Icom IC-706MKIIG

8 - 1
SECTION 8 BOARD LAYOUTS
• DISPLAY UNIT (TOP VIEW)
• MAIN UNIT
(TOP VIEW)
• PLL UNIT
(TOP VIEW)
• FILTER UNIT
(TOP VIEW)
• PA UNIT (TOP VIEW)
• DRIVE UNIT (TOP VIEW)
• VR UNIT
(TOP VIEW)
• HPF UNIT
(TOP VIEW)
RIT/
SUB
MENU F-1 F-2 F-3
MODE
BAND
BAND
TS
DISPLAY
LOCK
PHONES
TUNER/CALL
P.AMP/ATT
POWER
BFO GND
P991
TO MAIN J791
P891
TO MAIN J281
P681
TO MAIN
J551
TO MAIN J1431
AFI AFIE AFOE AFO
14V
FSKK
IMST
DINT
AAF
8V
AFBP
H5V
PDST
PCK
CON1
PBST
MLLV
AFGC
DSPS
HV
14V
DDT
ICK
GND
POWS
8V
DRES
CON2
PDT
CON0
PCE
SPS
5V
UL
J254
1
29 30
2
TO MAIN
J1381
GND
DSPS
ICK
IMST
DRES
GND GND
5V
DDT
DINT
J253
19
210
TO OPTIONAL UNIT
UT-106
J252
2MBL
8V
THER
14V
GND
POWS
ESPE
ESPO
HV
8V
GND
14V 14V
GND
ESPE
ESPO
15 1
216
TO PA UNIT J621
J611J612
ETKY
ETST
ET14
ETE
ETKY
ETST
ET14
ETE
P101
J601
P651
P481
HFI
HFI
GND
GND
1
4
J160
GND
GND
HFO
HFO
4
1
J161
TO DRIVE
BOARD
J100
TO DRIVE
BOARD
J101
TO DRIVE
BOARD
J210
TO DRIVE
BOARD
J211
VUI
VUI
GND
GND
1
4
J210
TB4V TB2V
PR4S STRT
L9
GND
VREF
VFOR
ICL
T8V
TB3V TB1V
PR3S
KEY
L8
UREF
UFOR
AT13
ICH
R8V
119
2
20
J661
GND
GND
VUO
VUO
4
1
J211
TO MAIN UNIT
J231
TO MAIN
J401
ESPO
ESPE
POWS
GND
14V
THER
8V
2MBL
ESPO
ESPE
GND
14V 14V
GND
8V
HV
16 2
15
1
J621
TO PLL J252
TO MAIN UNIT
J141
TB3V TB1V
PR3S
KEY
L8
UREF
UFOR
AT 13
ICH
R8V
TB4V TB2V
PR4S
STRT
L9
GND
VREF
VFOR
ICL
T8V
119
20 2
J401
CIVE
BDT
KEY
DOT
EALC
PTTP
SQLS
8V
DOUT
AMOD
CIV
FSKK
BAND DASH
U/D
GND
AAF
AFO
T8V
DIN
119
20 2
J461
L2 L4 L6
GND
HREF
GND
14V
AT 13
MICE
SNDSR
L1 L3 L5 L7
HFOR
SDSS
14V 14V
MIC
SEND
119
20 2
J431
LTX D
AFO
MIC
PWK
LRXD
8V
GND
MICE
82
17
J1421
MSST
MCK
GND
SPCH
MDT
SPBK
5VL
GND
AAF
FSKK
14V
H5V
PDST
CON1
PCK
IMST
DINT
AFBP
8V
PBST
MLLV
AFGC
DSPS
GND
14V
HV
DRES
CON2
CON0
PDT
DDT
ICK
8V
POWS
PCE
SPS
5V
UL
J1381
TO PA UNIT
J661
TO FILTER UNIT
J9
TO FILTER UNIT
J12
TO FRONT UNIT
MP20
TO OPTIONAL UNIT
UT-102
AFI
AFIE
AFOE
AFO
GND
BFO
J1431
J791 P991
TO OPTIONAL UNIT
UT-106
TO PLL UNIT
J254
1
1
2
4
GND
BFO
1
7
2
8
J2061
30
2
29
1
AF
RF/SQL
M-CH
SHIFT
TO DISPLAY BOARD
J3
AFL
AF
AF
AFS
AFS
5V
DN
AFL
SQL
AFV
UP
SFT
GND
J1
13
12
2
1
SPEAKER
PHONES
HFO HFO
GND GND
HFI HFI
GND GND
J101
J100
VUO VUO
GND GND
J201
1
4
1
4
TO PA UNIT
J211
1
4
TO PA UNIT
J160
VUI VUI
GND GND
J200
14
TO PA UNIT
J210
TO PA UNIT
J161
RTTY REMOTE
KEY
8VM
MAFM
MCEM
GND
U/DM
SENM
MICM
SQSM
17
28
J11
TO MIC
CIVE
BDT
KEY
DOT
CIV
FSKK
BAND DASH
EALC
PTTP
SQLS
8V
U/D
GND
AAF
AFO
DOUT
AMOD
T8V
DIN
TO MAIN UNIT J461
119
220
J9
L2 L4 L6
GND
L1 L3 L5 L7
HREF
GND
14V
AT 13
HFOR
SDSS
14V 14V
MICE
SNDSR
MIC
SEND
TO MAIN BOARD J431
119
220
J12
P1
(HRX)
TO MAIN BOARD J101
P2
(HPAO)
TO PA UNIT J172
DATA A CC
AFOUT
PTTP
DIN
3
5
1
4
6
2
J14
AAF
DOUT
1234
5678
9
101112
13
J5
BOTA
SENO1
138A
SENO2
AFA
MODA
SQSA
8VA
GND
1
2
4
3
8
7
12
11
13
10 6 9 5
B
A
N
A
K
E
Y
A
A
L
C
A
F
S
K
A