1
VPL-VW70
2. Electrical Adjustments
2-1. Preparations .................................................................... 2-1
2-1-1. Required Equipment .............................................. 2-1
2-1-2. Service Mode Setting ............................................ 2-1
2-1-3. Model Name Display (Shop Demonstration)
Mode Setting ......................................................... 2-2
2-2. Adjustment Item Initialize Data ...................................... 2-3
2-3. White Balance Adjustment on Servicing ........................ 2-6
2-4. IRIS Adjustment ............................................................. 2-7
2-5. Panel Driver Gain B Adjustment ....................................2-7
3. Spare Parts
3-1. Notes on Repair Parts ..................................................... 3-1
3-2. Exploded Views .............................................................. 3-2
3-3. Electrical Parts List ....................................................... 3-10
4. Block Diagrams
Overall ............................................................................ 4-1
QA (1/3) .......................................................................... 4-2
HA, HB, NF, NR, QA (2/3), QB, TA, TL, U, V ............ 4-3
QA (3/3), J ...................................................................... 4-4
CA (1/2) .......................................................................... 4-5
CA (2/2) .......................................................................... 4-6
CB ................................................................................... 4-7
GA, GB ........................................................................... 4-8
Table of Contents
1. Service Overview
1-1. Appearance Figure .......................................................... 1-1
1-2. Board Locations .............................................................. 1-1
1-3. Disassembly .................................................................... 1-2
1-3-1. Top Cover Assembly ............................................. 1-4
1-3-2. HA Board ..............................................................1-4
1-3-3. TL Board ............................................................... 1-5
1-3-4. Front Panel Block .................................................. 1-5
1-3-5. Optical Block Assembly-1 .................................... 1-6
1-3-6. Optical Block Assembly-2 and U Board ............... 1-7
1-3-7. CB Board ............................................................... 1-7
1-3-8. CA Board ............................................................... 1-8
1-3-9. Optical Unit Assembly ..........................................1-8
1-3-10. GA Board ..............................................................1-9
1-3-11. GB Board ............................................................. 1-10
1-3-12. D.C. Fan .............................................................. 1-10
1-3-13. Lamp Power Supply ............................................1-11
1-3-14. V Board, TA Board and D.C. Motor ................... 1-12
1-3-15. D.C. Fan (EX) ..................................................... 1-13
1-3-16. QB Board ............................................................. 1-14
1-3-17. QA Board ............................................................ 1-15
1-3-18. Extension Boards and Extension Cables ............. 1-16
1-3-19. Connection .......................................................... 1-17
1-4. Unleaded Solder ............................................................ 1-19
1-5. Service Know-How ...................................................... 1-19
1-5-1. When the Optical Unit ASSY is Replaced .......... 1-19
1-5-2. When the Board is Replaced ............................... 1-19
1-5-3. IRIS Copy ............................................................ 1-20
1-5-4. Panel Driver Gain B Copy .................................. 1-20
1-5-5. Lens Shift Data Copy .......................................... 1-20
1-6. Upgrading the Software ................................................1-20
1-6-1. SUB ..................................................................... 1-20
1-6-2. Scan Converter ....................................................1-20
1-6-3. Writing 3DGamma/LookUpTable/DDC/
LCK/OGMTable/CSMatrixTable Data ............... 1-21
1-6-4. How to Obtain the 3DGamma/LookUpTable/
DDC/LCK/OGMTable/CSMatrixTable Data
from the Board .................................................... 1-21
1-7. Memory ......................................................................... 1-22
1-8. Warning on Power Connection ..................................... 1-25
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