Power Supplies - NAD c390dd Service Manual

AMP-8
P12V5
C37
100nF
U2
AP5004SG-13
5
VIN
4
VOUT
6
VIN
R59
1 2
C70
100k EN FB
C153
100nF
330uF
C124
100nF
Supply
5V25
GND
3V3
1V8
C3V3
S3V3
C1V8
S1V8
R1V8
A8V
N8V
A5V
N5V
R3V3
A3V3
P10V4
NGD
P10V4
P12V5 P12V5
ZLDO1117GTA
U8
Vin Vout
R121
C155
150R
10uF
C156
10uF
R122
C160
1k1
1uF
GND
P5V25 P5V25
C163
C164
4u7F
4u7F
GND
U7 GND
1 8
844kHz CK Vcc U5
2 7
D PR
3 6 1 7
Q CLR IP1 OP1
4 5 3 5
GND Q IP2 OP2
6 2
IP3 OP3
NC7SV74K8X
NC7NZ17K8X
GND
R126
0R
GND
No Fit
L11
33uH
R57
C128
560R
100pF
L12
10uH
C59
D3 R43
B540C-13-F 100R
1000uF
GND
GND
C130
4u7F
Description
High-current 5.25V supply for deriving logic supplies
3.3V Core logic and General I/O supply
1.8V Core logic supply
3.3V Clock supply
Filtered from C3V3 for STAMPs
1.8V Clock supply
Filtered from C1V8 for STAMPs
Filtered from C1V8 for References
8V supply for deriving analogue supplies
-8V supply for deriving analogue supplies
5V Analogue supply
-5V Analogue supply
3.3V low-noise supply for references
3.3V Analogue supply for start up
10.4V supply for NGD, NRV A8V and N8V
Bias for gate drive: 10.4V w.r.t. NRV
12.5V input voltage
D4
ZHCS2000TA
D6
ZHCS2000TA
P10V4
C162
100nF
C147
R123
10uF
47k D7
C165
1uF
GND
C201
BAV99-7-F
C166
GND
1uF
Q1
100nF
D15
1 8
SN DN ZHCS2000TA
2 7
GN DN
3 6
SP DP
4 5
GP DP
ZXMC3AM832TA
C168
1uF

Power Supplies

P5V25
3V3
U20 ZLDO1117GTA
Vin Vout
R61
150R
C44
4u7F
C131 R62
240R
1uF
GND
U22 ZLDO1117GTA
Vin
C134
4u7F
A8V
U23 ZLDO1117GTA
Vin Vout
C137
100nF
NGD
C50
10U/10V
C161
10uF
NRV
GND
A8V
D8
GND
ZHCS2000TA
C167
10uF
GND
N8V
D9
N8V
ZHCS400TA
C169
D10
ZHCS400TA
10uF
GND
L5
U19 ZLDO1117GTA
Vin Vout
10uH
C125
4u7F
C126
330uF
C129
GND
1uF
U21 ZLDO1117GTA
Vin Vout
1V8
C132
4u7F
Vout
C133
R65
1uF
220R
C47
C46
4u7F
100uF
C135
R66
100R
1uF
GND
A5V
R67
R54
240R
47K
C138
R72
C66
330uF
R74
4u7F
750R 1k
C67
C68
REF1 C69
ZR285F01TA
100nF 4u7F
47uF
No Fit
GND
R109
750R
C154
4u7F
C151
C55 C152
C150 4u7F
100uF
R77
100nF
100uF
240R
Vin Vout
U25
LM337
N5V
C3V3 S3V3
L6
BMB2A0600RS2
R58
150R
C43
4u7F
R60
240R
GND
C1V8 R1V8
L7
BMB2A0600RS2
S1V8
R63
220R
L8
C45
4u7F BMB2A0600RS2
R64
100R
GND
R3V3
Q10
FZT493TA
C E
R69
R70 62R
L9
U9
Ferrite bead
1 6 150R
OP POS
C65
2 5
GND DIS
4n7F
R73
3 4
IP+ IP-
160R
LT1806
A3V3