![background image](http://html.mh-extra.com/html/icom/ic-706mkiig/ic-706mkiig_service-manual_612196072.webp)
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71
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77
78
79
80
RES
XTAL
EXTAL
MD1
MD0
NMT
STBY/FVPP
VCC
SCK0/P52
RXD0/P51
TXD0/P50
VSS
WAIT/SDA/P97
P96
AS/P95
WB/P94
BD/P93
IRQ0/P92
IRQ1/EIOW/P91
ADTRG/IRQ2/ECS2
KEYIN0/FTCI/P60
KEYIN1/FT
OA/P61
KEYIN2/FTIA/P62
KEYIN3/FTIB/P63
KEYIN4/FTIC/P64
KEYIN5/FTID/P65
KEYIN6/IRQ6/P66
KEYIN7/IRQ7/P67
A
VCC
AN0/P70
AN1/P71
AN2/P72
AN3/P73
AN4/P74
AN5/P75
AN6/OA0/P76
AN7/OA1/P77
A
VSS
TMCIO/P40
TMO0/P41
P42/TMRI0
P43/TMCI1/HIROQ1
P44/TMO1/HIRQ1
P45/TMRI1/HIRQ1
P46/PW0
P47/PW1
VCC
P27/A15
P26/A14
P25/A13
P24/A12
P23/A11
P22/A10
P21/A9
P20/A8
VSS
P17/A7
P16/A6
P15/A5
P14/A4
P13/A3
P12/A2
P1
1/A1
P10/A0
P30/HDB0/D0
P31/HDB1/D1
P32/HDB2/D2
P33/HDB3/D3
P34/HDB4/D4
P35/HDB5/D5
P36/HDB6/D6
P37/HDB7/D7
VSS
P80/HA0
P81/GA20
P82/CS1
P83/IOR
P84/IOW/IRQ3/TX
P85/CS2/IRQ4/RX
P86/IRQ5/SCK1/S
IC2001
HD6433337YA56F
C2163
0.1
R2162
4.7k
R2161
10k
D2161
MA2S111
R2165
100
R2166
100
C2161
12p
X2161
CR-636
C2162
12p
IC2161
S-80942ANMP-DD6
OUT
VDD
VSS
CO
NC
1
2
3
5
4
C2164
0.027
R2163
39k
C2165
0.0047
R2164
33k
R2167
10k
R2142
1k
C2142
0.0047
R2143
47k
D2141
DA221
C2143
0.0047
R2144 1k
D2145
MA2S1
1
1
C2144
0.0047
R2146
47k
D2142
DA221
C2145
0.0047
R2148
47k
D2143
DA221
C2146
0.0047
R2151
47k
C2147
470p
R2147
1k
R2149
1k
D2144
MA2S111
R2152
47k
R2150
470
R2171
100k
6
2
IC2122b
3
5
R2174
47k
IC2122c
Q2171
2SA1576
R2172
6.8k
R2173
33k
D2171
MA2S111
R2175
18k
CP2171
CIV
CIVE
Q2172
2SC4081
DSPI
DASH
DOT
UL
0VDV
PWK
POWS
5VL
HV
C2004
0.1
R2005
47k
D2002
DA221
R2004
47k
D2001
DA221
D2031
R2021
47k
D2030
D2029
D2028
D2027
D2026
D2025
C2018
0.0047
C2017
0.0047
C2019
0.0047
C2016
0.0047
C2022
0.0047
C2014
0.0047
C2013
0.0047
C2012
47p
C201
1
47p
FMST
PR4S
PR3S
PR2S
PR1S
D96S
ATTS
NBS
AGFS
SNDS
Q2001
DTA114EE
R2001
220
C2003
0.0047
C2002
0.0047
C2001
0.0047
LRXD
LTXD
RXS
TXS
KDS
SNDSR
R2003 1k
R2002 1k
R2044 1k
R2042 1k
R2041 1k
C2044
0.0047
R2045
47k
C2042
0.0047
C2041
0.0047
R2019
R2018
R2017
R2016
R2015
R2014
R2013
R2012
R2011
COMS
SDSS
1S15
DRES
PCK
PDT
PMST
PDST
CON0
CON1
CON2
PBST
R2051 1k
R2052 1k
R2053 1k
R2054 1k
R2055 1k
R2056 1k
R2057 1k
R2058 1k
R2061 100
R2062 100
R2063 100
R2064 100
R2065 100
C2065
47p
C2064
47p
C2063
47p
C2062
47p
C2061
47p
L2253 10uH
L2254 0.56uH
MDT
MCK
BSTB
DSST
ASTB
C2141
0.0047
Q2141
DTC114EE
CP2121
IC2121
X25650S8I-2.5
CS
SO
WP
VSS
VCC
HOLD
SCK
SI
C2121
0.1
R2122
47k
R2121
47k
SQLS
D2131
DA221
R2131
1M
D2132
DA221
R2132
47k
R2133
