Icom IC-F1610 Service Manual page 37

11-2 MAIN UNIT
J2
SPE
AFO SP
PAMIC
1/2VDD
PAAF
5.04V R298
R319 R304
R239 100 100 R303
C307 C87 100k
10k 0.1 IC5 100k
2.54V 2.2
R382 M62363FP
IC9a
1k 1 24
TA75W558FU VIN1 VIN8
2 VOUT1 VOUT8 23
3 8 R421 1 22
3 VOUT2 VOUT7
1 4 21
W3 VIN2 VIN7
2 5 20
VDD GND
DSTB 6 19
4 LD RESET
DCK 7 CLK VDAREF 18
17
DDA 8 DI DO
9 16
C230 VIN3 VIN6
2.2 10 15
R238 2.54V VOUT3 VOUT6
C231 11 14
10k 0.001 R420 VOUT4 VOUT5
12 VIN4 VIN5 13
15k
CENC
NOIS C412
C85
0.001
0.1
5.02V
R228 C299
100
0.1
C237 C103 R188
C226 10 0.01 15k
1
R185
SQL MIN 5.01V 18k
C235 R189
C224 0.047 47k
10
R232
100k 2.39V Q64
R230 R412 DTC144EU C104
8 1k 2.2 R187
100k 3 47k
1
R231 R242
100k 2 3.3k
C225 R243 C102
390p 1.5k
4 0.01
Q10 Q9
2.46V
C228 IC21A 2SC4081 2SC4081
C105
0.0068 TA75W01FU
NWC 470p
R190 SQL MIN 0.6V
BEEPOUT C514 IC502
22k
0.1 TC7S66FU
R197 R193 R521 R520
C202
BEEP 33k 22k 5 4 180k 10k
0.0022
1 2
R593
R192 R194 Q505
R191 C201 18k
470 22k 1k 0.1 3 DTC144EU
5.09V R400
R522
R195 240k
Q35 220k
C200 240k 2SC4081
2.2 C247 R302
5 1 12k
0.1
DTMF 4 C546
R196
R258 3 680p
27k C516 C515
12k 2
0.64V 10 0.1 R401 C229 R596
IC503 0.1
C524 180k 56k
0.0033 C234 TA75S01F
0.1
R551
R317 R523 C517
33k 47k
MICOUT R248 150k R342 68k 0.1
68k
MICIN
C246 IC22
0.96V C233
0.018 UPC5023GR 0.1
R247
MIC
150k 16 IN1- TONE1 1
R249 15 TONE2 2 R240
47k OUT1 68k C238 R544
14 3 100k
IN2- TONEOUT 100p
13 IN5- 4
0.96V OUT2A
12 IN3+ 5
R250 82k OUT2B
R251 11 REF OUT3 6
10 IN4+ 7
4.69V 560 GND
9 OUT4 8 C426
VCC
30p
R244 R246
47k 47k
R297 R392 47k R418
47k
100
C239
C244 C245
0.047 2.2 0.01
C243 R245
2.2 C523 47k
Q65
0.01 C240
0.0022 2SK1829
SIGOUT C242
0.001
1/2 VDD
+5
J5 PAAF
VCC VCC
VCC
SP L48 0.56
SPE +8V
+8V MCON
L502 0.10
FRONT FTXD
C289
UNIT FRXD
L62 0.10 0.001 IC25
J2 POSW C356 R295
TC4W66FU 100
MICE L47 0.56 47p
MIC 1 8
GND 2 7 PA
L63 1
AFO R296 3 6
4
C355 100k 5
0.001
R309 R294
100k
1k
C288
0.001
C291 C290 C526 R291 R292 R293
47p 100k
0.001 0.001 100k 100k
R324 R322 R216
1M 1M 100k
R323 R215 R217 C293 R404 R405 R308
100k 100k 100k
1M 100k 100k 0.001
J6
R307
AXN330C038
100k
OPV1 OPV1 15 16 SCK CCK
OPV2 OPV2 14 17 SI CSI
OPV3 OPV3 13 18 SO CSO
GND 12 19 CIRQ
CIRQ
