Kenwood DDX7019 Service Manual page 21

BD
PC BOARD (FOIL SIDE VIEW)
DIGITAL I/O UNIT X88-2020-12 (J76-0394-42)
X88-2020-12
Ref. No Address
IC104 6BG
IC108 3BG
IC201 3BG
IC202 2BG
IC203 2BF
IC205 3BF
IC211 3BF
IC316 6BF
IC332 6BG
IC336 6BE
IC337 6BF
Q302 6BE
Q303 6BE
Q304 6BE
BE
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
BF
27 28
IC203 IC202
1 54
CP146 CP141
CP143 CP142
CP145
CP138 CP137
29
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.
BG
DDX7019/7029/7029Y/7039
DNX7100/7200
27
P307
P309
1
CP140 CP127 CP124
CP125
CP126
CP136
CP118
CP135 CP120 CP119 CP117
11
IC201
IC108
5
1
10 3 4
CP108
C600
R522
C119
CP106
C117
C110
CP107
C122
C125
R18
R7
R146
R145
R17
R24
4 3
1
5
IC104
R506
IC332
C456
4 3
C460
5 1
R481
C468
C327
R482
C324
P305
BH
1
2
3
4
5
6
7
21