Icom IC-A24 Service Manual page 34

SDATA
SCK
D A1STB
VCC
T:6.8
R:0.0 2SB1132
Q7
R37 R33
Q8 D6 C45 C42
2SC4211
82 0.001 0.001
MA7 7
TXC MA111
D7
1.5K
R327
R330
100
Q61
UNR9210J
AGCOF F
T:0.0
R:4.3
R5C R5S
UNR9115J
Q20
*Q19
VORON
D18 R99
MA785 47K C111
0.01
Q18 2SC4215
R102 R101
2SC421 1
100K 330K
C197
0.01
C411 0.001
0.001
C412
470
IC5
R243
1 16
STR V+
SDATA 2 15
D OE
SCK 3 14
CLK Q5
4 13
Q1 Q6
5 12
Q2 Q7
6 11
Q3 Q8
7 10
Q4 Q'S
8 9
GND QS
BU4094BCFV
J6
PDATA 1 40
RSSI
2 39
RFSTB VORDET
3 38
+5V VORON
4 37
PCK RFDETV
VCC 5 36
6 35
PSTB 7 34 DA1STB
BEEP 8 33 TXC
D CIN 9 32 VIN
HV 10 31 CLONE
CHGC 11 30 SCK
CHGIH 12 29 SDATA
CHGVH 13 28 JACKDET
EXTREGC 14 27 SBATT
INTMIC 15 26 PTT
OE 16 25 DETOO
17 24
18 23
19 22
20 21
AXK5S40245P
LIGHT
PTT
R211
390K
• RF UNIT
IC16
GND
5
DI
6
CLK
7
LD
8
M62343GP
T:3.1
R:0.0
180
C40 C36
L56
82N 0.001
8P
T:3.5
L55 C41 R250 C35
Q6
R:0.0
2SC4403 Q5
82N 18P 10 56P
2SC4211
Q4
2SC3357
T:0.0
R:4.7
2SD1819A
Q14
*R80
T:0.0
*FI 2
R:3.9 R87 C104 R82 C100
O I
0 100 0.01
C108 0.01
Q17 Q16 Q15
2SC4215
0.01
2SC4215
R267 R268
5.6K 5.6K
C409 0.001
C410 0.001
IC17
1 24
VIN1 VIN8
2 23
VOUT1 VOUT8
3 22
VOUT2 VOUT7
4 21
VIN2 VIN7
5 20
VDD GND
6 19
LD RESET R306
7 18
CLK VDAREF
8 17
DI DO R155 27K
9 16
VIN3 VIN6
10 15
1M
VOUT3 VOUT6
11 14
VOUT4 VOUT5
12 13 1M
VIN4 VIN5 5 R154
3
M62363FP 4
R153
1 R339
R340
2 1M
IC13
NJM2107F
C116
0.22
Q52
+5V
4 3
5 2
6 1
XP4315
R231 C254 C251
0 0.1 0.1
NJM2107F
R214
*C258
100K
*C227
6 IC18
IC18
R242 R247
2 7 9
R216 R217 47K C224
1 5 8
47K 47K
3 10
47K 47K R218 4.7
LMV324IPW
IC18
LMV324IPW
LMV324IPW
C249
0.001
VCC
4
AO3
3
AO2
2
AO1
1
EP16
MPZ2012S221A
MPZ2012S221A
4 3 R248
22K
5 2
D37
MA2S111
6 1
R322 R320
33K
Q56
R332 XP4601 3.3K
R16
27K
0
C30 L8 R219
39P 27N 2.7
Q2
RD12MVS1
L11
Q3
RD01MUS1
47N MP 1
2791
T:0.0
R:3.7
0.01
IC1 C90
L80 L82 L81
1 16
OSCIN MIXIN
2 15
OSCOUT GND 1U 0.15U 0.15U
3 14
MIXOUT N-REC
4 13
VCC N-DET
5 12
IFIN RSSI
6 11
DEC I FOUT
7 10
FILOUT QUAD
8 9
0.22 U 0.22U FILIN AFOUT
L86 L85
TA31136FNG
R72
R274 5.6K
R73
C401 C399
27K 0 470 R269
9P 24P
82P 150P 82P
C402 C400 C398
Q33 2SC4116
X2
L59
1 3 1 5
GND OUT
2 4
GND VCC 0.82U
2
CR-791
L60
0.22U 0.22U
3 4
L73 10U
L74 L75
