NAD 712 - Power Supply and Mains Schematic

SCHEMATIC DIAGRAM
PSU & MAINS
psie
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IR
ee
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Miniered
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er
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rer
ees
MAING
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eat
ea
ete
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oases
>
1C502
#33RFP3W
#LiNK
D505
ae
+12V
5
LM7812
‘
3.3V
1.3W
3.3V1.3W
+33V
1N5401
AC OUTLET FOR AH VERSION ONLY
CHASSIS
—
P501
4
PI
P15
'
C508
1
sw
>
6800/50
#
T4A
125V
UL/CSA
i
pont
A
a
T4A
250V
SEMKO/VDE
CAVES
OF
GEEevING.|
a
C503
B,
B1,
C
VERSION
ONLY.
;
H
+
10n/500V
;
+100/-0%
P502
1
P10
2M7 1/2W
A
1
:
o1 c2
Z\ Snziag0 x CLASS A\ Gn7/400 x CLASS
ov
P503
D508
— 9
==
6800/50
1N5401
:
1
'
IMPEDANCE
I
# T4A 125V UL/CSA ee
T4A 250V SEMKO/VDE
1 !
1
I
1
!
i)
1
t
T
1
i}
i
1
1
i
t
'
1
1
1
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'
3
1
!
i)
I
1
1
1
1
i
1
t
i}
'
1
b
©
4
a
e—
>
:
-12V
1C503
D518
PA
D517
-33V
D507
;
LM7912
#47RFP3W~
#LINK
3.3V
1.3W
3.3V
1.3W
;
1
1
1
!
I
1
'
!
t
!
t
I
1
1
t
1
t
1
iy
i
1
i)
1
1
i)
1
)
1
1
A
1
1
!
!
I
1
!
I
1
IC501
+5V . LM7805 4 +5VUNREGL
+5VUNREG +5V +12V +30V +33V +38V
P507
P17
BLK
BLACK
TF
BLACK
P505
aaape
Bee
P506
N18062120
==
1/50
ro BLack AN
F507 J P508 BLK
C~O ——O
# T315mA 250V UL/CSA
OV
-12V
-28V—s-33V
T315mA
250V
SEMKO/VDE
LK6
P7
WHITE
YELLOW
oud
OV
230V
WHI
~ P6 RED
120V
RED
fore
Q507
ais
YELLOW
+30V
Q521
+38V
28D669
10
1W
F
P9
BLU
piue
| ; ‘ a 8 BAW _prown TF N48
R519
R513
Bans
3K6
aS
ee
eT
eee
eee
SLR?
Seen
2
rere
ae
;
==
10/50
cs520
|
|
R520 1K5
+ 12K
e527, th
20
=
Q509
=
—
28C1s15Y
|
C518
eee
rsos
/\
—
1K2
ain
—
¢
O~O
O
220/50 | 470/63 D511 # T315mA 250V UL/CSA
RS102
sig
T315mA
250V
SEMKO/VDE
PROG
PSU
ov
:
30
4 fo
R521 ¢
100 R522 R518 ‘
1K2 1K2 Q510 F506 /\
.
:
2SA1015Y
P506
Resistors:
F
-
Fusible
+
C526
O™mO
O
FP
-
Flame
Proof
==
220/50
#
T315mA
250V
UL/CSA
Not
specified
are
Carbon
Film
22p
R516
T315mA
250V
SEMKO/VDE
R524
C521
gnats
12K
4. D513
HZ27-2 pace o523
|
aye
NOTE:
1.
RESISTORS,
UNLESS
OTHERWISE
SPECIFIED,
ARE
1/4
WATT.
|
|
La
|
2.
ALL
CERAMIC
CAPACITORS,
UNLESS
OTHERWISE
SPECIFIED,
ARE
50V,
10%.
sop
=O
BE
ECB
[
"
:
R512
3.
COMPONENTS
MARKED
WITH
"
#"
ARE
AH
VERSION
ONLY.
asoeee
BOSS
SCOT
-28V
Q508
100
F1W
AN
4.
COMPONENTS
MARKED
WITH
"A\"
ARE
SAFETY
CRITICAL
PARTS.
2SB649 #100 FP 2W
17
18
NAD-00126 / DRUCK 4