NAD VISO 1 Service Manual page 27

DDFA BOARD (7)
3V3
C1 98
1uF
U2 0
1 8
844kH z CK Vc c
2 7
D PR
3 6 G ND
Q CL R
4 5
G ND Q
NC7 SV7 4K 8X
1
2
G ND 3
4
R1 41
G ND
NO FI T
R7 4
BZ X8 4C6 V2 -7-F D7
4k7
C1 83
PSU Driv e
100nF
D1 0
BAT 54A-7-F
R7 6
8R2
G ND
D1 2
C1 86
L10
PSU Driv e
50nH
10uF
SDM4 0E2 0LS -7-F
C1 88
10uF
G ND
D1 3
C1 89
10uF
SDM4 0E2 0LS -7-F
D1 4
C1 91
10uF
SDM4 0E2 0LS -7-F
P25V
C1 92
U1 9
100nF
AP 5004-G -13
5
VIN
6 VOUT
VIN
R7 8
C1 94 100k
1
E N
100nF
Q1 7
C1 95
100nF
FMM T449TA
R1 46
G ND
33R
P5V2 5 P5V2 5
C2 03
C2 2
4u7F
1uF
P5V2 5
G ND G ND
Q6
U1 8
8 1 8
I P1 Vc c SN DN
7 2 7
OP 3 OP 1 G N DN
PSU Driv e
6 3 6
I P2 I P3 SP DP
5 4 5
G ND OP 2 G P DP
NC7 NZ 17K 8X
ZXMC3 AM 832
G ND
PRV
C1 81 C1 82
2u2F 2u2F
D8
S S
G G
Q7
G ND
DMP 4051LK 3-13
BAT 54A-7-F
R7 5
D D
2R7
C1 84
D9
DMN4 036LK 3-13 SBR1 0U4 5SP5-13
Q8
D D 2u2F
D1 1
NRV
SBR1 0U4 5SP5-13
C1 85
G G
S S
2u2F
G ND
P8V
C2 04
D1 9
10uF
SDM4 0E2 0LS -7-F
C2 05
C1 87
10uF
10uF
G ND
G ND
C1 90
10uF
N8 V
P5V2 5
L8
49uH
C1 93
R7 7
100pF
560R
4
D1 5
R7 9 R8 0
2 100R N.I .
FB
B5 40C-13-F
R1 45
0R0 33
G ND G ND
G ND
C1 24
3V3
C1 27
100uF 100nF
U1 1
Vin Vo ut
G ND
R9 9
150R
ZLDO1 117K TC
C1 32
C1 33
4u7F
4u7F
C1 34 R1 00
240R
4u7F
G ND 1V8
U1 3
Vin Vo ut
R1 03
220R
ZLDO1 117K TC
C1 38
C1 40
4u7F
4u7F
C1 41 R1 04
100R
4u7F
G ND
P8V
A5 V
U1 4
Vin Vo ut
R1 05
240R
ZLDO1 117G TA
C1 42
C3 5 C1 43
100nF
100uF
100uF
C1 99
C1 46 R1 06
750R
4u7F
47uF
G ND
G ND
R1 07
750R
C1 47
4u7F
C1 50
C1 51
100uF R1 08
100nF
240R
Vin Vo ut
U1 6
LM 337
N8 V
27
F5V
L3
U1 0
Vin Vo ut
10uH
R9 7
C1 22
150R
4u7F
C1 26 ZLDO1 117G TA
C1 28
330uF
4u7F
C1 30
R9 8
240R
4u7F
G ND
U1 2
Vin Vo ut
R1 01
220R
ZLDO1 117G TA
C1 35
C1 36
4u7F
4u7F
C1 37
R1 02
100R
4u7F
C1 39
100uF
G ND
R3 V3
L9
U1 5
Vin Vo ut
Ferrite Bead
E N
LP5900SD-3. 3
C1 44 C1 45
1uF 1uF
G ND
C1 48
C1 49
4u7F
100uF
N5 V
C3 V3 S3V3
L4
BM B2 A0 600RS 2
C1 V8 R1 V8
L5
BM B2 A0 600RS 2
S1V8
L6
BM B2 A0 600RS 2
PRV
P25V
R2 04 R2 01
10K 10K
C1 23
C3 7
C1 25
1000uF 100nF
1000uF
C1 31
1000uF
G ND C1 72 R2 02 R2 03
10K 10K
1000uF
NRV
A3 V3