0.82U
C367 C369
Q57
XP1113
24P 9P
R346 0
IC3
1 16
FIN1 CP1
2 15
GND VCC C359 R252 R253 R134
0 3 14
CLK XIN
0 4 13
DATA XOUT 0.001 0 0 1k
5 12
STB BO
22K
6 11
R341 BS1 LD
7 10
0 BS2 GND R133
8 9
FIN2 CP2 R251 CP4
Q45
TB31207AFNG 2SK880
1M
C362
22P
R235
1
5 470K R234 C259
4 3 2
100K 0.1 R227
R149
1 34
IC19 2 1k
10K
Q51
UNR9211J
0.01 0.015 22K
C242 C244 R225
R220
470
PTT
4
V+ IC18
GND
11
R210
C223
R161 1 1k
LMV324IPW
56K
R160
13 IC18
R244 R246 C202
14
47K 12
1k 1.5K 1
LMV324IPW
R338
0
C19
220P
R6
Q1
33K
XP1401
T:0.0
MP 3 2791
R:4.6
FL-378
Q13
2SC4215 C78
OUT GND *L83 Q12
C61
2 3
GND IN 3SK299 100P
L78 C87
4 1
0.001
1.5U 0.001 *R350
*FI1
*R336
C80
T:0.0 68
C76
R:1.2 0.001
5P
ACZ1005Y
C308 EP13
L57 C302
C310
8P
10U
220P C316 C156
1.5P 0.001
Q29
Q58
2SC4403
2SC4226
L72 C340 C306
8P
10U 220P
C155
ACZ1005Y
33P
C309 EP14
C318
Q60
2SC4226
0.5P
MA2S304
C336
L58 M A2S304 C315
CP06S
27P
10U 0.001
C317
1.5P
Q59
2SC4226
L71 C337 C311
MA2S304 27P
10U 0.001
MA2S304
R192
330K
VCC D19
RB060L
D23
T:6.8
MA133
R:7.1
XP1501 2SB1132
Q36 Q25
HAT1024R
5 Q24
1 8
S1 D1
2 7
T:0.0 G1 D1
3 6
(T:6.7 SideTone ) S2 D2
4 5
R:7.1 G2 D2
D22
R145
M A2S728
6.8K Q26
UNR9211J
T:6.7
R:0.0
D27
R107
150
MA111
R226 C245
100K 0.0047
MA2S111
D36
R224
Q50
33K
2SA1586
D52
M A2S111
IC6
1 10
NC POUT
2 9
VCC PWGND
3 8
R146 NC PREGND
C185 R140
4 7
VIN PHASE
5 6
4.7
0 RIPPLE NF
0
TA7368FG
11 - 2
• RF UNIT
47
R2
C10 D1 C8
0.001 0.001
HVU131
C6
C4 C211
3P 7P 7P
C56
0.001
82K
R78
T:0.0
R:4.8
T:0.0
R:4.7
R41
180K
L17
Q10
4.7U
Q9
2SD1819A
2SD1819A
C67 C62 C329
C74 C70
Q11
100K
3SK293
1P 1P 0.001 R47 0.001 0.001
1SV271
C58
M A2S077
C72 7P D29
D43
5P
R272 C190
4.7K
T:0.0 0.001
R:0.3 3
Explanatory notes
VOLTAGE LINE
C154 TX LINE
0.001
RX LINE
R118 R116 R313 C151 C150
47 0
15 0.001 15P
Q28
2SC440 3
M PZ1608S221A M PZ2012S221A
EP15 EP3
HV
MA133
J1
D21
HEC2711-01-020
Q39 R189
1k
UNR9213J
R187
Q41
2SC4617
R181
1k
R275
270
470
EP4
R188
MPZ2012S221A
56 CP06S
VCCBT
CP3
CP06S
GNDB T
CP2
SBATT
EP5
M PZ2012S331A
EP6 MPZ2012S331A J2
EXTPTT
EP7
MPZ2012S331A HSJ1122-010010
R349
EP10 J5
C195 1K EP11
EXTSP
100
C221
H SJ1493-01-010
100
W10000
J4
1 1
SP1
2 2
BM02B-ASRS-T F
*; Refer to "PARTS LIST."