No Picture, No picture from Video source

Troubleshooting

No Picture

The possible causes of No Picture are listed below. Please check following and refer to the chapter “Inputs & video sig- nal processing stage”, “LCD panel driving stage” in the Chassis Block Diagrams on the previous page.

1.No picture from Video source

Composite Video Input

Check that the composite video signal is observed at the following points;

Pin 16 of K8D, pins 4, 3 of IC141, pin 4 of IC1141, pin 88 of IC1101 (NTSC), pin 7 of IC2101 (PAL) on the Main Board.

Check that the Y/C signals are observed at the following points;

Pins 83, 84 of IC1101, pins 1, 13 of IC1141(NTSC), pins 25, 27 of IC2101, pins 2 12 of IC1141 (PAL), pins 15, 14 of IC1141, pins 5, 7 of IC3101.

S-Video Input

Check that the Y/C signals are observed at the following points;

Pins 14 (Y), 12(C) of K20Q and K8D, pins 43, 44 of IC3101.

Component Input

Check that the component signals are observed at the following points;

Pins 4 (CR), 6 (CB), 8 (Y) on K20Q and K8D, pins 17, 18, 19 of IC3101, pins 73, 74, 75 of IC4101.

All of video signals

Check that the RGB signals are observed at the following points;

Pin 35, 37, 39 of IC4101, TP13R, TP13G, TP13B, pins 11, 13, 15 of IC3201.

Check that the SYNC signals are observed at the follow- ing points;

Pins 28, 29 of IC4101, pins 1, 2 of IC6181, test points TPVD, TPHD, pins 13, 15 , 7, 5 of IC4281.

3.No picture from DVI source.

Check 5V power supply(5VDVI) at pins 6 and 7 of K10R and K26D on the power DC board.

Check Sync signal at pins 2, 4, 16, 18 of IC8001.

Check ICs IC8001, IC8061, IC8071, IC8081 and peripher- al circuits.

4.No picture from all of sources

Check RGB S&H signals at test points TP501, TP531, and TP561.

Check that the SYNC signals are observed at test point TPDHS and TPDVS, pins 7 and 8 of IC401.

Check NRS signal at test point TP2531, TP2561.

Check power supply circuit 15.5V and 15VP and peripher- al circuit.

Check ICs IC501, IC531, IC561, IC3501, IC3531, IC3561, IC2531, IC2561, IC401 and peripheral circuits.

2. No picture from Computer source

Check that the RGB signals are observed at the following points;

Pins 1, 3, 5 of IC3001 for Computer2 mode, pins 8, 10, 13 of IC3001 for Computer1 mode, pins 20, 18, 16 of IC3001, test points TP21R, TP21G, TP21B, pins 5, 13, 20 of IC201.

Check PC1/PC2 switching signal is correct. Computer1: Low, Computer2 High on pin 22 of IC3001.

Check that the SYNC signals are observed at the follow- ing points;

Pins 8, 3, 1, 6 of IC3021 and IC3022, pins 2, 5, 13, 11 of IC7201, test points TP814, TP815, pins 2, 4, 18, 16 of IC8041, test points THGHS, TPGVS, pins 34, 133 of IC301.

Check PC1/PC2 switching signal is correct. Computer1: Low, Computer2 High on pin 2 of IC3021 and IC3022.

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LC-XG210 specifications

The Eiki LC-XG210 is a high-performance LCD projector designed for professional presentations and educational use. This projector stands out due to its impressive brightness, exceptional image quality, and versatile connectivity options, making it an ideal choice for a variety of settings, including classrooms, conference rooms, and auditoriums.

One of the primary features of the Eiki LC-XG210 is its remarkable brightness, with a lumen output of 3,200 ANSI lumens. This high brightness level ensures that presentations remain vibrant and clear, even in well-lit environments. Coupled with a native resolution of XGA (1024 x 768 pixels), the projector delivers sharp text and detailed images, making it suitable for displaying both graphics and video footage.

The LC-XG210 utilizes advanced 3LCD technology, which ensures accurate color reproduction and enhanced color brightness. This technology provides a wide color gamut, allowing users to enjoy rich and lifelike colors without any noticeable color distortion. The projector also features a high contrast ratio, contributing to deeper blacks and more vivid images, further enhancing the overall viewing experience.

Connectivity is a crucial aspect of the Eiki LC-XG210, and it excels in this area with a range of input options. It includes multiple VGA inputs, composite and S-Video inputs, as well as a USB port for easy connection to computers and other devices. This flexibility allows users to seamlessly switch between different sources without the need for additional adapters.

Additionally, the projector is equipped with a powerful built-in speaker that delivers clear audio, eliminating the need for external sound systems in smaller venues. Its lightweight and portable design make it easy to transport, enabling users to set it up quickly in various locations.

The Eiki LC-XG210 also boasts a user-friendly interface and advanced features such as automatic keystone correction, which simplifies the setup process by automatically adjusting the image to fit the screen perfectly. This projector is designed for reliability and longevity, evident in its long lamp life of up to 5,000 hours in eco mode, reducing maintenance costs and enhancing overall value.

In summary, the Eiki LC-XG210 is a versatile and powerful projector that combines high brightness levels, advanced LCD technology, and extensive connectivity options. These features make it an excellent choice for any professional or educational environment, ensuring outstanding image quality and reliability for diverse presentation needs.

Eiki LC-XG210 service manual No Picture, No picture from Video source, No picture from DVI source

Models: LC-XG210