Mitsubishi HS-HD1100U Service Manual page 85

IC5D01
C5D08
R5D22
N
8
HS-HD1100U
R5D23
R5D13
JP5D01
IC5D02
R5D10
R5D08
R5D07 C5D16
X5D01
C5D15
C5D04
C5D03
L5D01
R5D25 R5D24 R5D85
C5D01
IC5D02 SN74ACT244NSR
FUNCTION TABLE
1 20
1OE Vcc
INPUT OUTPUT
1A1 2 19 2OE
OE A Y
2Y4 3 18 1Y1 L H H
L L L
4
1A2 17 2A4
H X Z
2Y3 5 16 1Y2
H : HIGH LEVEL
1A3 6 15 2A3 L : LOW LEVEL
X : IMMATERIAL
2Y2 7 14 1Y3
Z : HIGH IMPEDANCE
1A4 8 13 2A2
2Y1 9 12 1Y4
GND 10 11 2A1
R5D28
R5D86
IC5D03
C5D02
R5D03
Q5D01
MX
IC5D03 SN74LVTH541NSR
FUNCTION TABLE
OE1 1 20 Vcc
INPUT OUTPUT
2 19 OE1 OE2 A Y
A1 OE2
A2 3 18 Y1 L L L L
L L H H
A3 4 17 Y2
H X X Z
X H X Z
A4 5 16 Y3
6 15 H : HIGH LEVEL
A5 Y4
L : LOW LEVEL
A6 7 14 Y5
X : IMMATERIAL
: HIGH IMPEDANCE
Z
A7 8 13 Y6
A8 9 12 T7
GND 10 11 Y8