NAD T 775 Service Manual page 58

MAIN BOARD
J7001A
To Conn#2 J7001B
1 AC4.8V2
2 AC4.8V1
3 AC8.8V4
4 AC8.8V4
5 AC8.8V3
6 AC8.8V3
7 AC8.8V2
8 AC8.8V2
9 AC8.8V1
10 AC8.8V1
11 AC17.6V2
12 AC17.6V2
13 AGND
14 AGND
15 AC17.6V1
16 AC17.6V1
17 AC29V
18 +12.3V
19 +5.3V
20
AGND
D7001
2
RS605
AC 600V 6A
4 1 IN OUT
U7001
- +
C7019 C7018
C7029 C7028 7805
2200u 0.1u
AC 4700u 0.1u GND
25V
25V
3
DGND
D7002
2
RS605
600V 6A
AC
4
1 IN OUT
- + U7002
C7022 C7023 7805
C7008 C7010
2200u 0.1u
AC 4700u 0.1u GND
25V
25V
3
DGND
IN OUT
U7004
C7025 C7024 7805
2200u 0.1u
GND
25V
DGND
+39V
R7006
D7006 D7004
0.22 1/2W
(FUSIBLE)
1N4007 1N4007
C7007
C7015
330u
0.1u
50V
DGND
IN OUT
U7003
7812
C7032 C7033
2200u 0.1u
GND
25V
AGND
+15V
D7003
2
RS402L
70V 4A
AC
4 IN OUT
1 U7005
- +
7812
C7001 C7002
AC GND
6800u 0.1u
35V
3
IN U7006 OUT
C7005
C7004 C7003 7912
1000u
6800u 0.1u
GND
35V
AGND
TO Conn#1 J7007B
J7007A
+5V_DSP
C7020 C7021
1000u 0.1u
25V
+8V_V
+5V_V
C7017 C7016
1000u 0.1u
25V
+5V_K
C7026 C7027
1000u 0.1u
25V
R7001
33k
+12V_D
C7031 C7030
1000u 0.1u
25V
+12V_A
C7011 C7009
1000u 0.1u
25V
-12V_A
C7006
0.1u
25V
56
TO Conn#1 J7006B
J7006A
U7007
D7005
LM317
0
IN ADJ
OUT
AC4.8V2
AC4.8V1
+12V_D
+12V_A
-12V_A
J7002
AGND
AGND
+5.3V
R7002
1k
R7003
3.3k
DGND
J2003B
To MCU J2003A
1
2
+5V_K 3
+5V_K 4
+5V_K 5
+5V_K 6
DGND 7
DGND 8
DGND 9
DGND 10
+39V 11
12
13
+15V 14
15
AGND 16
17
+5V_V 18
19
20
21
22
23
24
25
26
27
28