Kenwood TH-D72A Service Manual page 91

A B C D
TH-D72A/D72E
1
TX-RX UNIT (X57-784X-XX) (C/3): TX-RX section
2
0-11: K, 2-71: E Component side view (J79-0278-19 C/3)
CN615
VDD
X611
3
CN612 CN616
RST OUT
VSS
C620
C619
CP13
C618
R621
CN613
FLMDO
4
48 37
1 36
CN617
TXD6
5
12 25
13 24
CN618
RXD6
CN634
OCD1B
CP4 CP6
CP8 CP10
CP7
CN614
S
6 Q615
OCD1A
D
4 3
G
Q614
6 1
1 6
C623
Q613
4 3
R631 3 4
Q611
C625
6 1
1 6
7
Q612
C621 R633
3 4
G Q616
D645
D
S
R647
C650 C638
8
8 5
IC642
1 4
C636
R687
C666
CN636 C635
9
R580
CHG
4 3
IC643 Q648
6 1
R659
C657
10
R638
11
Ref. No. Address Ref. No. Address Ref. No. Address
IC201 6J Q3 4M
IC203 6K Q4 8O
IC431 4I Q5 5O
12
IC513 7I Q6 3O
IC611 5C Q7 6P
IC641 7E Q8 8P
IC642 8C Q9 5Q
IC643 9B Q10 4Q
13
IC645 9E Q11 8R
Q1 6O Q12 4Q
Q2 7O Q13 9R
14
E F G
PC BOARD
J79-0278-19 C/3
C617 C615
R613 R615 C612
CN611
CN621 CN622 CN623
CN620
TXD_S REF_A
C_S RXD_S D432
D433
R446
C673 F642
CP12
C435
+ C676 R447
C C
Q657
Q655
L431
R667
C C D D
D D
B E C627
C498
G S
C693
R436
C663
G
S
R674
C628
D D
D D
R677
Q654
F643
CN643
GND
C681
C231
R680 C698
C655
Q646
C237
X511
4 3
Q662 R235
6 1
C241
R524
R688
L511
D646
C533
C527 C557 C531
C675
C242
1 6 C C
R237
Q656
Q652
C C
3 4
B E
C691
R675 R672 C246
R623
1 6
R242
C668 C672
C251
IC645
C660
3 4
R681
C669
C682 +
R651
J641
DC-IN
C679
Ref. No. Address Ref. No. Address Ref. No. Address
Q14 3Q Q434 4J Q646 7E Q662
Q15 6R Q512 10I Q648 9D Q664
Q16 9Q Q521 8J Q652 8E D8
Q205 6K Q611 7C Q653 10C D9
Q207 7J Q612 7B Q654 6F D10
Q208 7F Q613 7B Q655 5E D11
Q209 8F Q614 6C Q656 8E D12
Q210 8G Q615 6B Q657 5F D13
Q211 9F Q616 7C Q658 10E D14
Q212 7L Q643 8D Q659 6E D15
Q215 6M Q644 10I Q660 10K D16
H I J K
R439
R619
R620
CP14
R440
C462
R444
R452
+
R441 16 9
Q434
IC431
+
C448
1 8
R445
C438 C440 C442
+
+
C437
+ C439 C280
R437
R221
R432
CN431 C219
CV_A
C229
C227
D209
R229
4 3
R224
IC203
R537
5 1
CP1
R529
Q207
+
C544 R243
C249
16 9
C550 +
IC513
R568 C574
CD352
C553 +
1 8
R560
+
C547 C566
C542 C545
R565
C567
+
C541
C536
C549
R539
CF351
C532
CN511
+
C534
CV_B
C595
S C556
Q644
D
G
Ref. No. Address Ref. No. Address Ref. No. Address
7E D17 4N D28 5P D41
3D D18 3N D29 6P D42
5N D19 3N D30 4P D43
5N D20 4N D31 4P D44
4N D21 4N D32 7Q D45
4N D22 3N D33 7Q D209
7O D23 3N D35 8Q D210
7O D24 7P D36 8Q D225
9O D25 7O D38 5P D226
9O D26 9P D39 4Q D432
5N D27 9O D40 6Q D433
L M N O
PC BOARD
TX-RX UNIT (X57-784X-XX) (C/3): TX-RX section
0-11: K, 2-71: E Component side view (J79-0278-19 C/3)
D23
C3 C67
D22
R13 R51 C101
D19
R14
CD351
C4
D18
R393
CN356
LO2_A
C400 D11
C392
D10
C37
R127
R27 D21
C98
C59
CF352 D20 R62
D17
R37
C99
R29
D16
R28
R42
D9
+ C253
D8
+
C261
C55
C28
R21
S
R33
R263
R26
C256
G D
R25
C259
D210
C21 C33
S
R22
4 3
R255 TH201
Q212
R39
C331
6 1
C46
R31
R30
R45
C44
R10
R24
C1
C396 R41
C41 C58
R392
R35
C397
R34
R11
C2
C389
Ref. No. Address
4Q D513 10J
7R D514 6H
7Q D515 6H
8R D516 9J
8Q D517 9J
6K D645 7B
7L D646 8E
5K D648 6D
5K
4H
4H
P Q R
TH-D72A/D72E
C170
C100
C80 C117
R73
C147
C107 C120
C148
R113
D31 D41 C159
C115
C83
C104 R85 C130 R91 L77
C85 C116
R126
C132
R71
C145
C152
C105 R111 C166
C146
C153
C160
C171
R57
C126
C90
R133
C81
C114
R94
R130 D29 D40
C131
R84 C127 R90
G Q15
C102 D
S
C78 C119
R86 R92 R109
L30
R59
R82
C151 R116
L51
R117
C88
C108 C150
C68 R52 L54
R75
C79
C109 C118
C112
L32 C137
R89 R97
C142
R99
R66 C136
R60
R83
C93 C97 C155 C158
R69 L53
Q16
C154
R47 R55
G
L58
D
S
C141
C69
C144
C167
R101
L80
C149
C168
R123
C165 L79
Component side
Layer 1
Layer 2
Layer 3
Layer 4
Layer 5
Layer 6
Foil side
S
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