HP 8340b - Page 476

HP
8340B/41B
Assembly-Level Service
Repair
Procedures
HOW TO CLEAN
PRINTED CIRCUIT
BOARD
FINGERS
1.
Mix
one
part
de-ionized
(or
de-chlorinated)
water
with
two
parts
isopropyi
alcohol.
2.
Apply
this
solution to
a
clean,
lint
free,
cloth
(HP
Part
Number
9310-0039
CD3).
3.
Rub
the
PC
board
fingers
carefully,
then
dry them
with
a
clean part
of
the
cloth.
MODULE
EXCHANGE PROGRAM
The
module
exchange programs
lets
you
exchange
specified
microcircuits
for
fully
tested
and
guar¬
anteed
restored-exchange
modules
at
a
reduced
price
(contingent
on
the
return
of
the
defective
microcircuit).
For
detailed
information
on
the
module
exchange
service
and
how
to
use
it,
see
the
RF
section
functional
group
(replaceable
parts).
A-50
Assembly-Level Service
After
Service
Safety
Checks
HP
8340B/41B