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A B C D E F G H I J
1 TH-K4AT/K4E PC BOARD
TX-RX UNIT (X57-675X-XX) (A/3) 0-21 : M2 2-71 : E
Component side view (J72-0884-19 A/3)
2
2 KIN4
6 GND
C24 R19
CP1
KYO1
C20
C34
Q6
C22
+
L53
D71
D61
D60
D69
D72
C21
C33 CN6
KYO2
R20
3 +
PTT 1
R24 R18 D62
BL 5
D70
R31
L67
13 KYO2
C43
LV R30 + 1 16
1 KIN1
C29
D63
KYO3
KIN4
LAMP
KYO0
KYO1
Q4
C30
C318
R255
+ D64
C25
D7
IC1
3 4
1 6
R252
C1
Q51
C38
C35
CN9 D65
C26 C37
4 + C27
GND
KIN2
KIN0
KIN3 14
8 9
MIG
R21
8M
IM 2
R231 SET
C42
R32
C46
C45
C44
D16
R36
C40
C371
C370
R35
C372
C41 +
5 R34
CP2
Q15 S
MAX DEV
C50
C66 +
R147
VR5
C128
C51
C193
G Q12 D
B
R33
L64
C52
R144
R58
R132
C126 C70 R143 S
C57
C328
C271 S
R137 D Q27
6 R131 VR6 G
C78
TH3 C86
BTEMP
Q23 DCS BAL R151 R152
R148
R330
C196 R153
X1
R142
R154
XF1
C200
C189 C188 TH1
R146
C272 VR1
R145 R141
C512
7 L46 Q13 FREQ
C54 C56
R86
C197
S
C198
C107
GND
C187
C55 R38 D TH2
L45 C114 G
R37
R139
R140
D14 C195 +
C118
C186 R90 C125
R79
C113
R83
R188
C192
R189
C105
R78
R351
C191
R82
R84
R74
8 5 4
L58
C111
R133
C109
Q24
R134
IC2
R77
C112
8 1
R81
C166 D15
R70
R71
C190 R72
C117 C108
R80
1 16 C213 +
F3
F1
C356
C110
R76
R75
C183
3 4
1 6
R85
Q14
Q34 R166 R165 C351
R127 C116 +
9 IC3 C182 G
D R212 C106 C331
S D31
C180
R128
C176 C115 1 8
R211
R323
R213
8 9 R116 C168 IC17
R171
C194
R115
R118 4 5
C169
C511
R218
R135 C174 R1
R272
R126
R124
C172
R119
D81
R332
R210
G
S
C170
Q20
D
Q36
R122
C173 J2
Q21
Q35 R214
C211
C339
R167
10 R117 DC IN C212
D
C175 Q22
R125
C167
D
R215
G
S
R120
C349
R159
C203
G
S
R123
R216 R324 R168
R158
R157
C171
C204 R172
11
Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address
IC1 4D IC17 9I Q21 10D Q36 10E Q56 7L D31 9F D64 4H
12 IC2 8F Q4 4C Q22 10D Q37 8L Q57 8Q D34 7L D65 4H
IC3 9B Q6 3E Q23 6B Q38 7K D7 4B D40 7S D69 3G
IC6 6M Q12 5J Q24 8D Q41 9Q D14 8E D41 7S D70 3H
IC9 9P Q13 7F Q27 6H Q47 7S D15 9D D60 3H D71 3H
IC10 6P Q14 9E Q31 6L Q51 4H D16 4D D61 3H D72 3G
13
IC11 6Q Q15 5E Q34 9F Q53 9Q D25 6K D62 3H D81 10G
IC15 7P Q20 10E Q35 10F Q55 5P D26 7L D63 3H
44
14
J K L M N O P Q R S
PC BOARD TH-K4AT/K4E 1
TX-RX UNIT (X57-675X-XX) (A/3) 0-21 : M2 2-71 : E
Component side view (J72-0884-19 A/3)
2
2 KIN4
6 GND
KYO1
C312
C313
CN6
C310 POWER
KYO2
3
PTT 1
BL 5
R246 R248 1 COM0
COM1
LCD
COM2
C318
R252 COM3
SEG0
SEG1
ANT
4
R335
SEG2
SEG3
C258
C257