Tx-Rx Unit (X57-6270-Xx) (A/2) - Kenwood TKR-850 Service Manual

A B C D
TX-RX UNIT (X57-6270-XX) (A/2) -10 : K,E -11 : K2 -12 : K3 Component side view
J72-0758-11 A/2
L2
CN18
CN15
1 20
C64
IC9
10 11
CF1 CF2
R62
WIDE NARROW
R63
C74
L24
PSW
K1
8CR
IC4
O
SB
G
I
Ref No. Address Ref No. Address Ref No. Address
IC4 11A IC10 11I Q17 10J
IC5 10I Q4 10E Q26 8E
IC9 7D Q16 10K D1 7I
E F G
L4
CN4
R45
C60
C51
NARROW
R54
XF1
C66
D2
R60
XF2
C48
WIDE
R44
SRR STT
+
TX
CK
F1
MO
Ref No. Address
D2 7E
H I J K
L5
CN1
CN2
R32
C14
R30
C15
R41
C37
A1
D1
A9
R11
R13
A10
FCR
CN3
FCT
SOE 5CR
LD2
STB4
DT 9V
+
+
R129
G
IC10
I
O
+
67
L M N O
PC BOARD VIEW
CN16
+
GND1
TP102
STT
TX CV
8CL
A2 : TX VCO (X58-481)
CV
C137
9CL
+
MO
C139
+
GND1
+
SRR
TP101
RX CV
8CL
8CR
A3 : RX VCO (X58-480)
CV
C136
9CL
+
NC
C138
+
P Q R S
TKR-850
1
2
CN19
3
GND2
VO
4
FIN
5C
LDT
EPT
5
DP
CP
REF
6
7
GND2
8
VO
FIN
9
5C
LDR
EPR
DP
10
CP
REF
11
12
Component side
Pattern 1
Pattern 2
Pattern 3
13
Pattern 4
Foil side
68
14