OPT3 OPT3 11 20 CCS CCS
OPT2 OPT2 10 21 REM
OPT1 OPT1 9 22 AF OUT AFOUT
23
SIG OUT 8 DISC DISC
MDWN 7 24 RMUT
BUSY BUSY 6 25 BEEP OUT
AUX AUX 5 26 AFON
MIC IN 4 27 MMUT
28
MIC OUT 3 VCC
2 29 +5V
PTTI PTT OUT
PTTO PTT IN 1 30 GND C292
0.001
R592
470
R591
C560 C559
1k
2.2 0.1
BEEPOUT
R590
C558 240k 2.25V
0.1
Q516
2SC4081R
R589
27k
0.64V
LEFT SIDE
11 - 2
DATA BUS
R162
10
C354 L57 C344
1 +5V
0.001 0.001 PSET
C184 +18V
0.001 L44
R348 C563 C362 R148 47
3.9k 0.56 R374 PLLIN
0.001 33k 0.1
C557
Q56 LOCK 5.03V UNLK
47 R173 R387 R172 DTA144EU UNLOCK0.30V
R388
10k 1.2k 10k IC12 MC145190F R135 R134
C301 0.001 R160 1k 5.6k 10k
1 REF_O REF_I 20 PDA
2 19 R:2.31V
NTCCF20123FH LD DATA_I R159 1k D40 T:2.24V Q21
R156 3 18 PCK
2.47V R CLK 1SV217 2SC4226
1M C414 4 17
0V V ENABLE R158 1k C168 C167 R136
Q33 Q32 5 16 PSTB 1SV217 47p
R171 1k VPD OP_A 33p 4.7
2SA1576 16.75V 2SC4081 6 PD_O OP_B 15
0.001 7 14 PLLT
GND VDD L40
Q31 Q30 8 13 D19 C165
RX TEST2 0.68
FMW2 FMS2A 9 12 R146 L39 10p
C176 TEST1 VCC
5 1 2 3 10 11 47 3.3
33p R316 FIN FIN
R336 D20 L35
4 4 47k 1SV217 3.3
4.7k R157
R301 5 1M
100k D41 L38 C166
3 2 1 MC152
5.04V Q25 Q26 1SV217 10p R137
R335 DTC144EU DTA114EU C169 R:7.57V R:1.62V 1k
4.7k 0.001 C159
T:8.20V T:1.78V
R:7.57V C351 C303 C187 0.001
T:8.20V
17.22V 0.001 470p 10 R147 D42 R139
R138
470 1SV217 5.6k 10k
R184 C170
100 D21
C422 0.022 1SV217 24p
2.25V
R155 R153
1k C182 L42 Q23
R186 3.3k C183
0.001 4.7 3.3 2SC5110
820 Q29 L41
Q52 2SK1069 D22 1.2 C173 R140
R154 680 68p 4.7
2SK1069 1SV217
IC13 R:1.82V D43
TC4W66FU R337 C218
1 T:1.95V 1SV217
1 8 1k 0.86V C171
D23 1SV214
2 7 9p
D38 R151
1SS355 3 6 R299 R344 10k
4 5 10k R150 C174
220k 330k L37
2.5p 3.3
L58
R310 R152 R145
C179 R300 C178 C177 C353 1 C348 L43 C172
1M R369 33k 100k 470
C302 0.22 470p 470p 0.001 0.001 MC152 10p R141
C181 100k 820
1 0.1
4.99V
R:1.85V
D46 T:1.75V C164
+5V 1SV214 0.001
R:1.81V
2.51V
R378 R380 C419 T:0V
2.50V 82k 0.001 R169
22k R381
R375 1k C564
4.7k IC29 100
0.001
TA75S01F
R163
5 1 VCC OUT 2
R376 1 100
20k
4 4 GND 3
W7 VCON
3 C191
X501 R170 0.001
2
C556 R377 CR-573 8.2k L46
10k 2.51V C365 C366 0.56
1 R379 0.001 2.2
22k
C340
0.001 R583
C185 C186
2.2 1k
0.001
C364
C214 10
10
C212 0.001 XRTS
