Icom IC-F8101 Service Manual page 68

• MAIN-A UNIT (1/6)
IF
Sheet 3
HV
14V
8V
5V
5V
3DST
3DST
Lo REFV R8V
REFV
DT T8V
DT
Sheet 4 3.3V
3PCK
256M
3.3V
DSP_CK
DSP_CK
2LO
2LO
3LO
3LO
DMK
DMK
8V
5V
1CNO
1CNO
EXRE
EXRE
DT
DT
Lo CK
CK
LOF0
LOF0
Sheet 5 LOF1
LOF1
1DST
1DST
3.3V
3PCK
256M
1LO
1LO
RF
RF
BST
BST
EXRE
EXRE
MCK
MCK
MDT
MDT
LOF0
LOF0
LOF1
LOF1
ICCV
ICCV
POCV
POCV
RF IDV
IDV
ALC
ALC
Sheet 2
FOR
FOR
REF
REF
DMK
DMK
14V
14V
8V
8V
5V
5V
T8V
T8V
EALC
EALC
C1001 0.0047
C1002 0.0047
C1003 0.0047
C1005 0.0047
C1006 0.0047
C1009 0.0047
MMZ1608Y102BT
MMZ1608Y102BT
PS PA
7.9 V
14V
0.0047
C1008
0.0047
C1007
11-3
FRONT DDS RF A/D
CONTROL
Sheet 6
CP1001
CP06S
13.7 V
DSP ACC TUNER
HV
3.3V 5V
14V
8V
CP1906
DRES
CP05S
CP1902
DRFS_3
CP05S
CP1900
DCLK
CP05S
CP1903
VSQL
CP05S
CP1901
HSK0
CP05S
13.5 V
TX=0.5 V
RX=4.9 V
CP1815
RXD
CP05S CP1816
TXD
CP05S
14 15
J1003
to FRONT UNIT
*: Refer to the PARTS LIST for the value and name of component.
VBUSK
TCON
TSTART
J1004
CP05S
GND TSTART
1 2
BEEP BEEP TCON
CP1930
3 4
AGC AGC VBUSK
5 6
R3IF R3IF USB_GND
7 8
GPRXD GPRXD GPTXD
9 10
EXRXD EXRXD EXTXD
11 12
EDT EDT ECK
13 14
GND EALC
15 16
5V 5V
17 18
14V GND
19
20
14V 8V
21 22
3.3V to DSP1
23 24
3.3V MODPTT
25 26
SP SP SPG
27 28
MIC MIC MICG J3001
29
30
MICG
SPG
MODPTT
EALC
ECK
EXTXD
GPTXD
to DSP1
J3002
DRXD
DTXD
DRES
CK
EXRE
J1005
DTFS_3 GND
CP05S
1 2
DSPO1 GND
3 4 DTXD
GND DT
5 6 CP1819
EXRE CP05S
AGCC 7 8
DRES DRXD
9 10
CP1820
DRFS_3 DTXD
CP05S
11 12 CP1904
DCLK DRXD
13 14 DSKY
CWST
DSKY
15 16 CP05S
TRFD TKEY
17 18
TKEY
VSQL DSHS
CP1817
19 20
ALE2 ALE1
21 22 CP1905 CP05S
HSK0 RL1
23 24 CWK
ST9 CWK
25 26 CP05S
ST8
MDT
27
28 ST8
MCK DSP_CK
CP1818
29 30
DSHS
DSP_CK
ST8
CWK
ALE1
TKEY
DSKY