Icom IC-9100 Service Manual page 128

SECTION 9. BLOCK DIAGRAM
VRX
RF-B
PA-B UNIT
Q151 Q171 Q201 Q251
2SK2854 2SK3074 RD15HVF RD70HVF
YGR PRE
DRIVE
VUYGR ATT AMP
DRIVE
AMP AMP
RF-B
VUPD1V
IC551/Q551
NJM2904/KTC4075
VUID1V BIAS
VID1V
IC931
VID2V
BH2221FV
UID1V
MCK UID2V
MDAT D/A VUID1V
PBSTB VUID2V
VUPD1V
VPRES
UPRES
URX
RF-B
COMMON
PA-A UNIT
FILTER
IC371
NJM2904
IPDL AMP
ID
FIDL
DET
FIDH
H14V
RL51
AJS1311F
14V
DC-DC UNIT
IC201
PWRS
-12V DC-DC
IC431
DC-DC
10V
BH2221FV
HPID1V
IC121
MCK5 HDID1V
TA7805F
MDAT5 HDID2V
D/A
BD9851FEV
PAASTB5 HFID1V
+5
HFID2V
5V
REG IC301
IC432
L1
CD4094BPWR
DC-DC L2
8V
L3
S/P
L4
CONV
L5
PASTB5
BD9851FEV
L6
DRESL5
L7
HTHL
Q221/Q222 Q241/Q242
Q201
RD01MUS1 RD15HVF1/RD15HVF1 RD100HHF1/RD100HHF1
PRE PWR
DRIVE
ATT
HYGR DRIVE
AMP AMP
BPF
IC301
NJM2904
HPID1V HDID1V HFID1V BIAS
HDID2V HFID2V
HRX
BPF
LPF
VT8
VTHL
RL751 D801/D811
Q701/Q702 EC2-4.5NU MA2S7280
RD70HVFx2
TX/RX SWR
LPF
PWR SW DET
LPF
AMP
VFORL
D916
IC552
MA2S7280
NJM2902 VREFL
VID1V
BIAS D918
Q831/Q832
VID2V MA2S7280
KRC402/2SB1132
PREAMP
VUFORL D917
MA2S7280
VUREFL
D919 VPRES
UTHL MA2S7280
UFORL
UREFL
Q401/402
RD60HUFx2 D451/D452/D453/D454
L407CD
PWR
HPF
AMP TX/RX SWR
LPF
SW DET
IC552/Q553/Q554 Q491 IC841 Q541/Q542
NJM2902/KTC4075 XP4312 PQ20VZ51J00H KRC402/2SB1132
UID1V
+12 PREAMP
BIAS DRIVER 14V
REG
UID2V
UT8 UPRES
CTRL UNIT
IC801
TA7805F
DC-INPUT
IC702
5V
BR24L32FV
14V
5V
REG
IC811
EEPROM
1.8 MHz
S-80851
ANTS
RL801 RL802
RESET
LPF
ATN207 ATN207
IC431
IC701
NJM2903 FORV5V
R5F212A7SNFP
L1
ANTI
AMP
3.5/3.8/4.63 MHz
RL501 RL502
IKEY
LPF
ATN207 ATN207 ISTA
THRU
L2
TUNER
THRI
5/7 MHz
RL602 CPU
RL601
LPF X701
ATN207 ATN207 CR-520
(19.6608M)
L3
10/14 MHz T5V
RL1001 RL1002
LPF
DRESL5
ATN207 ATN207
ISET
L4
HTXS
18/21 MHz
RL1101 RL1102
Q820/Q822/Q821
KRC402/KRC402 Q281/Q282
LPF
KRA302 2SB1123/2SD1619
ATN207 ATN207
T/R
T5V
CTRL
L5
24/28 MHz
RL901 RL902 IC171
IC171
NJM4558
NJM4558
LPF
IC31
ATN207 ATN207
NJM4558
IC31 AMP
NJM4558
L6 AMP
AMP FORV5V
50 MHz
RL701 RL702
D151/D152/Q151
LPF HSM88AS/
D11/D12
ATN207 ATN207 HSM88AS/2SK515
HSM88AS
SWR PHASE RESIST
L7
DET DET DET
IC111/IC121/IC131/D101/D102
TC74AC04/TC74ACT32/TC74AC112
HSM88AS/HSM88AS
AMP FORV
IC41
NJM2904V
AMP REFV
RL621
IC41
UA2-12
NJM2904V
LPF
KTC4075/KRA302
9 - 1
VHF ANT
VPREL
SW
UHF ANT
D501/D511
HUS88
UPREL
SW
HF ANT1 HF ANT2
RL501
G6S
D401
HSM88AS
CURRENT
DET
TUNING
NETWORK
D251
U05G
RL601
AMP
SIP-1A
RL201
SIP-1A
DET
D602
MA3J7420
RL
Q603/Q621 CTRL