XCTS
XTXD
XRXD
C539 0.68
R224 C197
10k 10 SIFT
VSS
D507 C540 0.1
HSU88
R222
100k
C541 0.1
5.01V
5.01V
Q48
2SC4116 R270
C269
R271 10k
220k 0.22
1 NC 5
C555 OUT
2
0.001 R561 VDD
1k 3 VSS NC 4 1 RES
R562 2
R269 XTAL
220k 470k 3
2.02V IC19 EXTAL
R255 S-80742SL 4
10k D36 R268 C268 R325 VCCB
1SS355 5
100k 0.1 100k MD1
MA77 XTAL 6 MD0
R389 D503 R516 12k R580 7
SIFT NMI
47k IC21b CPU5 1k 8
TA75W01FU R574 FVPP/STBY
EXTAL 9
2.02V 1k VCC
5 AUX 10
C251 C320 R517 C511 KEYIN15/PA7
0.1 0.047 7 12k 0.01 11 KEYIN14/PA6
6 12
X4 FRNT SCK0/P52
C250 CR-567 W506 RXD 13
R257 C512 C513 RXD0/P51
0.1 9.8304 MHz TXD 14
22k 0.01 33p TXD0/P50
R575 15
C321 VSS
CCK 1k 16 SDA/WAIT/P97
47p R518 17
R341 R256 C217 C216 CSI P96
12k 7p 22p CSO 18
10k 390k AS/P95
f=9.83 MHz CCS 19
WR/P94
5.0Vp-p 20
8.04V KEYIN13/PA5
21 KEYIN12/PA4
22
+8V PTTO RD/P93
FTXD D37 PTTI 23
IRQ0/P92
FRXD 1SS355 f=9.83 MHz AFON 24
5.0Vp-p EIOW/IRQ1/P91
C527 0.1 CIRQ 25
R530 L5V ECS2/IRQ2/P90
R576
3.3k Q50
R533 C363 R326 1k
IC505 100k DTA114EU 0.1 100k
BU4066BCFV R532 R281
7.96V
1 14 100k 100k
I/O VDD R579
2 O/I CONT.A 13 0V 1 8
3 12 2 7 BUSY 1k
O/I CONT.D RXD
R531 4 11 3 6 TXD
4.98V I/O I/O R578
1k 5 10 Q51 4 5
CONT.B O/I 1k
6 9 DTC114EU
CONT.C O/I
7 VEE I/O 8 R283 IC26 R573
100k 1k
TC7W04FU OPT3
AFV OPT2
FRNT OPT1
D505 Q507 MMUT
R534 R321
DA204U 5.04V DTC144EU 100k
1M 5.02V
R572
CPU5 NOIS 1k
L5V OPV3
OPV2
ESI OPV1
ECS1 ECS2
R285 R284
100k
PTT 100k
1 VCC 8
CS
2 HOLD 7 CPU5V GND AFV
SO 1 2
3 WP SCK 6 ECK ECS2 3 4 ESO
4 SI 5 ESO ESI RXD
VSS 5 6 ECK
J7 RMUT
IC27 C272
X25650S8I-2.5 0.1 R581
1k
CPU5
L5V
EEPROM BUS
AF BUS
VCC
+8V
DISC
DMOD
AMOD
PAAF
1/2VDD
W508
+5V
PSET
+18V
T8V
7.00V Q55 8.02V
L30
C155 2SC4081 0.56
0.001
R131 R:7.16V IC11
220 T:0V R371
C322 R:2.76V SC-1188
C154 R125 R31 R26 4.7k
10 C152 680 47p T:0V R366
L33 470p 4.7k 220 100
82n 2.11V
2.68V C43
C157 0.001 0.001
R132 7.04V R126 C148 C294 L17 C339 7.71V
C151 56n C45 EP3 EP3
C156 10k Q19 6.8k 0.001 0.001 R27 1
10p 0.001
47p 2SC5110 L18 3.3k
4.23V
Q18 3.3
L508
2SC5110 C42
L51 33p 56n
Q3 MT8V
C158 47n C149 D18 C47
R586 18p MA77 2SC5110 C561 C370
0.5p 6.8k 1.98V 9p
39p 0.001 C411
C338 22
R587 R28 33p R108
6.8k R:4.44V 2.2k R25 L26 C136 C410
