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4-2.
MOUNTING
DIAGRAM (1)
@
DC-DC
Converter Board
MX-P21
MX-P21
4-3.
SCHEMATIC
DIAGRAM (1)
@
DC-DC
Converter Board
B
10
@
Semiconductor Lead Layouts
MB3759
2S8A1175
i
2S8C2785
Note:
line
if
n+]
@
O—-:
parts extracted from the component
side.
ne
@
*
: (US)
......
Serial No. up to 820100
or
:
(Canadian). . . Serial No. up to 730000
dot
12
n
(UK) ......, Serial No. up to 660000
aoe Mew
:
SAWS)
sce
ie ae
i a l
N o .
8201
lat
CB
=e
ae dian)
a i F000 a ier
posed
anadian})..
.o€rla
oO.
an
ater
2SC2334
(AEP) 2 j25 2-8 All
~~
;
oe eee Serial No, 660001 and later
.
:
pattern
a
a
|
\
ca =
TO METER
& PS
BOARD
(INPUT)
ESAC31-02D
ESAB85-009
RDS.6EB3
ERB44-02
.
RD7.5EB3
Ss
182348H
cathode
'
alia
Ky
cathode
~.
anode
anode
10
a
——————
Q4,5
2801049
INVERTER
Q2
28C278
Q6
mane
\
28C2334
RIPPLE FILTER
D2
RD7.5EB
C10
RQ
1
0047/50
1 47k
a4
=
av MD
=
02
| >
Ri
o,.
OV
7.2V
RI2
10k
4
100
Gro
a
:
0 POWER TRANSFORMER
hy
H
=
BHIELD.
'
:
=
D3 04
a
oi
So
36 ySEC
es
25V
-
pee
=]
a
i6Vp-p
~15.3V
bay Bo
5
Q7
98
D8
arr)
D3,4
2802334
2SAl012
ESAC3i-02DC
ESAC31-02DN
1$1588
RIPPLE FILTER——
RECT
RECT
xR
Note:
e@
All capacito
50WV
or le
and tantalur
e
All
resistors
kQ
: 1000!
Eat
: non
("—_] : adjt
Readings
ar
VOM
(50 ké
: (US).
(Canad
(UK) .
: (US)
.
(Canad
(AEP)
(UK).
e
e
*
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