Schematic Diagram - Kenwood TK-3312 Service Manual

A
TK-3312/3317
1
TX-RX UNIT (X57-7890-21)
2
3
VR1
R 3 1 - 0 6 7 6 - 0 5
1
4
2
3
4
5
6
W1
7
W 0 2 - 3 7 4 8 - 0 5
8
5
4KEY S
3KEY
6
PTT
Side1
SIDE1
Side2
SIDE2
GND
7
38
X57-789 1/6
B

SCHEMATIC DIAGRAM

LCD
L C D BAC KL I G H T
10kx4
3 3
CP 82 6
S EG 2 9
SEG29
3 4
SEG30
SEG 30
SEG31
3 5
SEG32
SEG 3 1
3 6
SEG 3 2
R 9 36
SEG33 3 7
SEG 3 3
1 0 k
3 8
SEG 3 4
3 9
SEG 3 5
CN 8 01
7.5V 4 0
E 4 0 - 6 8 2 7 - 0 5 SEG 3 6
B
41
SEG 3 7
SB
4 2
SEG 3 8
VOLIN
AFI 4 3
SEG 3 9
AFO 4 4
SEG 40
GND 4 5
SEG 4 1
VOLOUT
UP 4 6 SEG 4 2
DOWN
4 7 SEG 4 3
SEG 4 4
GND 4 8
SB
A B C
1 2 3
KEY4O
D 82 9
KEY1I
1 SS 38 8 F
4 5 6
D 8 3 0
KEY2I
1 SS3 8 8 F
7 8 9
D 8 3 1
KEY3I
1 SS3 8 8 F
0 #
*
D 8 3 2
KEY4I
1 SS3 8 8 F
KEY3O
KEY2O
KEY1O
PTT
L302
PF1
PF2
C
BUSY
B30-2314-05
D 8 0 4
D C S W
Q 8 2 1
2 S B 1 6 9 4
R 9 6 1
0
D C S W
2 S C 4 6 1 7 (S )
Q8 2 0
R 9 5 2 R 9 6 0
3 3 0
R9 5 3
4 . 7 k
C P 8 2 1
10kx4
1 6
S E G1 2
S E G1 1
1 5
S E G 1 0
1 4
S E G 9
1 3
C P 8 2 0
10kx4
S E G 8
1 2
S E G 7
L C D 1 1
D R I VER
S E G 6
1 0
S E G 5
IC821
9
C P 8 1 9
NJU6434
10kx4
S E G 4
8
S E G 3
7
S E G 2
6
S E G 1
5
C P 8 1 8
C o M 4 10kx4
4
C o M 3
3
C o M 2
2
C o M 1
1
C 9 5 0 R 9 9 2
1 M
1 u
C 9 5 1
1 0 0 0 p
AV R
I C 8 0 4
X C 6 2 0 9 B 3 3 2 M R
R 8 0 7
1 V I N
Vo U T
5
0
2 V S S
R:7.4V
T:7.2V 3 C E
N C
4
7.4V
I N T
I C 8 0 5
X C 6 1 C N 4 5 0 2 M R INT
R 8 2 2
Vo U T
V I N
1 k
V S S
D E
TX S IG N
B30-2315-05
B30-1790-05
D8 0 1
D 8 0 5
D C S W
BLUE LED
2 S K 1 8 3 0 F
D C S W ON:3.3V
Q8 0 5
Q8 0 1
LEDGRE
U PA 6 7 2 T-A
LEDRED
RX: 0V
TX:3.3V
7.4V
SB
3.3V
33MS
0
BUSY LED
ON:3.3V
LEDBLU
SEG12
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
LEDGRE
SEG2
LEDRED
SEG1
COM4
COM3
33MS
COM2
COM1
3.3V
VOLIN
33MSC
VOLOUT
3 3 M
3.3V
33MS
33MSC
D C S W
ON: 0V
Q 8 0 4
S S M 3 J 0 5 F U - F
PTT/RXD
TX-RX UN
LCDBL
BUSY
33M
INT0
SB
B