Q27 C311 C312 470p 4.7
DTA144EU T:0V 270 C44 0.56 22
7p 18p
R:0V 0.001
Q22 T:1.79V R127 C310 R:2.10V C399 C122
R133 C153 R:0V
DTC114YU 470 0.001 1.80V 470 18p T:0V 470p 0.001
T8V T:1.36V D16
DA221
R128 C135
R:6.30V C323 R119 R114 R113 R109 L25 R340
C160 10 0.001 22 470p 22 2.2k 68n C130
0.001 T:6.23V R:0.96V 4.7k 150
T:4.89V 0.001
C139
C162 0.001
C145 C140 C137 R115 R110 C121 C376
0.001 L32 R331 560 470p
82n 470p 0.001 0.001 3.9k 0.001
R129 6.95V 470 L27 C129 L24
C161 8.2k 82n L23
C131 R:0V 33p 47n 47n
47p R120 T:0.43V
C150 R122 C297 L29 0.001
10p 8.2k
18 0.001 3.3 C138 C132
C146 22p
27p 15p C128
Q20 Q17 Q16 R:0V Q15
C163 L31 D17 C141 T:8.51V 12p C380
2SC5110 47n 10p 2SC5110 2SC5110 2SC4703 0.001
0.5p MA77 R116
C144
27p R124 R121 R117 150 C127 C126
R312 R:0V
C143 270 4.7k 5.6k 1.8k T:1.86V R386 27p 12p
C147 27p C134
Q28 R370 22
3.24V 8.2k 0.001 0.001
DTA144EU
Q24
DTC114YU R130 R123 R118 C142 R111 C133 R:0V C123
R:0V R:0V R:0V R:0V
470 2.98V 270 470 0.001 T:1.49V 22 0.001 T:9.51V 47p
T:4.47V T:3.16V T:2.24V
R:4.99V VRX OPS1
VTX R:0V
T:0.98V OPS2
T:2.65V R559 R545
100k 100k
COM BUS C385
470p
R560 R546
1k 1k
ACC I/O BUS
DTMF BUS
C549 C54
0.01 0.01
D508 C389
AF BUS D510 0.001
DA204U DA204U
BOOT
R594 L5V
4.7k CPU5V
R535 R538
1k 1k
R584 100k
EPTT R553 100k
DIM C532 47p
SP R554 C544 C534
PASP J501
R273 100k 0.1 47p C267
1k 52365-1091 10
PWON +5 TXD Q43
1 2
XRXD RXD 3 4 RTS 2SC4081
XCTS CTS
5 6 RES
VRX FVPX GND R585
7 8
VCC GND 100k
R272 9 10
1k
4.57V
C528 C530
C529 47p 47p
47p C533
C531 47p Q509
DTC144EU
47p
FVPP
Q513
DTA144EU R542
R275 BOOT 10k
1k VTX
P14/A4 75 D506
74 R540
P15/A5 PLLT DAN202U
73 UNLK Q511 5.9k
P16/A6
72 PCK MD1 DTA144EU
P17/A7 R549
VSS 71 PDA
47k
VSS 70 R276
69 1k
PB4/XDB4 R550
68 PSTB 47k
PB5/XDB5 R547 R548 Q512
67 DCK 47k 2SC4081
P20/A8 Q44 1k Q508
66 DDA
P21/A9 2SK1069 20.86V 10.97V 2.29V 2SK1829
IC20 P22/A10 65 17.21V
HD64F3437F16 64
P23/A11 R277 D31 1SS355
63 1k DSTB
P24/A12
62 TMUT
P25/A13
61 PA D32
P26/A14 R263 DA204U IC18
P27/A15 60 HFSW
59 10k 3.71V TC7W04FU
VCC R570 16.39V
58 1k 1 8
PB6/XDB6 W507
57 NWC C259 2 7
PB7/XDB7
56 AMUT 0.68 3 6
P47/PW1 C258
P46/PW0 55 MCON 4 5
54 1
P45/TMRI1/HIRQ1 MODS C263
53 R261
