Mitsubishi DA-C20 Service Manual page 9

6) with the right side panel
spread
outward from
its
normal
pos.ition,
lift
up
the turer section
and
arranqe
it as
shown
in Fig.
6.
To
prevent
sho
rt-
ci rcui
ting
be-
tween
the tuner section's
chassis
and
the preamplifier's printed
ci
rcu.it board, insert a cloth or
the like in
between,
7) with the set in this aondition,
the front
end
can
be adjusted.
8)
To
remove
the printed circuit
board from the chassis
when
re-
placing the parts
on
it,
the
follo\^7ing screws
are to be re-
mo
ved.
(1)
Take
off the
two
holder set-
screws
for
meter mounting
(K
in Fig.
7)
.
(2)
unscrew
the two push switch
assenbly screws
(L in Fig,
7)
.
(3)
Unscrew
the
two
printed cir-
cuit board
assenbly
screws
(M
in Fig. 7).
Disassembl-ing Preampli
fie
r
Section
1)
The
order of
disassembly
is
the
same
as
that for the tuner
section, steps l)
through 6).
However,
at
Step
6), the
tuner
section
should be placed
at
the
back.
2)
Remove
the two front
chassis
fixj-ng
screws
(N
in Fig. 5) of
the preamplifier
se c
ti
on.
3)
Remove
the three
volume
fixing
nuts (P of Fig. 5) of
Lhe
front
chassis section,
4)
Take
off the switch
assenbly
screw
(Q
of Fig. 5) of the front
chassis section.
5)
Remove
the
two
printed circuit
board
(PA-66) asse(0f,ly
s
crews
(Y
in Fig. 4).
6)
Remove
the coupling section (in
the direction of
R shown
in
Fig. 6) of the selector
switch
and
extension shaft.
7) Lift
up
the front chassis
and
turn the printed circuit
board.
PA-67
toward
this side.
(The
condition
sho\am
in Fiq'.
6)
Fig.6
Fig.5
P.C
Board
P.C
Board
M
l\4
-9-
Fiq.7