Sony VPL-VW85 Service Manual ▷ View online
2-7 (E)
VPL-VW85
Low 2
Set Color Temp to “Low 2”.
Input 1080/60i 20 IRE flat field (RGB 3 color) into the
HDMI1 terminal and adjust BIAS of white balance for R
and B until the chromaticity (x20, y20) satisfies the
specification.
Set Color Temp to “Low 2”.
Input 1080/60i 20 IRE flat field (RGB 3 color) into the
HDMI1 terminal and adjust BIAS of white balance for R
and B until the chromaticity (x20, y20) satisfies the
specification.
(x20, y20) = (0.322
±0.002, 0.338 ±0.002)
Input 1080/60i 80 IRE flat field (RGB 3 color) into the
HDMI1 terminal and adjust GAIN of white balance for B
and G until the chromaticity (x80, y80) satisfies the
specification.
HDMI1 terminal and adjust GAIN of white balance for B
and G until the chromaticity (x80, y80) satisfies the
specification.
(x80, y80) = (0.322
±0.002, 0.338 ±0.002)
Repeat the adjustments at 80 IRE and 20 IRE until the
specification is satisfied.
specification is satisfied.
Save the adjusted values.
Custom
Set Gain and Bias for CUSTOM 1 to 5 to the following
values.
Set Gain and Bias for CUSTOM 1 to 5 to the following
values.
CUSTOM 1: Copy the Gain and Bias values for High.
CUSTOM 2: Copy the Gain and Bias values for Middle.
CUSTOM 3: Copy the Gain and Bias values for Low 1.
CUSTOM 4: Copy the Gain and Bias values for Low 2.
CUSTOM 5: Set the Gain and Bias values for R/G/B to 128.
Save the set values.
Iris: Auto1/Manual Adjustment
Switch the Iris mode to “Auto1. Manual”. Copy all of the
white balance adjustment values (High, Middle, Low 1,
Low 2, and all of the Gain Bias values of CUSTOM1
through CUSTOM5) at Iris OFF, to the corresponding Iris
mode values respectively.
Save the set value.
Switch the Iris mode to “Auto1. Manual”. Copy all of the
white balance adjustment values (High, Middle, Low 1,
Low 2, and all of the Gain Bias values of CUSTOM1
through CUSTOM5) at Iris OFF, to the corresponding Iris
mode values respectively.
Save the set value.
2-4. IRIS Adjustment
(1) Bring the ZOOM position of the lens to the center.
(2) Input the XGA 60Hz all white 100 IRE signal in INPUT-A.
(3) Set “Other: 01 Iris/Adj” of Device Menu to 1.
(4) Set the value of “Other: 02 Iris/Open Reg” to 1023,
(2) Input the XGA 60Hz all white 100 IRE signal in INPUT-A.
(3) Set “Other: 01 Iris/Adj” of Device Menu to 1.
(4) Set the value of “Other: 02 Iris/Open Reg” to 1023,
and check the value of “Other: 04 Iris/Open Hall”.
(5) While decreasing the value of “Other: 02 Iris/Open
Reg”, check the value of “Other: 04 Iris/Open Hall”.
(6) When the value of “Other: 04 Iris/Open Hall” reaches
the value of [step (4) value
_25], check the value of
“Other: 02 Iris/Open Reg”.
(7) Save the value of “Other: 02 Iris/Open Reg” of step (6)
in a memory.
(8) Measure the luminance level at this time. [OFF
Luminance]
(9) Set the value of “Other: 03 Iris/Close Reg”equal to
that of “Other: 02 Iris/Open Reg” of step (6).
(10)While decreasing the value of “Other: 03 Iris/Close
Reg”, check the luminance level. Check the value of
“Other: 03 Iris/Close Reg” when the luminance level
reaches 25% of [OFF Luminance].
“Other: 03 Iris/Close Reg” when the luminance level
reaches 25% of [OFF Luminance].
(11)Save the values of “Other: 03 Iris/Close Reg” of step
(10) in a memory.
(12)Return the value of “Other: 01 Iris/Adj” to 0, and
perform Save to Memory.
2-5. Panel Driver Gain B Adjustment
Preparation
Make the following settings.
Contrast: Max
Bright: 50
Color: 50
Hue: 50
Color Space: Wide3
Contrast: Max
Bright: 50
Color: 50
Hue: 50
Color Space: Wide3
Adjustment
(1) Input the XGA 60Hz Blue Only 100 IRE signal in the
INPUT-A terminal.
(2) Set the Panel Driver: 03 P. Drv/Gain B value to “85”.
(3) While measuring luminance at the center of the screen,
(3) While measuring luminance at the center of the screen,
decrease the 03 P. Drv/Gain B value. Take note of the
03 P. Drv/Gain B value when luminance reaches
maximum.
03 P. Drv/Gain B value when luminance reaches
maximum.
(4) Save the 03 P. Drv/Gain B value of step (3) in a memory.
(5) Perform Save to Memory.
(5) Perform Save to Memory.
3-1
VPL-VW85
3-1. Notes on Repair Parts
1. Safety Related Components Warning
w
Components marked
Components marked
! are critical to safe operation.
Therefore, specified parts should be used in the case of
replacement.
replacement.
[WARNHINWEIS]
[WARNHINWEIS]
[WARNHINWEIS]
[WARNHINWEIS]
[WARNHINWEIS]
Les composants identifiés par la marque
Les composants identifiés par la marque
! sont
critiques pour la sécurité.
Ne les remplacer que par une pièce portant le numéro
spécifié.
Ne les remplacer que par une pièce portant le numéro
spécifié.
2. Standardization of Parts
Some repair parts supplied by Sony differ from those
used for the unit. These are because of parts common-
ality and improvement.
Parts List has the present standardized repair parts.
used for the unit. These are because of parts common-
ality and improvement.
Parts List has the present standardized repair parts.
3. Stock of Parts
Parts marked with “o” at SP (Supply Code) column of
the Spare Parts list may not be stocked. Therefore, the
delivery date will be delayed.
Items with no part number and no description are not
stocked because they are seldom required for routine
service.
the Spare Parts list may not be stocked. Therefore, the
delivery date will be delayed.
Items with no part number and no description are not
stocked because they are seldom required for routine
service.
4. Units for Capacitors, Inductors and Resistors
The following units are assumed in Schematic Dia-
grams, Electrical Parts List and Exploded Views
unless otherwise specified.
grams, Electrical Parts List and Exploded Views
unless otherwise specified.
Capacitors
:
μF
Inductors
:
μH
Resistors
:
Ω
5. Note for Electrical key
The components identified by mark contain confi-
dential information.
Strictly follow the instructions whenever the compo-
nents are repaired and/or replaced.
dential information.
Strictly follow the instructions whenever the compo-
nents are repaired and/or replaced.
Section 3
Spare Parts
3-1.
3-2
VPL-VW85
Cover
3-2. Exploded Views
5
4
19
6
25
26
13
23
20
14
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21
22
15
14
10
9
7
27
18
17
8
+BVTP 3x12
+BVTP 3x12
+BVTP 3x12
Optics
(See page 3-8)
(See page 3-8)
24
12
14
+BVTP 3x12
+BVTP 3x12
1
2
3
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