Kenwood TK-2317 M3 Service Manual page 49

A B C D
TK-2317
PC BOARD
1
TX-RX UNIT (X57-7880-21) Component side view (J79-0287-29)
2
J79-0287-29
B
3
4
C811
D831
5
BATT
R703
6
5T
7
3.3M
LCDBL
R705
5C
D832
8
MOD1
FREQ
3.3MS
9
GND
10
11
Ref. No. Address Ref. No. Address Ref. No. Address
IC301 3N Q306 4N
IC810 4K Q801 8Q
IC815 7O Q805 5P
12
IC820 6L Q813 5P
IC821 8K Q814 6O
Q303 3M Q815 9K
Q304 3M Q816 8M
Q305 3M Q817 6P
13
14
E F G
C496
R469
R470 GND
W/N
R956
R707
D830
R701
5R
MOD2
Ref. No. Address
Q818 7P D820 5G
Q819 8O D821 8G
Q822 4N D824 3K
D801 8R D829 6G
D804 8S D830 5E
D805 8S D831 5C
D818 3L D832 8B
D819 3J
H I J K
R955
D819 C945 D824
COM1
BPF1
COM2
CP836
COM3
IC810
COM4
SEG1
SEG2
SEG3
CP837
SEG4 C861
SEG5
SEG6
SEG7
SEG8
SEG9
AO
SEG10
40
SEG11
BPF2
41
SEG12
SEG13
CP840
SEG14
HSDENC
SEG15
CP841
SEG16
SEG17
CP842
SEG18
5M
SEG19
SEG20
CP821
SEG21
DAF
SEG22
16 1
SEG23
17 64
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
49
32
SEG30
33 48
SEG31
SEG32
1 6
Q815
SEG33
CP826 3 4
CP817
L M N O
TX-RX UNIT (X57-7880-21) Component side view (J79-0287-29)
C819
R312 C307
R306
R311
D818
L302
Q304
IC301
G
Q305
D
S
C311 R318
R308
Q822
C831
21 20 CN801
C849
R852
C843
R839
R845
1
R824
80
C965
BLK
S–
R850
IC815
60 61
R836
BLU
R993
M–
C950
C924
CP846
R934
4 3
Q816
R921
6 1
R919
RED
5M OPTDET MICIN MIC
S+
R929 R922 R931
YEL
SPO
C936
R930 TXD
M+
PTT/RXD
SPI
AE
P Q R S
TK-2317
PC BOARD
ANT
R235
C920
C925
R924
R925
4 3
R935
Q801
6 1
+
Component side
Layer 1
Layer 2
NC Layer 3
Layer 4
Layer 5
Layer 6
Foil side
1
2
3
4
5
6
7
8
9
10
11
12
13
14