72
TH-D72A/D72E
SCHEMATIC DIAGRAM
X57-784 (A/3) 7/8
AE
AF
AG
AH
AI
3.3V
3 . 3 V
3 . 3 V
3 . 3 V
3 . 0 V
2 . 4 V
2 . 9 V
PLLLOCK
FLAG
SIN
SCLKT
SCLKR
/RST
PLLCNT
LOOP
S9600
TTX
SQ
KEY_O2
RTC_SCL
RXD1
SAVE2
TXD1
33TNC_S
/RST
CNVSS
E2PSO
E2PCS
E2PCL
E2PSI
E2PCS2
33C
33M
C 9 2 8 470p
R928
12k
C920
0.1u
R929
2.2k
R927
12k
R941
12k
C922
1000p
C938
0.01u
C939
0.1u
2SC4617(R)
Q 7 2 6
2SA1774(R)
Q 7 2 7
C925
3300p
C923
1000p
R940
12k
C921
0.1u
C 9 2 9 0.1u
R914
2.7k
C937
0.1u
I C 7 2 5
TA75S393F-F
1
I N -
2
V E E
3
I N +
4
o U T
5
V C C
C942
0.022u
C946
C941
6800p
R942
15k
C940
0.01u
R926
3.3k
C950
0.022u
C948
6800p
R912
2.7k
C949
0.022u
I C 7 2 8
1
VDD1
2
RESET
3
NC1
4
SRX
5
SCLK
6
VSS1
7
VSS2
8
STX
9
SCLKT
10
FLAG
11
EN
12
VDD2
1 3
V S S 3
1 4
R 9 6 0 0
1 5
I 9 6 0 0
1 6
R 1 2 0 0
1 7
I 1 2 0 0
1 8
V D D 3
1 9
V D D 4
2 0
M O U T
2 1
N C 2
2 2
N C 3
2 3
P L L L O C K
2 4
V S S 4
25
VDD5
26
MCIN
27
NC4
28
NC5
29
T1200
30
VSS5
31
VSS6
32
NC6
33
NC7
34
NC8
35
T9600
36
VDD6
3 7
V S S 7
3 8
WAY2
3 9
S P E E D
4 0
L O O P
4 1
S 9 6 0 0
4 2
V D D 7
4 3
V D D 8
4 4
T X X
4 5
S Q I N
4 6
N C 1 0
4 7
C L K I N
4 8
V S S 8
R 9 1 0
2 . 7 k
R924
12k
C947
1000p
R925
22k
R923
10k
R922
2.7k
R915
10k
C924
3300p
R909
10k
IC730
M95512-RDW6TP
1 S
2 Q
3 W
4 V
S
S
5
D
6
C
7
HoLD
8
VCC
R937
1k
R 9 1 8
4 7 k
R938
1k
R934
1k
R931
1k
R 9 1 9 4 7 k
R 9 3 3
4 7 k
R 9 3 2
4 7 k
C933
1000p
C934
0.1u
C926
10u
10
C927
0.1u
C915
0.1u
C932
0.01u
C917
470p
R902
100
C935
220u
C936
220u
S S M 3 J 0 5 F U - F
Q 7 2 5
C916
470p
IC731
M95M01-RMN6TP
1 S
2 Q
3 W
4 V
S
S
5
D
6
C
7
HoLD
8
VCC
C945
0.1u
R 9 3 5 4 7 k
C944
1000p
R936
1k
L 7 1 1
L 7 1 0
I C 7 2 6
XC6109C28ANN
1 V I N
2 V S S
4
V o U T
3
C D
CN736
C N 7 4 3
C N 7 4 4
C N 7 4 5
C N 7 4 6
C N 7 4 7
C N 7 4 8
C N 7 4 9
C N 7 5 0
C N 7 5 2
C905
0.01u
R832
27k
9600
1200
33TNC
ASIC
1200
9600
EEPROM
I C 7 3 0
VOLTAGE
DETECTOR
EEPROM
I C 7 3 1
SWITCH
COMPARATOR
I C 7 2 5
AMP
AMP
0.1u
33TNC
C L K I N
C L
BSFT2
TNC_RST
33TNC_S
9600 TData
33TNC
1200 TData
BSFT2
BSFT2
BS
SRX
S
TX-RX UNIT (X57-784X-XX) (A/3) : CONTROL SECTION