NAD C 565BEE - Power Supply Schematic; Power Conversion and Regulation

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POWER
NOTE: 1. RESISTORS, ARE CARBON FILM 5% 1/8W UNLESS
OTHERWISE SPECIFIED.
2. CERAMIC CAPACITORS, ARE 50V 10%. UNLESS
OTHERWISE SPECIFIED.
120V
230V
To DAC DVDD and Keyboard
To servo
To analog audio
AGND
AGND
AGND
!
!
1
23
4
5
6
P212
12
R423
0R
1
1
H2
1
1
H3
1
1
H4
1
1
H5
C362
104
C363
104
1
P220
1
P221
1
P222
DAC_5V
+12V
-12V
AC1
AC2
DGND
DGND
D5V6
8V
DGND
D+5V
-28V
KGND
RELAY
CPU_5V
STB_CRL
DC5
HVGND
STB_CRL
RELAY_P
DGND
STGND
DC5
D5V6
DGND
GND-OUT
DGND
DGND
KGND
STGND
ST5V6
DGND
DGND
STB_CRL
DC5
GND-OUT
DC5
STGND
ST5V6#
ST5V6#
DGND
DGND
DGND
DGND
$$$6569
LTR ECO NO:
C250
104
1
2
34
L207
7.7uH
1
2
4
3
D213
RB152
1
2
4
3
D214
RB152
C248
104
1
2
C249
1000uF/25V
C251
104
1
2
C253
1000uF/25V
IN
COM
OUT
U204
LM7812
3
OUT
2
IN
1
GND
U205
LM7912
C254
104
1
2
C255
470uF/16V
C256
104
1
2
C257
470uF/16V
1
IN
2
GND
3
OUT
IC204
LM7805
1
2
C258
470uF/16V
C259
104
1
2
C260
220uF/16V
C261
104
C262
104
1
2
C263
4700uF/25V
IN
COM
OUT
U206
LM7808
C264
104
1
2
C265
1000uF/16V
C266
104
1
2
C267
470uF/16V
IN
COM
OUT
U207
LM7806
C268
104
1
2
C269
220uF/16V
1
2
4
3
D217
RB152
C270
104
1
2
C271
470uF/16V
IN
COM
OUT
U208
LM7805
C272
104
1
2
C273
220uF/16V
1
2
J206
1
2
J207
1
2
C274
100uF/50V
12
3
Q212
2SB1457
12
R298
2K2
12
R299
47K
1
2
C275
47uF/50V
C276
104
12
3
4
5
RL202
1CH RELAY
Q213
BC846B
12
R429
1K
2
1
AC200
C252
2200P/400V
1
2
C277
47uF/50V
1
2
3
J200
VH3P_3.96 JST
1
2
3
4
5
6
7
8
9
10
11
J201
VH11P_3.96 JST
21
43
FC200
T1.6AL 250V
21
43
FC201
T1AL 250V
21
43
FC203
T100mAL 250V
21
43
FC202
T1AL 250V
21
43
FC204
T1AL 250V
1
1
HS200
B7B-PH-K-S
1
1
HS203
B7B-PH-K-S
1
1
HS204
B7B-PH-K-S
C230
4.7uF/400V
C232
222/400V
12
C233
470uF/16V
12
R256
56K
12
L204
2.2uH/1A
C235
102/100V
12
R262
1K5 1%
12
R266
1K
R267
150K 1W
C236
104
D204
1N4004-1N4007
D205
1N4004-1N4007
D206
1N4004-1N4007
D207
1N4004-1N4007
L203
JUMPER/27uH
C237
4.7uF/400V
21
D208
12
3
4
5
RL200
AC RELAY
Q206
BC846B
12
R227
2K
12
R228
NC/7K5
12
R229
0R/1K
C216
104
5
D
6
NC
7
GD
8
GND2
4
FB
3
GND
2
NC
1
VCC
U201
NCP
1
5
7
6
3
T200
EE16 LP=2.5mH
1
2
FC205
T800mAL 250V
1
2
AC203
1
2
3
4
JP221
B4B-PH-K-S
1
2
3
4
JP222
B4B-PH-K-S
1
1
HS202
B7B-PH-K-S
1
2
D219
28V
C366
10uF/50V
A
K
U215-A
817A
E
C
U215-B
817A
C367
104
12
R425
1K 1%
Y200
2200P/400V
3
2
1
D230
TL431
Q220
BC846B
12
R426
2K2
12
D220
1N4148
12
D209
1N4148
12
D218
1N4001
12
D203
12
R427
2K
12
D216
1N4001
Q221
BC846B
12
R428
2K2
12
R300
2K
1
2
HS207
HS_GPE_5400-1706+0
2
1
AC201
C380
104
H
L
12
34
56
78
9
10
RL205
Q208
BC846B
12
R466
2K
12
D229
1N4148