Icom IC-9700 Service Manual page 70

Q8621
AMP BPF
49.152MHz
DATA12,CLK12,LE12,CE12,ULKL12
IC8701
CGSDO,CGSDIO,CGSCLK,CGCS
Clock
Generator
24.576MHz
12.288MHz
IC8693 12.288MHz
FPCK_P
LVDS
FPCK_N DRIVE 24.576MHz
24.576MHz
LVDS
IC8812 IC8811
REF10M
BUFF AMP
REFINS
FPGA RX-ADC
IC7601
DARST,DASLP,DATXE,DAALA,
DASCLK,DACS,DADO,DASDIO
PARITY,SYNC,FRAME,
DACLK,DAD00~DAD15
www.PH4X.com
D8621,L8624 Q8641 D8641,L8644
X2 AMP BPF X2
98.304Hz
For PA-C,PLL-IC
IC8661
AMP BPF
For DAC SamplingClock
OUT1 DIV2 196.608MHz
DACK_P
1179.648MHz
DACK_N
196.608MHz
SPLITTER
196.608MHz
For DV-DSP CoreClock
DVCK
IC8692 IC8691 Q8601,Q8602
DIV AMP BUFF
X8601
REFV
49.152MHz
J7403
D8811 D8801/8802
Q8801
EXT-REF IN
LIMIT AMP LIMIT ATT
IC7201
TX-RF
DAC BALUN HPF LPF
Fc:120MHz Fc:480MHz
LVPECL
VRF:144.0~148.0MHz
URF:420.0~450.0MHz
12IF:305.632~365.632MHz
LVPECL 1179.648MHz
DACK_P
DACK_N
Explanatory notes
CONTROL Line
COMMON Line
VRRF
DATA Line
fc=146MHz
TX Line
RX Line
IC1162
Voltage Line (14V)
5V
Voltage Line (8V) VRXS
PHV
P8V
DCREF
For 1200 PLL-IC
ADC_ENC
For ADC SamplingClock
IC101
VTRF PRE
ATT
DRIVE
Q111
5V
SW VDIDV
VTXS
PA-A UNIT
MAIN UNIT
D3141 IC3101
RF
PIN
ATT SW
AGCAV VRXS
D3341 IC3111
PIN RF
ATT SW
AGCBV URXS
D3011 D3021 D3041
PIN PIN PIN
ATT ATT ATT
DRIVP ALC
VTXS
UTXS
12TXS
9-2
VHF_RX
D1121~D1124
IC1161
PRE ATT/
BPF BPF HPF
AMP MUTE
fc=146MHz fc=90MHz
VATONS
VPONS
VTXS
REG
Q201 Q301
DRIVE PWR
AMP AMP
VHF_TX
IC211 IC211
BIAS VFIDV BIAS
HEAT
VTHML
SENSOR
VRRF:144~148MHz VRRF
IC3501
8V AAL5V
REG
IC3121
D3131/Q3131
RF 12RIF
SW
MUTE
12RSS
IC3501
12RSS
8V ABL5V
REG
URRF:430~450MHz URRF
VHF
HPF
fc=144MHz
IC3031 IC3061
RF RF
UHF
LPF HPF
AMP SW
fc=450MHz fc=420MHz
VTXS
Q3031
UTXS
1R2G
HPF
12TXS
SW
fc=300MHz
144~148MHz
IC691
VFORL BUFF
VHF ANT
IC691
VREFL BUFF
RL401 D801,D811
TX/RX SWR
LPF
SW DET
VTXS
Q701,Q702
PREAMP
14V
SW
VEPS
VEPL
IC3171
AAL5V AAL3R3V
REG
IC3371
ABL5V ABL3R3V
REG
LPF ATT VTRF
fc=148MHz
LPF UTRF
fc=450MHz
LPF 12TIF
fc=400MHz