Kenwood TKR-851 Service Manual page 67

A B C D
TKR-851
PC BOARD
1
TX-RX UNIT (X57-6962-70) (A/2) Component side view (J72-0924-09 A/2)
2
3
4
CN18
5
6
CN15
C64
7
PSW
8
9
K1
10
11
SB
12
Ref. No. Address Ref. No. Address Ref. No. Address
IC4 11B Q4 9F
IC5 10I Q16 10K
IC9 7D Q17 10K
IC10 11I Q26 8E
13
14
E F G
L2
CN4
R45
C60
C51
R54
1 20
IC9
XF1
10 11
C66
D2
R62 R60
R63
C74
XF2
C48
L24
R44
Q27
R181
Q4
+
R69
CN14
8CR
Q27 9F
D1 7J
D2 7F
H I J K
L5
L4
CN2 C14
C15
NARROW
R41
C37
A1
D1
A9
A10
WIDE
FCT
TX
+ 9V
F1
R129
MO
+
L M N O
TX-RX UNIT (X57-6962-70) (A/2) Component side view (J72-0924-09 A/2)
CN16
+
GND1
TP102
TX CV
STT
8CT
8CL
CV
C137
9CL
+
MO
C139
+
R32
R30
R11
R13
GND1
+
SRR
TP101
8CL
RX CV
8CR
CV
C136
9CL
+
NC
+
C138
+
P Q R S
TKR-851
PC BOARD
CN19
GND2
VO
FIN
5C
A2 : TX VCO (X58-481)
LDT
EPT
DP
CP
REF
GND2
VO
FIN
5C
A3 : RX VCO (X58-480)
LDR
EPR
DP
CP
REF
J72-0924-09 A/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