Chapter 17 CPU Board
17.5 Components Diagram
EPROM
C109
IC107
P102
IC109
R500
C107
IC108
IC106
C108
B300
D307A
WR1
R324
DISP
C203
P201
+5V EXT
C202
C200
P200
P203
R200
C32
IC200
C201
IC01
R213 R201
C209
IC207
P208
R424
P202
232
P206
CL
P209
422
P207
IC14
P204
C205
P205
R208
R206
R212
IC11
C28
IC206
R203
R202 R204
R215
C207
Z200
Z201
C27
R205
P4
R421
EXT. INTERFACE
P300
C301
D300
D304
C303
FY300
C302
C300
VAR1
132
FLASH
C101
IC103
IC101
P100
P101
C103
IC105
C105
IC104
IC102
IC100
C106
C104
C102
RN7
RN8
R1
R4
MEMORY EXP.
C33
IC20
IC07
C25
ADS
C29
C24
R34
C18
R9
C19
Y1
R8
IC08
NHOLD
R426
R3
R6
R7
R2
L1
C1
R320
R323
R336 R321
VEE
R352
C319
C318
D309
IC303
C312
C316
R338
C317
Q302
R335
R328
R325
040700.10
1
R504
R507
R506
IC502
IC512
IC510
R505
IC506
C508
IC509
IC503
IC511
IC507
C16
C15
C20
C21
C22
IC505
IC09
IC16
IC12
IC13
C37
IC15
IC19
IC04
C17
C35
C13
IC504
C14
IC03
C34
IC10
C12
IC18
RN9
R5
IC404
P3
BEEP
P1
C412
IC402
R415
R10
C4
IC21
C503
R306
C410
Y400
DR300
R719
P303
R700
R26
Z300
Q303
Q4
C322
R314
R326
R304
IC302
C308
R331
R318
R329
R332
R333
R311
D308
C310
C326
P302
C315 C311
R301
IC304
C314
R303
Q300
Intermec EasyCoder 501 – Service Manual Ed. 7
POWER ON
2
LSS
LTS
R-END
WR600
+5V
P2
P602
P605
WR602
WR601
C602
R621
R636
R625
R610
C611
C609
R605
R634
R626
R608
R628
R638
R343
R639
R640
R341
R637
C615
R635
R340
C26
R622
R603
C617
IC605
C36
RN4
R502
C620
R503
IC06
IC22
IC23
C39
RN5
IC702
RN3
C702
RN6
C110
R22 C413
P8
R723
R726
C703
P11
R724
BW
IC02
FW
V24
R722
R412
IC408
IC701
C700
R423
R711
IC204
C605
Q701
C9
C701
R18
R750
R418
C8
IC703
R728
R16
Q707
C7
R15
R730
C320
R14
R718 R715
Q706
Q705
Q700
+40V
C6
Q703
R712
D1
R709
Q1
Q702
Z700
R302
Q3
IC400
R12
C704
Q2
P6
P24
C324
DR303
R346
C361
Q306
D311
C304
D310
Q305
D305
P603
LED1
3
R351
C623
C604 R649
R612
R613
P606
4
Q600
R615
R616
R617
R618
R619
IC603
R620
P600
5
C607
C606
IC604
C621
P612
6
R629 R630
C608
R631
Q602
R633
R632
P12
P604
R35
C612
C622
C613
R641
R727
R644
C606
R24
P607
R23
F700
F701
P700
C365
IC403
P608
8
P401
D404
R411
C407
D406
P400
R417
C409
C364
D407
D403
R405
C405
C363
R406
D403
D400
C400
C362
D401
R402
Z301
IC300
Q704
C325
P301
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