Pa Unit - Icom IC-F7000 Service Manual

12-2-4 PA UNIT

C6851 0.01
Q6851
PD55015
R6852
1
DRIVER BOARD
R6101 L6101 C6103
J6702
18 0.22 0.1
YGR
from MAIN
unit J1
TX: 2.54V
J6703
GND L6706 HF70ACC635050-T
13.8 L6705 HF70ACC635050-T
TUM4 L6707 EXC-ELDR25C
TUM2 L6708 EXC-ELDR25C
TUM1 L6711 EXC-ELDR25C
to TUNER TURS L6710 100
TSCS L6709 100
TUM3
STAT
KEY
R6701
33
Q6702
2SB1201
Q6704
2SD1801
RX: 4.86V
J6701
PON
HV
HV
FANC
S13V
S13V
S13V
S13V
S13V
S13V
KEYS
STAT
TULK
TUM4
TUM2
to MAIN
TUM1
unit J1901
TURS
TSCS
TUM3
ICV
GND
GND
Q6706
GND
2SD1801
GND
GND
GND
GND
GND
THRM
T8V
J6501
FAN+
to FAN GND
J6302
DRVO
DRVO
GND
GND
C6201
0.1
J6301
DRVI
DRVI
TX: 6.30V
GND
RX: 8.03V
GND
TX: 3.59V
C6105 R6107
0.1 270
Q6101
RD01MUS1
R6106 R6114
4.7k
ERJ3GE-JPW
D6706
SB20-03P
S13V
C6715
0.047
D6705
SB20-03P
D6703
MA2S111
D6704
SB20-03P
R6706 R6707
33 33
L6701
EXCCL3225U
Q6703
2SD1801
RL6701
JV-12-KT
Q6705
2SD1801
Q6701
DTC114EU
R6519
RX: 2.02V 1k
S13V S13V
L6702
100
D6707
SB20-03P
Q6602
DTC114EU
R6604
10k
12 - 5
R6801 C6301
Q6801
270 0.1
PD55003
TX: 4.03V
R6802
TX: 0.30V
1
L6204
EXC-ELDR25C
F6702
TX: 7.97V
L6303
EXC-ELDR25C
TX: 7.30V
RX: 8.03V
Q6601
F6703
2SA1037AK
R6603
4.7k
Q6403
2SD1585K
IC6601
TA7808F
O I
G
Q6501
2SD1664
RX: 10.43V
D6702
RD10M
TX: 7.48V
RX: 2.29V
R6513
330k
R6510
1k 6
7 -
5
+
IC6501
NJM2904M
R6602
4.7k
MESUREMENT CONDLTIONS
frequency: 13.8 MHz
mode: J3E(USB)
*ANT(RX): no input
(TX): no modulation
Digital tester
unit: V
range: 20V
input impedance: 10M
L6401
EXC-ELDR25C R6409 2.7
TX: 0.69V
R6401 3.3
R6402 3.3
R6403 3.3
Q6401
SD1405
C6401 0.0068
L6301
LR-416
L6404
LR-400
L6402
EXC-ELDR25C
R6404 3.3
Q6402
SD1405
R6405 3.3
R6406 3.3
C6403 0.0068 R6410 2.7
C6419
J6411
TX: 1.36V
0.0047
VARI
VARO
GND
R6413
J6412
220
VARO
GND
GND
Explanatory notes
VOLTAGE LINE
TX LINE
R6509
R6502
680 R6507 2.2M 33k
R6503
2
1 - 33k
3
+
IC6501
NJM2904M
RX: 0.15V
R6516
10k
8
EP6601
V+ IC6501
NJM2904M
GND
4
L6405
L6408 J6401
LR-438 LR-263
FLIN
from PLL
unit J7001
D6431 MA30PXB
C6431 0.047
VARISTOR-1 BOARD
D6432 MA30PXB
C6432 0.047
VARISTOR-2 BOARD
EP6603
HV13V
HV13V
HV13V
HV13V
EP6602
D6601
MBRB4030 GND
GND
GND
GND
PA UNIT