Section 3

Electrical Adjustments

3-1. Preparations

3-1-1. Equipment Required

.Oscilloscope

Tektronix 2465 or equivalent

(bandwidth: 350 MHz or more)

.NTSC, PAL, SECAM component signal generator

Tektronix TG2000 + AVG1 (optional module) + AWVG1 (optional module) or equivalent

.VG (Programmable video signal generator) VG814 or equivalent

.Digital voltmeter

Advantest TR6845 or equivalent

.Luminance meter

Note: Perform the following adjustments at least 5 minutes after turning on the power.

3-1-2. Optical Unit Adjustment

Drive the cooling fan and turn on the lamp.

1) Mirror Adjustment

Set the screen size to 80-inch at the wide-end.

1.Set the unit in green-only.

2.Adjust the blanking sections at the top, bottom, left, and right for minimum by moving the adjusting plate of the G-channel mirror (OPT).

3.Tighten the adjusting plate fixing screws.

4.Set the unit in cyan.

5.Adjust the blanking sections at the top, bottom, left, and right for minimum by moving the adjusting plate of the B-channel mirror (OPT), and then maximize the intensity of the blue.

6.Tighten the adjusting plate fixing screws.

7.Set the unit in all white.

8.Adjust the blanking sections at the top, bottom, left, and right for minimum by moving the adjusting plate of the R-channel’s first mirror (OPT), and then maximize the intensity of the red.

9.Tighten the adjusting plate fixing screws.

10.Secure the six adjusting plate fixing screws using a torque screwdriver.

Tightening torque: 8 kgf/cm

11.Make sure that the deviation of the lighting range is within the specific range.

2) Polarizing Plate Adjustment

1.Attach the extension cable and the extension flexible cable to the C board, and input the RGB all black (SVGA 0 IRE Flat Field) signal.

2.Move the red, green, and blue polarizing plates gradually to adjust the black level.

3.Secure the fixing screws using the screwdriver.

Note: When tightening the six fixing screws, be sure to push the polarizing plate toward the radiating side.

3-1-3. Factory Mode Setting

1.Make sure that the STATUS in the menu is ON.

2.Exit the menu.

3.Press the keys in the following ORDER:

“ENTER” → “ENTER” → “LEFT” → “ENTER”

4.The message “Do you wish to enter into the FACTORY MODE?” will be displayed.

5.Select YES.

3-2. V-COM Adjustment

1.Input the green-only 50 IRE all white signal to INPUT-A.

2.Set the CONTRAST to 50 and BRIGHT to 50.

3.Set the screen to G VCOM adjustment of “Device Adjust.”

Adjust the G VCOM so that the vertical line on the screen is minimum.

4.Input the red-only and blue-only 50 IRE all white signal respectively and adjust R VCOM and B VCOM respectively so that the vertical line becomes minimum.

5.Save the value adjusted.

3-1

VPL-CS2/CX1

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Sony VPL-CX1, RM-PJM10 service manual Section Electrical Adjustments, Preparations, COM Adjustment
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RM-PJM10, VPL-CX1 specifications

The Sony VPL-CX1 is a compact and lightweight portable projector designed to deliver high-quality performance in various settings, including business presentations, educational environments, and home entertainment. Its versatility combined with a user-friendly interface makes it an excellent choice for professionals on the go or institutions looking to enhance their audiovisual presentations.

One of the standout features of the VPL-CX1 is its impressive brightness, boasting 3000 ANSI lumens. This level of brightness ensures that images remain vivid and clear even in well-lit environments, minimizing the need to dim lights during presentations. The projector utilizes a native XGA resolution of 1024 x 768 pixels, providing sharp images that enhance the viewing experience.

The VPL-CX1 incorporates advanced 3LCD technology, which provides excellent color reproduction and reduces the risk of color degradation over time. This technology ensures that colors are accurate and vibrant, making it ideal for displaying rich images, detailed graphics, and dynamic video content.

Another key characteristic is its connectivity options. The VPL-CX1 comes equipped with multiple inputs, including VGA, HDMI, and RCA, allowing for easy connection to a variety of devices such as laptops, DVD players, and even smartphones. This level of flexibility ensures seamless transitions between different sources during presentations.

Portability is a significant aspect of the VPL-CX1's design. Weighing just over 4.5 pounds and featuring a compact form factor, it is easy to transport and set up in various locations. The inclusion of a carrying case allows users to protect the device while on the move.

The RM-PJM10 remote control enhances the user experience by providing convenient access to essential functions from a distance. Users can easily navigate through settings, control volume, and switch input sources without needing to approach the projector.

In summary, the Sony VPL-CX1, supported by the RM-PJM10 remote, is a powerful, portable projector that combines brightness, color accuracy, and versatile connectivity. Its lightweight design makes it ideal for on-the-go professionals, educators, and home users alike. With its advanced technologies and user-friendly features, the VPL-CX1 is well-suited for delivering impactful presentations and enjoyable visual experiences.
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