P44/TMO1/HIRQ1 1 D33 470k
52 C262 R262 47k
P43/TMCI/HIRQ11 MA8160
51 BEEP 1 C260 C256
P42/TMRI0 0.1
100p
C261 0.001
W504
DIM
C525
0.1
HORN
R577
Q45
1k ESO 5.10V IC501
DTC144EU
ESI LC7366NM
ECK
ECS1 L5V 1 TONE 20 R526
VDD
ECS2 2 CD 19 100k
XMIT
3 NC NC 18
R558 4 R1 17 DTR1
1M R571 DTC1 C1
1k DTC2 5 R2 16 DTR2 R527
C2 100k
DTC3 6 R3 15 DTR3
C553 C3 IC504
20p X502 7 R4 14 DTR4 2.44V
VSS TC4W53FU
R278 R305 R306 PBRC3.58A 8 NC NC 13 5.05V
100k 100k 100k 9 MUTE 12 1
W505 OSC1
C522 10 C4 11 DTC4 2
OSC0
0.001 3
R529
C521 R142 L59 4
390K Q504 10 C368
2SK1069 33k 1
15
C554 R552
R555 C542 C520
R218 R528 300k 20p 0.1 1k 0.1
1M C543
1k C352
R143 10
0.001
C547 C552 R556 C551 10k
0.001 0.001 R519 100k 0.001
1k
C550
0.001
L5V
VCC
+8V
DISC DISC
DMOD DMOD
AMOD AMOD
PAAF PAAF
1/2VDD 1/2VDD
OPT AF BUS
AF BUS
VCC
SQL OPEN 0.89V
SQL CLOSE 4.60V
R595 C93
10k 220
+5V
PSET IC8
+18V C371 LA4425A
1.22V
T8V 0.001
6.11V
C92
5 0.1
1
+8V C94 470
SP 4
2
R330
10k 3 R86
10k
SPE
C369
0.001
C318
PAMIC 0.01
R:0V
T:9.09V
AFO C330
0.1
C401 C308 Q11 R98 100
470p 0.22 2SJ377
R:13.10V
T:12.27V C86
BEEP 0.1
R102
C112 4.7k C398
1 0.001 C107 C413
C396 C397
47p 470p 1.5 IC10a 0.0047
C400 C118 C119 NJM2904
C420 R:0.23V 8
47p 0.001 22 0.22 D44 R101 T:2.83V PAAF
3
HSU88 1.2M R96 10k Q8
1
R363 DTC114EU
2 PASP
R97 C106 10k
R103 10k
4.7k 6 0.001 4 R:0V
SQL OPEN 0V
7 T:1.86V
C377 C378 C379 R99 SQL CLOSE 4.61V
5 C409 R329
0.001 47p 470p 4.7k 47p 1k (SP MODE)
IC10b R361
R:12.42V NJM2904
4.7k a
T:8.22V R362
R100 1/2VDD
R:2.89V 10k 10k
T:2.84V
C381 C382 C108 D45
C383 1SS355 PDET
47p 470p 0.001 0.001
R:13.13V
C124 C125 C384 T:12.33V 13.2V
C116 R8
22 47p 47p VCC
470p HV
Q12 R333
2SJ377 10k D15
DSA3A1
0.63V
R107 W:2.48V
C386 C387 C388 C117 C115 N:2.15V
0.001 47p C394 470 0.01 470
470p 470p
PWON
D509
DAN202U
C390 C391 C392
470p
47p 470p C393 C395
Q14 D502
47p 0.001 DTC144EU
DAN202U
IC17 IC16
AN78L05M
5.08V L53 TA7808F
C264 0.85V
SLF7032-101MR45-2
CPU5V 0.1 +8V
O I I O
G G
W503
C206 C203
C266 220 0.1
0.1
C205 C204 R502
12.59V 0.1 1 R:8.18V W:13.00V 15k
Q42 Q36 N:0V
T:0V
2SB1123 2SD1664
L504 R8V
W:4.92V
3.3 D27 N:0V
5.10V R209 R208
4.7k 4.7k DA204U
D30 +5V C207
NWC
10
1SS355
R259 C252 R:8.78V
4.7k C253
