Intermec EasyCoder 501 - Data to Printhead

143Intermec EasyCoder 501 – Service Manual Ed. 7
Chapter 17 CPU Board
17.6:11 Data to Printhead
INC
OR–ON
PCLK
CGCLK
STRBCLK
CGDATA
CGSTROB
CGLATCH
CGENABLE
START
LATCH
STRB4
STRB3
STRB2
STRB1
DATAOUT
CGSTART CGSTART
DATAOUT
STRB1
STRB2
STRB3
STRB4
LATCH
START
CGENABLE
CGLATCH
CGSTROB
CGDATA
STRBCLK
IC702D
PCLK 12
&
11
CGCLK 13
74HC08M
IC700
1
I 0
2
I 1
3
I 2
IO 0
4
I 3
IO 1
5
I 4
IO 2
6
I 5
IO 3
7
I 6
IO 4
8
I 7
IO 5
I 8
IO 6
10
I 9
IO 7
11
IO 8
13
GAL22V10
14
15
STROB116
17
18
19
20
STARTD21
LOAD22
DATA23
F700
TPHCLK
ERROR
DATAIN
AD–TEMP
PRINTHEAD
P24
R704
R717
LM358M
1
3
R715
2
8
IC703A
V24
R708
R706
IC701
C700
–
+
1
LM317LZ
2
3
R705
C701
R711
AD–RES
R718
R703
R701
V24
Q701
R714
R702
R700 P24
Q700
9
F701
GND
GND
3
IC204B
1
4
7406M
3
1
2
U
1 . 25V
GND
AD–TEMP
GND
OR-ON
STARTD
LOAD
DATA
TPHCLK
ERROR
STROB1
GND
INC
+5V
+5V
GND
P700
1
2
3
4
5
6
7
8
17
9
11
12
14
13
10
18
15
16
19
20
++
–
8
GND
GND GND
GND
1
2
3
GND
C703C702
+5V
GND
IO9
IN1
IN2
DATAIN
GND
R725
GND
R724
GND
R723
GND
R722
GAL-IDENT
R726
+5V
GAL-IDENT
GND
F702
R750
GND
R728
+5V
R729
1
2
Q707
3
GND
R730
+5V
9
IC204D
1
8
7406M
EN-500
R720
R719 P24
Q705
1
2
3
R727
Q706
1
2
3
GND
EN-500