SONY CPD120AS
Service Manual

p To enter new timings

When using a video mode that is not one of the 10 factory preset modes, some fine tuning may be required to optimize the display to your preferences. Simply adjust the display according to the adjustment instructions. The adjustments will be stored automatically and recalled whenever that mode is used. A total of 10 user-defined modes can be stored in memory. If an 11th mode is entered, it will replace the first.

Damper wire
Using a white background, very thin horizontal lines on the screen are visible as shown below. These lines are the damper wires. The Trinitron tube has a vertically striped Aperture Grille inside. The Aperture Grille allows more light to pass through to the screen giving the Trinitron CRT more color and brightness. The damper wires are attached to the Aperture Grille to prevent vibration of the Aperture Grille wire so that the screen image is constantly stable.

Using the tilt-swivel
With the tilt-swivel, this unit can be adjusted to be viewed at your desired angle within 90° horizontally and 7° vertically. To turn the unit vertically and horizontally, hold it at its bottom with both hands. Pay attention not to get your hands caught between the display and the tiltswivel.
Approx. 6 cm (2 3/8 inches) (CPD-220AS only) Damper wires Approx. 6 cm (2 3/8 inches)
45� 7� 45�

14GB

Using Your Display

Using Your Display

15GB

Adjustments
When one of the preset-type signals is input, no picture adjustment is necessary. You can, however, adjust the picture to your preference by following the procedure described below. To adjust the display, turn on the display and computer. Select the adjustment item. You can adjust all items via the OSD (On Screen Display). Adjustments are automatically stored in the display�s memory. The VOLUME/CONTRAST OSD disappears 3 seconds after you release the buttons.

 Tips
� The default setting of the volume level is 30 %. � Adjust the volume while listening to the sound. � Excessively high volume may cause howling.

p To mute the sound
Press the ¤ button. The ¤ indicator lights. The light indicates mute function is in active mode.

Control Panel

Press again to cancel muting. You can cancel muting also by pressing the . + button.

Adjusting volume
1. Press the . + or � button.
The VOLUME/CONTRAST OSD appears. The horizontal and vertical frequencies for each input signal received appear.

 Tip

¤ appears instead of . on the VOLUME/CONTRAST OSD while the sound is muted.

Adjusting the picture contrast
The adjustment data becomes the common setting for all input signals.

1. Press the > + or � button.
The VOLUME/CONTRAST OSD appears. The horizontal and vertical frequencies for each input signal received appear.
Horizontal frequency Vertical frequency

2. Press the . +/� buttons to adjust volume.
+ to increase volume � to decrease volume

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16GB

Adjustments

Adjustments

17GB

�7