Mitsubishi S290U Service Manual page 76

IC5M2,5M3 M62358FP
R VDD
24 23
MSB
D13
D12
Address
Decoder
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
LSB
1 2 3
LD CLK D1
IC5M4 74VHCT541AMTC
Vcc
1 20
OE
DC2
2 19
I0
O0
3 18
I1
O1
4 17
I2
O2
16
5
I3
O3
6 15
I4
O4
14
7
I5
O5
8 13
I6
O6
9
12
I7
O7
10
11
GND
TRUTH TABLE
Inputs
Output
OE1 OE2 I
L L H H
H X X Z
X H X Z
L L L L
H = High Voltage Level
L = Low Voltage Level
Z = Higt Impedance
X = Immaterial
D0 Ao6 Ao5
22 21 20
Gain
G Determination
Latch
8 bit
Upper
R-2R
Segment
R-2R
8 bit
L
Latch
12
8 bit
L
Latch
2
8 bit
Upper
R-2R
Segment
R-2R
Gain
G Determination
Latch
4 5
Ao7 Ao8
IC8G0 CXA3197R
6 ~ 1
10bit
48 ~ 45
DA0 ~ DA9
10bit
16 ~ 7
DB0 ~ DB9
18
DIV2OUT
17
DIV2IN
19
CLK/T
20
CLKP/E
21
CLKN/E
22
RESET/T
23
RESETP/E
24
RESETN/E
39
R POLARITY
Ao4 Ao3 Ao2 Ao1
19 18 17 16
G G G G
R-2R R-2R R-2R R-2R
L L L L
L L L L
R-2R R-2R R-2R R-2R
G G G G
6 7 8 9
Ao9 Ao10 Ao11 Ao12
DVcc1 DVcc2 VOCLP INV PS
42 29 38 40 41
10bit
Input Latch
A
10bit
MUX Latch
10bit
Input Latch
B
D Q
Q
44 25 26
DGND1 DGND2 C1
IC BLOCK DIAGRAMS
N.C. VCC VrefU
15 14 13
10 11 12
N.C. GND VrefL
36
AVcc2
30
AVccO
RO = 50Ω 32
AOUTP
10bit
31
AOUTN
AGND2
Current
Cont.
34
VREF
RGB
35
VSET
33,37
AGND2
27 28
C2 C3
9