VPL-VW90ES - Sony Projector Service Manual (repair manual). Page 5

1 (E)

VPL-VW90ES

2-1. Preparations 

...............................................................2-1 

(E)

2-1-1. Required 

Equipment 

........................................2-1 

(E)

2-1-2. 

Service Mode Setting .......................................2-1 (E)

2-1-3. 

Model Name Display (Shop Demonstration) 
Mode Setting ....................................................2-2 (E)

2-1-4. Motionfl ow (Shop Demonstration) 

Mode Setting ....................................................2-2 (E)

2-2. Service 

Know-How 

...................................................2-3 

(E)

2-2-1. 

When the Optical Unit Assembly is 
Replaced...........................................................2-3 (E)

2-2-2. 

When the Board is Replaced ............................2-3 (E)

2-2-3. 

IRIS Copy ........................................................2-4 (E)

2-2-4. 

Panel Driver Gain B Copy ...............................2-4 (E)

2-2-5. 

Lens Shift Data Copy .......................................2-4 (E)

2-2-6. 

Panel Alignment Data Copy ............................2-4 (E)

2-3.  White Balance Adjustment ........................................2-5 (E)
2-4. IRIS 

Adjustment 

........................................................2-7 

(E)

2-5.  Panel Driver Gain B Adjustment ...............................2-7 (E)
2-6.  Software Upgrade Method ........................................2-8 (E)

2-6-1. Preparation 

.......................................................2-8 

(E)

2-6-2. 

SUB CPU Upgrade ..........................................2-9 (E)

2-6-3. 

Scan Converter Upgrade ................................2-10 (E)

2-6-4. 

Writing of LookUpTable/3DGamma/
ABGamma/LCK/OGMTable/
CSMatrixTable ............................................... 2-11  (E)

2-6-5. 

Obtaining of LookUpTable/3DGamma/
ABGamma/LCK/OGMTable/
CSMatrixTable from the Board .....................2-12 (E)

2-7. Memory 

...................................................................2-13 

(E)

2-8.  Adjustment Item Initialize Data ..............................2-16 (E)

3-1.  Notes on Repair Parts ...................................................... 3-1
3-2. Exploded 

Views 

............................................................... 3-2

3-3.  Electrical Parts List ....................................................... 3-10
3-4.  Packing Materials & Supplied Accessories ................... 3-47

Purpose of this manual ............................................................ 3 (E)
Related manuals ...................................................................... 3 (E)

1-1.  Appearance Figure ....................................................1-1 (E)
1-2.  Board Locations ........................................................1-1 (E)
1-3. Disassembly 

..............................................................1-2 

(E)

1-3-1. 

Top Cover Assembly ........................................1-4 (E)

1-3-2. 

HA Board .........................................................1-4 (E)

1-3-3. 

TL Board ..........................................................1-5 (E)

1-3-4. 

Front Panel Block and EM Board ....................1-5 (E)

1-3-5. 

Optical Block Assembly-1 ...............................1-6 (E)

1-3-6. 

Optical Block Assembly-2 and U Board..........1-7 (E)

1-3-7. 

CB Board .........................................................1-7 (E)

1-3-8. 

CA Board .........................................................1-8 (E)

1-3-9. 

Optical Unit Assembly .....................................1-8 (E)

1-3-10.  GA Board .........................................................1-9 (E)
1-3-11. 

GB Board .......................................................1-10 (E)

1-3-12.  D.C. Fan .........................................................1-10 (E)
1-3-13.  Lamp Power Supply....................................... 1-11 (E)
1-3-14.  V Board, TA Board and D.C. Motor ..............1-12 (E)
1-3-15.  D.C. Fan (EX) ................................................1-13 (E)
1-3-16.  QB Board .......................................................1-14 (E)
1-3-17.  QA Board .......................................................1-15 (E)
1-3-18.  Extension Boards and Extension Cables .......1-16 (E)
1-3-19. Connection 

.....................................................1-17 

(E)

1-4. Indicator 

..................................................................1-19 

(E)

1-5.  Circuit Description ..................................................1-20 (E)
1-6. Connecting/Disconnecting 

the 

Flexible Card Wire ..................................................1-21 (E)

1-7.  Lead-free Solder ......................................................1-22 (E)