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# REMOVING THE SWITCHING REGULATOR
1. The switching regulator can be removed
by first re-
moving screw (a) and the connector shown in Fig. 5.
i
| m= REPLACING THE PICKUP TUBE
:
on
If only replacing the pickup tube, do not remove the
j
Screw (a;
preamplifier.
Remove the two screws (a) shown in Fig. 8-1.
2. As shown
in Fig, 8-2, remove screw (b) and pull the
DEF board in the direction of the arrow (A).
After removing the tube socket, gently pull the DEF
yoke in the direction of the arrow ®.
NOTE:
Avoid
pulling
forcefully
on
the preamplifier
and hold the DEF yoke section.
3. Remove the LPF & BIAS light shown in Fig. 8-2.
4, Remove
the DEF
yoke by removing the connector
and soldered points shown in Fig. 8-3.
5. Loosen
the screw
©
shown
in Fig. 8-4, press the
lock shown
in Fig. 8-5 in the direction of the arrow
i
and pull out the pickup tube in the direction of the
= REMOVING THE MOTRER BOARD
[
Shei ©
arrow shown in Fig. 8-4.
1. The
mother
board
can
be
removed
by
removing
i
screws
and
®
shown in Fig. 6.
If necessary
remove connectors, etc.
Fig.5
Removing the switching regulator
Fig. 8-2
Removing the pickup tube (2}
Connector
___ © REMOVING THE PREAMPLIFIER BOARD
1, Remove the connector as shown in Fig. 7-1 and pull
out the two screws
3
2. Remove
the one piece of solder and disassemble the
shield case. (Fig. 7-1}
3. Remove
the solder at the two points shown in Fig.
7-2 and pull out the preamplifier BOARD.
NOTE:
Be careful that you don't damage the target pin
Fig. 7-1
Removing the preamplifier BOARD
(1)
Fig. 8-3
Removing the pickup tube (3)
-
|
Soldering
i
ti
(Target pin)
H
i !
bork
Screw ©)
—
.
f—
;
Pickup tube
_
|
—
'
:
:
t
i
1
\
{
f
*
Hl
Preamp
~ —
Af :
A i
3
~
"4
i | |
°
ja
!
.
i
OB
'
;
:
yt
[4
Fig. 7-2
Removing the preamplifier BOARD
(2)
Fig. 8-5
Removing the pickup tube (5)
Fig. 8-4
Removing the pickup tube (4)
(No. 5550) 11£
22€ (No. 5550)
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