Intermec EasyCoder 501 - Power

145Intermec EasyCoder 501 – Service Manual Ed. 7
Chapter 17 CPU Board
17.6:13 Power
10
4
5
2
1
9
IC301
6
7
3524
15
3
OSCOUT
12
C1
11
E1
13
C2
14
E2
16
U=5V
8
V24–EN
R314
V24
+
GND
DR300
Q300
P300
3
4
1
2
AD–VIN
R301
D305
C304
U
IN OUT
ADJ
GND
C326
R350
R309
+
C301
C300
D300
D301
C303
D304
C307
D306
C309
C302
VAR1
FU300
IC304
LM317L
+
–
+
–
COMP
RT
CT
ERR
CURR
SHUTDOWN
R303
R300 R304R318
C308
10
3524
15
3
OSCOUT
12
C1
11
E1
13
C2
14
E2
16
U=5V
8
+
–
+
–
COMP
RT
CT
ERR
CURR
SHUTDOWN
IC303
GND
R320
GND
R311
C310
R312R316
GND
R317
R313
GND
DR301
Q302
R328
R325
4
5
2
1
9
6
7
R334 R335
R336
R338
C312
C317
C313
C316
GND
GND
R323
R321
C314 C315
GND
+
D309
+5V
C311
+
D308
VEE
Q303
R322
1
2
3
R330
R327
/RESET
RESETB
Q304
1
2
3
GND
GND
R327
R333
R332
+5V
R331
4
3
2
7
8
TL7709M
VCC
6
SENSE RESET
5
RESIN RESET
CT
REF
1
GND
IC302
GND
C319
+
C318
C322
Z300
R329
R326
10
11
IC600C
LM339M
COMP
+
–
13
R343
R307
GND
R308
R310
GNDGND
C320
R341
TRESH
R340
+5V
VIN–OK
GND
HOLE1
HOLE2
HOLE3
HOLE4
HOLE5
HOLE6
1
1
1
1
1
1
VEE
+5.3V
1
2
3
1 2 3
4
GND
D307
B300
R345
C325
C323
IC300
R344
CIN
5
TC
3
GND
4
CL+
6
MC34063
CL–
7
SWE
2
DRC
8
SWC
1
Q305
R348
C324
R349
R347
V40
R346
D310
GND
GND
+
DR303
C361
C360
R360
2
1
3
Q306
D311
32
Z301
3
1
2
R327
AD-CHARGE
C370
R352
P302
R351
P303
1
2 GND
LED1
R324