Nexo NX242 Service Manual page 36

1 2
D
Input+
C
Input-
B
+15V
+15V in
C1908
A
47N
1 2
3
+15V
U1903A
C1910
MC33078
100P
2
1
V+
3
V-
-15V
C1901
1N 5%
R1911
2.87K 1%
R1912
2.05K 1%
R1913
1.47K 1%
U1902
MAX308
4 2
S1 EN
5 1
S2 A0
R1914
6 16
1.05K 1%
S3 A1
7 15
S4 A2
12 8
S5 D
11 13 +18V
S6 V+
10 14
S7 GND
R1918
9 3 -18V
715 1% S8 V-
R1919
511 1%
R1920
365 1%
R1921
909 1%
-15V +18V
-15V in +18V in -18V in
C1909 C1906
47N 47N
3
4 5
+18V
U1901A
R1902
4.64K 0.1%
NJM2114D
2
1
V+
3
V-
R1903
4.64K 0.1%
-18V
R1906
8.87K 0.1%
C1904
R1916
100P 5%
11.5K 0.1%
R1915
12.4K 0.1%
U1901B
R1904
4.64K 0.1%
NJM2114D
6
7
5
R1905
4.64K 0.1%
R1922
750K 1%
Gain EN
R1917
Gain A0
9.76K 0.1%
Gain A1
Gain A2
C1905
33P 5%
-18V
C1907
47N
4 5
6 7
R1907 C1902
15 1%
470UF 35V
Out+
R1909
100K
C1903
R1908
15 1%
470UF 35V
Out-
R1910
100K
NX242 TDcontroller (revision 1)
Excem
12, chemin des Hauts de Clairefontaine
78580
http://www.excem.fr
tel: 01 34 75 13 65
tel int: +33134751365 fax int: +33134751366
6 7
8
D
C
B
A
Client :
NEXO
Fichier :
NX242rev2_0-S19.sch
MAULE FRANCE Auteur :
Frédéric Broydé
mailto:info@excem.fr Numéro de dessin :
0409230111
fax: 01 34 75 13 66 Date :
6-Oct-2004
Feuille : /
11 19
8