Power - Intermec EasyCoder 501 Service Manual

17.6:13 Power

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