11 Service Position

Because of this projector's structure, service should be provided by turning this projector over, accordingly the screens are seen reversely during the service.

The position shown in Fig. 1-1-2 is used for checking, adjusting and replacing parts.

Extension Cable (Extension cable is the same as the Extension Cable Kit [BHY40001] of the LX-D300/LX-D350 service jigs.) is necessary for servicing as shown in Fig. 1-1-1.

1. In the order described in the "2.2. Disassembly Method of Cabinet Parts" of "2. Disassembly/Assembly Procedures", remove the Bottom Case Unit.

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

3. Disconnect connectors P1901, P1902, P2002-P2004 and P3501-P3503 on the Main PWB as shown in Fig. 2-2-8.

a. Connect Extension Cables as follows:

b. Connect Extension Cable-1 (30 pin) between P3501 on the Main PWB and the LCD Red Unit.

c. Connect Extension Cable-1 (30 pin) between P3502 on the Main PWB and the LCD Green Unit.

d. Connect Extension Cable-1 (36 pin) between P3503 on the Main PWB and the LCD Blue Unit.

e. Connect Extension Cable-2 (3 pin) between P1901 on the Main PWB and the Duct Fan (1).

4. Connect Extension Cable-2 (3 pin) between P1902 on the Main PWB and the Duct Fan (2).

5. Carefully place the Main PWB as shown in Fig. 1-1-2.

6. After servicing, remove Extension Cables.

7. Reinstall the Main PWB, and reconnect connectors.

8. Make sure that all wires and leads are placed in their original position.

1. Remove the BOTTOM CASE UNIT according to the procedures mentioned in [2.2 DISASSEMBLY METHOD OF CABINET PARTS].

2. Under the condition of the Lamp Cover SW "ON", plug in the Power Cord.

3. Input a Signal.

4. Connect a jumper wire between TP2007 and TP2008 on Main PWB for over 5 seconds as shown in Fig. 1-2-1.

5. Lamp operation time will be displayed as shown in Fig. 1-2-2. (As the set is turned upside down, actually the screen also looks upside down.)

Note:

After replacing Main PWB, memory data such as history of lamp operation time will be reset. However, it can be remained by installing EEPROM IC (IC2006) to replaced Main PWB from original Main PWB.

If EEPROM IC (IC2006) on Main PWB are replaced:

After replacing EEPROM IC (IC2006), be sure to perform each of following steps in the order presented.

1. Connect a jumper wire between TP2017 and TP2018 on Main PWB for over 5 seconds to set to factory set mode. Then, remove the jumper wire.

2. "FACTORY" appears on screen.

3. Connect a jumper wire between TP2017 and TP2018 again for over 5 seconds to initialize EEPROM IC. Then, remove the jumper wire.

4. "SELF CHECK" appears on screen.

5. Remove jumper wires and "MEMORY OK" appears on screen.

6. Perform adjustments 3.4.1. through 3.4.8., 3.4.11. and 3.4.12.

7. After completing all adjustments, press the MENU button to memorize adjustment data in EEPROM IC and release from the Factory Adjust mode.

Otherwise, adjustment data will be cancelled. Note:

When initializing EEPROM IC, memory data such as history of lamp operation time and adjustment data will be reset.

5. Lamp operation time will be displayed as shown in Fig. 1-2-2. (As the set is turned upside down, actually the screen also looks upside down.)

6. Connect a jumper wire between TP2007 and TP2008 for over 5 seconds again or press MENU button on remote control in order to release from service mode.

1.4. Lamp replacement procedure

Caution:

Because of possibility of injury, strictly follow the replacement procedure below.

1. After the cooling fan has stopped, and STANDBY(R) ON(G) indicator turns solid red, unplug the power cord.

Note:

Please wait more than one hour for lamp replacement.

[ If you need to replace the lamp more urgently ]

The LCD Projector has a forced cooling feature. After the POWER switch is turned OFF, and sometime during about the first minute of the normal cooling fan operation, press MENU for 5 seconds. The cooling fan will change to high speed for about 10 minutes. (The "C-d" STATUS CODE will be displayed.)

2. Loosen 2 screws (A) using a screwdriver as shown in Fig. 1-4-1.

3. Remove the Lamp Cover Unit.

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

5. Carefully pull the Lamp Unit. WARNING:

• The lamp may be hot. Be careful when handling. CAUTION

• High-pressure lamp may explode if improperly handled.

• Danger of injury due to lamp fragments.

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

5. Carefully pull the Lamp Unit. WARNING:

• The lamp may be hot. Be careful when handling. CAUTION

• High-pressure lamp may explode if improperly handled.

• Danger of injury due to lamp fragments.

6. Install the new Lamp Unit. CAUTION

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

• Properly dispose of old Lamp.

7. Replace 2 screws (A) using a screwdriver as shown in Fig. 1-4-1.

8. Plug the power code.

9. Press POWER and INPUT buttons together for about 5 seconds when lighting up red by POWER LED to reset lamp time.

1.5. Cleaning the Projection Lens

Use lens cleaning paper and cleaner available at your local camera shop, etc.Dampen the cleaning paper with cleaner and gently wipe the surface of the lens from the center outward to remove dust as

Do not use excessive force when cleaning the lens.

1.6. Connection of the Flexible Cables to Trap Connector

(Removal and Installation of Flexible Cable) • Removal

1. On the Trap Connector, swing the Locking Tab to release the Trap portion of the Connector. Then pull Flexible Cable out to remove as shown in Fig. 1-6-1.

1. On the Trap Connector, swing both ends of the Locking Tab to release the Trap portion of the Connector. Then pull Flexible Cable out to remove as shown in Fig. 1-6-1.

• Installation

1. Insert the end of the Flexible Cable into the Trap Connector.

2. Without twisting the Cable, press the Locking Tab in into its locked positions.

3. Gently and slightly pull up on the Cable to confirm if it is installed firmly.

1.7. How to replace the lithium battery

■ Inserting the battery

Insert the lithium battery which is supplied with the remote control unit, making sure that the polarities are correct. WARNING:

Replace battery with CR2025 only. Use of another battery may present a risk of fire or explosion.

Caution: Battery may explode if mistreated. Dispose of used battery promptly. Keep away from children. Do not recharge, disassemble or dispose of in fire.

1. While pushing the battery holder tab to the right, pull out the battery holder.

2. Insert the battery into the battery holder so that the + side is facing upward.

3. Insert the battery holder.

Note:

• Do not drop the remote control unit.

• Keep the remote control unit away from liquids.

• Remove the battery if not using the remote control unit for long periods.

Fig No.

No. of Pins

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