Icom IC-F8101 Service Manual page 71

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