOT COPY Page 7-36 File No. SG-0198

CONFIDENTIAL – DO NOT COPY Page 7-37 File No. SG-0198 BLOCK DIAGRAM

CONFIDENTIAL – DO NOT COPY Page 7-38 File No. SG-0198 BUS OPERATION--1 Legend: L=Logic LOW=VIL, H=Logic High=VIH, VID=12.0 0.5V, V　 HH=11.5-12.5V,

CONFIDENTIAL – DO NOT COPY Page 7-39 File No. SG-0198 BUS OPERATION--2 Notes: 1.Code=00h means unprotected, or code=01h protected. 2.Code=99 means

CONFIDENTIAL – DO NOT COPY Page 7-40 File No. SG-0198 TABLE A. MX29LV320AT/B COMMAND DEFINITIONS Legend: X=Don't care RA=Address of the memory

CONFIDENTIAL – DO NOT COPY Page 2-2 File No. SG-0198 6.Speaker Output 10W (max) X2 7. ENVIRONMENT 5-1. Operating Temperature: 5c~35c (Ambient) 5-2.

CONFIDENTIAL – DO NOT COPY Page 7-41 File No. SG-0198 STANDBY MODE MX29LV320AT/B can be set into Standby mode with two different approaches. One is u

CONFIDENTIAL – DO NOT COPY Page 7-42 File No. SG-0198 If RESET is asserted during a program or erase operation, the RY/BY pin remains a "0"

CONFIDENTIAL – DO NOT COPY Page 7-43 File No. SG-0198 WRITE OPERATION STATUS The device provides several bits to determine the status of a write oper

CONFIDENTIAL – DO NOT COPY Page 7-44 File No. SG-0198 Fig C. COMMAND WRITE OPERATION Fig D. READ TIMING WAVEFORMS

CONFIDENTIAL – DO NOT COPY Page 7-45 File No. SG-0198 Fig E. RESET TIMING WAVEFORM

CONFIDENTIAL – DO NOT COPY Page 7-46 File No. SG-0198 DDR SDRAM (NT5DS16M16CS-5T) Application: Functional Description The 256Mb DDR SDRAM is a high-s

CONFIDENTIAL – DO NOT COPY Page 7-47 File No. SG-0198 Pin Configuration - 400mil TSOP II (x4 / x8 / x16)

CONFIDENTIAL – DO NOT COPY Page 7-48 File No. SG-0198 Mode Register Operation Operating Mode The normal operating mode is selected by issuing a Mod

CONFIDENTIAL – DO NOT COPY Page 7-49 File No. SG-0198 Extended Mode Register The Extended Mode Register controls functions beyond those controlled by

CONFIDENTIAL – DO NOT COPY Page 7-50 File No. SG-0198 Truth Table a: Commands 1. CKE is high for all commands shown except Self Refresh. 2. BA0, BA1

CONFIDENTIAL – DO NOT COPY Page 2-3 File No. SG-0198 (6) Do not touch, push or rub the exposed polarizes with glass, tweezers or anything harder than

CONFIDENTIAL – DO NOT COPY Page 7-51 File No. SG-0198 Read The Read command is used to initiate a burst read access to an active (open) row. The valu

CONFIDENTIAL – DO NOT COPY Page 7-52 File No. SG-0198 The procedure for exiting self refresh requires a sequence of commands. CK (and CK) must be sta

CONFIDENTIAL – DO NOT COPY Page 7-53 File No. SG-0198 Random Read Accesses: CAS Latencies (Burst Length = 2, 4 or 8)

CONFIDENTIAL – DO NOT COPY Page 7-54 File No. SG-0198 Read Command Writes Write bursts are initiated with a Write command, as shown in timing figu

CONFIDENTIAL – DO NOT COPY Page 7-55 File No. SG-0198 The time between the Write command and the first corresponding rising edge of DQS (tDQSS) is sp

CONFIDENTIAL – DO NOT COPY Page 7-56 File No. SG-0198 Data Input (Write) Data Output (Read)

CONFIDENTIAL – DO NOT COPY Page 8-1 File No. SG-0198 Chapter8 Waveforms PC MODE(1366X768 60HZ) CH1 H-sync (L21); CH2 V-sync (L22) CH1 GREEN (FB27

CONFIDENTIAL – DO NOT COPY Page 8-2 File No. SG-0198 CH1 GREEN+(C294) CH1 GREEN # (FB27); CH2 VGAVSYNC (L22)

CONFIDENTIAL – DO NOT COPY Page 8-3 File No. SG-0198 CH1 VGAL (R193); CH2 AVOL (R194) CH1 PC_L (CE70+) ; PC_L (CE70-)

