+5VD
R39
1.00M
R40
24.3K
VOLTAGE COMPARATORS
NEGATIVE PEAK DETECTOR
+5V
+5V
+5V
INPUT BUFFERS
C203
47UF
RF RELAY
PRIMARY
OUTPUT
11
75 OHM
MICROSTRIP
J3
J2
R23
1.50K
RELAY
15
16
9
10
14
11
8
12
13
5
6
1
4
7
2
3
18
17
K1
MICROSTRIP
75 OHM
R5
649
R2
20.0K
C2
.01UF
R24
37.4
ATTEN11
R301
37.4
H5
5
-5V
-5V
CR1
C4
47UF
R29
432
R31
2.55K
R32
5.00K
Q5
R9
100K
R11
76.8
R30
432
C204
.1UF
Q1
R6
2.49K
-5V
+5V
-5V
CR5
C22
47UF
R10
13.3K
R27
1.00K
Q4
R12
200
C7
.1UF
R19
20.0K
TP1
R8
2.32K
CR68
+5V
-5V
R21
475K
C10
.1UF
R37
475K
R48
2.00K
C250
.001UF
3
2
1
8
4
U1A
LF412
+5V
+5VD
R49
2.00K
3
2
1
8
4
U2A
LM393
CR9
(P_TEST11)
C226
.001UF
R44
10.0K
(P_AND)
B1
4
B3
4
(B_AND)
B1
4
B3
4
+5VD
+5VD
R47
2.00K
5
6
7
U2B
LM393
R42
1.00M
R41
24.3K
CR8
(B_TEST11)
C227
.001UF
R43
10.0K
-5V
R20
475K
C9
.1UF
R33
475K
CR53
R46
2.00K
VREF11
C189
.1UF
C251
.001UF
H5
5
5
6
7
U1B
LF412
R45
2M
+5V
+5V
C21
47UF
R17
200
C8
.1UF
R13
2.32K
R16
13.3K
R28
1.00K
Q3
CR6
R18
20.0K
CR69
+5V
-5V
+5V
-5V
-5V
-5V
CR2
Q6
C3
47UF
R26
432
R14
100K
R15
76.8
R25
432
Q2
R7
2.49K
MICROSTRIP
75 OHM
RELAY
C1
.01UF
R1
37.4
CR7
R4
649
R3
20.0K
C202
47UF
R302
37.4
MICROSTRIP
75 OHM
RELAY
J1
R22
1.50K
F4
4
(RELAY_DRIVER_B)
(RELAY_DRIVER_P)
BACKUP
BETWEEN RELAYS TO REDUCE CROSSTALK
+5V
+5V
+5V
C218
.01UF
C219
.01UF
C220
.01UF
+5V
C221
.01UF
+5V
+5V
+5V
C19
.01UF
C20
.01UF
C13
.01UF
-5V
+5V
-5V
-5V
-5V
-5V
-5V
C11
.01UF
C18
.01UF
C17
.01UF
C12
.01UF
C14
.01UF
+5V
-5V
+5V
-5V
C16
10UF
C15
10UF
C24
.1UF
C23
.1UF
+5V
+5VD
C25
.1UF
C239
.1UF
SEE ELECTRICAL PARTS LIST
FOR EARLIER VALUES AND
SERIAL NUMBER RANGES.
NO SECOND RELAY COIL
IN STANDARD INSTRUMENT.
75 OHM
MICROSTRIP
NC
1
2
P1
ECB TEST STRIPS
TOP OF BOARD
ECO 422 Changeover Unit
CHANNEL 11, INPUTS AND COMPARATORS
PINS 17 AND 18 NOT CONNECTED.
3
PART OF A2 MAIN BOARD
Содержание ECO 422
Страница 4: ......
Страница 6: ......
Страница 14: ...General Safety Summary viii ECO 422 ...
Страница 16: ...Service Safety Summary x ECO 422 ...
Страница 17: ...Getting Started ...
Страница 18: ......
Страница 31: ...Operating Basics ...
Страница 32: ......
Страница 41: ...Operating Basics ECO 422 2 9 Figure 2 6 Setup for Adjusting R265 the User Level for SX 7 ...
Страница 43: ...Specifications ...
Страница 44: ......
Страница 52: ......
Страница 53: ...Theory of Operation ...
Страница 54: ......
Страница 62: ...Theory of Operation 4 8 ECO 422 ...
Страница 63: ...Performance Verification ...
Страница 64: ......
Страница 84: ...Performance Verification 5 20 ECO 422 ...
Страница 85: ...Adjustment Procedure ...
Страница 86: ......
Страница 88: ...Adjustment Procedure 6 2 ECO 422 ...
Страница 89: ...Maintenance ...
Страница 90: ......
Страница 101: ...Options ...
Страница 102: ......
Страница 104: ...Options 8 2 ECO 422 ...
Страница 105: ...Replaceable Electrical Parts ...
Страница 106: ......
Страница 140: ...Replaceable Electrical Parts 9 34 ECO 422 ...
Страница 141: ...Diagrams Circuit Board Illustrations ...
Страница 142: ......
Страница 145: ......
Страница 147: ... ECO 422 Changeover Unit FRONT PANEL 1 ...
Страница 148: ...ECO 422 ...
Страница 166: ...ECO 422 ...
Страница 167: ...Replaceable Mechanical Parts ...
Страница 168: ......
Страница 174: ...Replaceable Mechanical Parts 11 6 ECO 422 ...
Страница 175: ......
Страница 176: ...ECO 422 A1 FIG 1 EXPLODED VIEW A2 A3 A4 ...
Страница 177: ......