Kenwood TM-D710A Service Manual page 69

P
DISPLAY UNIT (X54-3620-00) (A/4)
COMPARATOR
IC18
TA75S393F-F
5 1 R146
VCC IN-
2 10k
VEE
4 3
oUT IN+
C151
0.1u
C150
470p
MCIN
TNCWR
R1200
R9600
PLLLOCK
MOUT
TNC_5V_1
FLAG
SCLKT
STX
SCLK
SRX
TXX
LOOP
PLLCNT
WAY2
CLKIN
RESET
C102
1000p
1
VCC
2
TNCCTS
HOSTCTS
3
SQ
4
PKSIN PTT(PKSIN)
5
NC
6
NC
7
CONLED CONLED
8
STALED STALED
9
NC
10
FWE(RESOUT)
11
SQ
VSS
12
GPSTX GPSTX
13
TXD(TNC) HOSTTX
14
GPSRX GPSRX
15
HOSTRX
RXD(TNC)
16
NC
17
GPSLED GPSLED
18
ABAUD1
19
ABAUD2
20
ABAUD3
21
TNC_CAR CARRIER(D3(NC))
22
VSS
23
NC
24
NC
R101 25
B_SEL
5V
10k
L13
Note : The components marked with a dot (
Q
SCHEMATIC DIAGRAM
FILTER
3.4V
Q15
2SC4617(R)
C145
R144
R143
12k 12k
0.022u
2.8V
C147
3.5V
0.022u
2.9V
FILTER
R141 R140 R139
Q14
2SA1774(R)
12k 12k 12k
TNC MPU
IC11
3048BTE25KBYB
•
) are parts of layer 1.
R
TM-D710A/D710E
C142
1000p
COMPARATOR
IC17
TA75W393FU-F
1 8
oUTA VCC
R137 2 7
IN-A oUTB
10k 3 6
IN+A IN-B
R138 4 5
VEE IN+B
10k
FILTER
Q12
1.7V
2SC4617(R)
R127 R126 R125
10k 10k 10k
1.2V
C136
0.01u
SW
4.2V
Q11
DTC144EUA
L15
1
2
3
4
75
MD2
74 R105 10k
MD1
73 R104 10k
MD0
72
NC
71
HWR WE
70
RD(OE)
L14
69
NC
68 C104
VCC
67 0.1u
X1
66
X2
65
VSS
64
SLEEP
63
RESET RESET
62
STBY
61
CLKOUT(NC) (CARRIER)
60
MAILLED
59
MBODLED
58
WAIT
57
VSS
56
A19 A19
55
A18(NC) A18
54
A17(NC) A17
53
A16 A16
52
A15 A15
51
A14 A14
PWR
ON:4.8V
OFF:2.8V
D2
D2-4
REVERSE
1SS388F
CURRENT
PREVENTION
D3
2.8V
1SS388F
W09-0971-05
S
FILTER
1.6V
Q13
2SC4617(R)
R130 R129
R133
39k 82k
4.7k
1.1V
C138
C140
0.1u 1000p
C134
1000p
OP AMP
IC10
TA75W01FUF
1 8
oUT1 VCC
2 7
IN1- oUT-B
3 6
IN1+ IN2-
4 5
VEE IN2+
1200bps
9600bps
FLIP FLOP
IC16
TC7W74FU-F
8
CK VCC
7
D PR
6
Q CLR
5
GND Q
VOLTAGE DETECTION
IC14
BD4840FVE
R103 1
VoUT VDD
0 2
SUB
X3
R102 3
NC GND
0
15.9744MHz
IC15
TC7S00FU-F
1
INB VCC
2
INA
L18
3
GND oUTX
C7
10u16 INPUT NAND GATE
C124
0.1u
S-RAM
IC13
R1LP0408CSB5S
1 32
A18 A18 VCC A19
2 31
A16 A16 A15 A15
3 30
A14 A14 A17 A17
4 29
A12 A12 WE WE
5 28
A7 A7 A13 A13
6 27
A6 A6 A8 A8
7 26
A5 A5 A9 A9
8 25
A4 A4 A11 A11
9 24
A3 A3 oE
10 23
A2 A2 A10 A10
11 22
A1 A1 CS
12 21
A0 A0 I/o7 D7
13 20
D0 I/o0 I/o6 D6
14 19
D1 I/o1 I/o5 D5
15 18
D2 I/o2 I/o4 D4
16 17
VSS I/o3 D3
X54-362 (A/4) 4/4
T
1
TNC_5V
2
3
4
5
4
5
5
4
6
7
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