Toshiba f98a147 Service Note

BSI(Service Note) TOSHIBA

TOSHIBA TEC CORPORATION

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

BSI No

F98A147

SUBJECT

Change of FROM Connector (PWA-SYS)

Date

98/02/05

MODEL

CATEGORY

Other countermeasures

From Jan. 1998

CONTENT

The socket installed in the FROM (PWA-SYS, J66) may be broken if the FROM is exchanged

roughly and therefore it has been changed.
Current socket (plastic) has been changed to a socket which is used at J67/J78 of PWA-SYS
(steel). The pattern has also been changed correspondingly.

Part Name
PWA 53-0

PWB 53-1
Socket 54-567

The following two points on the PWA-SYS have been changed.

DP2460

FACTORY APPLICATION

Page-Item Current New Remarks Interchangeability

FIELD APPLICATION

To be applied when necessary

4408682210
PWA-F-SYS-220C
4408682710
PWB-F-SYS-220C
4843321642
SKT-MM20144B21T

4408682300
PWA-F-SYS-220D
4408684600
PWB-F-SYS-220D
4843321636
SKT-179601-1

UNIT

Electrical Circuit

J67 B

B
B

1. Manufacture change

4843116421 IC-SN74ALS245AE --> 4843116560 IC-DM74ALS245AX
4843116420 IC-SN74ALS541NE --> 4843116562IC-DM74ALS541SX

2. Change of Part Number and Part Name
3040492050 IC-TMPR3904F --> 3040492213 IC-TMPR3904F(YN