32
TK-290-11B
SCHEMATIC DIAGRAM
7
6
5
4
3
2
1
A
B
C
D
E
X53-393 (A/6) 1/2
R1
27k
L1
R2
1k
R11
0
L6
L2
R14
100k
R15
2.2k
IC2
BU4094BCFV
1 STRB
2 DATA
3 CLK
4 Q1
5 Q2
6 Q3
7 Q4
8 VSS
9
QS
10
Q’S
11
Q8
12
Q7
13
Q6
14
Q5
15
OE
16
VDD
CP1
R60
100
R13
47k
R3
47
R18
47k
R5
47k
R17
47k
R22
1k
R6
0
CN1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
R56
15k
L9
R4
47k
R12
1k
R9
5.6k
R10
5.6k
R7
0
R8
0
R63
0
R23
1k
C15
470p
C12
0.47u
C1
470p
C11
1000p
C39
470p
C38
1000p
C14
0.1u
C3
470p
C22
470p
C4
470p
C37
100p
C8
0.47u
C10
1000p
C5
470p
C2
470p
C41
1000p
2SC4617(S)
Q5
D2
UDZ3.9(B) or
UDZ3.9B
C16
100u10
2SK1824-A
Q8
2SK1824-A
Q15
2SK1824-A
Q7
D19
MA2S111-F
D20
MA2S111-F
2SB798AZ(DL,DK)
Q6
C43
470p
C7
1000p
C6
1000p
C47
100p
C49
100p
C48
100p
47k*2
KEY1
SB
SP-
KEY2
5CM
MUTE
TCONT
OPPTT
LCS
SD TO
MICE
MAN D
AMPSW
PTT
MIC
LAMP
Q7
N/CSW
AF
5TB
AFE
EXAFC
INAFC
Q6
CLK
NC
AFE
DATA
SP+
KES
E
DGND
SB
TX-RX UNIT (X57-6132-70)
CN401
CONTROL UNIT (X53-3932-71) (A/6)
Q6
INT.AUDIO
MUTE SWITCH
AUDIO
MUTE SWITCH
SIGNAL OFF
POWER SUPPLY
SWITCH CONTROL
AVR
EXT.AUDIO
MUTE SWITCH
SHIFT
REGISTER
AF AMP POWER
SUPPLY SWITCH
D19,20
REVERSE CURRENT
PREVENTION
N/CSW
PTT
LCS
MICE
AFE
5CM
5CM
MAN_D
TCONT
OPPTT
CLK
7.4V
RE:4.8V
RI:0V
T:0V
5.0V
RE:0V
RI:4.8V
T:0V
5.0V
RE:2.0V
RI:0V
T:0V
RE:0V
RI:2.0V
T:0V
R:4.8V
T:0V