BBK LCD19W57 - Table of Contents

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LCD TV Service Manual

Contents

Contents................................................................................................................................................................- 2 -

Service Manual ....................................................................................................................................................- 3 -

1. Precautions and notices..............................................................................................................................- 3 -

1.1 WARNING ......................................................................................................................................- 4 -

1.2 NOTES ............................................................................................................................................- 7 -

2. Product Function Specifications..............................................................................................................- 10 -

3. LCD Panel Spec.......................................................................................................................................- 11 -

3.1 LCD19W57：................................................................................................................................- 11 -

3.2 LCD26W57：................................................................................................................................- 12 -

3.3 LCD32W57 ...................................................................................................................................- 12 -

General Features..................................................................................................................................- 13 -

4. Chassis Layout and Overall Wiring Diagrams ........................................................................................- 14 -

4.1 Chassis Layout...............................................................................................................................- 14 -

4.4 Wires and Cables Overall Wiring Diagrams .................................................................................- 15 -

5. Factory/Service OSD Menu and Adjustment...........................................................................................- 18 -

5.1 To enter the Factory OSD Menu....................................................................................................- 18 -

5.2 Factory OSD Menu........................................................................................................................- 18 -

6. Software Upgrading.................................................................................................................................- 22 -

6.1 Get ready for upgrading.................................................................................................................- 22 -

6.2 Upgrading with the ISP_TOOL4.0.9.............................................................................................- 31 -

7. Troubleshooting.......................................................................................................................................- 36 -

7.1 Troubleshooting for Remote Control.............................................................................................- 36 -

7.2 Troubleshooting for Function Key.................................................................................................- 37 -

7.3 TV won’t Power On.......................................................................................................................- 38 -

7.4 Troubleshooting for Audio.............................................................................................................- 39 -

7.5 Troubleshooting for TV/VGA/HDMI input...................................................................................- 40 -

7.6 Troubleshooting for YPbPr input...................................................................................................- 41 -

7.7 Troubleshooting for Video/S-Video/ SCART input.......................................................................- 42 -

8. Explode View...........................................................................................................................................- 43 -

9 Schematic circuit diagram ........................................................................................................................- 43 -