Icom IC-9700 Service Manual Addendum page 67

(Amended page)
June 2019
• PA-B UNIT
R52
IC51
0.002
1 6
REF OUT
2 5
38 mV GND IN-
R51
3 4
V+ IN+ R53
100
INA199A2
1k
EP21
OT-047
D22
DC-IN EP22
DF30SC4M
OT-047
Q201
PD85004
R204
0
L103
LQW15AN18NJ00D
TX : 5.9 V (Adjustment value: reference)
RX : 0 V
L102
TX : 3.3 V (Adjustment value: reference)
LQW15AN18NJ00D
RX : 0 V
R214
56k
L101
7
LQW18AN82NG00D
IC211
IC101 NJM2904CRB1
TX : 5.0 V
RX : 0 V
MMG3H21NT1
Q111
RZF020P01TL
UT5V
R103
820
R101
820
J101
Q112
LDTC114EE
UTXS
MAIN UNIT
(10/13)
EP15 IDLP
MMZ1005Y102CT
R16 PWRS
100
EP3
EP2 MPZ2012S102A
MPZ2012S102A
J1
30
29
28
27
26
25
23 24
21 22
EP4
19 20
MMZ1005Y102CT
EP5
17 18
MMZ1005Y102CT
R6
15 16
100
R7
13 14
R8 100
11 12
R9 100
9 10
R10 100
7 8
EP11 100
5 6
EP12 MMZ1005Y102CT
3 4
EP13 MMZ1005Y102CT
1 2
EP14 MMZ1005Y102CT
MMZ1005Y102CT
MAIN UNIT
(4/13)
PHV
TX : 2.1 V* 13.7 V
RX : 0 V
IDLP
F22
1 2
1205
F21
14V
1
FHA010 Transceiver power
Q31
ON: 1.3 V
TJ50S06M3L
OFF: 13.6 V
Q32
LDTC114EE
R32
PWRS
10k
EP221
MPZ2012S102A
C301
56P
IC211
IC211
NJM2904CRB1
6
3 NJM2904CRB1
1
R211
5
2
10k
R314
0
0.5 V (Ambient temperature=25°C)
TX : 0 V
MAIN UNIT
(10/13) RX : 6.2 V
FI1191
TA1808A
C1192 C1191 R1188 C1183 R1183
2 1
O I
0 180
10P 10P 12P
TX : 0 V
RX : 5.0 V
Q1181
MT3S20P
L1191
47N
C1185 C1182
0.1 10P
5.0 V
5V
8V
8.0 V
UDIDV
UFIDV
UTXS
URXS
UATONS
UPONS
UEPS
UEPL
UTHML
UREFL
UFORL
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.
J41
5
4
MAIN UNIT
HV EP41
3
(4/13)
MPZ2012S102A
2
EP42
1
MPZ2012S102A
Transceiver power
ON: 13.6 V
OFF: 0 V
Q301
1 5
Pattern coil
C330
2
100P
3 4
AFT05MP075NR1
1632
MP301
Q401
LDTC114EE
Q402
DTA143ZU
8
V+
GND
4
TX : 0.1 V
RX : 13.6 V
When TX in the 430 MHz band: 0 V
When RX in the 430 MHz band with:
TX : 0 V
"P.AMP" ON: 1.9 V
RX : 1.3 V
"P.AMP" OFF: 0 V
R1181 L1172 L1171
0.1U 0.1U
0
C1175 C1176 C1178 C1177 C1172 C1171
3.5P 3.5P 3.5P 3.5P 3.5P 3.5P
When TX in the 430 MHz band: 3.6 V
When RX in the 430 MHz band with:
L1161
"ATT" ON:
18N
"ATT" OFF:
IC1161
R1164
1 6
RFOUT1 VCTL
2 5
680 GND GND
3 4
C1162
RFOUT2 RFIN
0.01
NJG1152KA1
C1163
0.01
TX : 0 V
RX : 3.3 V
IC1162
1 5
VIN VOUT
2
VSS
3 4
ON/OFF NC
S-1200B33
8V
Q1222
LDTA114EE
Q1221
LDTC114EE
TX : 0 V
RX : 3.2 V
TX : 3.1 V
RX : 0 V
10-15a
Table
When TX in the VHF band
C61
When RX in the 430 MHz band with "External P.AMP" ON
C62 0.1
C68 0.001 When RX in the 430 MHz band with "External P.AMP" OFF
47P
PA-A UNIT
10 9
J61
PA-C UNIT
Explanatory notes
TX Line
L501 L502
RX Line LA-69 LA-69
C502
Voltage Line (HV)
C501
1P
1.5P
Voltage Line (14V)
Voltage Line (8V)
D401 D402 TX : 0.9 V
RX : 0 V
L407CD L407CD
D403 D404
L407CD
L407CD
TX : 2.4 V
RX : 0 V
C403
12P R615 D611
4.7k L1SS400
TX : 13.4 V 2
D405
1
RX : 0 V
3
IC691
L8104
NJM2904CRB1
C405 D406 R617
100P 10k
L8104
C612
UFORL
0.001
R403
C409
100k
TX : 0.9 V
0.001
RX : 0 V
EP701
R404 MPZ2012S102A
47k C404 TX : 4.7 V*
Q403 RX : 0 V
5P
FK3503010L
8
C406
V+ IC691
GND NJM2904CRB1
470P
4
TX : 0.4 V*
Table: A
RX : 0 V
D1122
3.2 V
3.9 V 1SV308
D1123 R1124
27
C1151 1SV308
C1154
8P
5P
When TX in the 430 MHz band: 0 V
TX : 7.8 V When RX in the 430 MHz band with:
RX : 0 V "ATT" ON:
"ATT" OFF:
TX : 0 V
RX : 7.5 V
Q1232 Q1242
DTA143ZU
LDTA114EE
Q1231 Q1241
LDTC114EE
LDTC114EE
When TX in the 430 MHz band: 0 V
When RX in the 430 MHz band with:
"ATT" ON: 3.2 V
"ATT" OFF: 0 V
When TX on 435.02 MHz RTTY [Po=100% (75 W)/ANT=50 Ω termination].
*
* Refer to the PARTS LIST for the value and name of components.
A B C D E F
0 V 13.1 V 13.5 V 13.6 V 0 V 0 V
3.2 V 12.9 V 13.5 V 13.6 V 13.6 V 2.7 V
0 V 13.1 V 13.5 V 13.6 V 0 V 0 V
L651
0.18U
Pattern coil
UHF
CP1
ANT
CP2
CP3
L601
0.18U
*R665 D661
L1SS400
6
7
5
IC691
NJM2904CRB1
R667
10k
C662
0.001
Table: D
R701
1.5 Table: E
Q701
2SB1201
Table: C
R703
Q702
470k
L2SA1576AR
Table: B
Q703
LDTC114EE R704
1.8k
Table: F
C1105 C1103 C1101
9P 6P 470P
R1122
27 C1121
470P
D1121
1SV308
C1122
0.01
7.4 V
0 V
Q1244
LDTA114EE
When TX in the 430 MHz band: 0 V
When RX in the 430 MHz band with:
"ATT" ON: 0 V
Q1243
FK3503010L
"ATT" OFF: 7.3 V
When TX in the 430 MHz band: 0 V
When RX in the 430 MHz band with:
"ATT" ON: 0 V
"ATT" OFF: 7.5 V