SONY BKDS-PA3291
Manual de Servicio

2-9. Cleaning 2-10. Use of Extension Board EX-351

2-9. Cleaning
The temperature in the unit increases when dust attaches to the filter and when the air flow is disturbed. This will badly influence the performance and life of the unit. Be sure to clean the filter with attached to the front panel when the filter is clogged with dust. n � Turn off the power before cleaning the filter. � Be sure to remove the air filter from the front panel before cleaning. Tools

2-10. Use of Extension Board EX-351
Extension Board EX-351 : Part No. J-6185-310-A Extension board EX-351 is applicable for the following plug-in boards to be inspected.

Model Name BVS-A3232

Card Board CPU-94 MX-82

BKDS-RS1690

CPU-94

Procedure Vacuum cleaner 1. Remove the plug-in board in the procedure as shown Cleaning 1. Remove the front panel. (Refer to �2-1. Removal of Cabinet�.) 2. Remove the filter from the front panel. in Section 1-7 �Optional Board Installation�. 2. Move the board lever in the direction of the arrow and insert completely the extension board along the board guide rail.

Board guide rail

Filter Board lever

Extension board (EX-351)

3. Remove the dust on the filter using a vacuum cleaner. 4. Attach the filter in the reverse order of steps 1 to 2.

Board lever

BVS-A3232

2-7(E)