33
SCHEMATIC DIAGRAM
TK-290-11B
7
6
5
4
3
2
1
E
D
C
B
A
Note : The components marked with a dot (
•
) are parts of layer 1.
X53-393 (A/6) 2/2, X53 (B/6) 1/1, X53 (F/6) 1/1
A
A
A
N/CSW
R27
10k
R49
1k
CN4
1
2
R26
10k
IC10
TC7W04FU-F
1
1A
2
3Y
3
2A
4
GND
5
2Y
6
3A
7
1Y
8
VCC
IC6
TC7SH08FU-F
1
INB
INA
GND
OUTY
5
VCC
R47
1k
IC1
TDA7053AT
1
NC1
VC1
NC2
VI<1>
VP
VI<2>
SGND
8
VC2
9
OUT2+
PGND2
NC3
OUT2-
OUT1-
PGND1
NC4
16
OUT1+
L4
IC4
TC7SH08FU-F
1
INB
INA
GND
OUTY
5
VCC
R48
1k
R43
47k
R46
1k
R64
0
IC5
TC7SH08FU-F
1
INB
INA
GND
OUTY
5
VCC
R28
10k
R45
1k
R33
22k
R32
68
C29
0.1u
C34
470p
C19
0.47u
C27
0.1u
C31
0.022u
C28
0.1u
C33
470p
C35
1000p
C46
470p
D15
MA2S111-F
D12
MA2S111-F
D13
MA2S111-F
Q14
UMC4N
D16
IMN10
MIC1
MIC2
R106
270k
R101
100k
R108
10
R102
10k
L101
S1
C103
1000p
R103
10k
D102
B30-2231-05
R502
1k
R104
10k
R105
470
D101
1SS373F
IC101
LC75824W
1
P1/S1
P2/S2
P3/S3
P4/S4
P5/S5
P6/S6
P7/S7
P8/S8
P9/S9
P10/S10
P11/S11
P12/S12
S13
S14
S15
16
S16
17
S17
S18
S19
S20
S21
S22
S23
S24
S25
S26
S27
S28
S29
S30
S31
32
S32
S33
33
S34
S35
S36
S37
S38
S39
S40
S41
S42
S43
S44
S45
S46
S47
S48
48
49
S49
S50
S51
COM1
COM2
COM3
COM4
VDD
VDD1
VDD2
VSS
OSC
INH
CE
CL
64
DI
C106
1u10
C104
100p
R107
4.7k
D103
B30-2231-05
D104
B30-2019-05
IC3
NJM2904V-ZB
1
AOUT
A-IN
A+IN
GND
B+IN
B-IN
BOUT
8
V+
R29
22k
L3
C45
470p
C32
0.47u
R44
47k
C105
100p
CN101
1
DGND
2
TOGGLE
3
KI2
4
Q6
5
Q7
6
CE
7
CL
8
DI
9
LAMP
10
TXLED
11
BLED
12
5CM
R57
0
CN3
1
2
3
4
5
6
R35
10k
R36
1.8k
R30
22k
R34
1.8k
C30
0.47u
R59
1k
L7
L8
(MAIN)
INT MIC
INT SP.
(N/C)
INT MIC
AUDIO POWER
AMPLIFIER
INVERTER
NOISE CANCELLING SWITCH
IC4-6
REVERSE
CURRENT
PREVENTION
SW B
SW A
D101
LCD
SPEED UP
LCD DRIVER
TOGGLE
X53- (B/6)
X53- (F/6)
SW
LCD
BACKLIGHT
D102,103
TONE 1
(X57-6132-70)
REVERSE CURRENT
PREVENTION
CN400
PTT
D12,13,15
MONITOR
MIC NOISE
CANCELING
CIRCUIT
TX-RX UNIT
TONE 2
E40-6467-05
OPTION BOARD
EMABLE SELECTOR
E41-2539-05
N/CSW
PTT
LCS
MICE
AFE
5CM
5CM
MAN_D
TCONT
OPPTT
15
14
13
12
11
10
7
6
5
4
3
2
2
3
4
7
6
5
2
3
4
3
2
4
3
2
4
CLK
TX BUSY
LED
5.0V
5.0V
5.0V
CONTROL UNIT (X53-3932-71) (A/6)