Kenwood TK-5210G Service Manual page 89

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