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SECTION 2  DISASSEMBLY PROCEDURES

< DZ780/DW750/DX820 >

Power Supply unit

Signal Processing Block

Top cover

Side cover (L)

Front cover

Side cover (R)

Lamp cover

Filter case

Rear cover

Ballast Block

Lens cover

Filter

DMD block

Mechanical shutter

Color wheel

Luminance sensor

Lighting case (top)

Rod

Liquid cooling unit

Lighting case (Bottom)

Relay lens

Synthesis block

DIS-3

SECTION 2  DISASSEMBLY PROCEDURES

< DZ780/DW750/DX820 >

* Before disassembly of the projector, turn off the power switch and disconnect the power plug from the wall outlet.

* During the disassemble work, please wear gloves to protect your hands from metal parts and shield plate.
* Electrical parts such as PCBs, may get damaged by electro-statics discharge and/or surges which affects the set reliability.
   Please take care for electro-static discharges by using grounded wrist straps to release the electricity from the body.
* When tore off sticky tapes, please use a new thing without reusing it on the occasion of assembling.

For connecting or disconnecting the flexible cables *

1

, please perform the following procedure.

 *1  Flexible cables: Connector DG3/DG4 on DG P.C.Board  Connector FM1/FM2 on FM P.C.Board

    2. 1. 1. Removal procedure

1. Push the unlock buttons of FFC connectors in the direction of arrows.

2. 1) Push and hold the unlock buttons.
    2) Gently pull the flexible cable in parallel to the P.C.Board.

< Image>

Push the two unlock buttons at the same time.

Make sure push the unlock buttons vertically on the P.C.Board.

Don't push buttons slantingly.

Gently pull the flexible cable

in parallel to the P.C.Board.

Push and hold the unlock buttons.

Gently pull the flexible cable.

DIS-4

SECTION 2  DISASSEMBLY PROCEDURES

< DZ780/DW750/DX820 >

    2. 1. 2. Insert procedure

1. Keep down the terminal side of the flexible cable. Set the flexible cable to the center of connector.

2. 1) Gently insert the flexible cable in parallel to the P.C.Board.
    2) Please insert the flexible cable until the clicking sound is heard.

1.

In case of not following procedure, the terminal of flexible cable is peeling and loose connection occurs.

2.

Symptom for this issue

・

Does not start. The trim wheel is not rotated and the light sources does not light.

・

Screen noise occur. Vertical line noise etc. 

<Image>

<Sample>

If terminal is peeling, 

please replace the flexible cable to new one.

Set the flexible cable 

to the center of connector.

Do not set the connecting 

pattern up.

Gently insert the flexible cable

in parallel to the P.C.Board.

In the case of diagonal condition,

the flexible cable is not locked.

Loose connection occurs.

DIS-5

SECTION 2  DISASSEMBLY PROCEDURES

< DZ780/DW750/DX820 >

* To assemble, reverse the disassembly procedures.

2.10.  WL-Module removal

 (Asia model dedicated communication circuit)

2. 8.

 Optical block removal (Lighting block / DMD block)

2. 9.

 Liquid cooling unit removal

2. 5.

 Signal processing block removal

  (DG-P.C.Board / A-P.C.Board)

2. 6.

 Ballast block removal

  (B-P.C.Board)

2. 7.

 Power supply unit removal

2. 3.

 Top cover removal

[Note]

 Completed Product

2. 4.

 Side cover (L), Side cover (R) and Front cover removal

DIS-6