Sony VPL-HW20 / VPL-HW20A Service Manual ▷ View online
1 (E)
VPL-HW20
Table of Contents
2. Electrical
Adjustments
2-1. Preparations
...............................................................2-1
(E)
2-1-1. Required
Equipment
........................................2-1
(E)
2-1-2.
How to Enter the Service Mode .......................2-1 (E)
2-1-3.
How to Enter the Model Name Display
(Shop Demonstration) Mode ...........................2-2 (E)
(Shop Demonstration) Mode ...........................2-2 (E)
2-2. Service
Know-How
...................................................2-2
(E)
2-2-1.
When the Optical Unit Assembly is
Replaced...........................................................2-2 (E)
Replaced...........................................................2-2 (E)
2-2-2.
When Replacing the QA Board .......................2-3 (E)
2-2-3.
When Replacing the C Board ..........................2-3 (E)
2-2-4.
When the GA, GB, HA, HB, NF, QB, TL,
U, or V Board is Replaced ...............................2-3 (E)
U, or V Board is Replaced ...............................2-3 (E)
2-3. White Balance Adjustment ........................................2-4 (E)
2-3-1.
High Mode of Video ........................................2-4 (E)
2-3-2.
Middle Mode of Video .....................................2-4 (E)
2-3-3.
Low Mode of Video .........................................2-5 (E)
2-3-4.
Custom Setting .................................................2-5 (E)
2-3-5. Iris:
Auto1/Manual
Adjustment
.......................2-5
(E)
2-4. Adjust
Value
Writing
.................................................2-6
(E)
2-4-1. IRIS
..................................................................2-6
(E)
2-4-2.
Panel Driver Gain B .........................................2-6 (E)
2-5. IRIS
Adjustment
........................................................2-6
(E)
2-6. Panel Driver Gain B Adjustment ...............................2-7 (E)
2-7. Software Upgrade Method ........................................2-8 (E)
2-7. Software Upgrade Method ........................................2-8 (E)
2-7-1. Preparation
.......................................................2-8
(E)
2-7-2.
SUB CPU Upgrade ..........................................2-9 (E)
2-7-3.
Scan Converter Upgrade ................................2-10 (E)
2-7-4.
Data Write Method of LookUpTable/
3DGamma/ABGamma/DDC/OGMTable/
CSMatrixTable ............................................... 2-11 (E)
3DGamma/ABGamma/DDC/OGMTable/
CSMatrixTable ............................................... 2-11 (E)
2-7-5.
Data Obtain Method of LookUpTable/
3DGamma/ABGamma/DDC/OGMTable/
CSMatrixTable from the Board .....................2-13 (E)
3DGamma/ABGamma/DDC/OGMTable/
CSMatrixTable from the Board .....................2-13 (E)
2-8. Memory
...................................................................2-15
(E)
2-9. Adjustment Item Initialize Data ..............................2-18 (E)
Manual Structure
Purpose of this manual ............................................................ 3 (E)
Related manuals ...................................................................... 3 (E)
Related manuals ...................................................................... 3 (E)
1. Service
Overview
1-1. Appearance Figure ....................................................1-1 (E)
1-2. Board Locations ........................................................1-1 (E)
1-3. Disassembly
1-2. Board Locations ........................................................1-1 (E)
1-3. Disassembly
..............................................................1-2
(E)
1-3-1.
Top Cover Assembly and HA Board ................1-4 (E)
1-3-2.
HB Board and TL Board ..................................1-5 (E)
1-3-3.
Front Cover Assembly .....................................1-5 (E)
1-3-4.
NF Board .........................................................1-6 (E)
1-3-5.
D.C. Fan (EX) ..................................................1-6 (E)
1-3-6.
C Board-1 .........................................................1-7 (E)
1-3-7.
C Board-2 and U Board ...................................1-8 (E)
1-3-8.
C Board-3 .........................................................1-9 (E)
1-3-9.
