37
SCHEMATIC DIAGRAM
TK-290-11B
T
S
R
Q
P
X57-613 4/6
ETS1
RXIN
ETS2
R660
22k
C652
4.7u6.3
C637
5600p
(J)
2SK1824-A
Q602
R673
4.7k
R659
10k
C636
0.033u
C621
0.1u
C647
0.1u
C650
0.1u
C655
100p
R657
100
R666
0
R665
0
C648
100p
C657
4.7u6.3
C656
0.056u
R654
68k
(0.5%)
R652
47k
R662
47
R647
0
C664
0.1u
R671
4.7k
R661
39k
C635
5600p
(J)
C642
150p
C645
9p
R672
4.7k
C640
2700p(J)
R653
180k
C633
0.01u
C663
1000p
C646
10u6.3
R639
91k
(0.5%)
C641
2700p(J)
2SK1824-A
Q601
R651
1.5M
R670
4.7k
IC607
TC35453FG
PWRIN
EXPo
ECHG
EXPGS
44
EXPIN
1
RXFo
RXGS
RXIN
MSKGS
MSKIN
TXoUT
IDCGS
IDCIN
TXFo
AGND
11
CST
12
MICIN
MICGS
CALC
ALCo
CoMPIN
CCHG
CMPo
TXFI
VDDA
VDDD
22
STB
23
DIN
DCK
REGS1
REGS2
XoUT
XIN
MSKE
TRD
RTM
RDT
33
FCLR
34
VSSD
VSSA
MSKST
PWRoP
PWRoN
PWRGS
R655
470k
R663
22
C643 1200p
R674
100k
C644
1000p
C632
0.1u
C638
2700p(J)
C651
0.1u
X600
3.579545MHz
C626
0.1u
C639
9p
C630
0.01u
C629
0.01u
C634
5600p(J)
R640
68k(0.5%)
R642
33k(0.5%)
R656
6.8k
(0.5%)
R645
270k(0.5%)
R643
560k
C631
0.1u
R648
91k
(0.5%)
R641
91k(0.5%)
IC610
TC75W51FUF
1
oUTA
2
IN-A
3
IN+A
4
VSS
5
IN+B
6
IN-B
7
oUTB
8
VDD
R681
100k
C672
220p
R682
100k
R680
100k
C670
0.1u
IC609
TC7W53FU-F
1 CoMMoN
2 INH
3 VEE
4 GND
5
A
6
CH1
7
CH0
8
VCC
C675
0.01u
R685
390k
R684
47k
C674
0.22u
IC608
TC7W53FU-F
1 CoMMoN
2 INH
3 VEE
4 GND
5
A
6
CH1
7
CH0
8
VCC
C627
1200p(J)
R633
150k
R634
15k
C628
0.01u
C671
2200p
C608
0.01u
R616
10k
R658
220k
R683
100k
C673
680p
C678
0.1u
R631
200k
R687
22k
R649
6.8k(0.5%)
C682
0.1u
R689
10k
R691
10k
R690
270
R686
0
R923
0
R924
0
D601
MA3J742
RDT
RTM
TRD
CLK
FCLR
MSKE
REG2
REG1
MSTB
MDAT
ANALOG SWITCH
DC SWITCH
VOLTAGE
CLAMP
MUTE
SWITCH
5M
5T
5R
RXIN
5C
TONE
T/R
ETS2
ETS1
MOD
ANALOG SWITCH
ACTIVE FILTER/
AF AMPLIFIER
AUDIO PROCESSOR
5C
5T
5M
TONE
T/R
MOD
5R
DET
DET
RXOUT
MIC
AUDIH
R:1.9V
T:1.4V
S:0V
R,T:1.8V
S:0V
1.3V
5.0V
5.0V
TX-RX UNIT (X57-6132-70)