85
SCHEMATIC DIAGRAM
TM-V71A/V71E
7
6
5
4
3
2
1
J
I
H
G
F
X57-731 (D/6) 2/2
5C
R891
22k
TOIN_B
R935
47k
R879
10k
D956
MINISMDC110F16
CN960
1
SIM2
2
SIM1
3
SIM0
4
VGSREC
5
TCXO_B
6
VCO_A
7
VCO_B
8
TCXO_A
9
VGSPLAY
10
B_PLLUL
11
A_PLLEN
12
A_PLLUL
13
B_PLLEN
14
TR_DT
15
TR_CLK
16
2099_EN
17
DA2_EN
18
VRST
19
VEN
20
VPLY
21
VBSY
22
GND
23
DET_B
24
PR(PNL)
25
DET_A
26
GND
27
SQ_B
28
SM_B
29
TEMP
30
VSF
31
SQ_A
32
SM_A
33
GND
34
PR1(EXT)
35
PKD(EXT)
36
PKS(EXT)
37
SQC(EXT)
38
CTS(PC)
39
RTS(PC)
40
RXD(PC)
41
TXD(PC)
42
IGN
43
ILLM
44
SB_C
45
NC
46
5C
47
NC
48
8C
49
NC
50
S5M
C939
0.1u
C976
1000p
C947
1u
C879
0.1u
C910
1000p
C934
1u
R878
10k
C937
1000p
C885
560p
C982
1000p
R910
10k
R890
10k
R991
100k
R934
47k
Q918
DTC144EE
1
SOUT
2
VDD
3
VB
4
GND
5
IN1
6
IN2
7
IN3
8
IN4
9
IN5
10
IN6
11
IN7
12
IN8
13
OUT8
14
OUT7
15
OUT6
16
OUT5
17
OUT4
18
OUT3
19
OUT2
20
OUT1
21
DIN
22
CLK
23
LATCH
24
PS
C889
680p
C908
1000p
R987
0
R993
10k
R939
47k
C944
1u
C985
1000p
C931
1000p
C972
0.1u
R884
120k
RESET
R888
120k
CP802
RK74HB1J473J
C938
0.1u
1
VoUT
2
SUB
3
NC
4
GND
5
VDD
Q951
DTC144EE
CP921
RK74HB1J473J
CP920
RK74HB1J473J
C891
1u
R927
47k
R875
120k
R930
47k
C935
1000p
C946
1000p
R887
10k
CP926
RK74HB1J102J
D955
EDZ5.1B
C873
1u
C986
0.01u
C882
47p
C948
1000p
C980
1u25
AVREF
C933
1000p
D916
02DZ18F-X,Y
R908
10k
R938
47k
1
INPUT
2
PD
3
oSCo
4
oSCI
5
VSS
6
SD
7
ACK
8
STD
9
EST
10
VDD
*
IC918
1
DTMF/1750
2
TONE
3
AMP_STB
4
BSHIFT
5
NC
6
BYTE
7
NC
8
NC
9
NC
10
RESET
11
XoUT
12
VSS
13
XIN
14
VCC1
15
NMI
16
NC
17
SIS
18
INT
19
XSW_LD
20
PKD96_MUTE
21
EEPCS
22
EEPSO
23
MIC_MUTE2
24
EEPCK
25
EEPSI
26
BEEP
27
RXD(PNL)
28
TXD(PNL)
29
TR_DT
30
TR_CLK
31
NC
32
NC
33
TXD(PC)
34
RXD(PC)
35
PTT
36
PKS(PNL)
37
SQC(PNL)
38
CNT_DT
39
NC
40
CNT_CLK
41
TCXO_B_MUTE
42
TCXO_A_MUTE
43
D
A
1_EN
44
NC
45
MIC_MUTE1
46
SIM6
47
SIM5
48
SIM4
49
SIM3
50
SIM2