CONFIDENTIAL – DO NOT COPY Page 8-4 File No. SG-0198 AV&TV MODE (AV1/AV2/TV) VIDEO CH1 CVBS2 (R169); CH2 AV2CVBS (C255) CH1 AV2L (R237); CH2 A

CONFIDENTIAL – DO NOT COPY Page 2-4 File No. SG-0198 9-3. HANDLING PRECAUTIONS FOR PROTECTION (1) The protection film is attached to the bezel with

CONFIDENTIAL – DO NOT COPY Page 8-5 File No. SG-0198 CH1 AV_L (U22 PIN13) ; CH2 AV_L (CE71-) CH1 AUSPL (R302);CH2 OUT2+5(J4 PIN4)

CONFIDENTIAL – DO NOT COPY Page 8-6 File No. SG-0198 CH1 DACBCLK (U23 PIN4); CH1 DACMCLK (U23 PIN5);

CONFIDENTIAL – DO NOT COPY Page 8-7 File No. SG-0198 CH1 DACLRCK (U23 PIN7) COMPONENT MODE (COMPONENT 1/2) CH1 COM_Y2 (L16); CH2 AVY1P (C269)

CONFIDENTIAL – DO NOT COPY Page 8-8 File No. SG-0198 CH1YCBCR_L2(L19) CH2 2A33 (U22 PIN11) CH1 AV_L (CE71+);CH2 AUSPL (R304)

CONFIDENTIAL – DO NOT COPY Page 8-9 File No. SG-0198 HDMI 1&2 CH1 RX1_2 (P11 PIN 1); CH2 DATA2+ (U31 PIN3) CH1 HDMIMCLK (U19 PIN 79) ;CH2 HDMI

CONFIDENTIAL – DO NOT COPY Page 8-10 File No. SG-0198 CH1 SOG_IN (U19 PIN4) CH1 HDMILRCK (U19 PIN75) CH2 HDMISDO (U19 PIN74)

CONFIDENTIAL – DO NOT COPY Page 8-11 File No. SG-0198 CH1 DDC_SDA (Q14 PIN3);CH2 DDC_SCL (Q13 PIN3) DTV HD CH1 VOB0 (RP35)

CONFIDENTIAL – DO NOT COPY Page 8-12 File No. SG-0198 CH1 AO1MCLK (DU9 PIN J1 ) CH2 AO1BCK (DU9 PIN J2) CH1 VOHSYNC (DU9 PIN V4)

CONFIDENTIAL – DO NOT COPY Page 8-13 File No. SG-0198 CH1 VOVSYNC (DU9 PIN W1) CH1 VODE (DU9 PIN W2)

CONFIDENTIAL – DO NOT COPY Page 8-14 File No. SG-0198 CH1 VOPCLK (DU9 PIN V3)

CONFIDENTIAL – DO NOT COPY Page 3-1 File No. SG-0198 Chapter 3 On Screen Display Main unit button Power MENU CH ▲ CH ▼ VOL + VOL - Input TV Sour

CONFIDENTIAL – DO NOT COPY Page 9-1 File No. SG-0198 N0 Yes N0 N0 Yes N0 N0 Yes Yes Yes Chapter 9 Trouble shooting MONITOR DISPLAY NOTHING (PC MODE)

CONFIDENTIAL – DO NOT COPY Page 9-2 File No. SG-0198 Yes N0 N0 N0 Yes Yes Yes N0 (TV, COMPOSITE VIDEO1, 2, S-VIDEO) IS NOT DISPLAY CORRECTLY

CONFIDENTIAL – DO NOT COPY Page 9-3 File No. SG-0198 N0 N0 N0 N0 Yes Yes Yes Yes (CO

CONFIDENTIAL – DO NOT COPY Page 9-4 File No. SG-0198 Yes Yes N0 N0 N0 Yes (HDMI) IS NOT DISPLAY CORRECTLY Input signal good? Start

CONFIDENTIAL – DO NOT COPY Page 9-5 File No. SG-0198 Yes N0 N0 Yes N0 N0 N0 N0 N0 Yes Yes Yes Yes TROUBLE OF DC-DC CONVERTER Start J7 PIN10,11,1

CONFIDENTIAL – DO NOT COPY Page 9-6 File No. SG-0198 N0 YesYesN0 TROUBLE OF DDC READING Start Analog DDC OK? Support DDC1/2B 1.Ana

CONFIDENTIAL – DO NOT COPY Page 10-1 File No. SG-0198 Chapter 10 Block Diagram System Block Diagram Digital

CONFIDENTIAL – DO NOT COPY Page 10-2 File No. SG-0198 The purpose is process the input audio signal to control volume, bass, treble, surround, and ba

CONFIDENTIAL – DO NOT COPY Page 10-3 File No. SG-0198 Main Board Block Diagram