Service Manual
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On Screen Display 4. Factory Preset Timings 5. Pin Assignment 6. Waveforms 10. Main Board Circuit Diagram 2. Main Board PCB Layout 3. Main Board I/O Connections 8. Theory of Contents CONTENTS Sections 1. Trouble Shooting 11.Spare Parts List 12. Table of Circuit Operation 9. BLOCK DIAGRAM 7. Assembly Explosion Drawing Block Diagram PAGE 1-1 2-1 3-1 4-1 5-1 6-1 7-1 8-1 9-1 10-1 11-1 12-1 VIZIO P42HDTV10A Service Manual Complete Parts List Appendix 1. Features 2. Specifications 3.
On Screen Display 4. Factory Preset Timings 5. Pin Assignment 6. Waveforms 10. Main Board Circuit Diagram 2. Main Board PCB Layout 3. Main Board I/O Connections 8. Theory of Contents CONTENTS Sections 1. Trouble Shooting 11.Spare Parts List 12. Table of Circuit Operation 9. BLOCK DIAGRAM 7. Assembly Explosion Drawing Block Diagram PAGE 1-1 2-1 3-1 4-1 5-1 6-1 7-1 8-1 9-1 10-1 11-1 12-1 VIZIO P42HDTV10A Service Manual Complete Parts List Appendix 1. Features 2. Specifications 3.
Service Manual
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The main board receives different types of video signal into system request power source. CONFIDENTIAL - DO NOT COPY Page 6-1 File No. Afterward, the MTK8205 Ic process the signals control the various functions of the monitor and outputs control signal, video signal and power to the 42''PDP XGA panel to be displayed. Chapter 6 Block Diagram 42'' PDP XGA panel The TV system block diagram is powered by power board that transforms AC source of 100V~240V AC +/- 10% @ 50/60 HZ into the MTK8205 Ic. SG-0184
The main board receives different types of video signal into system request power source. CONFIDENTIAL - DO NOT COPY Page 6-1 File No. Afterward, the MTK8205 Ic process the signals control the various functions of the monitor and outputs control signal, video signal and power to the 42''PDP XGA panel to be displayed. Chapter 6 Block Diagram 42'' PDP XGA panel The TV system block diagram is powered by power board that transforms AC source of 100V~240V AC +/- 10% @ 50/60 HZ into the MTK8205 Ic. SG-0184
Service Manual
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The analog audio of s-video, YPbPr, TV, PC and A/V is processes to the tuner and output to MT5111 who handle ATSC input to match MPEG-2 package, then transfer to MT5351. All functions are controllable by the main board. CONFIDENTIAL - SG-0184 The DTV signal is transmitting to digital port of MT8205 . Plus, all... purpose is must transmitting to sil9011 processed then TMDS signal to control volume, bass, treble, surround, and balance. The analog video signals of S-video, YPbPr, TV, PC and A/V all functions in the IC boards are programmable using I2C Bus.
The analog audio of s-video, YPbPr, TV, PC and A/V is processes to the tuner and output to MT5111 who handle ATSC input to match MPEG-2 package, then transfer to MT5351. All functions are controllable by the main board. CONFIDENTIAL - SG-0184 The DTV signal is transmitting to digital port of MT8205 . Plus, all... purpose is must transmitting to sil9011 processed then TMDS signal to control volume, bass, treble, surround, and balance. The analog video signals of S-video, YPbPr, TV, PC and A/V all functions in the IC boards are programmable using I2C Bus.