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
C875
1000p
C981
0.47u
C983
1000p
CP803
RK74HB1J102J
C978
1000p
C949
0.1u
D957
1SR154-400
R876
120k
R906
3.3k
R946
47k
C877
560p
R944
18k
C884
4700p
CP923
RK75HA1J102J
C979
0.1u
R892
56k
C969
0.01u
R931
0
C907
1000p
C887
1u
L916
5M
R928
82k
R886
10k
C876
1000p
C945
0.1u
C984
1000p
C977
0.1u
R909
10k
C893
0.1u
DTMF
CPH6122
Q953
C950
0.047u
C963
47u16
S5M
C881
1000p
C943
1000p
C941
4700p
C905
1u
C974
1000p
R883
100
CN961
1
2
3
4
R994
1k
8C
C883
22p
1
VoUT
2
SUB
3
NC
4
GND
5
VDD
R992
270k
CP924
RK74HB1J102J
R936
47k
CP925
RK75HA1J102J
IC953
TA7805FQ
3
GND
1
IN
2
oUT
C872
10u10
SCB
IC807
TC7W66FK-F
1
IN_oUT1
2
oUT_IN1
3
CoNT2
4
GND
5
IN_oUT2
6
oUT_IN2
7
CoNT1
8
VCC
R823
1.5k
TOIN_A
R945
15k
R885
390k
C895
1u
C973
22u20
C897
1u
C894
10u10
CP922
RK74HB1J102J
C909
10u10
R942
330k
C932
1u
C896
1u
C898
1u
C936
1000p
Q952
DTC144EE
C899
1u
L951
R986
0
C928
1000p
C926
680p
IC952
BAJ0CC0T
1
VCC
2
GND
3
Vo
U
T
L952
R877
330k
IC805
NJM2112V-ZB
1
AoUT
2
A-IN
3
A+IN
4
V+
5
B+IN
6
B-IN
7
BoUT
8
CoUT
9
C-IN
10
C+IN
11
V-
12
D+IN
13
D-IN
14
DoUT
R943
330k
C900
1u
R889
10k
1
VIN1
2
VoUT1
3
VoUT2
4
VIN2
5
VDD
6
LD
7
CLK
8
DI
9
VIN3
10
VoUT3
11
VoUT4
12
VIN4
13
14
15
16
17
18
19
20
21
22
23
24
R990
1k
C901
1u
C906
1u
R882
560k
CP801
RK74HB1J102J
CB
L917
C970
330u25
C880
0.1u
R932
47k
C971
1u25
R874
10k
C892
1000p
C902
1u
R969
0
R940
820
INT
C878
47p
C903
1u
C904
1u
C874
0.1u
R937
47k
C975
0.1u
X917
L78-0459-05
4.19MHz
PKS(EXT)
SQC(EXT)
VBSY
VPLY
VRST
TEMP
VSF
VEN
CTS(PC)
RTS(PC)
2099_EN
B_PLLEN
A_PLLUL
A_PLLEN
B_PLLUL
DA2_EN
SIM2
SIM3
SIM4
SIM5
SIM6
S5M
S5M
8C
5C
SB_C
ILLM
SM_A
SQ_A
IGN
VSF
TEMP
SM_B
SQ_B
RTS(PC)
RXD(PC)
TXD(PC)
CTS(PC)
SQC(EXT)
PKS(EXT)
PKD(EXT)
PR1(EXT)
DET_A
PR(PNL)
DET_B
VBSY
VPLY
VEN
VRST
DA2_EN
2099_EN
TR_CLK
TR_DT
VCO_A
VCO_B
TCXO_A
VGSREC
SIM0
SIM1
SIM1
SIM0
SIM2
TCXO_B
B_PLLUL
A_PLLEN
