14
Main PCB Schematics - Power Supply
earth
© C
O
PYR
IG
H
T
The Audio
Partnership
Gallery Cou
rt
H
an
ke
y P
la
ce
LON
D
ON
SE
1 4BB
T
el : +
44 (0)171 940 2200
Fax : +
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DRAWN
BY
CHECK
ED BY
DAT
E
D
RA
W
ING TITLE
DRAWI
N
G N
o.
PAGE
SH
EET TITL
E
GENER
A
L NO
TES
IBQ
26/
01/
12
351A Am
p Main
PC
B
Po
w
er
S
up
pl
y
AP30263/
A
4/
6
1.
2.
3.
4.
5.
C
24
10,000u
F 50V
Electrolytic (with CA s
leeve)
C
27
10,000u
F 50V
Electrolytic (with CA s
leeve)
+
28V
-28V
D1
1N
5402
Rec
tif
ier
200V 3A
D2
1N
5402
Rec
tif
ier
200V 3A
D3
1N
5402
Rec
tif
ier
200V 3A
D4
1N
5402
Rec
tif
ier
200V 3A
F1
T
6.
3AL
Sl
ow
B
lo
w
F
us
e
F2
T
6.
3AL
Slow
Blow
Fu
se
0V
23V
23V
T
O
M
AI
N
S T
RAN
SFORM
ER
J5
J6
L
N
E
C
N3
SS-
7B-
1
IEC S
ocket
! Saf
et
y Crit
ic
al
C
34
10
nF
2
50
V
X1
/Y
1 Ma
in
s R
ate
d
! Saf
et
y Crit
ic
al
C
35
10
nF
2
50
V
X1
/Y
1 Ma
in
s R
ate
d
! Saf
et
y Crit
ic
al
FROM
T
RAN
SFORM
ER
F4
T
1AL
Sl
ow
B
lo
w
F
us
e
F5
T
1AL
Sl
ow
B
lo
w
F
us
e
SW3
K
D
A
-A
04
-10
Pow
er Sw
itc
h
Ma
in
s R
ated
D5
1N
4002
Rec
tif
ier
D6
Rec
tif
ier
1N
4002
D7
Rec
tif
ier
1N
4002
D8
Rec
tif
ier
1N
4002
J7
green
J9
purple
J10
blue
C
45
10
00
uF
3
5V
El
ectr
ol
yti
c
C
46
47
0u
F 3
5V
El
ectr
ol
yti
c
VI
1
VO
3
GND
2
U5
7805
Regu
lat
or
C
47
47u
F 16V
El
ectr
ol
yti
c
C
48
M
et
. P
ol
ye
st
er
47n
F 63V
VI
1
VO
3
GND
2
U8
L7815
Regu
lat
or
VI
2
VO
3
GND
1
U9
L7915
Regu
lat
or
C
49
10
0u
F 2
5V
El
ectr
ol
yti
c
C
50
10
0u
F 2
5V
El
ectr
ol
yti
c
+
5V
C
51
47n
F 63V
M
et
. P
ol
ye
st
er
C
52
M
et
. P
ol
ye
st
er
47n
F 63V
C
53
M
et
. P
ol
ye
st
er
47n
F 63V
+
15V
-15V
FROM
T
RAN
SFORM
ER
+
20V
J3
J4
J8
O
PAMP SUPPLY
M
IC
RO
C
O
N
T
RO
LL
ER
S
U
PP
LY
PO
WER
AMP SUPPLY
C
28
470n
F
Ma
in
s R
ated X2
! Saf
et
y Crit
ic
al
ALTER
N
ATIVE PO
SITIO
N
S FO
R
X-C
A
PS W
ITH
D
IFFER
ENT LEAD
PITC
H
ES
MA
INS
GND
T
o s
heet 1
R49
1k
8
1/4W M
et
al Film
P1
P2
PO
WER
LED
J1
J11
J12
J13
T
O
VO
LT
A
GE S
EL
EC
T
P
C
B
J14
F6
T
6.
3AL
Sl
ow
B
lo
w
F
us
e
TO J
15
C
T1
Blac
k Cable T
ie
C
T2
Blac
k Cable T
ie
C
T3
Blac
k Cable T
ie
+
5V
3
O
PT
1
GND
2
U10
T
SOP
34836
36KH
z
C
44
10
0n
F 1
00
V
Mo
no
Cer
ami
c
1
2
3
C
N
12
3 Way
St
raight
H
eader
C
83
El
ectr
ol
yti
c
47u
F 16V
LK54
24 AWG
10
mm Pi
tch
WI
RE1
120 m
m
Lon
g +
5m
m
St
rip/T
in
eac
h en
d
18 AWG Green
/Y
ellow
In
su
lat
ed Wire
D
18
Blu
e Az
ur
LE
D
WI
RE2
90
mm L
ong
+5
mm S
tr
ip/Ti
n ea
ch end
28 AWG Red Ins
ulated Wire
WI
RE3
90
mm L
ong
+5
mm S
tr
ip/Ti
n ea
ch end
28
A
W
G
B
ro
w
n I
ns
ul
at
ed
Wi
re
CP1
M4
Solder T
ag
C
T4
Blac
k Cable T
ie
C
T5
Blac
k Cable T
ie
C
T6
Blac
k Cable T
ie
C
T7
Blac
k Cable T
ie
BRK1
ALT
O
right
-an
gle brac
ke
t
C
98
Mo
no
Cer
ami
c
10
0n
F 1
00
V
MA
INS
GND
1
P4
Summary of Contents for AZUR 351A
Page 16: ...16 Main PCB Gerbers ...
Page 17: ...351A Service Manual 17 Main PCB Gerbers ...
Page 18: ...18 Main PCB Gerbers ...
