Electrical Adjustments; Preparations; Required Equipment; Service Mode Setting - Sony VPL-GH10 Service Manual

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2-1. Preparations

2-1-1. Required Equipment

. Oscilloscope
Tektronix 2465 or equivalent
(bandwidth: 350 MHz or more)
. VG (Programmable video signal generator)
VG849C or equivalent
. Digital voltmeter
Advantest TR6845 or equivalent
. Luminance meter
. Chrominance difference gauge
n
Perform the following adjustments at least 15 minutes after
turning on the power.

2-1-2. Service Mode Setting

1. Close the menu by pressing "Menu" if its displayed.
2. Press the buttons in the following order in 5 seconds:
" → "
" → "
" → "
"
3. The message "Do you wish to enter into the
SERVICE MODE? Yes No" will be displayed.
4. Select "Yes".
m
. When leaving the SERVICE MODE, perform item 3.
"Do you wish to return to the USER MODE? Yes No"
will be displayed. Select "Yes".
. Note that when the items (W/B, Device Adjust) that can
be adjusted in the Service mode are adjusted and stored
in memory, they are saved in NVM and the factory
default data will be lost.
Be sure to perform "Save to memory" after entering and
exiting the Gamma adjustment mode. If the values are
changed in the Gamma adjustment mode and you want
to reset to the original value, turn off the power of the
unit and turn it on again. The UF data does not change
even if the mode for Advanced Iris in Cinema Black Pro
in Picture Adjust is changed without performing "Save
to memory". When "Save to memory" is performed at
that time, the UF data of each Iris mode will be overwrit-
ten and lost.
VPL-GH10
Section 2

Electrical Adjustments

"
2-1-3. Model Name Display (Shop
Demonstration) Mode Setting
1. If the menu is being displayed, press the [MENU]
button to close the menu.
2. Press the buttons in the following order in 5 seconds:
" → " " → " " → "
"
3. "Which mode do you wish to display? Model Name
Display/Motionflow/Off" is displayed.
4. Select "Model Name Display".
n
To exit the Model Name Display mode, perform step 2.
"Which mode do you wish to display? Model Name
Display/Motionflow/Off" is displayed. Select "Off".
2-1-4. Motionflow (Shop Demonstration)

Mode Setting

1. If the menu is being displayed, press the [MENU]
button to close the menu.
2. Press the buttons in the following order in 5 seconds:
" → " " → " " → "
"
3. "Which mode do you wish to display? Model Name
Display/Motionflow/Off" is displayed.
4. Select "Motionflow".
n
To exit the Model Name Display mode, perform step 2.
"Which mode do you wish to display? Model Name
Display/Motionflow/Off" is displayed. Select "Off".
"
"
2-1

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