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SERVICE MANUAL
1st Edition

VPL-VW70

!

This manual is intended for qualified service personnel only.
To reduce the risk of electric shock, fire or injury, do not perform any servicing other than that
contained in the operating instructions unless you are qualified to do so. Refer all servicing to
qualified service personnel.

!

Die Anleitung ist nur für qualifiziertes Fachpersonal bestimmt.
Alle Wartungsarbeiten dürfen nur von qualifiziertem Fachpersonal ausgeführt werden. Um die
Gefahr eines elektrischen Schlages, Feuergefahr und Verletzungen zu vermeiden, sind bei
Wartungsarbeiten strikt die Angaben in der Anleitung zu befolgen. Andere als die angegeben
Wartungsarbeiten dürfen nur von Personen ausgeführt werden, die eine spezielle Befähigung
dazu besitzen.

!

Ce manual est destiné uniquement aux personnes compétentes en charge de l’entretien. Afin
de réduire les risques de décharge électrique, d’incendie ou de blessure n’effectuer que les
réparations indiquées dans le mode d’emploi à moins d’être qualifié pour en effectuer d’autres.
Pour toute réparation faire appel à une personne compétente uniquement.

Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type recommended by the manufacturer.
When you dispose of the battery, you must obey the law in the relative area or country.

1

VPL-VW70

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

3-1.

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

3-2.

Exploded Views .............................................................. 3-2

3-3.

Electrical Parts List ....................................................... 3-10

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

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

2

VPL-VW70

5-1.

Frame Schematic Diagrams ............................................ 5-3

Frame Wiring .................................................................. 5-3

5-2.

Schematic Diagrams and Printed Wiring Boards ........... 5-4

Schematic Diagrams

QA (1/10) ........................................................................ 5-4

QA (2/10) ........................................................................ 5-5

QA (3/10) ........................................................................ 5-6

QA (4/10) ........................................................................ 5-7

QA (5/10) ........................................................................ 5-8

QA (6/10) ........................................................................ 5-9

QA (7/10) ...................................................................... 5-10

QA (8/10) ...................................................................... 5-11

QA (9/10) ...................................................................... 5-12

QA (10/10) .................................................................... 5-13

CA (1/15) ...................................................................... 5-19

CA (2/15) ...................................................................... 5-20

CA (3/15) ...................................................................... 5-21

CA (4/15) ...................................................................... 5-22

CA (5/15) ...................................................................... 5-23

CA (6/15) ...................................................................... 5-24

CA (7/15) ...................................................................... 5-26

CA (8/15) ...................................................................... 5-27

CA (9/15) ...................................................................... 5-28

CA (10/15) .................................................................... 5-30

CA (11/15) .................................................................... 5-31

CA (12/15) .................................................................... 5-32

CA (13/15) .................................................................... 5-33

CA (14/15) .................................................................... 5-34

CA (15/15) .................................................................... 5-35

CB (1/6) ........................................................................ 5-39

CB (2/6) ........................................................................ 5-40

CB (3/6) ........................................................................ 5-41

CB (4/6) ........................................................................ 5-42

CB (5/6) ........................................................................ 5-44

CB (6/6) ........................................................................ 5-45

GA ................................................................................. 5-49

GB (1/2) ........................................................................ 5-52

GB (2/2) ........................................................................ 5-53

HA ................................................................................. 5-54

HB ................................................................................. 5-55

QB ................................................................................. 5-56

V ................................................................................... 5-56

NF ................................................................................. 5-57

NR ................................................................................. 5-57

TA ................................................................................. 5-58

TL ................................................................................. 5-58

J ..................................................................................... 5-59

U ................................................................................... 5-59

Printed Wiring Boards

QA ................................................................................. 5-14

CA ................................................................................. 5-16

CB ................................................................................. 5-36

GA ................................................................................. 5-46

GB ................................................................................. 5-50

HA ................................................................................. 5-54

HB ................................................................................. 5-55

QB ................................................................................. 5-56

V ................................................................................... 5-56

NF ................................................................................. 5-57

NR ................................................................................. 5-57

TA ................................................................................. 5-58

TL ................................................................................. 5-58

J ..................................................................................... 5-59

U ................................................................................... 5-59