Icom IC-9700 Service Manual Addendum page 152

• MAIN UNIT (9/13)
3R3V
DRESL
DRESL IC2801
MAIN UNIT MCK
MDAT MSTB 1 16
(1/13) MDAT STR V+
2 15
MDAT
D OE
MCK 3 14
CLK Q5
MCK 4 13
DRESL Q1 Q6
DSTB 5 12
MAIN UNIT DSTB Q2 Q7
6 11
MSTB
(2/13) MSTB Q3 Q8
PASTB 7 10
PASTB Q4 Q'S
8 9
GND QS
MC74HC4094ADTR2G
3R3V
DRESL
IC2811
MSTB 1 16
STR V+
2 15
D OE
MCK 3 14
CLK Q5
4 13
Q1 Q6
5 12
Q2 Q7
6 11
Q3 Q8
7 10
Q4 Q'S
8 9
GND QS
MC74HC4094ADTR2G
3R3V
DRESL
IC2821
PASTB 1 16
STR V+
2 15
MDAT
D OE
MCK 3 14
CLK Q5
4 13
Q1 Q6
5 12
Q2 Q7
6 11
Q3 Q8
7 10
Q4 Q'S
8 9
GND QS
MC74HC4094ADTR2G
Explanatory notes
R2801
ISPBS
ASQLS
AMS
NASBS
100
R2802
ISPAS
AFOS
SPBS
SPAS
100
SENI
R2811
12PONS
12POFS
12EPS
12ATONS
100
R2812
12RSS
SDONS
MDONS
UMODS TRAS
100
R2821
VATONS
UPONS
UEPS
UATONS
100
R2822
VEPS
VPONS
CP2822
CP06S IC2852
CP2821
CP06S 8V 1 5
VIN VOUT
100 2
VSS
3 4
CE NC
XC6209F502MR
IC2851
11
Vcc
REF1V 12
Ao11
13
REF2V
Ao12
14
Do
DSTB 15
LD
MCK 16
CLK
17
MDAT
DI
18
Ao1
19
Ao2
20
GND
R2A20169SA
TX Line
RX Line
Voltage Line (14V)
Voltage Line (8V)
R2872
470k
R2871
DRIV
47k
R2961
REF1V
3.9k
R2962
REF2V
330k
R2966
56k
8
V+ IC2961
GND NJM2746V
4
14V
Q2931
L2SC4081
R2931 D2931
33k L1SS400
Q2932
DSC7004S0
R2935
Q2933 150
LDTA114YE
REFV
R2851
ICCV
10 100
VrefU
9
Ao10
8
R2852
Ao9
7
Ao8
6 POCV
Ao7
5 12DIDV
Ao6
4
12FIDV
Ao5
3
Ao4
2 100
Ao3
1
VrefL
R2853
UDIDV
UFIDV
VFIDV
VDIDV
100
C2872
0.1
R2873
82k
2
R2874
1
3
100 Q2871
IC2861
L2SC4081 R2876
DRIVP
NJM2904CRB1
10
R2963
R2965
2.2k
56k
IC2961
NJM2746V
2 IC2961
R2964
1 6
R2971
3 7
56k
R2870
5
100
100
R2968 NJM2746V
8
56k
IC2861 V+
NJM2904CRB1 GND
4
10-9
Q2951
LDTC143ZE
R2951
10k
R2922
Q2921
4.7k
L2SC4081
D2921
R2921
33k L1SS400
EP2916
MMZ1005B601C
EP2917
EP2911 MPZ2012S601A
EP2918 MMZ1005B601C
EP2913 MMZ1005B601C
MPZ1608S601A
C2942 EP2914
MMZ1005B601C
2.2
R2941
C2941 EP2915
2.2 MMZ1005B601C
100
3R3V
IC2901
16 1
FORCEOFF EN
15 2 C2903
VCC C1+
14 3 0.1
C2904
GND V+
0.1
13 4
DOUT C1-
12 5 C2905
FORCEON C2+
DTXD 11 6 0.1
DIN C2-
10 7
C2906
INVALID V-
9 8 0.1
DRXD R2901
ROUT RIN
100
MAX3221IPWR R2902
100
DOT EP2893
MMZ1005B601C
DASH EP2892
MMZ1005B601C
CIV EP2891
MMZ1005B601C
CP2891
CIVE
SHORT1005
EP2881
MPZ1608S601A
R2861 R2863 R2864 R2881
FANVP
Q2881
100k 390k 100 470
DSC7004S0
6
7
5
FANV
IC2861
NJM2904CRB1
* Refer to the PARTS LIST for the value and name of component.
14V
14V
8V MAIN UNIT
(5/13)
3R3V
AMS
AMS MAIN UNIT
NASBS
NASBS (8/13)
ISPBS
ISPBS
ISPAS
ISPAS
AFOS
AFOS MAIN UNIT
SPBS
SPBS (7/13)
SPAS
SPAS
UMODS
UMODS
MDONS
MDONS MAIN UNIT
SDONS
SDONS (10/13)
VATONS
VATONS
VEPS
VEPS
VPONS
VPONS
UATONS
UATONS
UEPS
UEPS MAIN UNIT
UPONS
(4/13)
UPONS
12ATONS
12ATONS
12EPS
12EPS
12POFS
12POFS
12PONS
12PONS
12RSS MAIN UNIT
12RSS
(10/13)
REFV MAIN UNIT
REFV
(13/13)
ICCV
ICCV MAIN UNIT
POCV
(8/13)
POCV
[ACC]
12DIDV
12DIDV
J2911 12FIDV
12FIDV
6
UDIDV
UDIDV MAIN UNIT
1. RTTY
7 UFIDV
(4/13)
UFIDV
7 6 2. GND
1 VFIDV
VFIDV
8 3. SEND VDIDV
VDIDV
3 4. MOD DRIVP
3 8 1
4 5. AF
MAIN UNIT
DRIVP
6. SQLS (10/13)
2
5 7. 14V SENI
5 4
SENI
8. ALC TRAS
2
TRAS MAIN UNIT
DASH (2/13)
DASH
DOT
DOT
CIV
MAIN UNIT
CIV
CIVE
(6/13)
CIVE
DTXD
DTXD MAIN UNIT
DRXD
(1/13)
DRXD
MAIN UNIT
EALC
EALC
(8/13)
RTKI MAIN UNIT
RTKI
(2/13)
MAIN UNIT
AAF
(7/13)
AMOD
J2901
EP2901
MMZ1005B601C
[DATA]
EP2902
MMZ1005B601C
J2891
[KEY]
[REMOTE]
FAN
J2881
FAN+
1
FAN-
2