10.
Circuit Diagrams and PWB Layouts
SSB: AUDIO Preamplifier
1
88
70_51
3
_100204.ep
s
100204
A
u
dio Pre
a
mplifier
B1
3
B1
3
2010-01-14
C
715G
3
7
8
6
A
u
dio Pre
a
mplifier
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
A
A
B
B
C
C
D
D
E
E
POP_MUTE
+5V_ON
OP
S
_5V
OP
S
_5V
+24V_
S
W
+5V_ON
MAIN_AOR
1
3
MAIN_AOL
1
3
AUD_LOUT
1
8
AUD_ROUT
1
8
HP_LOUT
7
HP_ROUT
7
OP_MUTE
1
3
POP_MUTE
8
AC_OFF
1
3
C6201 B2 C620
3
B6
C6204 B
3
C6205 C5
C6206 C4 C6207 C2
C620
8
D4 C6209 C5
C6210 C
3
C6211 D
3
C6212 D4 C621
3
D4
C6214 B1 C6215 D2
D6201 B6 D6202 B6
FB6201 B1 Q6201 B4
Q6202 B6 Q620
3
B5
R6202 A4 R620
3
A4
R6204 B6 R6205 B4
R6207 A6 R6209 C2
R6210 C2 R6211 C6
R6212 D2 R621
3
D4
R6214 C6 R6215 E4
R6216 A7 R6217 C
3
R621
8
D
3
R6219 A5
R6220 A1 R6221 A2
U6201 B2 U6202 C4
C6211
1.
8
NF 50V
C6211
1.
8
NF 50V
R6215
3
0KOHM 1/16W +/-5%
R6215
3
0KOHM 1/16W +/-5%
C6212
47pF 50V
C6212
47pF 50V
Q6202
BC
8
47C
Q6202
BC
8
47C
C6209
1U 25V
C6209
1U 25V
R6221
0R05 1/10W
R6221
0R05 1/10W
C6210
1.
8
NF 50V
C6210
1.
8
NF 50V
C6205
10
u
F 10V
C6205
10
u
F 10V
D6201
L
S
414
8
D6201
L
S
414
8
C6206
1UF 6.
3
V
C6206
1UF 6.
3
V
C621
3
47pF 50V
C621
3
47pF 50V
C6207
1UF 6.
3
V
C6207
1UF 6.
3
V
D6202
L
S
414
8
D6202
L
S
414
8
R620
3
1.
8
KOHM 1/10W
R620
3
1.
8
KOHM 1/10W
R6210
10K 1/16W 5%
R6210
10K 1/16W 5%
R6205
-5% 1/10W
R6205
-5% 1/10W
C620
3
100N(NC)
C620
3
100N(NC)
R6202
100 OHM 1/10W
R6202
100 OHM 1/10W
FB6201
120R/
3
000mA(NC)
FB6201
120R/
3
000mA(NC)
1
2
Q6201
BC
8
47C
Q6201
BC
8
47C
R6220
0R05 1/10W
R6220
0R05 1/10W
R6216
10K 1/16W 5%
R6216
10K 1/16W 5%
C6204
10
u
F 10V
C6204
10
u
F 10V
ZD6201
BZX
8
4C
3
V6
ZD6201
BZX
8
4C
3
V6
1
3
R621
3
3
0KOHM 1/16W +/-5%
R621
3
3
0KOHM 1/16W +/-5%
R6217
10K 1/16W 5%
R6217
10K 1/16W 5%
R6219
10K 1/16W 5%
R6219
10K 1/16W 5%
R6204
100 OHM 1/10W
R6204
100 OHM 1/10W
R6207
1.
8
KOHM 1/10W
R6207
1.
8
KOHM 1/10W
C6214
1U 25V
C6214
1U 25V
U6202
MAX972
8
AETC+
U6202
MAX972
8
AETC+
PV
ss
4
C1N
3
OUTL
11
S
V
ss
9
C1P
1
S
GND
7
OUTR
10
S
HDN
5
PGND
2
IN R
8
VDD
12
IN_L
6
R1
R2
Q620
3
PDTC114EU
R1
R2
Q620
3
PDTC114EU
1
3
2
U6201
L7
8
L05ACU-TR(NC)
U6201
L7
8
L05ACU-TR(NC)
IN
3
OUT
1
GND
2
R6211
0R05 1/10W(NC)
R6211
0R05 1/10W(NC)
C620
8
1UF 6.
3
V
C620
8
1UF 6.
3
V
C6215
1UF 6.
3
V
C6215
1UF 6.
3
V
+
C6201
470
u
F 10V
+
C6201
470
u
F 10V
R6212
10K 1/16W 5%
R6212
10K 1/16W 5%
R6209
10OHM1/10W
R6209
10OHM1/10W
R6214
0R05 1/10W(NC)
R6214
0R05 1/10W(NC)
R621
8
10K 1/16W 5%
R621
8
10K 1/16W 5%