Vizio GV46LHDTV10A Manuel de service télécharger pdf (Page 29)

CONFIDENTIAL – DO NOT COPY

Page 6-1

File No. SG-0176

Chapter 6 Block Diagram

The TV system block diagram is powered by power board that transforms AC source

of 100V~240V AC +/- 10% @ 50/60 HZ into DC 5V & 12V& 24Vsource. The main

board receives different types of video signal into the MTK8205 Ic. Afterward, the

MTK8205 Ic process the signals control the various functions of the monitor and

outputs control signal, video signal and power to the 37” WXGA panel to be

displayed.

The power send to the panel is first processed by the inverter.

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Service Manual 1
Table of Contents 2
Chapter 1 Features 4
Chapter 2 Specification 5
Page 2-3 7
10~90%RH (Non-condensing) 9
959.9mm 10
311.0mm 10
748.4mm 10
25.9kgs 10
Page 2-7 11
Main unit button 12
TV Source 12
PC Analog Mode 13
DIGITAL HD MODE 14
Video Sources 15
DTV Sources 16
Page 3-6 17
Page 3-7 18
Page 3-8 19
Page 3-9 20
Page 4-1 21
Chapter5 Pin Assignment 22
Page 5-3 24
Page 5-4 25
Chapter 6 Block Diagram 29
Page 6-2 30
Main Board Block Diagram 31
Video Board Block Diagram 32
J7 CONNECTION (TOP→BOTTOM) 33
J1 CONNECTION (TOP→BOTTOM) 33
CONNECTION (TOP→BOTTOM) 34
MT8205 Application 38
Page 8-3 39
Page 8-4 40
Page 8-5 41
(480i~1080i) F 43
(480i~1080i) G 43
(HDMI) H 43
Page 8-8 44
Page 8-9 45
Page 8-10 46
Page 8-14 50
Page 8-16 52
Page 8-17 53
MT5111 Application: 57
Page 8-22 58
MT5351 Application : 59
Page 8-24 60
Page 8-25 61
Page 8-26 62
Page 8-27 63
STANDBY MODE 69
RESET OPERATION 69
WRITE PROTECT (WP) 70
WRITE OPERATION STATUS 70
Fig D. READ TIMING WAVEFORMS 72
Fig E. RESET TIMING WAVEFORM 73
Functional Description 74
Block Diagram (16Mb x 16) 75
Mode Register Operation 77
Extended Mode Register 78
Truth Table a: Commands 79
Auto Refresh 80
Self Refresh 80
Operations : 81
Read Command 83
Write Command 84
Data Input (Write) 85
Data Output (Read) 85
WM8776 Application 85
1. Audio sample rate 86
Page 8-51 87
Page 8-52 88
Sil9011 Application 89
1. TMDS Digital Core 90
2C BUS developed for use in 91
BLOCK DIAGRAM 92
2. Switch control table 93
TDA8946 Application 94
2. Output power measurement 95
3. Mode selection 96
Chapter 9 Waveforms 97
Page 9-2 98
Page 9-3 99
CONFIDENTIAL – DO NOT COPY 100
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File No. SG-0176 100
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U20 input correct? 121

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Vizio GV46LHDTV10A Manuel de service Page 29

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