Mitsubishi SL2U Service Manual page 77

PCB-TERMINAL
IC201 24LC21TSN
I/O
CONTROL
LOGIC
4
VSS
8
VCC
5 6
SDA SCL
PCB-MAIN(4/8)
IC5A2 M62358FP
R
MSB
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
LSB
1 2
LD CLK
VCLK
7
HV GENERATOR
MEMORY
EEPROM ARRAY
CONTROL
XDEC
LOGIC
PAGE LATCHES
YDEC
SENSE AMP
R/W CONTROL
VDD D0 Ao6
24 23 22 21
G
Determination
R-2R
Address
Decoder
L
12
L
2
R-2R
G
3 4
D1 Ao7
1A
1Y
2A
2Y
3A
3Y
GND
Ao5 Ao4 Ao3
20 19 18
Gain
G G G
Latch
8 bit
Upper
R-2R R-2R
Segment
R-2R
8 bit
L L
Latch
8 bit
L L
Latch
8 bit
Upper
R-2R R-2R
Segment
R-2R
Gain
Determination G
Latch
5 6 7
Ao8 Ao9 Ao10
B-2
IC240 HD74LVC14T
1 14
VCC
13
6A
2
3 12
6Y
11
5A
4
5 10
5Y
9
4A
6
7 8
4Y
Ao2 Ao1 N.C. VCC VrefU
17 16 15 14
G
R-2R R-2R
L L
L L
R-2R R-2R
G G G
8 9 10 11
Ao11 Ao12 N.C. GND
FUNCTION TABLE
INPUT OUTPUT
A Y
H L
L H
13
12
VrefL