NAD CI980, Service Manual, Page: 14 / 35

16
3.GLOBAL IN BOARD
R1
100K
R3
3.3K
R5
33K
R9
10K
R7
10K
R11
220
R13
1K
R15
100K
3
2
1
8
4
IC1A
MC4558D
5
6
7
IC1B
MC4558D
C1
10uF
C3
470pF
C5 33pF
C7
100nF
+12V
-12V
C9
100nF
1
2
3
VR1A
R1121GOXH1G503YJ0000
4
5
6
VR1B
50KB
GL OBA L IN
R2
100K
R4
3.3K
R6
33K
R10
10K
R8
10K
R12
220
R14
1K
R16
100K
3
2
1
8
4
IC2A
MC4558D
5
6
7
IC2B
MC4558D
C2
10uF
C4
470pF
C6 33pF
C8 100nF
+12V
-12V
C10
100nF
GL OBA L IN
GL OBA L OUT
GL OBA L OUT
ALR OUT
ALL OUT
C11
470pF
C12
470pF
4
3
RCA1A
BNCAV2-8.4-14
2
1
RCA1B
BNCAV2-8.4-14
4
3
RCA2A
BNCAV2-8.4-14
2
1
RCA2B
BNCAV2-8.4-14
1
2
3
4
5
6
7
8
CJ106B
XHB 2.5A-8A
+12V
-12V
ALL OUT
ALR OUT
Q1
2SC1815
R19
10K
R21
NC
Q2
2SC1815
R20
10K
R22
NC
+12V
-12V
MUTE
ALL OUT
ALR OUT
L IN
R IN
R IN
L IN
MUTE
M
U
T
E
D1
1N4148
MUTE
M
U
T
E
D2
1N4148
MUTE
R17
47
R18
47
C13
220pF
C14
220pF
L1
Comment: 2.7uH
L2
Comme nt: 2.7uH