Schematics - Intermec EasyCoder 601 XP Service Manual

Chapter 2 Front and Keyboard

2.4 Schematics

3
5
C1 6
4
GND
GND
R4
VCC
VCC
R28
GREEN
D2
R1
A C
RED
D3
R2
A C
GREEN
D4
R3
A C
GND
VCC
R6
P1
1
SDA
2
SCL
3
INT
4
RESET
5
6
7 GND
8
9
10 VCC
VCC
C12
GND
18
1-971604-01 Console pcb.
VCC
R27 R5
GND VCC
15 16
A B 2
VDISP VCC
R/W
1
E GND
RS DISPLAY DISPLAY
GND
GND
IC3B
4 3
74HC05
R7
VCC
IC2A
4
PRE
R9
IC3A
2
D Q
1 2 3
CLK Q
1
CLR
74HC05
74HC74
C13 C14 C15
GND GND GND
VCC R19
R11
R12
R13
R14
R15
R16
R17
R18
GND
1 10
PB0 Ain/PA0
2 13
PB1 Ain/PA1
4 14
PB2 Ain/PA2
5 15
PB3 Ain/PA3
6 16
PB4 Ain/PA4
7 17
PB5 Ain/PA5
8 18
PB6/ATIn Ain/PA6
9 19
PB7/ATOut Ain/PA7
ST6265 23
NMI
22
RESET
28
PC0/Ain
27 21
PC1/Tin/Ain OSCout
26 20
PC2/Sin/Ain OSCin
25
PC3/Sout/Ain
24 3
PC4/SCK/Ain TEST
IC1
GND
VCC
R8
IC3C IC2B
5 6 10
PRE
12 9 1
D Q
74HC05 11 8 2
CLK Q
13
CLR
74HC74
GND
5
6
Intermec EasyCoder 601 XP – Service Manual Ed. 3
P2
KEYBOARD
1
2
3
4
5
6
7
8
9
VCC
R25 R23 R21
R26 R24 R22
X1
VCC
8MHz
C2 C3
D1
R10
GND GND
C11 C16
GND GND
B1
Beeper
R20
C10
C9
C8
C7
C6
C5
C4
GND
R29