B_PLLEN
A_PLLUL
VGSPLAY
INTSP
CB
BATT
SCB
SCB_C
SP
PB
5M
S5M
S5M_C
TCXO_B
5C
TCXO_A
VU_TX
AV
R
E
F
5M
IGN
ILLM
SB_C
PKD_SEL
VU_TX
MIC_D
W
MIC_UP
SQ_B
SQ_A
SM_A
SM_B
T
O
IN_B
T
O
IN_A
SCB_C
S5M_C
BA
TT
DTMFPD
DTMFDT
DTMFCLK
DTMFDET
AF_CAL
5M
AF_MUTE2
AF_MUTE1
AMP_MUTE
5M
DTMF
TO
N
E
AMP_STB
RESET
TCXO_A_MUTE
TCXO_B_MUTE
CNT_DT
XSW_LD
CNT_CLK
V
G
SREC
AF_CAL
DTMF_IN
PR(PNL)_OUT
PRE_EMP_IN
5C
AF_A
AF_B
DTMF
BEEP
AV
R
E
F
PKD12_AMP_OUT
PR(PNL)
V
G
SPLA
Y
ALC_OUT
PR1(EXT)
PKD12_AMP_IN
PKD_SEL_OUT
5C
CNT_CLK
CNT_DT
D
A
1_EN
VCO_B
VCO_A
DTMFDT
DTMFPD
DTMFCLK
DTMFDET
5C
DTMF_IN
CB
5M
INT
CB
T
O
IN_A
T
O
IN_B
AV
R
E
F
5C
DET_B
DET_A
PKD12_AMP_OUT
PKD12_AMP_IN
5M
5M
RESET
SP
AF_1
SP
AF_2
OVER VOLTAGE
DETECT
S5M
SCB
PB
AVREF
TONE AMP_A
TCXO
5M
PKD AMP
VOLTAGE DETECT
TX-RX UNIT
(X57-731X-XX)(A/6)-CN676
CB
GND
GND
INTSP
TONE AMP_B
IC918
3062LFGPUKBWB
X57-731X-XX
3062LFGPUKBWB
0-21
3062LFGPUKBVB
0-11
2-71
10V AVR
5V AVR
4CH OP AMP
2CH ANALOG SW
SW
SW
SW
SW
5.1V
ZENER
DIODE
POLY-SW
REVERSE
CURRENT
PREVENTION
MODAMP_OUT
18V
ZENER
DIODE
IC804
M62364FP-F
ELECTORICAL
VOLUME IC
VIN5
VoUT5
VoUT6
VIN6
D0
VDAREF
RESET
GND
VIN7
VoUT7
VoUT8
VIN8
IC919
BD4840FVE
INT
RESET IC
IC921
LC73881M-E
DTMF DECODER
IC920
BD4840FVE
RESET IC
TX-RX UNIT
(X57-731X-XX) (A/6)-CN677
CB
Q954
DTA123JUA
SW
2SK1824-A
Q817
SW
IC806
BU8241FS
XSW
CROSS POINT
SW IC
SIM1
SIM0
B_PLLUL
A_PLLEN
A_PLLUL
B_PLLEN
2099_EN
DA2_EN
NC
VCC2
NC
VSS2
VRST
VEN
VPLY
VBSY
VSF
TEMP
PKS(EXT)
SQC(EXT)
CTS(PC)
RTS(PC)
NC
NC
SB_C
MPU
PKD_SEL
VU_TX
CM
MIC_D
W
MIC_UP
SQ_B
SQ_A
SM_B
SM_A
T
O
IN_B
T
O
IN_A
SCB_C
S5M_C
BA
TT
DTMFPD
DTMFDT
DTMFCLK
DTMFDET
AV
S
S
AF_CAL
VREF
AV
C
C
AF_MUTE2
AF_MUTE1
AMP_MUTE
M4
K
E
MIC_MUTE1
CNT_DT
CNT_CLK
DA1_EN
TCXO_A_MUTE
TCXO_B_MUTE
13.75V
13.75V
10V
5V
Note : The components marked with a dot (
•
) are parts of layer 1.
TX-RX UNIT (X57-731X-XX) (D/6): CONTROL SECTION