Toshiba f99b536 Service Note

BSI(Service Note) TOSHIBA

TOSHIBA TEC CORPORATION

2-4-1, Shibakoen, Minato-ku, TOKYO, 105-8524 JAPAN

BSI No

F99B536

SUBJECT

Countermeasure to Cracking in the COVER-OPT-L

MODEL

CATEGORY

Countermeasure to field trouble

From Apr. 1999

CONTENT

Due to leaking of the oil (Launa 40) used for the optical system, cracks have developed COVER-OPT-L in the BASE-OPT. As a countermeasure, the following parts have been added or changed.

[Changed/Added Part No.]

MODE L 1340 1350

1360 1370

P-I: Page-Item P: Contents of Change I: Interchangeability R: Reasons for Change

1340, 1350, 1360, 1370

FIELD APPLICATION

Others

FACTORY APPLICATION

P-I Before Change After Change Note P I R FAA 6-5

6-28

6-61

6-68

4402851470 COVER-OPT-L

----- 4402862090

4842040690 TZPAN3006MSZN3L

4402862080 COVER-OPT-L

FELT-OPT-SUB

----->

4402203820 SCREW-BKT-DEV

Screw hole diameter changed Two felt pieces added

Q'ty changed 7 pieces --> 5 pieces 2 pieces added C B D

Date

99/03/15

UNIT

Drive Section

DTM-F9205

C B D -

A B D Y

D - D -

BSI No. F99B536 Page 2

diameter

bottom)

1. Addition of felt for oil (Launa 40) absorption

4402851520 BASE-OPT

4402851810 BRKT-SHAFT-SCAN

4402862090

2. To cut down screw stress in the COVEROPT-L, the current screw has been changed to a stepped one. (Change of screw hole diameter of COVER-OPT-L

)

4402851470 COVER-OPT-L

4402851520 BASE-OPT

Current

4842040690

New

Screw hole

TZPAN3006MSZN3L

FELT-OPT-SUB (Added 2

points at the top and the

P.6-5,68 P.6-28

4402203820 SCREW-BKT-DEV