Kenwood KDS-100 Service Manual page 19

A B C D
KDS-100
PC BOARD VIEW
1
DISPLAY UNIT (X54-3350-20) Component side view + Foil side
2
D22
J72-0800-09
+ +
C40 C41
+ +
D23
D16
3
+ +
C248
D17
D18
R40
4
R36
C234
C3
R207
Fout 1 5
3 4
D24
CN18 (EXT SP)
1 5
CN33 (DGPS)
5
C1
R68 3 4
C20
D2
4 4 R208
8
Q4
GND GND
12 GND
CTS2 CTS1
NC R90
RXD2 RXD1
GND
R78
DGPC
TXD2 TXD1
ACC DET
6
NC R85
I/O B4
1 1
RXD
I/O B3
R199
TXD
I/O B2 D39
S Q11
D
BACK UP
G
I/O B1
CN16
VCC R73
5V S
D Q12 R71
G
GND 1
R201
I/O A4
R69
7
I/O A3
R63
I/O A2
CN15 (SWIPE READER)
I/O A1
1
Q16
8
R215
4 5
IC7
1 8
9
D30
S5
M ENU
D20 D21
10
Ref No. Address Ref No. Address Ref No. Address
IC1 6I IC11 3I IC22 5Q
11
IC2 5C IC12 3E IC23 6L
IC3 3D IC13 6I IC24 4O
IC4 7Q IC14 5R IC25 9I
IC5 8M IC15 7P IC26 8K
IC6 6E IC16 6G IC27 8K
12
IC7 9C IC17 6P IC28 6O
IC8 9E IC19 3M IC30 9O
IC9 10C IC20 5P IC31 6N
IC10 3H IC21 8Q IC32 8H
13
21
14
E F G H
L1
1
32
C247
+
IC12
C233
1 20
16 IC38
17
10 11
Q13
CP14
CP12
CP16
Q14
CP13
CP15 CP17
C231
DAT
1 20
IC16
TXD1 RXD1
1 5
+
R81 75 51 3 4
IC37
76 50
R91
R89
R88 10 11
R87
R95
R84 R86
R82
HOLD
R96
R79
C43 + WR
R75
IC6 R97
R74
C44
R72
R70
R98
R65
BA1
R64
100 26
R60
1 25 R56
R47
R48
C37
C206
L3
R50
CP1
L2
C138
CLK
R121 C140
R247
X1
CNVss
10 11
IC8
S6 S7
1 2
1 20 C47
Ref No. Address Ref No. Address Ref No. Address Ref No. Address
IC33 8L Q2 3C Q12 7C
IC34 3Q Q3 4B Q13 5D
IC35 9N Q4 5A Q14 5D
IC36 9Q Q5 4N Q15 8J
IC37 6H Q6 4O Q16 8D D10
IC38 4H Q7 4K D1 8R D11
IC39 3H Q8 4K D2 5D D12
IC40 3D Q9 4N D3 9S D13
IC41 8J Q10 3Q D4 4A D14
Q1 3C Q11 6C D5 6I D15
I J K L
C226
Vcc
GND
1 20
CN31 (LCD)
L4
IC11
R244
R174
10 11 R235
R236
B
C
3.3DL
E
Q8
C186 +
+
108
C181
109
C185
+
C183
C178
C182
R250
R249
C188
C171
R33
C187 +
R32
R31
C179
144
C180
1
C184 +
L5
R245
+
+
+
C193
D40
C211
C189
Q15 R163
+
4 3
C255
+ 5 1 RST
4 3
5 1
IC41
C198
D29
R238
S8
3
R241
R242
Ref No. Address Ref No. Address Ref No. Address
D6 4B D16 3C D28 10N D39
D7 7O D17 3C D29 10I D40
D8 4C D18 4B D30 10C
D9 8S D19 8S D31 6S
8M D20 10A D32 10Q
8P D21 10B D34 8C
4C D22 2C D35 8C
7N D23 3C D36 8C
4S D24 5A D37 8C
4S D27 3R D38 8B
22
M N O
1
C223 +
–
C217
2
Q6
3 4
1 5
R176
R180
R179
+ C145
+
B
Q5
C144
1.8DL
C
C147
73
E
Q9
72
R136
R134
C197
R232
R133
R132 + +
C149
+ +
C150
+
IC23
C205 + R138 R128 R126
C133
R124
C163
+
C142 C135
C191
C203
+
C130 +
O C51
+
R104
C209 +
G
C129
R131
R130
I
IC31
R206 R137
37
R129
36
J1 (M IC)
+
4 1
M IC
PSB PTT/
CM
TXD
HOOK/
BKL E +
RXD
M E
8 5
R20
R15
+
D28
S3 S4
C220
4 5
7C
7I
P Q R S
D27
R190 +
R189
C196
+
R231
S2
R152
15
+ R26 C29
RXD
+
R29 C27
TXD
R25 C24
DISP OFF
R28 C22
ID
C165 R114 C104
D31
R24 M M C19
R127 R157
R116
C85 +
R14 AM C16
+ + C136
TXS
R23 C12
R120 SQ
C254 R13 C7
DTC
R11 C4
PTT
C125
R6 C2
DO
C154 +
GND
DI
S1
R146
SBO
C160
SB
1
+
R115
C98
D1
R103 +
C50
C79
+ C157
+
D32
S9
+
SEL
Com ponent side
Pattern 1
Pattern 2
Pattern 3
Pattern 4
Foil side
Connect 1 and 4