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89
SCHEMATIC DIAGRAM
TK-5210
(
G
)
X53-439 6/6, X57-765 (B/4) 1/1
AD
AC
AB
AA
Z
LCDCNT
IC13
AUDIO AMP
2/2 NC MIC AMP)
(1/2 AUDIO PRE-AMP,
C103 4700p
R128
22k
R130
C92
VSS
R135
1.8k
MIC SWITCH
ECHO CANCEL
0.1u
C71
C90
270k
0.1u
C87
150k
R127
0.1u
22k
R120
R110
22k
150k
R126
22k
R109
270k
4
3
2
R131
7
5
6
AK2925T
IC13
100p
C86
R118
1
47
R82
R125
47
1u
C93
VDD
8
MICE
C70
33C
AF
MICmain
0.1u
0
R285
C157
MICE
100p
3
2
1
4
NC MIC
100
DSR
70
8.2k
R291
A
VRM1005C270M
3
A
VRM1005C270M
EMD12
C102
0.1u
C141
1000p
C95
L21
470p
C97
470p
C98
D27
470p
6
5
4
INT MIC
0.1u
47k
R129
Q6
470
R187
27k
0.47u
47k
47k
R133
D22
1.8k
R136
2
1
CN34
INT SP
CTS0
R284
TXD2
100
/OINT
36MC
R281
100
R273
/PTT
100
RXD2
100
GND
GND
/OINT
100
99
97
/PTT
RXD2
36MC
TXD2
100
100
R282
R283
95
96
93
98
RXD0
R279
R277
100
PFKEY
TXD0
100
RXD1
R275
RTS0
100
/UDET
RXD1
TXD0
PFKEY
CTS0
R278
100
100
R280
92
91
89
94
/UDET
RTS0
RXD0
R274
100
R276
87
85
88
90
470p
ABSORPTION
C94
22k
R134
0.47u
C96
R132
L20
SURGE
D22,27
C100
470p
C99
33M
SPuniv-
SCTAMI
SPuniv-
SCTAMI
SPuniv-
84
83
81
86
15M
+B
15M
+B
15M
80
79
77
82
100
33C
DSR
100
R271
BATT
33M
+B
+B
+B
33M
33M
75
76
73
78
5M
33A
5M
BATT
33A
33A
72
71
69
74
C107 4700p
C108 4700p
C109 4700p
C1
10 4700p
C1
1
1
4700p
R160 470
R163 470
R167
C104 4700p
C105 4700p
C106 4700p
R260
100
BCLKR2
54
TGL0
CH_D
L23
CH_A
CH_B
CH_C
L22
Vo
L
TGL1
TGL2
100
GND
62
R234
100
R266
100
R270
100
R272
100
R265
100
5UC
/SAVE
R268
S_DET
R269
5TC
5RC
/SAVE
66
SBC
5UC
S_DET
67
65
68
5RC
GND
5TC
63
61
64
R264
R267
IFDET
100
BFSX2
100
BCLKR2
BDR2
100
BCLKX2
R262
BDX2
100
BFSX2
58
GND
GND
IFDET
57
59
60
R261
100
R263
BCLKX2
BDR2
BDX2
55
53
56
CH_D
CH_B
CH_C
9
8
7
6
5
10
11
12
13
BLED
TXLED
19
18
14
15
16
17
CN35
20
CN903
GND
CH_A
CH_B
CH_D
31BU
S31BUS
33M
TGL0
CH_C
KIN
BLED
TXLED
ORG
Vo
L
TGL2
TGL1
GND
46
R253
SDO0
R257
INT3
100
BER_EN
100
R233
PSRPLL
HD5
SDO0
100
SCK0
100
HD7
BFSR2
R255
100
INT3
50
100
R258
R259
PSRPLL
BER_EN
HD5
49
51
52
100
100
R254
R256
SCK0
BFSR2
HD7
47
45
48
C155 1000p
/EVCS
R249
100
PCS_RF
PLD
100
R251
PCS_Pot
DACRST
100
R245
APCSW
VCOSW2
100
R247
CV
100
R250
100
R252
PLD
DACRST
PCS_RF
PCS_Pot
42
43
41
44
R246
100
R248
CV
VCOSW2
APCSW
/EVCS
37
38
39
40
DC SWITCH
470k
R165
+B
R161
10k
(36MC)
PREVENTION
10k
R168
1SS301F
D23
CURRENT
REVERSE
Q12
EMD12
XC61CC5602NR
NC
VSS
3
4
IC16
470p
C1
15
VIN
V
oUT
2
R178
BATT INT
0
1
VOLTAGE
(/BINT)
DETECTOR
I2CSDA
S36M
36M
Vo
L
CH_A
TGL2
33M
TGL1
GND
CH_D
CH_C
CH_B
CH_A
CH_D
36M
S36M
CH_C
CH_B
1
2
3
5
6
7
8
9
4
TGL2
Vo
L
TGL1
16
11
12
13
14
15
10
17
TGL1
S901
36M
Vo
L
CH_A
TGL2
S36M
LED
TX/RX
D901
B30-2019-05
S902
CH_B
CH_D
CH_C
VOX
VADAC
100
AMT
100
R243
STSW
VCOSW1
100
W_/N
R240
100
TONE
BEEP
R230
R242
100
100
R244
STSW
AMT
VCOSW
LCDCNT
35
34
33
36
R239
100
R241
100
TONE
BEEP
W_/N
VADAC
29
31
30
32
/SCSW
100
ASQDET
R225
100
TONESW
MM
R227
R235
100
THP
RSSI
R237
R238
100
R226
100
MM
TONESW
ASQDET
VOX
25
27
26
28
R236
100
RSSI
GND
THP
/SCSW
23
22
21
24
TGL1
CN902
1
2
4
6
5
8
7
3
TGL2
CH_A
11
12
10
C9
CH_B
CH_C
CH_D
CH_B
CH_A
CH_D
CH_C
TGL2
TGL1
MOD
ASSIST
100
R221
AFC
AUD_VREFC
100
R232
GND
GND
ASSIST
CGND
17
19
18
20
AFC
GND
AUD_VREFC
MOD
13
15
14
16
MICmain
RXAF
47p
C156
MIC
MICE
100
AF
L27
MICE
MIC
MICmain
33C
9
11
10
12
GND
GND
RXAF
AF
6
5
8
7
CHANNEL
SELECTOR
POWER SW/AF VOL
SW
CONCENTRIC
R220
I2CCK
100
R219
GND
GND
I2CSDA
I2CCK
1
2
4
3
ECSW
TP1
33C
5M
TP8
+B
TP10
TP7
SBC
TP13
36MC
TP3
DACRST
TP6
5RC
ORG
R287
33k
0.1u
C1
12
39k
R288
R152
1k
R148
0
+B
36M
S36M
SP+
SP-
BLED
TXLED
10k
SCTAMI
for ADJUSTMENT
SBC
D23
CN40
R231
100
(MAIN)
TX-RX UNIT
:
TX-RX SECTION
(X57-7650-10) (A/4)-CN707
(X57-7650-10) (B/4)
TOP SECTION
TX-RX UNIT :
TOP SW SECTION
7
6
6
6
6
7
7
7
7
8
8
8
8
8
13
13
13
13
14
14
14
14
14
14
15
15
CONTROL UNIT (X53-4390-XX)