Ut-118 Digital Unit (Optional Unit); Ut-118 Board Layout - Icom IC-U82 Service Manual

SECTION 13

UT-118 DIGITAL UNIT (OPTIONAL UNIT)

13-1 UT-118 BOARD LAYOUT

• TOP VIEW
V30
V25
1
V20
10
V15
V10
1 16
V5
8 9
V0
H0 H5 H10
25 1
20
26
11
50
51
H15 H20 H25 H30
• BOTTOM VIEW
16
100 17
32
33
76
75
14 - 1
H35 H30
H35
1
1 8
64
4 5
13 12
49
48
24 1
5 4
8 1
H25 H20 H15 H10
13 - 1
V30
V25
J301
1
V20
PTTIN GND 30
PTTOUT 5V
MICOUT VCC_8V
MICIN —
232TX
—
BUSY 232RX
V15
— RXMUTE
SICO FMDET
OPT1 AFOUT
OPT2 REFMOD
OPT3 CSS
GND —
V10
OPV3 OPSO
OPV2 SI
16
OPV1 OPSCK
15
To Main unit J5
V5
V0
H5 H0