Kenwood DDX8022BT/8022BTY Service Manual page 7

K
PC BOARD (FOIL SIDE VIEW)
DIGITAL I/O UNIT X88-2030-10 (J76-0512-12)
P310
R509
56
R507
P306
Refer to the schematic diagram for the values of resistors and capacitors.
L
28 27
IC203
1
54
29
IC211
C124
C115
1 28
R197
R12
R438
R131
R168 R183
R169 R184
R199
R196
1
M
28 27
IC202
1
54
CP142 CP140
CP127 CP126
IC108
5
1
3 4
R522
CP108
CP160
CP109
C119
CP106
C116
CP107
C122
C144
R140
C117
C114
R194
R147
C128 C127 C110
C121
R193
C123
R130
5 4
8 1
IC903
60
CN328
N
DDX8022BT/8022BTY/8032BT/8032BTM/812
DNX8120/8220BT
P309
R146
R145
R18
R17
IC104
R24 4 3
5 1
C102
P305
X88-2030-10
Ref. No. Address
IC104 4N
IC108 3M
IC202 2M
IC203 2L
IC211 3L
IC903 4M
O
1
2
3
4
5
6
7
7