SCHEMATIC DIAGRAM
TKR-750
81
T
S
R
Q
P
X57-695 (B/2) 4/5
-t
-t
R743
47k
1
2
CONT
5
VCC
1
VSS
2
VIN
3
VOUT
R718
47k
2
COM
3
IN
1
OUT
0.01u
R717
47k
C771
10u6.3
C782
1u
C704
0.1u
R657
47k
C764
0.01u
R668
18k
R738
270k
0.47u25
C720
10u10
C725
47p
C781
1u
R680
22k
R742
0
C715
0.01u
18k
R709
22k
C684
100p
C785
0.1u
R658
47k
C769
10u6.3
C743
0.01u
C776
1u25
C700
10u10
R674
82k
R740
100k
R678
100k
C643
10u10
C692
0.01u
R669
22k
R690
47k
TXD0
C726
180p
C770
10u6.3
R672
100k
C740
100p
R721
22k
TAS
C826
10u6.3
C705
0.01u
C706
10u10
22k
R653
0
IC608
TA75S01F
1
IN(+)
2
VEE
3
IN(-)
4
OUT
5
VCC
C767
100p
R735
33k
SPM
R712
47k
C761
0.1u
IC610
TA75S01F
1
IN(+)
2
VEE
3
IN(-)
4
OUT
5
VCC
R744
39k
R670
22k
R729
22k
C729
10u10
C822
100p
LD1
1
2
3
4
5
B+IN
6
B-IN
7
BOUT
8
+V
Q605
DTC114EUA
CLK
1u25
1
12
13
24
R812
22k
R707
22k
C736
1800p
C795
100p
SDTO
C685
0.01u
C703
0.1u
MIS
R710 47k
2
COM
3
IN
1
OUT
C744
10u10
R654
0
SCLK
1
8
9
16
R683
120k
C778
1u
25
TDS
RXD0
AM
C768
100p
C821
100p
C766
100p
C758
1u
C801
10u6.3
C817
47u25
R815
100k
R739
10k
C701
10u10
C642
0.01u
1
INB
2
INA
3
GND
4
5
R747
10k
1
2
3
4
5
B+IN
6
B-IN
7
BOUT
8
+V
AMPSW
C825
0.1u
C739
180p
C746
10u10
R728
22k
C662
10u10
R708
22k
R715
10k
IC617
NJM4558E
1
2
3
4
5
B+IN
6
B-IN
7
BOUT
8
+V
C697
10u10
MCLK
R685
100k
IC619
TC75W51FU
1
2
3
4
5
IN(+)-B
6
IN(-)-B
7
OUT
-B
8
VDD
1
VSS
2
VIN
3
VOUT
R655
47k
IC616
NJM4558E
1
2
3
4
5
B+IN
6
B-IN
7
BOUT
8
+V
R686
100k
C786
0.1u
C681
68u6.3
LRCK
R736
47k
C775
1u25
R741
150k
1
Y1
Y0
Z1
Z
Z0
INH
VEE
8
VSS
9
16
R732
47k
C728
0.01u
SDTI
R745
47k
C721
10u10
1
VSS
2
VIN
3
VOUT
C648
0.01u
C780
1u
C724
1800p
R684
47k
R682
15k
C649
33p
C723
1u
C652
100p
R671
22k
1
VCOM
AINR
AINL
VSS
VDD
DEMO
DEM1
8
SDTO
9
16
C806
47u25
R714
22k
R676
82k
C698
10u10
C690
100p
2
COM
3
IN
1
OUT
C679
10u10
R737
47k
R722
330k
DAT
C763
1000p
C730
0.01u
C823
47u4
C779
1u25
C777
1u25
R841
0
R842
0
R843
270k
TH700
10k
R719
150k
C722
10u10
R713
27k
C841
1u
TH701
10k
R673
220k
R844
330k
C647
100p
R675
100k
C852
1000p
5V AVR
3.3V AVR
5V AVR
5V AVR
3.3V AVR
1.8V AVR
IC607
AF AMP
INVERTER
AF AMP
DEI
AF AMP
DEO
AF AMP
1.8C
3.3D
3.3A
AF AMP
AF AMP
AF AMP
DET
SB
8C
SB
GND
5TONE
DEI
DATA
TXI
RXI
MO
BEEP
5C
MB
RXO
TXO
MIC
RA1
GND
RD1
RXD2
DXD2
AMPSW
IC624-628,630
VOLTAGE REGULATOR
IC625
XC62FP3302P
IC626
XC62FP3302P
IC624
XC62FP1802P
A
OUT
A-IN
A+IN
-V
OUT
-A
IN(-)-A
IN(+)-A
VSS
SDTI
LRCK
MCLK
SCLK
PWAD
PWDA
AOUTL
AOUTR
IC614
AK4550VT
CODEC
IN/OUT
OUT/IN
GND
OUTX
VCC
3
4
IC622
TC7S66FU
IC621
TC7S00FU
MULTIPLEXER
NAND GATE
IC620
ADM202EARN
RS232C
TRANSCEIVER
C1+
V+
C1-
C2+
C2-
V-
T2OUT
R2IN
R2OUT
T2IN
T1IN
R1OUT
R1IN
T1OUT
GND
VCC
A
OUT
A-IN
A+IN
-V
IC605
BU4053BCF
MULTIPLEXER
C
B
A
X0
X1
X
Y
VDD
A
OUT
A-IN
A+IN
-V
IC607
NJM4558E
C657
C670
R681
R679
C663
IC611
NJM4558E
A
OUT
A-IN
A+IN
-V
VIN1
VOUT1
VOUT2
VIN2
VDD
LD
CLK
DI
VIN3
VOUT3
VOUT4
VIN4
RD
RA
VIN5
VOUT5
VOUT6
VIN6
DO
VDAref
RESET
GND
VIN7
VOUT7
VOUT8
VIN8
TA
TD
MO
MB
IC615
M62364FP
D/A CONVERTER
GND
TAI
DATA
5C
TD1
IC628
TA78L05F
IC630
TA78L05F
IC627
TA78L05F
5.06V
5.04V
3.34V
3.32V
1.82V
5.02V
8.00V
TX-RX UNIT (X57-695X-XX) (B/2)