Kenwood TKR-750 Service Manual page 73

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
Component side view (J72-0923-19 B/2)
C806
3
+
I
G
O
IC627
5-TONE
4
+ C826
D600
C785
L601 R836
L604
Q612
5 C613
R603
G
I
O
IC601
6
+
7
8
9
J72-0923-19 B/2
10
Ref. No. Address Ref. No. Address Ref. No. Address
IC601 6A IC628 3G
IC602 7K IC629 4R
IC605 6K IC630 4N
IC607 8O Q607 8L
11
IC623 8K Q608 9L
IC624 4G Q612 5B
IC625 4K Q613 8M
IC627 4A Q614 9M
12
13
14
E F G
+
+ C646
C691
D600 4B
D614 6M
D618 6M
D621 7M
D626 4M
D629 6N
H I J K
CN600
+
L606
L607
3.3D
R654
DEI
1
R653
IC605
TXO 1
8
TXI
RXO 1
AC
IC602
BC1
BC2
8
BC3
BC4
PTI
CLRC
9
RXI
PTO
IC623
NC
16
GND 14
TRST GND NC GND GND GND EMU1
TMS TD1 DVDD TD0 TCK TCK EMU0
1
L M N O
TX-RX UNIT (X57-695X-XX) (B/2) 0-11 : K 0-12 : K2 2-70 : E
Component side view (J72-0923-19 B/2)
C800
CN610
+
SB R781
CN609
8C
I
C817
+
G
O
CP600
SB
IC630
C801 +
CP601
C795
C814
+
DEO
CN603
16
C803
R785
9
CN604
16
D621
9
R841
C649
C657 R674
8
Q613
Q607
CN605
+ C823
1
+
R840 C663
R839
R812
R676
C681 +
C652
Q608
Q614
P Q R
TKR-750
PC BOARD
1
ANI
C789
+
IC629
C798
+
10
C811
+
CN608
RSSI
CN606
C792
R750
+ +
+ +
R669 R671
R672
Component side
Layer 1
Layer 2
Layer 3
Layer 4
Foil side
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14