Kurzweil K2600 Series, Service Manual

Page: 168 / 172

Kurzweil K2600 Series Service Manual
7-40
Sampling Option Board (SMP-2)–Analog Input (4 of 4)
1
2
+
AGnd
C11
6.8uF
C12
.1uF
2
1
AGnd
C13
.1uF
2
1
AGnd
1
2
+
AGnd
C23
6.8uF
+12V
2 3 6 7
8
1
AGnd
+5Vana
VR1
78L05
I O
G
C81
.1uF
2
1
FGnd
2
1
L10
FE Bead
-12V
FGnd
AGnd
C75
68pF
2
1
1 2
C44
.1uF
1 2
C50
.1uF
1 2
C49
.1uF
1 2
C68
.1uF
1 2
C45
.1uF
1 2
C46
.1uF
1 2
C42
.1uF
1 2
C64
.1uF
1 2
C48
.1uF
1 2
C51
.1uF
1 2
C43
.1uF
1 2
C39
.1uF
+5V
1
3
2
5
XLR
1 3
2
5
XLR
RIGHT
J1104
XLR FEMALE
J1105
XLR FEMALE
LEFT
L7
100pF P1
1 3
2
L8
100pF P1
1 3
2
L6
100pF P1
1 3
2
L5
100pF P1
1 3
2
MON {2-L3}
U14
9
10
8
74HC08
U14
12
13
11
74HC08
C80
.1uF
2
1
C73
68pF
2
1
FGnd
FGnd
U27
2 1
R67
604
2 1
R64
2 1
R65
1.21K
806
1 2
R60
1.21K
1 2
R61
806
1 2
R63
604
U27
MC33078
+
2
3
1
MC33078
+
6
5
7
4
8
2
R66
402
1
FGnd
2
R62
402
1
C74
68pF
2
1
2
1
L9
FE Bead
+12V
7
9
NC
RL2
R IN {1-A3}
A/D SOURCE {2-K4}
LIN {1-A6}
8
10 1
2 5
L4
1 6
L4
4
2
NC
RL2
3
->RMIX
->LMIX
<-RMON
<-LMON
1
2
4
5
3
AGND
CCTL
CIN
BIN
BCTL
AIN
ACTL
EN
4
9
15
10
14
11
6
CNO
CNC
BNO
BNC
ANO
ANC
V+
VSS
V-
3
5
1
13
12
16
2
7
8
R-A/D {1-G5}
L-A/D {1-G6}
+5Vana
-5Vana
AGnd
AGnd
U26
74HC4053
J1103
K2048
AUDIO
AGnd
3 4
L4
C35
.1uF
2
1
AGnd
2
1
+
AGnd
C33
6.8uF
2
3
6
7
I
AGnd
5
G
O
VR2
79L05
1
-12V
2
1
+
C40
6.8uF C34
.1uF
2
1
AGnd
-5Vana
1 2
GJ1
AGnd
1 2
GJ2
AGnd
D5
1N914
2 1
1 2
R69
110
1 2
R68
110
6
1
2
5
4
3
FGnd
J1107
Keep R68 & R69 close to J1107
Filename:
Doc:
Mfg:
Eng:
Sht
By:
Date:
of
Rev:
Richmond
021075 RCV1
021075C1.DS2 10/3/95
: 4 4
YOUNG CHANG CO., LTD.
of Young Chang Co., Ltd. is prohibited.
Reproduction without the express written consent
Sample Option SMP-2
Analog Input/P.S.
J K L H G I A B C E D F
1
2
4
3
6
7
5
1
2
4
3
6
7
5
J K L H G I A B C E D F