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MX-P21
MX-P21
4.3,
SCHEMATIC
DIAGRAM
(1)
@® DC-DC
Converter Board
e
H
I
J
oA
B
Cc
| MX-P21
ICI
MB3759
CONTROL
1
=
aK
~
a
ay
sor 5
SANIT
shi
2SD1049.
2SC278
2SAll
23 )SEC
2SA1012
a6
INVERTER
°
——
DRIVER
eros
CHOPPER
|
2
28C2334
_
Ut BV p=P
RIPPLE FILTER
b
02
RD7.5EB
Ve
7.3V,
15H
150uH
r4y
Ql
poo
1)
QQ
SF.
C10
Cy,
i
ot
0047/50
C
-l-+
3
HE
|
se ge
aa
=
25V
"b
a
:
lf
Dele
Tandab
CH :
SINS
Ty
,
4
nas
ESAB85-009
FLYWHEEL
(0 POWER TRANSFORMER
a
\
{
BHIELD.
'
'
OY
tv
5
03 04
a
-|
38ySEC
a
sh ee as
dake
1B3
AB pSEC
_
.
38ySEC
|
7]
mo
l6Vp-p
:
TO METER & PS
oH
a
at
iad
zee
SLE
Ly
L fa
BOARD
; are
(INPUT )
6
-15.3V
oan PSY
35
Q7
Q8
D8
e n
s:)
D3,4
28C2334
2SAl0i2
\neere
ESAC31-02DN
1S1588
RIPPLE FILTER——
RECT
RECT
|
|
7
Note:
e
All capacitors are in uF unless otherwise noted. pF : uuF
D
ESAB85-009
RD5.6EB3
ERB44-02
SOWV
or less are not indicated except for electrolytics
RD7.5EB3
8
and tantalums.
182348H
cathode
'
th
Ky
cathode
2
3
nal tq |
a
Ss
1
|
anode
mi
9
1
3
?
10
+26=
e
All
resistors
are
in ohms,
%W
unless
otherwise
noted.
kQ : 10002, MQ
: 1000k2
©
fw} : nonflammable resistor.
e
([.__] : adjustment for repair.
e@
Readings
are
taken
under
no-signal
conditions
with a
VOM (50 kQ/V).
e
*
:(US)......
Serial No. up to 820100
(Canadian).
. . Serial No. up to 730000
(UK)...
2... Serial No. up to 660000
e**
> (US)
......
Serial No. 820101 and later
(Canadian). . . Serial No, 730001 and later
(AEP)
.....
All
(OK)
oxen
k Be Serial No, 660001 and later
16.5V
QV
O07
VOLTAGE
Ll
2.2mH
16.6V
INPUT
\
23y SEC
VA AMEN a
23uSEC
JUL
Note: The components identified by shading and mar
A are critical for safety.
Replace only with
ified
Note: Les composants identifies
par un trame et une
marque /\sont critiques pour la sécurite. Ne les
remplacer que par une piece portant le numero
specifie.
Note: Voltages are measured with a VOM (50k22/V).
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