Kenwood TKR-750 Service Manual page 76

A B C D
TKR-750
PC BOARD
1
TX-RX UNIT (X57-695X-XX) (B/2) 0-11 : K 0-12 : K2 2-70 : E
2
Foil side view (J72-0923-19 B/2)
3
C784
C787
R754
Q606
4
Q611
+
R745 C764
5
Q605
R747
4 3
IC621
5 1
D623
6
R775
R776
R783 R787 R791 R810 R808
R778
D620 R780
R777
7
R773
R795 R799
+
+ + +
8
C729 +
C763
C821
9
C761
10
Ref. No. Address Ref. No. Address Ref. No. Address
IC600 4O IC612 8J IC620
IC603 9N IC613 8J IC621
IC604 6Q IC614 8H IC622
IC606 4M IC615 8F IC626
11
IC608 6G IC616 9H IC631
IC609 9Q IC617 8D IC632
IC610 6H IC618 7L
IC611 9F IC619 6F
12
13
14
E F G
CN602
R762 C783
D627
Q609
C791 R811
R767
C815 R802
R844
R668
R673
+ C643
C647
C746 +
4 3
5 1
IC608
R670
1 8
4 5
R806 IC619
C736
+
+ +
+ +
C703
1 24
C706 +
1
IC614
C715
+
IC615 C700
C705
R715 C723 8
C704
R709
R708
12 13
R714
R842
R707
5 4 1
IC611 IC616
+ +
R718
8 1 4
R713
R710 C724
R719
C692
R679
+ C722
R843
Ref. No. Address Ref. No. Address Ref. No. Address
8B Q602 3J Q615 6I D615
5C Q603 4K D606 7C D616
5C Q604 8L D607 7C D619
7H Q605 5C D608 6C D620
3N Q606 4C D609 7D D622
3M Q609 4E D610 6B D623
Q600 4Q Q610 3E D611 6E D627
Q601 3K Q611 4D D612 6B D628
H I J K
Q601
Q602
S
D
G
Q603
C717
C718
C713 +
C684
R683
36
4 3
R691
37
R692
5 1
IC610 R697
R680
+ R813
C782
C639
C707
+
IC626 C695
G
+
R689 C708
I
+
R694 C696
O
R690 C768 R696
R698
16
C709
+
C711 72
1 5
73
3 4
9
IC612
+ C714 +
C728
C719
8
R712
C716
5
EMU1 GND GND GND NC GND
EMU0 TCK TCK TD0 DVDD TD1
6D
7B
6C
7A
7B
6A
4G
4D
L M N O
TX-RX UNIT (X57-695X-XX) (B/2) 0-11 : K 0-12 : K2 2-70 : E
IC632
5 4
R832 C836
IC631
R831 R828
8 1 5 4
R818
C838 C837
R819
8 1
R826
+
C842
C833
R616 5
R606
IC600
13 12
8
C731 C741
C616
IC606
C732 C742
R640
+
C733
+
24 1 R837
R642
R627
C843
L603
R644 R635
C749
1
144
C750 R614
R630
+
C754
R631
C747 R622
R639
R637
C759
R641
+
C757
R643
IC618
R647
R645
R648
R646
+
C753
R649
R667
R650
C752
R651
R662
C748
R665
+
C756
109
C755 R688
108
C751 R687
R730 C824
C727 Q604
13 12
G
R731 D
S
C735
IC603
C734
TRST
R733 24 1
C844
TMS
P Q R S
TKR-750
PC BOARD
Foil side view (J72-0923-19 B/2)
4
X600
1
C635 C634 C629
R817
D S
R629
G
Q600
R600 R602
R618
C614
R638
25 1
C641
100
26
+ C640
IC604
50 76
51 75 R661
CP614
R660
CP619 CP617 CP615 R659
R656
CP613
CP618 CP616
1 32
IC609
16 17
J72-0923-19 B/2
Component side
Layer 1
Layer 2
Layer 3
Layer 4
Foil side
1
2
3
4
5
6
7
8
9
10
11
12
13
14