Service Manual
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DO NOT COPY Description "POWRSW" "+12V" "+12V" "+12V" "GND" "GND" "GND" "GND" "+5V" "+5V" "+5V" "RLY_ON" "VS_ON" Page 7-1 File No. Chapter7 Main Board I/o Connections J7 CONNECTION (TOP→BOTTOM) Pin 1 2 3 4 5 6 7 8 9 10 11 12 Description "Auto" "Left" "Right" "Down" "Gnd" "Up" "Menu" "Source" "Power" "LED" "IR" "+5V" J1 CONNECTION (TOP→BOTTOM) Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 CONFIDENTIAL - SG-0184
DO NOT COPY Description "POWRSW" "+12V" "+12V" "+12V" "GND" "GND" "GND" "GND" "+5V" "+5V" "+5V" "RLY_ON" "VS_ON" Page 7-1 File No. Chapter7 Main Board I/o Connections J7 CONNECTION (TOP→BOTTOM) Pin 1 2 3 4 5 6 7 8 9 10 11 12 Description "Auto" "Left" "Right" "Down" "Gnd" "Up" "Menu" "Source" "Power" "LED" "IR" "+5V" J1 CONNECTION (TOP→BOTTOM) Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 CONFIDENTIAL - SG-0184
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...for display device. SG-0184 Chapter 8 Theory of Circuit Operation The operation of D-SUB 15pin route The D-SUB 15pin is transmission signal to main board MM1492 (Switch) and output to MTK8205 the MTK8205 generates the vertical and horizontal timing signals for display device. The operation of operation. They are ... output to SIF circuit and output to MTK8205.Then MTK8205 process to wm8776 and output to TDA8946J transfer to speaker The operation of TV route TV signal is processes to the tuner and output to MT5111 who handle ATSC input to match MPEG-2 package, then transfer to MTK8205 ...
...for display device. SG-0184 Chapter 8 Theory of Circuit Operation The operation of D-SUB 15pin route The D-SUB 15pin is transmission signal to main board MM1492 (Switch) and output to MTK8205 the MTK8205 generates the vertical and horizontal timing signals for display device. The operation of operation. They are ... output to SIF circuit and output to MTK8205.Then MTK8205 process to wm8776 and output to TDA8946J transfer to speaker The operation of TV route TV signal is processes to the tuner and output to MT5111 who handle ATSC input to match MPEG-2 package, then transfer to MTK8205 ...
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... will transits to high state and the MTK8205 start to work that the Reset will reset the MTK8205 to initial state. The execution speed of TV board and panel Backlight Adjustmance Select mute RCA out mute S-video Detect HDMI SCDT YCBCRSEL Backlight ON/OFF HDMI CAB CONFIDENTIAL - DO NOT COPY Page 8-6 File...
... will transits to high state and the MTK8205 start to work that the Reset will reset the MTK8205 to initial state. The execution speed of TV board and panel Backlight Adjustmance Select mute RCA out mute S-video Detect HDMI SCDT YCBCRSEL Backlight ON/OFF HDMI CAB CONFIDENTIAL - DO NOT COPY Page 8-6 File...
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N0 1. Is Power board output +5V? 2. Check video cable 2. N0 1.Is U9 working good? 2.Is U11&U12 working good? 3.IS U10 working ok? Check P3 D-sub Input correct END ...
N0 1. Is Power board output +5V? 2. Check video cable 2. N0 1.Is U9 working good? 2.Is U11&U12 working good? 3.IS U10 working ok? Check P3 D-sub Input correct END ...
Service Manual
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... U7 pin 5 6 7 8 Ye U4 pin2 Ye U6 pin 3 Ye U14 pin2 Ye U5 pin2 U13 pin2 END The voltage is about + 5V N0 1.Check power board 2.Check power cable connection J1 N0 The voltage is about + 12V while power switch on 1.J1 connection good 2.Check U9 GPIO Pin 3.Check power... board N0 The voltage is about +5V while power switch on 1.Check J1 Connect 2.Check U13 CONFIDENTIAL - SG-0184 Check U9 GPIO Pin N0 The voltage ...
... U7 pin 5 6 7 8 Ye U4 pin2 Ye U6 pin 3 Ye U14 pin2 Ye U5 pin2 U13 pin2 END The voltage is about + 5V N0 1.Check power board 2.Check power cable connection J1 N0 The voltage is about + 12V while power switch on 1.J1 connection good 2.Check U9 GPIO Pin 3.Check power... board N0 The voltage is about +5V while power switch on 1.Check J1 Connect 2.Check U13 CONFIDENTIAL - SG-0184 Check U9 GPIO Pin N0 The voltage ...