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Chapter 6
REPLACEABLE PARTS
This chapter contains information for ordering calculator replacement parts. The chapter
consists of one table and two figures. Figure 6-1 shows the part numbers for keyboard
keycaps. Figure
6-2
is a primary power wiring diagram. Part numbers for Figure
6-2
are
referenced to Table 6--1, the replaceable parts list. Table 6-1 contains -hp- ordering
information only; manufacturers' part numbers are not provided.
PI\I'I
H
T
'PRI OH,
PHINT:
)-1)11
lt1)!J
74)G
I
CUAR
I
211M!)
STOP
i
,
--_../
2374
AUTO']
iRND! Ii
I
SHIFT :
2~21
2422
2420
~_ECAl~ l~)
2402
2403
C
a)
(9~)
_)
_ J
2417
2418
2419
800
1~00
2411
2412
2413
~o
2371
2410
UNE
I
2427
l(
J
l) )
2404
2405
C~ (~J
2406
2409
8
2407
8
+
2373 __ 2408
r -
2372
l
All
numbers
should be prefixed WIth 0370-
~--------_----../
Figure 6-1. Keycap Part Numbers
r------------------------------~
. A3 POWER MODULE
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I
:
it2ov1
I
1
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I
I
:@:
•
INTRODUCTION
..
"
I·
¢
~I('
I
FI
*
:
:
1
8
:
k2(
......=0"--_ _ _ _ _ _ _ _ _ K: (3('9 VAC
...
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1
I
c$i
:1
1
I
I
i
~:J~I
~--~--
!
L ________________________________
~
*
DISCREET COMPONENT CONNECTED TO POWER MODULE
• • PIN 1 110 DOT ON SOARD MUST BE AlliGNEO
• USE 25 AMP FUSE FOR 240 V OPERATION
USE
5 AMP FUSE FOR 110V OPERATION
,
,
,240V,
:0:
:~:
1 8
I
1
1
!
C
I
I
I
:~:
I
I
I
I
,
E 1
:
I
:®:
L __ .J
EI
SELECTOR
CARD
Figure 6-2. Primary Power Schematic
..
,
I· +5V
01
6-1
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