Mitsubishi Electric LC62 CHASSIS XL6500LU, Руководство по обслуживанию

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- B3 -
IC60 AD883ARUZ
PCB-BOO
IC770 NJM2072M
IC650 AD8075ARUZ
IC77 TC74VCX74FT
IC772 R32N20A-TR-F
Output
TRUTH TABLE
IN A
IN B
Hight Z
Hight Z
SEL A/B OE
0
0
0
0
IN0 A
G = + or +2
G = + or +2
G = + or +2
IN A
IN0 B
2
3
0
5
6
IN B
IN2 A
IN2 B
SEL A/B
OE
20
OUT 0
8
OUT
6
OUT 2
22
23
Output Enable
VCC VEE
GND
6,3,4,7,2,24 7,5,9 2,4,9,
DGND
OE
IN2
AGND
IN
AGND
IN0
V
EE
Vcc
Vcc
OUT2
V
EE
OUT
Vcc
OUT0
V
EE
2
3
4
5
6
7
8
6
5
4
3
2
0
9
G =
+/+2
G =
+/+2
G =
+/+2
Truth Table
OUT0, , 2
OE
0 IN0, IN, IN2
High Z
INPUT
OUT
OUT 2
GAIN
CONTROL
AMP.
OUTPUT
CAPACITOR FOR
RECOVERY TIME
DETECT
SCHMITT
SW
20k
GND
4
2
00k
2µA
8
V+
3 5
6
7
4
3
2
0
9
8
2
3
4
5
6
7
CK D
Q
Q
CK D
Q
Q
Function
CLR PR D Q Q
CLR
D
CK
PR
Q
Q
GND
Vcc
2CLR
2D
2CK
2PR
2Q
2Q
Truth Table
X: D on’t care
Inputs Outputs
No change
Clear
Preset
CK
L
H
L
H
H
H
H
L
L
H
H
H
X
X
X
L
H
X
L
H
H
L
H
Qn
H
L
H
H
L
Qn
X
X
X
NC
OUT
GND
4
2
3
RD
5
CD
VDD
Vref
+
-