22 Disassembly Method Of Cabinet Parts

2.2.1. Removal of the Lamp Cover Unit

Fig. 2-2-3

Assembly Note:

When removing the bottom Case Unit, be sure to remove the Lamp Cover Unit first.

If it is assembled without removing the Lamp Cover Unit, the Interlock switch of the Main PWB will be damaged. (If it is damaged, the Projector won't operate and the indication of it is "C-0".)

2.2.3. Removal of the Lamp Unit

1. Push the portion (a) of the Lamp Hold Lever to the direction of the arrow as shown in Fig. 2-2-4 and release the Lamp Hold Lever from the Fastening Hook.

2. Carefully pull the Lamp Unit. Caution:

Do not touch the Lamp Unit until it is completely cooled off.

Fig. 2-2-5

2.2.5. Removal of the Main PWB

Fig. 2-2-6

2. Open the Barrier Unit.

3. Remove the Joint Plate R, L and the Ballast Holder as shown in Fig. 2-2-7.

Assembly Note:

1. Make sure that the Lamp Hold Lever is in the original position as shown in Fig. 2-2-4.

2. Be extra cautious during operation not to damage the Detect Switch (Lamp Cover Switch) provided on the Portion (b) of the Main PWB.

2.2.4. Removal of the Filter Cover

1. Hold the indent on the Filter Cover and pull the Filter Cover with the Filter as shown in Fig. 2-2-5.

Assembly Note:

Before installing the Optical Unit, be sure to remove the Filter Cover first. If it is installed without removing the Filter Cover, the Filter Switch may be damaged.

Fig. 2-2-7

4. Disconnect 13 connectors P1901-P1907, P2002-P2004, P3501-P3503 and P4001 on the Main PWB as shown in Fig. 2-2-8.

2.2.7. Removal of the Front Cover

2. Carefully pull and remove the portion (a) of the Front cover in the direction of the arrow with paying attention to the Tab (A).

3. Remove the Front cover with paying attention to the Tab (B).

Assembly Note:

1. Make sure that the Joint Plate R, L and the Ballast Holder are in their original position as shown in Fig. 2-2-7.

2. Be extra cautious during operation not to damage the Detect Switch (Lamp Cover Switch) provided on the Portion (a) of the Main PWB as shown in Fig. 2-2-8.

2.2.6.Removal of the Power Fan

1. Carefully pull out the Power Fan with the Fan Piece as shown in Fig. 2-2-9.

2.2.8. Removal of the Lamp Fan Unit

2. Remove the Lamp Fan Unit with the Front Barrier L and R.

2.2.8. Removal of the Lamp Fan Unit

2. Remove the Lamp Fan Unit with the Front Barrier L and R.

Fig. 2-2-11

Assembly Note:

Installing the Lamp Fan Unit so that the name plate faces to the side of the Front Cover.

Assembly Note:

1. Installing the Power Fan so that the name plate faces in.

2. Make sure that the connector cable of the power Fan is in the original position as shown in Fig. 2-2-9.

2.2.9. Removal of the Optical Unit

1. Remove the Main Grounding Plate as shown in Fig. 2-2-12.

2. Carefully pull out the Optical Unit.

3. Remove a screw (H) as shown in Fig. 2-2-13 and remove the Lamp Connector.

Fig. 2-2-13

Assembly Note:

1. Twist the Lamp Connector cable 3 times on the right and insert in the original position as shown in Fig. 2-2-13.

2. When installing the Lamp Connector, be careful of the direction of the insertion as shown in Fig. 2-2-13.

3. Before installing the Optical Unit, be sure to remove the Filter Cover first. If it is installed without removing the Filter Cover, the Filter Switch may be damaged.

4. When installing the Optical Unit, make sure that the position of portion (a) is at the fuse (F1102) and pay attention not to nip the connector cable of P1151 under the Optical Unit as shown in Fig. 2-2-12.

Fig. 2-2-12

2.2.10. Removal of the Speaker Unit

1. Detach the tape and carefully pull out the Speaker Unit as shown in Fig. 2-2-13.

Ballast PWB Speaker Unit

Ballast PWB Speaker Unit

Fig. 2-2-14

Assembly Note:

After the installation of the speaker, put on the tape in the original position.

2.2.11. Removal of the Main Power PWB the Ballast PWB, the Inlet PWB and the Ballast Barrier-A

1. Carefully pull out the Main Power PWB, the Ballast PWB and the Inlet PWB along with the Ballast Barrier-A as shown in Fig. 2-2-14.

2. Disconnect 3 connectors P1151, P1201, P1302 and P1303 as shown in Fig. 2-2-15.

Fig. 2-2-15

Assembly Note:

Make sure that the Main Power PWB, the Ballast PWB the Inlet PWB and the Ballast Barrier-A are in the original position as shown in Fig. 2-2-16._

Fig. 2-2-16

2.2.12. Removal of the Operation PWB

2. releasing 2 tabs, remove the Eject Knob.

3. Remove the Remote Control Holder Unit.

Fig. 2-2-17

4. Remove 4 screw (K) and the Support Plate as shown in Fig. 2-2-18.

5. Carefully pull out the Operation PWB

Operation PWB

Operation PWB

Support Plate

Support Plate

Fig. 2-2-19
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