Pa Unit - Icom IC-M802 Service Manual

11-2-4 PA UNIT

C6851 0.01
Q6851
PD55015
R6852
1
DRIVER BOARD
J6702 R6101 L6101 C6103
39 0.22 0.1
YGR
from MAIN
unit J1
TX: 2.54V
J6703
L6703 100
KEY
START L6704 100
to TUNER 13.6
ANTC/GND
W6701
RX: 4.86V
J6701
PON
HV
HV
FANC
S13V
S13V
S13V
S13V
S13V
KEYS
to MAIN
STAT
unit J1901
ANTC
ICV
GND
L6501
GND
100
GND
GND
GND
THRM
T8V
TX: 7.48V
RX: 2.29V
Q6501
J6501
2SD1664
FAN+
to FAN
GND
R6510
1k
J6302
DRVO
DRVO
GND
GND
J6301
DRVI
DRVI
GND
GND
C6105 R6107 C6201
0.1 680 0.1
TX: 6.30V
Q6101
RX: 8.03V
2SK2973
TX: 3.59V
F6702
Q6602
DTC114EU
F6703 R6602
4.7k
L6701
EXCCL3225U
RL6701
AJS1311
Q6701
DTC114EU
TX: 2.02V
RX: 10.43V
D6702
RD10M
L6702
100
R6513
330k
6
7 -
5
+
IC6501
TS522ID
11 - 5
R6801 C6301
Q6801
560 0.1
PD55003
TX: 4.03V
R6802
TX: 0.47V
1
L6204
EXC-ELDR25C
L6303
TX: 7.97V
EXC-ELDR25C
TX: 7.30V
RX: 8.03V
Q6601
2AS1037AK
R6603
4.7k
IC6601
TA7808F
O I
G
MESUREMENT CONDLTIONS
frequency: 12.29 MHz
mode: J3E(USB)
*ANT(RX): no input
(TX): no modulation
Digital tester
unit: V
range: 20V
input impedance: 10M
L6401
EXC-ELDR25C R6409 2.2
TX: 0.69V
R6401 3.3
R6402 3.3
R6403 3.3
Q6401
SD1487
C6401 0.0068
L6301
LR-416
L6404
LR-400
L6402
EXC-ELDR25C
R6404 3.3
Q6402
SD1487
R6405 3.3
R6406 3.3
C6403 0.0068 R6410 2.2
C6419 TX: 1.36V
0.0047
Q6403
2SD1585K
R6413
220
R6507 2.2M
R6502
33k
R6509
100 2
1 -
3
R6503
+
33k
IC6501
TS522ID
RX: 0.15V
8
EP6601
V+
IC6501
GND TS522ID
4
L6405
J6401
LR-376
FLIN
from FILTER
board J7001
D6431 MA30PXB
J6411
C6431 0.047
VARI
VARO
GND
VARISTOR-1 BOARD
D6432 MA30PXB
J6412
C6432 0.047
VARO
GND
GND
VARISTOR-2 BOARD
EP6603
HV13V
HV13V
HV13V
HV13V
D6601
DF40SC4-4072
EP6602
GND
GND
GND
GND
PA UNIT