Icom IC-A210 Service Manual page 96

(Amended page)
July 2019
• PA UNIT (for only IC-A210)
J500
MOD
1
GND
2
J501
R500 R502 C507 R553 R548
18
0 100P 0 22
RX: 0 V
TX: 1.6 V
10.3 V
10C
J502
RX: 0 V
GND
1 TX: 8.1 V
8T1
2
8T2
3
PCON
4
PROTECT
5
10C
6
8T2
R541
C588
470k 0.1
10C
RX: 10.4 V
C517
TX: 23.1 V
RX: 10.3 V
470P
TX: 17.5 V L506
L505 C521
R506 27.2N C3328A
C513 L503 100P
56N 4.7 Q501
15P
2SK3075
Q500
2SK3074
8.2k
R542
R509
1SS355
R535
NTCG16
D507
Q503 5
3
DTC144EU
4
1
IC501 2
TA75S01F
Q502
DTC144EU
RX: 0 V
TX: 5.3 V
R514
100
RX: 0 V
TX: 8.1 V
8T1
PCON
The underlined parts have been updated from the previous version of the addendum, or the original pages
L509
LR-89
8T1
R546
150
C585 RX: 13.6 V
TX: 30.5 V
56P
L512 L513
AS100340 AS100340
L507 L508
8N 8N R518 Q504
MRF137
0
8.2k
C536
100P
R512
R513
10k
56k
R517 R524
22k 33k
R520
100k
C591
0.1
9-7g
PA (A210) UNIT
R545
0
R528
100
L514 L516 C562 D502 C569 LA-263
AS100340
LA-244 0.001 0.001
MA4PH224
R526
100
Explanatory notes
.
TXOUT
J503
L521 L522 L523
LA-253 LA-263
C577
8P
RX
J504
TX Line
RX Line
Voltage Line (10V)