Primare SPA22, Service Manual

Page: 10 / 40

C1+
2
V+
3
C1-
4
C2+
5
C2-
6
V-
7
Rin-
8
Rout
9
INV
10
Tin
11
Fon
12
Tout
13
gnd
14
Vcc
15
Foff
16
EN
1
U3700
MAX3221
C3703
100nZ
C3715
470nZ
C3714
470nZ
C3716
470nZ
232gnd
232gnd
232gnd
C3704
100nZ
232gnd
232gnd
232gnd
1
2
3
C3712
EMI100p
1
2
3
C3713
EMI100p
Txda
Rxda
1 6 2 7 3 8 4 9 5
G1 G2
J3704
RS232
C3717
100u/16
R3717
10RJ
232gnd
232gnd dgnd
R3714
10R
C3705
4n
7
R3700
2K2J
i/o gnd
D
3700
4v7
irin
R3704
10k
Q3701
KSA1220A-Y
R3711
10K
J
+12vd
R3706
10R
D3702
1SS352
D3704
1SS352
Q3704
DTC114
C3701
100nZ
R3702
3R9J
trig2
i/o gnd
dgnd
trig2
Q3700
KSA1220A-Y
R3710
10K
J
+12vd
R3705
10R
D3701
1SS352
D3703
1SS352
Q3703
DTC114
C3700
100nZ
R3701
3R9J trig1
i/o gnd
(n
ea
r ps
u
/boa
rd edge)
dgnd
trig1
Q3702
KSA1220A-Y
R3712
10K
J
+12vd
R3709
10R
D3705
1SS352
D3706
1SS352
Q3705
DTC114
C3702
100nZ
R3703
3R9J
i/o gnd
dgnd
trig3
trig3
if placing trigger drivers on separate board, add 100p
on each trig to gnd at dsp board edge
if trig input on separate
board, keep U152 on dsp
board
IR in
irin
trig1
dgnd
trig2
dgnd
trig3
dgnd
3.3v
rxd
txd
2
1 J3702
2
1
10
J3701A
3
2
1 J3700
i/o gnd dgnd
R3716
10R
+12vd
1
2
3
4
5
6
7
8
9
10
11
12
CON3700
12 HEADER
1
1
XM3700
1
1
XM3701
C3706
0.01UF
C3707
0.01UF
dgnd dgnd
R
3707
10R R
3708
10R
C3711
0.01uF
i/o gnd dgnd
R3715
10R
C3710
0.01uF
C3709
0.01uF
232gnd dgnd
R3713
10R
C3708
0.01uF
2
1 J3703
i/o gnd
R
3718
10K
R3720
0R
R3719
0R
R3722
NC
R3721
NC