1k
R2134
1k
D2133
DAN222
KEY
STRT
Q2131
DTC114EE
4
5
1
2
3
C2131
0.1
L2001
10uH
C2066
0.1
C2076
2.2
1
7
8
4
R2124
100k
IC2122a
TC7W04FU
C2122
0.1
R2133
100k
C2123
47p
R2077
47k
C2075
0.0047
R2076
1M
C2074
0.0047
R2074 1k
R2072 1k
C2073
0.0047
C2072
0.0047
C2071
0.0047
D2083
MA2S1
1
1
C2081
0.0047
C2082
0.0047
C2083
0.0047
C2084
0.0047
D2082
MA2S1
1
1
R2084 4.7k
R2086
1k
C2085
0.0047
R2085
4.7k
D2081 MA2S111
X0
X1
X2
X3
Y0
Y1
Y2
Y3
INH
A
B
VCC
X
Y
C2101
0.1
R
2
111
100k
R21
12
100k
R2081 4.7k
CP2061
R2087
22k
R2088
22k
R2089
22k
R2090
22k
ETON
SPBK
TONE
AFMS
BEEP
SQL
ALCL
AVXL
VOXL
SNDL
CTCV
13
3
8
12
14
15
11
1
5
2
4
6
10
9
R21
10
4.7k
R21
13
390k
D2101
MA2S1
1
1
D2102
MA2S1
1
1
D2103
MA2S1
1
1
D2105
MA2S1
1
1
R2106 2.2k
R2107 4.7k
R2108 1k
R2109 4.7k
D2107
MA2S1
1
1
R2102 4.7k
R2101 4.7k
R2103 4.7k
R2104 4.7k
R2105 4.7k
D2104
MA2S111
D2106
MA2S111
C2086
0.47
IC2201
M62352GP
11
12
13
14
15
16
17
18
19
20
10
9
8
7
6
5
4
3
2
1
VCC
AO11
AO12
DO
LD
CLK
DI
AO1
AO2
GND
VSS
SO3
AO4
AO5
AO6
AO7
AO8
AO9
AO10
VDD
R2141
10k
R2203
100k
-
+
2
3
4
1
11
R2204
100k
R221
1
10k
-
R2205
100k
+
5
6
7
R2206
100k
R2212
10k
IC2202b
-
R2207
100k
+
IC2202c
10
9
8
R2208
100k
R2201
330
R2202
560
C2202
0.1
C2201
0.1
C2251
47p
16
IC2101
BU4052BCFV
IC2202a
NJM2902V
Q2
Q1
Q3
Q5
Q7
Q8
QS
QS
CLK
STR
3
1
8
16
2
15
D
OE
Q6
C2222
0.1
IC2222
BU4094BCFV
4
5
6
7
14
13
12
11
9
10
Q4
R2221
100
C2223
47p
TN4V
TN3V
TN2V
TN1V
TIFS
SPS
DSPS
2N23
2NBO
2NTH
2OP2
2OP1
Q2221
UMC3N
3
2
1
4
5
5
4
1
2
3
Q2222
UMC3N
5
4
1
2
3
Q2223
UMC3N
Q4
IC2221
BU4094BCFV
C2221
0.1
Q6
2
15
D
16
8
1
3
STR
CLK
QS
QS
Q8
Q7
Q5
Q3
Q1
Q2
OE
5VL
14V
8V
MCK
MDT
DRES
BSTB
DSST
4
5
6
7
14
13
12
11
9
10
MODS
AMS
FMS
WFMS
MINH
UNFM
AFS1
AFS2
HV
5VL
H5V
HV
5VL
H5V
HV
5VL
8V
14V
J2061
CP2071
CP2072
CP2073
CP2074
CP2075
CP2076
CP2078
W2061
D2181
RD12M
C2181 1
C2166
0.1
DASK
DOTK
UNLK
IC2131
TC4S81F
ATST
AHST
W2001
C2059
0.1
R2215
2.2k
W2101
TKEY
TCON
SQSS
ATOT
8V
MCK
MDT
SPBK
MSST
SPCH
ATOT
8V
MCK
MDT
MSST
SPCH
MPXA
MPXB
[ESP]
[FRA]
[EUR],[ESP]
[ESP]
H5VL
5VL
MPXA
MPXB
MA2S111
MA2S111
MA2S111
MA2S111
MA2S111
MA2S111
MA2S111
100
1k
1k
1k
1k
1k
1k
1k
1k
• MAIN UNIT
MAIN (4)
Optional
unit
5.0 V
67 nS
COMPLETE VIEW
Summary of Contents for IC-706MKIIG
Page 1: ...SERVICE MANUAL HF VHF UHF ALL MODE TRANSCEIVER i706MK G ...
Page 58: ... HPF BOARD BOTTOM VIEW DRIVER BOARD BOTTOM VIEW 8 6 ...
Page 60: ... PA UNIT BOTTOM VIEW 8 8 ...
Page 62: ...1 8 16 9 PLL UNIT BOTTOM VIEW 8 10 ...
Page 64: ... FILTER BOARD BOTTOM VIEW 8 12 ...
Page 85: ...6 9 16 Kamihigashi Hirano ku Osaka 547 0002 Japan A 5564HI S C 1999 by Icom Inc ...