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SECTION 8
BLOCK DIAGRAM
8-1
TUNER
NET
RFMON
ATT
3 dB
PWR
AMP
Q301, Q302
DRIVE
AMP
Q201, Q202
PRE
DRIVE
Q101
RL352
LPF
10 M/14 MHz
LPF
5 M/7 MHz
RL252
RL251
LPF
3.5 M/3.8 M/4.63 MHz
RL102
RL402
RL301
RL351
RL202
LPF
50 MHz
LPF
18 M/21 MHz
RL101
RL401
LPF
1.8 MHz
RL202
RL152
RL302
RL151
LPF
24 M/28 MHz
D301, D302
PWR/SWR
DET
FORLP
REFLP
RL
T8V
ANTS
ANT1
ANT2
RL
BUFF
Q1611
PHASEI
D1201
POWER
DET
IREFV
BUFF
IC1901
PHASE
DET
IC1701,
D1311, D1312
TPWRL
ATT
10 dB
IMPI
SWR
DET
D1505, D1506
SWRL
L1S
L2S
L3S
L4S
L5S
L6S
L7S
IC941
SHIFT
REGISTER
BUFF
IC351
IC2811, IC2821
IC2831, IC2841
SHIFT
REGISTER
CURRENT
DET
IC411
T/R
CTRL
Q503
DIDL
BUFF
IC1901
D1271, IC1701
POWER
DET
BUFF
IC351
1
2
3
4
START
KEY
Q431
HEAT
SENS
PWRS
CTRL
Q432
F2
1
2
CURRENT
DET
IC401
FIDL
YGR
RX_B
RX_A
RX-OUT
RX-IN
M/M
COUPLER
30 dB
REF-IN
X-VERT
L4S
L2S
L6S
L1S
L7S
L5S
L3S
THML
BUFF
IC151
BUFF
IC251
BUFF
IC251
BUFF
IC351
BUFF
IC351
DID1V
DID2V
FID1V
FID2V
PDIDV
SW
Q1122
+8V
DC-DC
IC1401
+1R5V
REG
IC1181
+2R5V
REG
IC1191
H4V
DC-DC
IC1001
UPWS
F3R3V
REG
IC1141
H3R3V
REG
IC1101
+5V
REG
IC1241
AD3R3V
REG
IC1161
USB3R3V
REG
IC1131
+2R5V
REG
IC1171
PWRS
PWRS
–12V
DC-DC
IC1351
H1R18V
DC-DC
IC1251
+1R1V
DC-DC
IC1201
+3R3V
DC-DC
IC1051
IC1111
BACK-UP
CTRL
+5V
DC-DC
IC1301
SDPWS
FPWS
HV
USA5V
+14V
ALC
AMP
ALC
AMP
ALC
AMP
ALC
AMP
ALC
AMP
ALC
AMP
ALC
AMP
ALC
AMP
ALC
AMP
IC2405
IC2405
–12V
ALC
IC2407
IC2407
ALCL
DPALCL
ALC
CTRL
ALC
CTRL
Q2014, Q2061, Q2062
NASBS
IC2405
IC2405
FORLP
POCV
Q2012, Q2016
AMS
IC2407
IC2407
Q2010
REFLP
PFIDL
ICCV
+8V
EALC
T8V
MUTE
Q561, D561, D562
ATT
24 dB
BUFF
Q1621
CAPONS
HV
TDAT, TCLK, TOE
TSTB1~TSTB4
TUNER UNIT
NATT2S
NATT2R
PA UNIT
NATT1S
NATT1R
PSTB
MCK
MDAT
DRESL
+14V
TUNER
TO RF
TO RF
CHASSIS UNIT
TO RF
TO RF
TO MAIN
NL0S~NL9S, NL0R~NL9R
NC1S~NC9S, NC1R~NC9R
NCINS, NCINR, NCOUTS
NCOUTR, NCREDS, NCREDR
[X-VERTER]
TO MAIN
TO RF
[REF IN]
[RX-ANT IN]
[RX-ANT OUT]
+1R1V
H1R18V
+2R5V
H2R5V
+5V
+3R3V
F3R3V
SD3R3V
H3R3V
+8V
USB3R3V
USA5V
–12V
+1R5V
AD3R3V
MAIN UNIT (REG BLOCK)
MAIN UNIT (ALC BLOCK)
H4V
+14V
HV
DC 13.8 V
DATA LINE
CONTROL LINE
COMMON LINE
TX LINE
Explanatory notes
RX LINE