Kenwood TM-D710A Service Manual page 79

F
TX-RX UNIT (X57-731X-XX) (D/6): CONTROL SECTION
5M
DTMF
1
2
3
4
BSHIFT
5
NC
R930 6
BYTE
47k 7
NC
8
NC
9
NC
10
RESET
11
XoUT
12
VSS
13
XIN
14
VCC1
15
R932
NMI
47k 16
NC
17
SIS
18
INT
19
XSW_LD
20
PKD96_MUTE
21
EEPCS
22
EEPSO
23
MIC_MUTE2
24
EEPCK
25
EEPSI
ELECTORICAL
VOLUME IC
IC804
M62364FP-F
1 24
VIN1 VIN8
2 23
VoUT1 VoUT8
3 22
VoUT2 VoUT7
4 21
VIN2 VIN7
5 20
VDD GND
6 19
LD RESET
7 18
CLK VDAREF
8 17
DI D0
9 16
MODAMP_OUT
VIN3 VIN6
10 15
VoUT3 VoUT6
11 14
VoUT4 VoUT5
12 13
VIN4 VIN5
C874 0.1u
C875 1000p
TCXO
AVREF
4CH OP AMP
IC805
NJM2112V-ZB
1
AoUT DoUT
2
A-IN D-IN
3
A+IN D+IN
4
V+
5
B+IN C+IN
C873
R875 R876 6
B-IN C-IN
120k 120k 7
1u
BoUT CoUT
R877
C880 0.1u
330k
C881 1000p
TONE AMP_B
Note : The components marked with a dot (
G
SCHEMATIC DIAGRAM
DTMF/1750
TONE
AMP_STB
MPU
IC918
*
XSW
CROSS POINT
SW IC
IC806
BU8241FS
1
SOUT PS
2
VDD LATCH
C894 3
VB CLK
10u10 4
GND DIN
C895 1u 5
IN1 OUT1
C896 1u 6
IN2 OUT2
C897 1u 7
IN3 OUT3
C898 1u 8
IN4 OUT4
CP802
C899 1u 9
IN5 OUT5
C900 1u 10
IN6 OUT6
C901 1u 11
IN7 OUT7
RK74HB1J473J C902 1u 12
IN8 OUT8
PKD AMP
INT
AVREF R883
18V
100
ZENER
DIODE
Q918
C891
R882 R889 DTC144EE
SW
560k 10k 1u
OVER VOLTAGE
DETECT
14
13 R887
12 10k
11
V-
RESET
10
C887
9 R884 R888
8 120k 120k
1u
R885
390k
TONE AMP_A
•
) are parts of layer 1.
H
TM-D710A/D710E
L917
TOIN_A
TOIN_B
75
SB_C
R938
74
NC
R939
73
NC
CP922
72
RTS(PC)
71
CTS(PC)
70
SQC(EXT)
69 RK74HB1J102J
PKS(EXT)
CP923
68
TEMP
67
VSF
66 RK75HA1J102J
VBSY
65
CP924
VPLY
64
VEN
63
VRST
62 C934
VSS2 RK74HB1J102J
61 1u
NC
60
VCC2
C933
59
NC
58
1000p
DA2_EN
57
2099_EN
56
B_PLLEN
55
A_PLLUL
54
A_PLLEN
53
B_PLLUL
52
SIM0
51
SIM1
R946 47k
CP925
TCXO_A_MUTE
TCXO_B_MUTE
RK75HA1J102J
R909
10k
R908
10k
2CH ANALOG SW
IC807
TC7W66FK-F
1
IN_oUT1
VCC
2
oUT_IN1
CoNT1
3 CoNT2
oUT_IN2
4
GND
IN_oUT2
24
23
22
21
20
19
18 Q817
2SK1824-A
17
SW
16 C903 1u
15 C904 1u
14 C905 1u
13 C906 1u
INT
RESET IC
IC919
BD4840FVE
1 5
VoUT VDD
2
SUB
3 4
NC GND
DTMF DECODER
IC921
LC73881M-E
1
INPUT VDD
2
PD EST
3
RESET oSCo STD
4
5M oSCI ACK
5
RESET IC VSS SD
IC920
BD4840FVE
C945 0.1u
1 5
C946 1000p
VoUT VDD 5M
2
SUB
3 4
X917
NC GND
L78-0459-05
4.19MHz
I
CN960
S5M
50
S5M
49
8C
48
L951
8C
47
5C
L952 46
5C
45
44
SB_C
43
ILLM
42
IGN
41
TXD(PC)
40
RXD(PC)
39
RTS(PC)
38
CTS(PC)
37
SQC(EXT)
S5M 36
PKS(EXT)
47k
35
PKD(EXT)
47k
34
PR1(EXT)
33
RTS(PC)
32
CTS(PC) SM_A
31
SQC(EXT) SQ_A
30
PKS(EXT) VSF
29
TEMP TEMP
28
VSF SM_B
27
VBSY SQ_B
26
VPLY
25
VEN DET_A
24
VRST PR(PNL)
23
DET_B
22
21
VBSY
20
VPLY
19
DA2_EN VEN
18
2099_EN VRST
17
B_PLLEN DA2_EN
16
A_PLLUL 2099_EN
15
A_PLLEN TR_CLK
14
B_PLLUL TR_DT
13
SIM0 B_PLLEN
12
SIM1 A_PLLUL
11
A_PLLEN
10
B_PLLUL
9
VGSPLAY
8
TCXO_A
SIM2
7
VCO_B
SIM3
6
VCO_A
SIM4
5
TCXO_B
SIM5
4
VGSREC
SIM6
3
SIM0
MIC_MUTE1
2
SIM1
1
SIM2
DA1_EN
CN961
CNT_CLK
1
CNT_DT INTSP
2
3
4
CB
CB
CB
VOLTAGE DETECT
R992
BATT
270k
5.1V
ZENER
DIODE
13.75V
SCB SW SCB
Q953
CPH6122 R969
SCB
8 0
7
6
5
SW PB
13.75V
Q951
SCB_C
DTC144EE
C978
10V AVR
1000p
IC952
BAJ0CC0T
10V
R987
PB
0
5M
5V AVR
IC953
TA7805FQ
5V
R986
2
5M oUT IN
0
GND
3
SW S5M
Q954
DTA123JUA
S5M
10
9
SW
8
Q952
S5M_C
DTC144EE
7
6
X57-731X-XX IC918
0-11 K 3062LFGPUKBVE
2-71 E 3062LFGPUKBWE
0-21 M4 3062LFGPUKBWE
X57-731 (D/6) 2/2
J
1
S5M
NC
8C
NC
5C
NC
SB_C
ILLM
IGN
TXD(PC)
RXD(PC)
RTS(PC)
CTS(PC)
SQC(EXT)
PKS(EXT)
PKD(EXT)
PR1(EXT)
2
GND
SM_A
SQ_A
VSF
TEMP
SM_B
SQ_B
GND
DET_A
PR(PNL)
DET_B
GND
VBSY
VPLY
VEN
VRST
DA2_EN
2099_EN
TR_CLK
TR_DT
3
B_PLLEN
A_PLLUL
A_PLLEN
B_PLLUL
VGSPLAY
TCXO_A
VCO_B
VCO_A
TCXO_B
VGSREC
SIM0
SIM1
SIM2
CB
GND
GND
4
INTSP
SP
5
POLY-SW
D956
MINISMDC110F16
REVERSE
CURRENT
PREVENTION
1
6
7
79