HP 8559A Operation And Service Manual page 305

MODEL 8559A
L 1 6 MOTHERBOARD
PIN ARRANGEMENT SHOWN FOR A16J1 IS AS
SEEN FROM TOP (COMPONENT SIDE) OF
MOTHERBOARD.
RIBBON CABLE ASSEMBLY
I .
ASSEMBLY). NOTE THAT A2AlJ3 CONTACTS 1,7,8,
AND 14 ARE NOT USED. ALSO THAT PIN NUMBERS
MOLDED ONTO PLUG A 2 A l W l P 3 DO NOT
NECESSARILY CORRESPOND WITH A2AlJ3
CONTACT NUMBERS.
SOLDERED TO PC BOARD PLATED-THRU HOLES,
COLLECTIVELY DESlGNATEDAZAlJl.
PIN ARRANGEMENT SHOWN HERE IS AS SEEN
FROM FRONT OF A2A1 FRONT SWITCH BOARD
ASSEMBLY