Kenwood DDX7019 Service Manual page 21

AJ
PC BOARD (FOIL SIDE VIEW)
DIGITAL I/O UNIT X88-2020-18/19 (J76-0394-42)
X88-2020-18/19
Ref. No Address
IC104 6AM
IC108 3AM
IC201 3AM
IC202 2AM
IC203 2AL
IC205 3AL
IC211 3AL
IC332 6AM
AK
28
P308
P310
R276
54
R227
C247
C244
56
IC211
1
R525 R474
C473
R527
8 5
C401
1 4
8 5
R357
4 1
R356
R369 R367
R371
1 4
E B E B
5 8
E B
C400
R370 R368
R372
L309
R507
1
P306
AL
DDX7019/7029/7029Y/7039/8019/8029/8029Y/8039
DNX7100/710EX/7200
27 28
IC203 IC202
1 54
CP146
CP141
CP142
CP143
CP145
29 CP138 CP137
20 11 20
IC205
1 10 1
CP122
CP133
C114
C116
C127
R168
C124
C121
R183 C115
C123
R169
28 C144
R184
C128
R199
R32
R196
R31
R197
R12
R195
R198
R452
R29
R30
R148
R149
R376
IC337
C471
8 5
1 4
R461
R316
L308
C326
60
C482
CN328
Refer to the schematic diagram for the values of resistors and capacitors.
AM
27
P307
P309
1
CP124
CP140 CP127
CP125
CP126
CP136
CP118
CP135 CP120
CP119 CP117
11
IC201
IC108
1 5
10 3 4
CP108
C600
R522
C119
CP106
C117
C110
CP107
C122
C125
R7 R18
R146
R145
R17
R24
4 3
5 1
IC104
R506/C816
IC332
C456
4 3
C460
5 1
R481
C468
C327
R482
C324
P305
AN
1
2
3
4
5
6
7
21