Kenwood TKR-750 Service Manual page 61

A B C D
TKR-750
PC BOARD VIEW
1
2
TX-RX UNIT (X57-6260-XX) (B/2) -10 : K,E -11 : K2 Component side view + Foil side
C806
+
3
IC627
I
G
O
X600
+
C826
4
C629 C634 C635
C785 S R629
Q600
D
G
D600
L601
R618 R602 R600
L604
C614
C613
R638
5 R603
1
C641
100
GND C640 +
VDD
OUT
IC601
IC604
6
76
R661 75
+
7
CP614
R660
CP615 CP617
R659
R656
CP613
CP616 CP618
8
32
IC609
9 17
Ref No. Address Ref No. Address Ref No. Address
10
IC600 4E IC607 8P IC614
IC601 5B IC608 5M IC615
IC602 7L IC609 9D IC616
IC603 9G IC610 5L IC617
IC604 6D IC611 9O IC618
11
IC605 6L IC612 7K IC619
IC606 4G IC613 8K IC620
12
13
75
14
E F G H
4 5 R616
+ L606
R606
IC600
12 13
1 8
C741 C731
C616
IC606
C742 C732
R640
R627
R642
R628
C733
+
1 24
L603
R635
R644
25
26
R614
C749 1
144
R630 C750
R631
C754 +
R636
R639
C747
R637
R641
C759
R647 R643
C757 +
R648
R645
R649 R646
C753 +
50
51 R650 R667
C752
R651
R662
C748
R665
C756 +
CP619
109
C755
R688
108
R687 C751
C824 R730
1 12 13 Q604
IC603
+
C646
C734
C691
1 24
16 R733
Ref No. Address Ref No. Address Ref No. Address
7M IC621 5R IC628 3G Q604
7O IC622 4R IC629 4S Q605
9M IC623 8L IC630 4N Q606
8P IC624 3G Q600 4C Q609
6H IC625 3K Q601 3J Q610
6O IC626 6M Q602 3J Q611
8S IC627 3B Q603 4I D600
I J K L
Q601
Q602
S
G D
+
L607
Q603
3.3D
C717
C718
+
+ C713
C684
R654
R683
DEI
36
3 4
IC610
R691
37
R692
1
1 16
R697
R813 +
R653
IC605
C782
C707 R695
+
1
D601
C695
IC618
TXI
+ 8
C708 R689
TXO +
C696 R694
1 16
RXI
AC
R696
BC1
R698
IC602
BC2
+ C709
8 9
IC612
BC3
72 C711
5 1
BC4
73
4 3 PTI
CLRC
9 8
RXO
PTO IC623
C727
+
C714
5C
R731
S 16 1
GND
D
G
C719 R712
14
C735
C716
Ref No. Address Ref No. Address Ref No. Address
8H D601 6K D612 6S D619 6Q
5R D606 7R D613 8R D620 6S
4R D607 7Q D614 6M D621 7M
4P D608 6R D615 6Q D622 7R
3P D609 7Q D616 7S D623 6S
4Q D610 6R D617 8R D624 7M
4B D611 6P D618 6N D625 7N
76
M N O P
CN602
C800
+
R781
8C
IC630
C817
I
+
G
O
C783 R762
D627
SB Q609
R811 C801 + C791
R767
C795
R802 C815
C814
+
R668 C647
DEO
+ R673
C643
CN603
+ C746
3 4
IC608
D614 D618
5 1 5
R680
R670
C803
8 1
R785
5 4
IC619
C639 C736
+ +
IC626
+ + + +
G
9
I
CN604
O
C703
C768 D621
R690
24 1
+
16 1
C706
C702 +
C715
IC614
+ IC615
C649
C700
D624
C705
C723
9 8 R796
C657 R674
R756 R770
C704
R709
+
R708 13 12 C823
CN605
+ C680 +
C728 R707
R714
8 1 5
4 C663 +
IC616
R755 R769 IC611
R812
+ +
R718
4
5 1 8
R676 R669
C724 R710
+
C681 C692
C652 R672
R679
C722
Ref No. Address
D626 4N
D627 4M
D628 4Q
D629 6O
Q R S
1
ANI
C784
C787
C789
+
R754
Q606 IC629
Q611
+
C798
+
C764 R745
Q605
R747 10
C811
3 4
IC621
+
1 5
D623
D610 D612
R775
R776
R806 R808
R810 R791 R783 D620
R 787
R780 R778
R777
R773
R799 R795
D617
C792
+ + + +
R750
R715
+ + D613
+ C729
+ +
R713 C763
R671 R719
C761
+ C821
J72-0757-01 B/2
Component side
Pattern 1
Pattern 2
Pattern 3
Pattern 4
Foil side
Connect 1 and 4