Icom IC-9100 Service Manual page 152

• PA-A UNIT (PA-A-2)
R206 C206
560 0.047
R204
C201 LR-274
L202
100P
0
HYGR
R202 C204 LR-270
HYGR
From RF-A L203
Q201
18 0.1
(1.8–54.0 MHz) RD01MUS1
HPID1V
HDID1V
8
HDID2V
7
HFID1V
6
HFID2V
5
4
VUHV
3
2
100
1
R377
J351
R384
8
390k R383 3.3k
V+ 6
220k
R385 R375
I C371 GND 3.3k 7
MA2S7280G R381
NJM2904V 4 5 220k
D372
330k
20 IC371
19 NJM2904V R382
18
D371 MA2S7280G HTHL
17
FIDL
16
R401 IPD L FIDH
15
220
14
R404 HTHL
13
R405 220 FIDL
12 HFID1V
L431
R406 220 FIDH +5V
11
220
10 10U
EP410 EKEY MMZ1608Y121BT
9
EP411 ESTA MMZ1608Y121BT
8
7
R413 220 DRESL5
6
R409 220 PAASTB5
5
R412 220 PASTB5
4
R410 220 MCK5
3
R411 220 MDAT5
2
1
J401
To the int. speaker
SP+ EP451
2
SP- EP452
1
MPZ2012S601A
J451
MPZ2012S601A
J402
SPO
11
SPE
10
EP406 M PZ2012S221A +5V
9
EP404 M PZ2012S221A +10V
8
EP405 M PZ2012S221A +8V
7
EP408 M PZ1608S221A
6
EP402 M PZ2012S221A +14V
5
EP403 M PZ2012S221A
4
EP401 MMZ1608Y121BT R414 0 H14V
3
R407 220 PWRS
2
1
J403
1
EP420 14V
2
EP421 14V
3
EP422 -12V
4
EP423 10V
5
EP424 8V
6
7 MPZ2012S221A
J462
8 MPZ2012S221A
L461 220U EKEY
MPZ2012S221A 1
L462 220U ESTA
2
MPZ2012S221A
EP461 14V
3
MPZ2012S221A
EP462
4
MPZ2012S601A
M PZ2012S601A
R223
180
C222 R242 C244
Q221
RD15HVF1
0.01 0 0.0068 R244
D244
L221
1 6
DA2S10100L
3
2
D245
4 5
LR-530 R245
3.9k
R243 C245
C221 0 0.0068
Q222
RD15HVF1
0.01
R224
IC301
R303
NJM2904V
180 R309 D353
56k 3
R304
1
470
DA2S10100L
2
100k
R307
56k
IC301
R305
NJM2904V
R310 D354
56k 5
R306
7
470
DA2S10100L
6
100k
R308
NJM2904V
56k
C302
0.1
C303
0.1
R343
R374 1.5M
0.02
R373
2
33k
1
R371
3 33k
N JM2904V
I C371
R372
1.5M
HFID2V
IC431 +8V
R121
+10V
VCC VDD
11 10 HPID1V +5V
AO11 AO10 3.3
12 9 HDID1V
AO12 AO9
13 8
HDID2V
NC AO8
14 7
LD AO7
15 6
CLK AO6
16 5
DI AO5
17 4
AO1 AO4
18 3
AO2 AO3
19 2
GND NC
20 1
BH2221FV
IC432
10U
1 16
STR V+
2 15
D OE L432
3 14 L5
CLK Q5
4 13 L6
Q1 Q6
5 12 L7
Q2 Q7
6 11
Q3 Q8
7 10
Q4 Q'S
8 9
GND QS
CD4094BPWR
L1
L1
L2
L2
L3
L3
L4
L4
L5
L5
L6
L6
L7
L7
+14V
10 - 19
R248
47
C246 R249
47
0.0068
R281
HPAO
PA-A-1
HPAO
0
R246
1 Q241
RD100HHF1C
3.9k L242
L241 1 5
2
3
4
DA2S10100L
LR-400 LR-529
R247
1 Q242
RD100HHF1C
C247 R250
0.0068 47
R251
47
EP3
OT-047
R359
C368
0
To PA-B
8
0.0047 IDETHV
R362 R364 R363
V+
GND
IC301 68k 33k
330
4
EP4
OT-047
C369
0.0047
R365 R366
+8V 68k 33k
FIDL
FIDH
HTHL
C13
0.047
C12
470
C11
470
D3
DSA3A1
D2
DSA3A1
D1
DSA3A1
+14V C10
0.0047
C9
220P
C8
Q51 C53 0.1
IC121 KRC402 0.01
D51
TA7805F
L2
KDS4148U
LR-386
O I
G
C5 C4
0.0047 0.0047
C3
470
L1
EP2 LR-386 EP1
OT-047 OT-047
C2
0.1
C1
PGND PHV
0.68
H14V
PWRS
+14V
PHV