NAD CI 940 Service Manual page 14

5.DUAL VOLTAGE BOARD
R965
1K
R966
D952
BAS316
100K
R953
Q950
BC856BW
R955 R956 R957
R 960
Q952
BC846BW
R964
Q953
BC846BW
Q955
BC846BW
C952
220nF/25V R967
R968 D951
BA T54J
D953
BAT54J
D954
BAT54J
D955
BAT54J
AC --L
1 0N 1 0 0 0 V
AC --N
3 9 0 K
H V --D C
3 9 0 K
AC -D E T
AC -SW
R951
909K
R958 R959
U950A
LM393
2 U950B
1 6
3 7 C951
5 220nF/25V
LM393
C955
U951
1nF/25V
TL431
C956
22U/10V(C3216X 5R1A 226M T)
R971
10K
R972
1K
VCC
GND
J950
TO INT BOARD
9PIN 2.0M M
9K1
3 8 3 K
3 9 0 K TBD
TBD
TBD TBD
AC auto switch dela y time adjust
16
VCC
R950
100R
R952 C950
100N
Q951
R954
BC856BW
R961 R962 R963
Q954
D950
BC846BW
U950C
C953
12V LM393
C954 R969 100N
100N R970
Q956
BC817-40
C957
R973 R974
470K 220K
4U7 GND
G N D
D C DE TE C T output 1 1V 5mA when HV > 2 3 0VD C
VC C 1 2 V