HP 54540 Series - Page 85

To troubleshoot the instrument
©) FROM CHART 1
FORM KEYBOARD [oxaar 4 |
CHART 4
SELFTEST (Se ST
JENU, MISC ,KEYSOARD)
YES
| creck KEYBOARD
| ASSEMBLY CABLE
* FOR CONTINUITY
Y
=
NO
'
REPLACL
KEYBOARD
aa
1
ASSEMSLY
(me)
GO
10
CHART
1
1 YES
saneaart
Trouble fsolation Chart for Keyboard
5-7