Icom IC-F8100 Service Manual page 69

• MAIN UNIT (4/6)
Sheet 2
2Lo
3Lo
L1601
47U
Sheet 1
5V
3DST
REFV
DT
DT
Sheet 6
3PCK
256M
Sheet 4
3.3V
DSP_CK
4.9V
5V
C1666 C1620
256MHz
15P 6P
0.1
C1907
IC1820
5 1
DMK
2
C1908
4 3
MARKER_OUT
0.5P
TC7S08F
IC1602
R1605
L1602 L1604 C1614
4 3
OUT GND
5 2
0.1U 0.12U 18 0.001 GND GND
6 1
VCC IN
C1603
C1607
UPC2709TB
7P
3P
AD9837BCPZ
IC1601
L1603
C1611 C1617
10 1
VOUT COMP
9 2 0.0047
18U 0.1 AGND VDD
R1608 1k 8 3
FSYNC CAP/+2.5V
C1605
7 4
R1609 1k
SCLK DGND
6 5
R1610 1k
4P SDATA MCLK
3.3V
X1601 Q1601
C1616
4 3 2SC2714
VCC OUT
1 2
VCONT GND 0.0047
CR-905
0.3ppm
R1614
C1622
100 0.0047
EP1602
MMZ1608Y102BT
IC1606
3
GND
2
C1625 C1631 C1636 L1614 L1615 L1618 C1657 GND
1
IN
4P 5P 7P 27N 27N 33N 0.001
UPC2709TB
C1640 C1649
C1643
3P 0.5P
1P
L1617 L1620 L1622
C1632 C1659 C1662
0.001 0.1U 0.1U 82N 47P 33P
C1644 C1655
C1650
6P 18P
12P
IC1603
R1620 1M
8 1
VCC CLK
7 2
PRE D
6 3
IC1605
CLR Q
5 4 5 1
Q GND
0.0047
2
SN74LVC2G74DCTR 4 3
C1660
SN74AHC1GU04DCK
L1616
10U
L1610
IC1604
10U C1656
3 4 32MHz
GND OUT
2 5
0.0047
C1639 GND GND
1 6
IN VCC
0.0047
UPC2709TB
R1619
47
C1637
100P
Q1808
2SC2714
5V
C1667 C1668
4
256MHz
OUT
5
8P 8P
GND
6
VCC
64MHz
15
C1664
33P
R1621
*: Refer to the PARTS LIST for the value and name of component.
11-6