Sony VPLHS1FP, SUHS1 Preparations, COM Adjustment, Equipment Required, Optical Unit Adjustment

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

.Chrominance difference gauge

n

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 dichromatics mirror.

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 RB mirror, 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 RB mirror, 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.

VPL-HS1

3-1-3. Factory Mode Setting

1.Make sure that the MENU is indicated.

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? Yes:↑	No:↓ ” will be displayed.

5.Select “Yes:↑ ”. n

. When leaving the FACTORY MODE, perform item 3.

“Do you wish to return to the USER MODE? Yes:↑ No:↓

” will be displayed. Select “Yes:↑ ”.

.Cannot enter FACTORY MODE by MS channel.

3-2. V-COM Adjustment

1.Input the green-only 30 IRE all white signal to INPUT-A.

2.Set the CONTRAST to 80, BRIGHT to 50 and COLOR TEMP to MID.

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 30 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