NAD M27 Service Manual page 15

4.NC400 OEM BOARD(1/4)
J3
SDA/READY
D29
35
CLIP
33
A1/OPTION
31
BAS316
I N B +
29
GND 27
-Vop 25
R1 23
OUTH
21
FBH
4R7 19
FBC
17
C3 15
OUTC
13
4n7 VDR_EXT 11
-VB 9
7
GND 5
3
+VB 1
CON_2x18MH
Modulator
INB+
INH
INB-
INC
FBH
FBH
FBC
FBC
FBLH
FBLC
ENABLE
CLIPPOS
CLIPNEG
Control
ENABLE
CLIPPOS
CLIPNEG
A1/OPTION
A1/OPTION
A0/nAMPON
A0/nAMPON
SCL/nFATAL
SCL/nFATAL
SDA/READY
SDA/READY
SCCPIND
SCCPIND
VDR_EXT VDR_EXT
CLIP
CLIPIND
IOUT
IOUT
NC400OEM
SCL/nFATAL
36
SCCPIND
34
A0/nAMPON
32
I N B -
30
IOUT
28
+VB
26 +Vop
24
22
OUTH
20 GND
18
OUTC
16 -VB
14
12 VDR_EXT
10 -VB
8
6 GND
4
2 +VB
Power
PSRR+
PSRR-
CTRLH
CTRLC
+HVPS
+ISENSE
-ISENSE
-HVPS
SCCP
VOUT
VSW
LSENSE+
LSENSE-
-
V0.1 Sheet 4 - uP.SchDoc
Mechanical Mechanical Mechanical
Bare PCB SILPAD_TO220 TO126
Mechanical Mechanical
Assembly SILPAD_TO220
C1 Mechanical
100n Screw insulator M3
C2
100n
Mechanical
C4 Screw insulator M3
100n
Mechanical Mechanical
M3 M3
Mechanical Mechanical
M3 M3
Mechanical Mechanical
M3 M3
Mechanical
M3
Stage
OUTH
+ISENSE+ OUTH
OUTC
+ISENSE- OUTC
-ISENSE+
-ISENSE-
GND
CTRLH FBLH
CTRLL FBLC
SCCP
VSW
15
Spacer 3.5x6x7.3mm ALU Hansong
Mechanical
Spacer ALU 3.5
Spacer 3.5x6.3x5mm ALU Hansong
Mechanical Mechanical
Spacer 3.5x6x4.5mm
Spacer ALU 3.5 Spacer ALU
Mechanical
Mechanical
Spacer ALU 3.5
Spacer ALU 3.5
Mechanical Mechanical
Spacer ALU 3.5 Spacer ALU
Mechanical
Mechanical
Hsink SAA6L8W0H2T1 Hsink SGG8L6W2H0T1
Mechanical Mechanical
Mechanical
M3 M3 M3x16
Mechanical Mechanical Mechanical
M3 M3 M3x16
Mechanical Mechanical
Mechanical
M3 M3 M3x16
Mechanical
Mechanical
M3 M3x16
Mechanical Mechanical
M3x16 M3x16
Mechanical Mechanical
M3x16 M3x16
Mechanical Mechanical
M3x16 M3x16
Mechanical
M3x16
J1
1
GND Mounting Hole GND
J4
1
GND Mounting Hole GND
ALU Hansong
J2
1
Mounting Hole
J5
1
Hole
Mounting