0.001 T:0.10V
10 VRX
C208
Q37 Q501
1 R563
2SC4116 R564 R567 DTC144EU
47k 47k
4.99V 4.7k RSSI
IC506
R:0.48V
S-81250PG T:0.63V
NOISE
C537 C536
0.1 0.1 Q40
2SD1664
O I T8V T8V
G D29
R212 VRX
R213 4.7k DA204U
C406 C407
4.7k 470p 470p
C535
C538 R:0V
0.1 T:8.79V
0.1
R541 VTX
C211 Q41
0V
8.25k +18V 1 2SC4116 R565
R568
47k 4.7k
R:0.66V
T:0.49V
R566
47k R:0V
L45 R260
Q38 C402 T:7.96V C405
C257 4.7 100 2SD1664 470p 47p
1
R210
R211 4.7k
7.67V
4.7k
C209 C403 C404
C254 D28
R:0V DA204U 4.7 470p 0.001
C255 10
C210 T:8.61V
1
1 R:7.96V
TMUT
T:0V
R267
R406 0V
100k
Q39 Q514 33k
DTC114YU 0V
DTA144EU
Q47
DTC144EU Q2 C35 C306 C34
3p 1p 2p
R403 3SK166
4.7
R:5.09V
T:0V C39 C37
L12
0.001 30p MC152
R19
R21 100k
56 L13
C337 MC152
VCC 47p
R398 100k DIM
HORN R:0.73V R20 C36 C33
D11 6p
GND T:0V 100k 1SV217 6p
R525
100 5.04V D51 PAAF
C518 1SS355 C40 R18
R524 10 GND 8p 220k
100k Q506 DISC b
2SK1069 GND
8 C358 0.1
7 R373 10k IN
C519 C421
6 5.10V 10 C359 GND L16
10 C360 C565
5 0.001 PTT 0.15 C329
1 0.001
0.001
R372
0.59V 1k
C361
R402 R397 0.001
1k 100k C357
0.001
TUNE
PAOUT
T8V
VCC PDET
+8V HV
MEASUREMENT CONDITIONS
OSCILLOSCOPE:20MHz
VOLTMETER :1 /V
4.81V
SQL OPEN 4.88V R61 100
SQL CLOSE 0V C70 R52 C67 C69
R85 C72
2.2 R62 1.5k 0.047 2.2k 0.047 0.047
R338 C83 47 SQL OPEN 0V
4.00V R69 R68 C73
56k 0.1 SQL CLOSE 4.26V
47k 22k 0.1 2.52V C68
2.54V 2.54V
R93 R90 8 R65 C71 0.047
4.12V R357 47k
2.7k 100k 7.43V 470k Q515 3 0.047 5 R49
D50 IC7
1SS355 DTA144EU 1 7 1
M5282FP
C98 C74 2 6 R51
Q7 C90
2.2 1 VCC2 VCC 10 0.1 IC3b 4.12k
DTC363EK 4.13V 2 9 10 4
IN+ VCAOUT
3 CTL 8 Q6 IC3a R63
IN- R569 R53
4 VCAIN 7 DTC114EU 1k TA75W558FU 91k 2.53V
OUT 36k
R92 5 NC 6
GND R77 C314
82k R67
C91 33k 100
10k R327 Q5
0.0047 C97
C100 100k 2SC4116
0.001 R71
390p C316 0.1
10k
C333 C332 R70 C75 0V
2.2 R80 1
4.39V C84 2.2 470k
22k 2.2
R339
R511 R512 R510
27k
IC9b 2.57V 1.73V 180k 3.9k 1k 3.10V C61 R42
2.2 2.49V
TA75W558FU 100
R349 5 C508
10k 7 10 R515
39k C60
2.59V 6 C95 R87 5
0.50V 1
R81 0.1 10k 1
C509 AFO
10k C326 1 6 4
470p R320 R509 0.1
100k 10k 3
1.10V 2 5
R94 R88 R508
C101 R360 4 2
10k 0.01 10k 10k 10k R313
3
R45 270k
R89 C506 IC2
R95 R359 C334 Q503 82k R44
22k 0.1 TA75S558F
100k 10k 2.2 XP4601 22k
