Icom IC-9100 Service Manual page 154

• PA-B UNIT (PA-B-2)
L701
C756
LA-262
33P
C755 C707 C709
VDRVO
27P 39P
0.001
L702
LA-262
PA-B-1
R984
220
R988
220
VID1V_2
VID1V_2
VID2V_ 2
VID2V_2
UPREL
UPRES
5V
8V
VUT8
UT8
14V
IDETHV
VT8
PRE12
UTHL_
C921
0.001
VUHV
UFORL
UREFL
C916 0.001
VUPD1V_
VUID1V_
VUID2V_ C917
0.001
VID1V_
VID2V_
UID1V_
UID2V_
C915
0.001
0.001
0.1
C914 MA2S7280G MA2S7280G
C901
C902 0.1
CP912
C903 0.1
CP913
C904 0.1
CP914
C905 0.1
CP915
C906 0.1
CP916
C907 0.1
CP917
I C931
1 20
NC GND
UID1V 2 19 VID2V
AO2
AO3
UID2V 3 18 VID1V
AO4 AO1
4 17
VUID1V
AO5 DI
VUID2V 5 16
AO6 CLK
VUPD1V 6 15
AO7 LD
VPRES 7 14
AO8 NC
UPRES 8 13
AO9 AO12
9 12
AO10 AO11 L822
10 11
VDD VCC
10U
BH2221FV
MPZ2012S331A
EP923
5V
5V
PBSTB
MCK
MDAT
VUFORL VT8
UPREL UT8
VPREL 14V
To RF-B
MP701
3183
C732
2355
MP731 15P
C733
15P
Q701
RD70HVF1C
Q702
RD70HVF1C
MP702
3183
Q751
KRC402
R953
VTHL_
0
D911
KDS4148U
D912
5V
VTHL_
KDS4148U
8V
VUT8
UT8
14V
IDETHV
VT8
VPREL
VUHV
PRE12 R974
VPRES R975 0
220
R943 10
R944 3.3k Q943
R949 3.3k 2SD1619
R950 3.3k
R946
D942
KDS122
10K
Q944
KTC4075
18
R941
Q941
R942 3.3k
2SD1619
R947 3.3k KDS122
R948
3.3k
R945
D941
10K Q942
KTC4075
IC932
TA7808F
I O
G
C913 0.001
C912
0.001
VUHV
VUGND
O T-047 O T-047
10 9
EP922 EP921
IDETGND IDETHV
To PA-A
To PA-A
10 - 21
J761
C767
To RF-B
0.001
L763 C761 VRX
VRX
C811 R812
0.001
56N
100P 1k
D762 C812
1SV308
6P
2590 MP772 3183
MP771
RD25T0R0
L771 L772 L773
LA-177 LA-177 LA-176
C774
C772 C776
2P
2P 5P
RL751 MP803
EC2-3NU 2590
EP831
M PZ2012S331A
Q832
2SB1132
IC841
1
VIN
2
VC
3
VO
4
VADJ
5
GND
Q831
KRC402
PQ20VZ51J00H
R992
0
R993
0
R994
0
R995
0
R996
0
W801
VHF
ANT