Icom IC-9700 Service Manual Addendum page 66

(Amended page)
June 2019
• PA-A UNIT
EP301
OT-047
13.7 V
PHV
EP302
OT-047
IC101
J101
R102 R105
MAIN UNIT
I O
(10/13)
18 G 0
MMG3H21NT1
TX : 6.0 V (Adjustment value: reference)
TX : 5.0 V
RX : 0 V RX : 0 V
R214
6
Q111
RZF020P01TL
5V 5
IC211
LDTC114EE
NJM2904CRB1
Q112 R111
1k
J1201
L1191 C1175
MAIN UNIT
(10/13)
LQW18AN56NG00 27P
5.0 V
EP3
MPZ2012S102A
EP2
MPZ2012S102A
EP1
MPZ2012S102A
J1
8.0 V 13.4 V
29 30
27 28
TX : 0 V
25 26
23 24 RX : 3.2 V
22
21
EP4 VDIDV
20
19
MMZ1005Y102CT
EP5 VFIDV
18
17
MMZ1005Y102CT
R6 VTXS
16
15
100
R7 VRXS
13 14
100
R8 VATONS
11 12
100
R9 VPONS
9 10
100
R10 VEPS
7 8
100
EP11 VEPL
5 6
EP12 MMZ1005Y102CT VTHML
3 4
EP13 MMZ1005Y102CT VREFL
1 2
EP14 MMZ1005Y102CT VFORL
MMZ1005Y102CT
MAIN UNIT
(4/13)
L302
PHV
LW-33
EP215
MPZ2012S102A
Pattern coil
C311
R202
22P
560
Q201
PD85004
Pattern coil
TX : 3.4 V (Adjustment value: reference)
0.5 V (Ambient temperature=25°C)
RX : 0 V
R314
47k 0
2
R215 R315
7 1
3
100 100
IC211
NJM2904CRB1
IC211
NJM2904CRB1
When TX in the VHF band: 0 V When TX in the VHF band: 0 V
When RX in the VHF band with: When RX in the VHF band with:
"P.AMP" ON: 1.9 V "ATT" ON:
"P.AMP" OFF: "ATT" OFF:
0 V
R1165 L1161 C1155
18N
0 68P
R1164
IC1161
1 6
680
RFOUT1 VCTL
2 5
C1162 GND GND
3 4
RFOUT2 RFIN
0.01
NJG1152KA1
C1163
0.01
When TX in the VHF band: 0 V
TX : 0 V
When RX in the VHF band with:
RX : 3.3 V
"ATT" ON:
IC1162
"ATT" OFF:
1 5
VIN VOUT
2
VSS
3 4
ON/OFF NC
S-1200B33
TX : 0 V
RX : 7.8 V
Q1232
LDTA114EE
Q1231
LDTC114EE
The underlined parts have been updated from the addendum of the previous version, or from the original page.
The waveform and voltage indications have been added on the original page.
1632
MP302
When TX on 145.02 MHz RTTY [Po=100% (100 W)/ANT=50 Ω termination].
*
Pattern coil
Q301
1 5
2
C310
3 4
100P
AFT05MP075NR1
1632
TX : 5.0 V
MP301
RX : 8.0 V
TX : 0 V
RX : 8.0 V
Q401
FK3503010L
8
V+
GND
4
5V
8V
14V
3.2 V
0.3 V
C1151 D1122 C1105 C1103 C1101
47P 1SV308 33P 18P 56P
D1123 R1124 R1122
1SV308 27 27
D1121
1SV308
C1121
TX : 7.8 V
0.01
RX : 0 V
When TX in the VHF band: 0 V
When RX in the VHF band with:
7.8 V
"ATT" ON:
0 V "ATT" OFF:
5V
8V
14V
Q1241
LDTC114EE
Q1222
Q1244
Q1242
LDTA114EE LDTA114EE
LDTA114EE
Q1221
Q1243
LDTC114EE
FK3503010L
TX : 3.2 V
RX : 0 V
10-14a
L601
1.5U
L501 L502 L503
LA-176 LA-179 LA-176
C502
C501
TX : 2.3 V
2P
RX : 8.0 V 9P
TX : 7.9 V*
R615
RX : 0 V
10k
R616
1
330
IC691
NJM2904CRB1
IC691
NJM2904CRB1 TX : 0.6 V*
*R665
8
RX : 0 V
V+
GND
R666
4 7
330
IC691
NJM2904CRB1
Table: D
EP701 R701
14V
MPZ2012S102A
1.5
Table: C
R703
Q702
470k
L2SA1576AR
Table: A
R704
VEPS
Q703
1.8k
LDTC114EE
Table: B
VEPL
Table: F
Table
When TX in the VHF band
When RX in the VHF band with "External P.AMP" ON
0 V
When RX in the VHF band with "External P.AMP" OFF
7.7 V
Explanatory notes
TX Line
RX Line
Voltage Line (14V)
Voltage Line (8V)
* Refer to the PARTS LIST for the value and name of components.
[144 MHz ANT]
Pattern coil
CP2
MP701
3768
L651
CP3
1.5U
D611
L1SS400
2
R611
3
4.7k
D661
L1SS400
6
R661
5
33k
EP702
Q701
MPZ2012S102A
Table: E
2SB1201
C E F
A B D
0 V 12.8 V 13.2 V 13.4 V 0 V 0 V
3.2 V 12.7 V 13.3 V 13.4 V 13.4 V 2.6 V
0 V 12.8 V 13.3 V 13.4 V 0 V 0 V