Optical Unit Assembly .....................................1-9 (E)
1-3-10. D.C. Fan .........................................................1-10 (E)
1-3-11.
1-3-11.
GA Board ....................................................... 1-11 (E)
1-3-12. GB Board ....................................................... 1-11 (E)
1-3-13. Lamp Power Supply.......................................1-12 (E)
1-3-14. QB Board .......................................................1-12 (E)
1-3-15. D.C. Motor and V Board-1 ............................1-13 (E)
1-3-16. D.C. Motor and V Board-2 ............................1-14 (E)
1-3-17. QA Board .......................................................1-15 (E)
1-3-13. Lamp Power Supply.......................................1-12 (E)
1-3-14. QB Board .......................................................1-12 (E)
1-3-15. D.C. Motor and V Board-1 ............................1-13 (E)
1-3-16. D.C. Motor and V Board-2 ............................1-14 (E)
1-3-17. QA Board .......................................................1-15 (E)
1-4. Optional Fixtures .....................................................1-16 (E)
1-4-1.
Extension Boards and Extension Cables .......1-16 (E)
1-4-2. Connection
.....................................................1-17
(E)
1-5. Indicator
..................................................................1-19
(E)
1-6. Circuit Description ..................................................1-20 (E)
1-7. Disconnecting/Connecting the Flexible Card
1-7. Disconnecting/Connecting the Flexible Card
Wires .......................................................................1-21 (E)
1-8. Lead-free Solder ......................................................1-22 (E)
2 (E)
VPL-HW20
6. Board
Layouts
C
............................................................................. 6-2
GA
.......................................................................... 6-4
GB
.......................................................................... 6-6
QA
.......................................................................... 6-8
HA
........................................................................ 6-10
HB
........................................................................ 6-10
NF
........................................................................ 6-10
QB
.........................................................................6-11
TL
..........................................................................6-11
U
...........................................................................6-11
V
...........................................................................6-11
3. Spare
Parts
3-1. Notes on Repair Parts ...................................................... 3-1
3-2. Exploded
3-2. Exploded
Views
............................................................... 3-2
3-3. Electrical Parts List ....................................................... 3-10
3-4. Packing Materials & Supplied Accessories ................... 3-34
3-4. Packing Materials & Supplied Accessories ................... 3-34
4. Block
Diagrams
Overall
............................................................................. 4-1
QA
................................................................................... 4-2
HA
................................................................................... 4-3
HB
................................................................................... 4-3
NF
.................................................................................... 4-3
QB
................................................................................... 4-3
TL
.................................................................................... 4-3
U
...................................................................................... 4-3
V
...................................................................................... 4-3
C
...................................................................................... 4-5
GA
................................................................................... 4-7
GB
................................................................................... 4-7
5. Schematic
Diagrams
HA
................................................................................... 5-2
HB
................................................................................... 5-2
C
...................................................................................... 5-3
GA
................................................................................. 5-11
GB
................................................................................. 5-12
QA
................................................................................. 5-14
NF
.................................................................................. 5-23
QB
................................................................................. 5-23
TL
.................................................................................. 5-23
U
.................................................................................... 5-23
V
.................................................................................... 5-23
Frame
Wiring................................................................. 5-24
3 (E)
VPL-HW20
Manual Structure
Purpose of this manual
This manual is the Service Manual of the Video Projector VPL-HW20/HW20A.
This manual contains the service overview, adjustments, spare parts, block diagrams,
schematic diagrams and board layouts.
This manual contains the service overview, adjustments, spare parts, block diagrams,
schematic diagrams and board layouts.
Related manuals
In addition to this Service Manual, the following manuals are provided.
. Operating Instructions (Supplied with unit)
This manual is necessary for application and operation of this unit.
. Protocol Manual (Available on request)
This manual describes the protocol for controlling this unit.
Click on the first or last page to see other VPL-HW20 / VPL-HW20A service manuals if exist.