Sony MX-P21 - Page 10

astening
BA
P4x 10
scan
ttom.
326x8
(LED
2 (two)
located
k and
CONNECTOR PANEL
C1) Remove 4 (four) +B3 x 6 screws and
4 (four) lock washers {3 mm dia.).
@
Remove
2
(two)
+B3
x
6
screws,
2
(two)
lockwashers
(3
mm
dia.)
and
2
(two)
rubber
feet.
©
Connector
panel
can
be
withdrawn
a
few
centimeters.
t
CIRCUIT BOARD
@ Remove 2 (two) +PSW3 x 6 screws,
[
=n
RR
ARANEDSED
ANIA
ROA
CONVERTER.
DC-DC
CONVERTER
AND
DC-DC
CONVERTER
MX-P21
© Remove 2 (two) +P3 x 8 screws and DDC bracket.
(4) Remove 22 (twentytwo)
+P3 x 4 screws and case lid.
© Remove 3 (three) +P3 x 4 screws.
@ Remove 2 (two)
+PSWS3 x 6 screws,
@ Remove 4 (four) +P3 x 12 screws and 4 (four)
transistor brackets.
(8) Circuit board checking can be made in the following
condition with power applied and without transistor
brackets for a short period of time,
SIDE FRAMES, REAR COVER AND FRONT COVER
C1) By using a long phillips-head screwdriver, remove &
(eight) +PSW3 x 6 screws. Side frames, rear cover
and front cover can be removed together upwards.
The
following
showns
unit
with
side
frames
and
covers
removed.
@ Remove 5 (five) +PSW3 x 6 screws,
PGA board can be fanned out upwards using harness
side as pivot,
[ HaA-1, HA-2 AND SUB IN BOARDS
e"
a Br de le Tedd ed b et:
FEF TE PERE
=
e
s
8
.
a
ba
y
9
«
a
e
Y
t a
ind
ae
|
iy
PRG
jointly
PRT
SE
tem,
|
sunning
ERATE,
@ Unplug 3 (three) connectors,
© Pull off contro!/switch knobs and buttons, and,
remove all control/switch nuts.
HA-1 HA-2 SUB IN
4 ) Following shows unit with HA-1 board
for channel-1 removed.