Schematic Diagram - Kenwood TK-2317 Service Manual

A
TK-2317
1 TX-RX UNIT (X57-7880-20)
2
3
V R 1
R31-0676-05
1
2
3
4
4
5
6
W1
7
W02-3748-05
8
4 KE Y S
5
3K EY
6
PTT
SIDE1
SIDE2
7
56
X57-788 1/6
B
SCHEMATIC DIAGRAM / 原理图
LCD
LCD BACKLIG HT
10kx4
33
CP826
SEG 29
SEG29
34
SEG30
SEG 30
SEG31
35
SEG32
SEG31
36
SEG32
R9 36
SEG33 37
SEG 33
1 0 k
38
SEG 34
3 9
SEG 35
CN801
7.5V 40
E 4 0 - 6 8 2 7 - 0 5
SEG 36
B
41
SEG37
SB 4 2
SEG38
VOLIN
AFI 4 3
SEG39
AFO 44
SEG4 0
GND 4 5
SEG 41
VOLOUT
UP 4 6 SEG42
DOWN 47 SEG43
SEG4 4
GND
48
SB
A B C
1 2
3
D829
1SS388F
4 5 6
D830
1SS388F
7 9
8
D831
1SS388 F
0 #
*
D832
1SS388F
L302
Side1
Side2
GND
C
D C SW
Q 8 2 1
2 SB 1 6 94
L CD
DR I VER
IC821
NJU6434
C950 R 9 9 2
820k
1 u
C9 5 1
1 0 0 0 p
KEY4O
KEY1I R807
0
R:7.4V
KEY2I T:7.2V
KEY3I
7.4V
KEY4I
KEY3O I N T
I C8 0 5
KEY2O
X C 6 1 C N 4 5 0 2 M R
KEY1O
V I N Vo U T
PTT
V S S
PF1
PF2
D
TX SI GN
BUSY
B30-2314-05
B30-2315-05
D 8 0 1
D8 0 4 D 8 0 5
D C S W
Q 8 0 1
U PA 6 7 2 T-A
R 9 6 1
0
7.4V
D C S W
SB
2 SC 4 6 1 7 (S)
Q 8 2 0
R 95 2 R9 6 0
33MS
3 3 0 0
R 95 3
4 . 7 k
C P8 2 1
10kx4
1 6
SEG12
S EG 1 2
SEG11
SEG 1 1
1 5
SEG10
SE G1 0 SEG9
1 4
SEG 9
1 3
CP 8 2 0
10kx4
SEG 8
1 2
SEG8
SEG7
S EG 7
1 1
SEG6
S EG 6 SEG5
1 0
S EG 5
9
C P8 1 9
10kx4
S EG 4
8
SEG4
SEG 3 SEG3
7
SEG2
S EG 2 SEG1
6
S EG 1
5
C P8 1 8
C o M4 10kx4
4
COM4
COM3
C o M3
3
COM2
C o M2 COM1
2
C o M1
1
3.3V
AVR
IC 8 0 4
X C 6 2 0 9 B 3 3 2 M R
3 3 M
1 VI N
Vo U T
5
2 VS S
3 CE
N C
4
3.3V
33MS
INT
R 8 2 2
D C SW
1k
Q8 0 4
S S M 3 J 0 5 F U - F
E
B30-1790-05
D C SW
BLUE LED
2 S K1 8 3 0 F
ON:3.3V
Q 8 0 5
LEDGRE
LEDRED
RX: 0V
TX:3.3V
LCDBL
3.3V
BUSY LED
ON:3.3V
BUSY
LEDBLU
LEDGRE
LEDRED
33MS
33M
VOLIN
33MSC
INT0
VOLOUT
33MSC
ON: 0V
SB
PTT/RXD
B