IBM 5251 Series Maintenance Information Manual page 76

138
(continued)
Planar
80ard
I nterposer I
I
Internal
Keyboard
Cable
Keyboard
Signal
Cable
I I
Connector B
I
I
--I~l~'J-til
802
13
-1-7
-r=:\
I
B02 ' \
I
002
I
002
I
I
I
I
I
II'
Access
I
Panel
I
1-8-806
I
13 806
1-8-003 25 003
-5 Vdc
+5 Vdc
Ground
I
1-8-008
I
23,,24 0?8
1-58
Keyboard Logic
Printed Circuit
80ard
002
Clean both sides
of the pad
printed circuit
board connector
contacts (130).
------~« »~----------------->.~~~----------------~~~~------
+5V
I I I I
I
I
I
I
I
4 807
_-o_a_ta_S_t_ro_be~~~
______
~~~>
________________________
~~~>
______________________
~~~
I
I :
l~·-I
O,;ve,
+Oela¥ Strobe
I
I
I
~<
1-B-Oll
»>-__________
~».>----------~;11
Driver
I
I I
L '
+5V
-Powe,-On Reset
I :
1
~
oL
~<
1-B-007
»
»~
___________
~)
Driver
I I I
I