Optional Unit Ut-103; Section 12 Optional Unit - Icom IC-F2610 Service Manual

SECTION 12

OPTIONAL UNIT UT-103

• SCHEMATIC DIAGRAM
J1
30 GND
L1
1
1.8µ
29 +5V
2
28
3
27
4
26
5
25
6
24
7
to IC-F2610 23 DISC IN
MAIN unit J6
8 SIG OUT
22
9 OPT1
21
10
20 CCS R20 1k
11
19 CIRQ R19 1k
12 GND
18 SO R18 1k
13
17 SI R17 1k
14
16 SCK R16 1k
15
Explanatory notes
VOLTAGE LINE
Decoding signal
Encoding signal
• BOARD LAOUT (TOP VEIW)
21
22
24
1
3
4
R21 FM "OPEN"
100k PM "SHORT"
SIG OUT
C2 C3
0.1 0.001
DISC IN
R6
100k
C12
22p
R10
220k
16 9
NC AMP O
17 8
REPLY AMP I
18 7
NC IC1 VBIAS
19 6
CS FX809LG RX
20 5
CMD NC
21 4
SCK NC
R7
1.5k
16
15
10
9
12 - 1
• BLOCK DIAGRAM
W2
IC2
TC4W53F
5 8
7
1
6
2,3,4
R14
10k
R9
100k
• BOARD LAYOUT (BOTTOM VIEW)
J1
16 SCK
SI
SO
CIRQ
CCS
NC
NC
DISC IN SIG OUT
NC
NC
NC
NC
NC
+5V
30 GND
MP2
VCC
C-BUS
DISC IN
IC1
SIG OUT
FX809LG
FFSK
AMP O
X1 AMP I
CR-466
FM/PM SW
VBIAS
15
NC
NC
NC
GND
NC
NC
to IC-F2610
OPT1
MAIN unit J6
NC
NC
NC
NC
NC
NC
NC 1
5
8
J1
to IC-F2610
SIG OUT
MAIN unit J6
IC2
TC4W53F
OPT1
4
1
MP1