Kenwood KDS-100 Service Manual page 18

A B C D
DISPLAY UNIT (X54-3350-20) Foil side view
J72-0800-09
+
C196
+
R231
R152
15
C29 R26 +
RXD
+
C27 R29
TXD
C24 R25
DISP OFF
C149
C22 R28
ID
C104 R114 C165
C19 M M R24
R157 R127
R116
+ C85
C16 AM R14
C136 + +
C163
TXS
C12 R23
SQ
C7 R13
R120
DTC
C4 R11
PTT C129
C2 R6
DO
GND
DI
SBO
SB
1
+
R115
C98
D1
+ R103
C50
+
C79
+
+
Ref No. Address Ref No. Address Ref No. Address Ref No. Address
IC1 6K IC22 5C IC34 3C D3
IC3 3P IC24 4E IC35 9F D4
IC4 7C IC25 9K IC36 9C D5
IC5 8G IC26 8I Q3 4R D6
IC7 9Q IC27 8I Q6 4E D8
IC8 9O IC28 6E Q7 4I D9
IC9 10Q IC30 9F Q8 4I D12
IC14 5B IC31 6F Q9 4F D14
IC15 7D IC32 8L D1 8B D15
IC20 5D IC33 8H D2 5P D16
E F G H
1
+ C223
–
C217
2
Q6
4 3
3.3DL
5 1
R176
R180
R179
Q9
B 1.8DL
C
E
C197
+ +
+ +
C150
R126 R128 R138 + C205
+
C135 C191
C203
+
C51 O
+ R104
+ C209
G
I
IC31
J1 (M IC)
1 4
PTT/
CM M IC PSB
TXD
HOOK/
RXD M E E BKL
8
5
+
C220
M 62364FP
Ref No. Address
TC74LVX4245FS
9A D17 3Q
4S D18 4R
6K D19 8A
4R D20 10S
4Q D21 10R
8A D22 2Q
4Q D23 3Q
M BM 29LV800B90
4A D40 7K
4A
3Q
I J K
CN31 (LCD)
R244
R174
R235
R236
B
C
E
Q8
+
R250
R249
R33
R32
R31
L5
R245
+
C193
D40
C211
C189
+
RST
C255 C206
+
C198
R238
R241
R242
320VC5402PGE TC7W66FU
ADM 3202ARU TA7805F
TA7808F
19
L M N O
PC BOARD VIEW
L1
+
RXD1
DAT
TXD1
+
R81
R78
R85
R84
WR
+
C43
C44
BA1
L3
L2
CLK
R247
CNVss
11 10
IC8
C47 20 1
RTC-4574SA TDA7053AT W24100S-70LE
BU2099FV XC62FP1802P 30620M 8A-2M 6GP
TC74LVX244FT
P Q R S
KDS-100
1
2
D22
+ +
C41 C40
+ +
D23
D16
3
+ +
D17
D18
R40
4
R36
C3
Fout
CN18 (EXT SP)
CN33 (DGPS)
5
C1
D2 C20
4 4
8
GND GND
GND 12
CTS1 CTS2
NC
RXD1 RXD2
GND
DGPC
TXD1 TXD2
ACC DET
6
NC
I/O B4
1 1
RXD
I/O B3
TXD
I/O B2
BACK UP
I/O B1
CN16 (PC/AT KEY BOARD)
VCC
5V
1 GND
I/O A4
7
I/O A3
I/O A2
CN15 (SWIPE READER)
I/O A1
1
8
5 4
IC7
8 1
9
D21 D20
10
Com ponent side
Pattern 1
Pattern 2
11
Pattern 3
Pattern 4
Foil side
12
13
20
14