ENGINEERING CHANGE NOTICE

ECN Number:____________6_____________________

Product:_Decision 1 Switching Power Supply___

Part Number(s):___SWPS-UN____________________

Current Assembly Revision Number:____5_______

New Assembly Revision Number:_______6________


Purposå  oæ Change:__Decrease the chances of a short between___

the chassis and +12 volt leads supplying the fan with power.___

_______________________________________________________________

Modifications (attach additional sheets if needed):  __________

1©  Removå  olä  faî connectioî wireó froí soldeò sidå  oæ  bottoí �

    supplù board (PC-5672C) if they had already been installed.

2)  Attach new cable to accross R25 on bottom board as shown__

____in figure 1. Cable should be built as shown in figure 2.

APPROVED:      Engineering:______________________Date__/__/__

               Production:_______________________Date__/__/__

               Quality Assurance_________________Date__/__/__

               Customer Service__________________Date__/__/__

               Purchasing________________________Date__/__/__

               Marketing_________________________Date__/__/__

EFFECTIVITY:   [ ]  Immediate - notify current production

               [ ]  Notify users and update stock

               [X]  Phase in as stock is depleted


Submitted by:__Bob Groppo_________________________on 10/17/83
 
Page_1_of_6_                                Drawings?_YES___
                                             (FAB, ASSY, HARNESS, BOM)


Form ECN Rev-2 9/83
ŠECÎ Number:_______6_________ß                                Dateº 10/17/83
          
PRODUCTº ________SWPS-UN_______ß                             Pageº _2_ of _6_



MODIFICATIONSº            3® Routå wireó tï chassió mountinç holå �
(cont.)                      buô  dï  noô TY-WRAÐ wireó tï thå  AÃ �
                             harness.

.pa
ŠECÎ Number:_______6_________ß                                Dateº 10/17/83
          
PRODUCTº ________SWPS-UN_______ß                             Pageº _2_ of _6_


Changå  Decisioî  ±  Switchinç  Poweò Supplù (SWPS-UN©  Bilì  oæ  Materialó  aó �
follows:

DELETE:

PART #              Description                            QTY.

160-0014-00         Wire 24 Gauge Black                    .58 ft.
160-0014-00         Wire 24 Guage Black                   1.25 ft. 
               
160-0015-00         Wire 24 Gauge Blue                     .58 ft.
160-0015-00         Wire 24 Guage Blue                    1.25 ft. 



REPLACE WITH:

PART #              Description                            QTY.

160-0014-00         Wire 24 Gauge Black                      6 "  
160-0014-00         Wire 24 Guage Black                     14 "
               
160-0015-00         Wire 24 Gauge Blue                       6 "  
160-0015-00         Wire 24 Gauge Blue                      14 "   





PARTS LIST SHOULD NOW LOOK LIKE:

LEVEL  PART #              DESCRIPTION                            QTY.

1      501-0012-00         PWR SPLY, DEC1, ASM A                   1

 2     400-0048-00         DC Fan Harness, Decision 1              1
  3    146-0024-00         CONTACT PIN, AMP, UNIV, 18-24 G.        2
  3    150-0037-00         HOUSING, TERMINAL,AMP UNIV RECP 2       1
  ³    160-0014-00         Wire¬ 2´ G¬ stranded¬ Blacë             14"
  3    160-0015-00         Wire, 24 G, stranded, Blue              14"  

 2     400-0047-00         Power Supply / Lamp  Harness            1
  3    146-0012-00         CONTACT SOCKET, AMP, CMRCL, 18-24 G.    2
  3    150-0039-00         HOUSING, TERMINAL, AMP CMRCL, PLUG      1
  3    160-0014-00         Wire, 24 G, stranded, Black             6"      
  3    160-0015-00         Wire, 24 G, stranded, Blue              6"