NAD M27 Service Manual page 16

4.NC400 OEM BOARD(2/4)
CTRLH
D9
BAW56W
D10
T7
3
BC856BW
5V6
CTRLL
R34
1k
MMBT5401
R38
T12
T13
SCCP
BC846BW
1k
R40 R39
GND 2k2 1k
L1
+VB
1u/8A
R7
C15
1R
22u
D1
1
C16
100n
GND
BAV99W
GND
T5
BF622
VDR
D7
R24 L4
1
600R/0.2A
2R2
R29
10k
BAV99W
T10
BC846BW
GND
C31
470n
C33
GND
100n
R41
D14
C34
1R
5V6
470n
-VB
2
D2
R10 R11 BAV99W
C17
10k 470R 3
R12
15p
D3
220R
D4 T3A
3 BAV70W MBT3906
BAS316
T4
BC807W
T3B
C21 R17 MBT3906
D6
C22
220u 1k
15V
470n
T1T6:fmmt618;T4T11fmmt718
2
D8
BAV99W
R30 R31
C28
3
10k 470R
R32
18p
D11
220R
D12 T9A
3 BAV70W MBT3906
BAS316
T9B
MBT3906
C32
R37
470n
1k
C35
L6
22u
1u/8A
16
C76 C5 C6 C7 C8
100n 100n 100n 100n 100n
R144 R2 R3 R4 R5
1R 1R 1R 1R 1R
+PS
C10 C11 C12 C13
R8 100u R9 100u 100u 100u
33k 2.5m
GND GND GND GND
C18 L2 R15:NC
C18
T1
150p L2
BC817W
C19 R13 33n
T2
R14
10R
470n 2R2
D5
FDP42AN15
R15
C20
12R
2V4 100p
R16 VDR
GND
100k
GND
R18
L3 33k
V S W 10u O U T
C23
R22 C24
4n7
GND
R23
6R8 330p GND
GND
R25
4R7
0.5W
VSW
1M
C29
T6 BC817W
GND
150p L5
C30 R33 33n
T8
C29 L5 R35 :NC
470n 2R2
D13 FDP42AN15
R35
T11 BC807W
12R
2V4
R36
100k
T2,T8:FDP52N20
GND GND GND GND GND
R42
C36 C37 C38 C39
2.5m
100u 100u 100u 100u
-PS
C41 C42 C43 C44
100n 100n 100n 100n
R43 R44 R45 R46
1R 1R 1R 1R
GND GND GND GND GND
C9
100n
R6
1R
+ISENSE+
C14
100u
GND
+ISENSE-
LSENSE+
J8
1
GND Mounting Hole
LSENSE-
FBLH
R19 R20 R21
1R 1R 1R
OUTH
C25 C26 C27
680n 680n 680n
OUTC
R26 R27 R28
1R 1R 1R
FBLC
J9
1
GND Mounting Hole
-ISENSE+
C40
100u
-ISENSE-
C45
100n
R47
1R