Tektronix AM700 Stereo System User Manual


 
A–CH STEP ATTENUATOR
CTRL[0..18]
CTRL[0..18]
H1
2
OVLD-A
CTRL1
CTRL4
CTRL0
5
6
4
U95B
74HC02P
F3
7
+5V1
A
A
A
+5D1 EN
2
A0
1
A1
16
A2
15
S1
4
S2
5
S3
6
S4
7
S5
12
S6
11
S7
10
S8
9
V+
13
GND
14
OUT
8
V-
3
U29
DG408
2
3
1
1
4
7
U95A
74HC02P
R38
1.00K
R76
500
R60
500
C55
0.1uF
+15V
-15V
+15V
1
2
13
1
2
4
U27A
5532-SOIC
A
A
C62
100pF
AMP1IN+
A2
7
C56
0.1uF
C61
100pF
-15V
A
A
A
-15V
+15V
6dB/step
R62
4.00K
0.1%
R63
2.00K
R64
1.00K
C52
47uF
A
+5D1 EN
2
A0
1
A1
16
A2
15
S1
4
S2
5
S3
6
S4
7
S5
12
S6
11
S7
10
S8
9
V+
13
GND
14
OUT
8
V-
3
U26
DG408
8
7
11
U27B
5532-SOIC
CTRL2
CTRL3
A
A
CTRL2
15
16 1
4 3
10
9 8
5 6
11 12
13 14
U100
DG403
R374
100K
A_HIBW
A_HIRES
H2
5
D3
4
(HIRES)/HIBW
AGAINBOOST
BGAINBOOST
+5D1
B1
7
B1
8
CTRL17
CTRL18
A
IN2
2
IN3
3
IN4
4
IN5
5
IN6
6
IN7
7
D2
15
D3
14
D4
13
D5
12
D7
10
IN1
1
CLAMP
9
GND
8
D1
16
D6
11
U75
MC1413
CTRL6
CTRL5
CTRL12
CTRL13
CTRL14
CTRL15
CTRL16
IN2
2
IN3
3
IN4
4
IN5
5
IN6
6
IN7
7
D2
15
D3
14
D4
13
D5
12
D7
10
IN1
1
CLAMP
9
GND
8
D1
16
D6
11
U25
MC1413
A
CH1-42
CH2-42
CH1-RS600
CH2-RS600
F2
G2
7
F2
G2
8
CR18
CR17
R376
10k
A
+15V
-15V
+5V1
CTRL3
CTRL4
R77
125
R80
125
R66
250
0.1%
R65
500
A
12
J32
A
C54
0.1uF
+15V
A
A
-15V
+15V
C63
100pF
A
A
+5D1
11
12
13
U95D
74HC02P
EN
2
A0
1
A1
16
A2
15
S1
4
S2
5
S3
6
S4
7
S5
12
S6
11
S7
10
S8
9
V+
13
GND
14
OUT
8
V-
3
U30
DG408
R72
1.00K
R73
500
R74
500
B–CH STEP ATTENUATOR
OVLD-B
CTRL11
CTRL8
CTRL7
8
9
10
U95C
74HC02P
F3
8
A
VR1
47V ZENER
VR2
47V ZENER
+5D1
A CH2-RS150
4
3
2
K7B
7
8
9
K7C
R16
1k
C3
100pF
G2
7
G2
8
= ANALOG GROUND
A
LOW = GND
= DIGITAL GROUND
10 1
K7A
+5D1
(HIRES)/HIBW
A
H2
2
D3
4
B_HIBW
CTRL9
CTRL10
R375
100K
15
16 1
4 3
10
9 8
5 6
11 12
13 14
U43
DG403
NP
R67
4.00K
0.1%
R68
2.00K
C53
47uF
A
A
+5D1 EN
2
A0
1
A1
16
A2
15
S1
4
S2
5
S3
6
S4
7
S5
12
S6
11
S7
10
S8
9
V+
13
GND
14
OUT
8
V-
3
U31
DG408
8
7
11
U28B
5532-SOIC
-15V
A
A
+15V
-15V
1
2
13
1
2
4
U28A
5532-SOIC
A
C51
0.1uF
C60
100pF
AMP3IN+
A2
8
6dB/step
R69
1.00K
R71
250
R78
125
R79
125
R70
500
B_HIRES
A
A
+15V
-15V
+5V1
H5
5
AM 700 A CHANNEL AND B CHANNEL GAIN / ATTENUATOR
A
PART OF A5 AUDIO GENERATOR BOARD
6
RELAY DRIVERS DATA SELECTOR
DATA SELECTOR