C507 2.73V C510
2.58V 0.022 0.01 C315
120p 2.55V
R513 R514 3.38V
2.54V
56k 1k
1/2 VDD
R8
L56 1
L50 R365
L60 R:7.25V
C343 0.56 L15 C295 10
0.001 1 T:0V R30 L55 R385
W:6.92V 180 1 820 4.7 0.001
W:6.28V
N:6.40V R33 N:7.04V
R41 1.5k D511
FI4 100 L19 C54 C53
1SS375 47p 0.001 C319 L52 C296
SFPC455E 1.2 10p
C50 R:0.73V 0.001 0.56
2 1 0.001
X1 T:0V
W:0V W:0V CR-574 C55 R32
0.001 6.8k FI1A FI1B
N:2.66V N:2.67V Q4
3 2SC4215 FL-264 FL-264
W:2.6V C51 68p 1.73V
FI3 D501 N:2.16V C52 IC1
DAN202U 120p MC3372SVM
SFPC455H
1 2 1 MIXER 16 C46 R29
CRYSTAL 0.001 560
R34 4.7k 2 GND 15
CRYSTAL R588
3 MUTE 14
MIXER 820
3 4 METER 13
R543 VCC
C58 0.1 5 LIMIT SQUELCH 12 R37
680 W502 6 FILTER 11 470k C41
DECOUP
C502 R38 7 FILTER 10 15p
0.1 LIMIT 0.69V
1.8k 8 9
R504 R505 R506 QUAD AUDIO C62 C63
12k 12k 15k R39 150p 150p
C423 0.001
R503 R501 C57 47k
0.1
12k 10k C49 W:4.24V C64 W:7.17V
X2 R409 0.001 N:0V
Q510 0.01 CDBC455CX16 C59 R36 N:4.32V Q62
1.5k 1k R47 2.7k
DTC144EU 68p C65 DTC144EU
W:4.38V R35 0.001
N:0V
7.2V R407 82k
C48 R46 R410
C503 2.2 47k R48
Q502 TN20-3K202L 820 2.2k
0.01 R40
DTA144EU 1k R408 W:3.0V
47k Q61
W:0.62V C56 C66 N:3.3V
W:0V C504 W:3.12V N:0V 2SC4116 0.001
N:7.26V 0.01 N:0V 0.001 NWC
Q517
C562
0.97V(+15dB INPUT:3.40V) 0.1 DTC144EU
NOISE
W:0.62V
N:0V
R8V
R:0V
L54
0.56 T:0.76V L5
656LZ-09K
L4
C408
C341 656LZ-09K
0.001 470p C19
L10 D5
0.56 3p
MI809
C17 R1
C18 47
C27 15p D6 22p
L3
6p MI809 W6
L11 C327 LA-503
C26
MC152 470p 0.001 L2 L1
R:8.11V R328 LA-504 LA-504
T:0V 470 D52 1SS352
R13 R:2.59V
100k T:0V FOR
C305 C31 C23 C20
1p 2p 0.001 3p
Q1
C416
3SK166 C11 C9
C30 47p 6p 0.5p
REV
27p R15 0V C22 C21 C3 C2
C32 C28 27p C415 R415
30p 150 0.001 2p C10 C8 15p C4 33p 15p
R12 18p 100k
L8 33p C7 470p
22k D4 470p C324 R4
MC152 UM9401F 27p
47
R5
R2
1 1
D10 D9 C29 R14 D7 L7 L507 D3 D1
LA-504
1SV217 1SV217 470p 47k 1SV217 LA-515 1SS375 1SS375
R7
R17 R16 R10
R:1.39V 220
220k 220k 220k
T:0V L6 R315 R314
LW-25 100 100
R8
220
C328 C325 C331 C14 C300 C5
0.001 0.001 0.001 4.7 C13 0.001 0.001
470p C6
0.001
C15 C16
R:8.22V HC373
15p 18p 1p
T:8.84V R:4.23V
R:0V
T:4.35V
T:1.55V
J4
VCC
DIM
HORN
GND
PAAF
GND
DISC
GND
IN
GND
PTT
RIGHT SIDE
ANTENNA
W4
OPC-453
D15
DSA3A1