Icom IC-F31GS Servise Manual page 34

SECTION 11 VOLTAGE DIAGRAM
DS10 EDMMUD1FA0
LCD
R13
330
DS3
LNJ310M6URA 13.1V
DS2
LNJ310M6URA DS13
LNJ310M6URA
J2
DS4 SQL CLOSE: 0V
LNJ310M6URA SQL OPEN : 5.0V
5.0V
DS1
LNJ310M6URA
10.3V
Q3
C21 DTC144TE
1 C19
R6 0.1 Q1
C6 390k
C11 2SC4116
1
1
C7
1
R7 Q4
560k R1
C9
D4 R5 3.3k DTC144TE
1 R18 C26 R2
MA111 820k R3
100k 0.1 22 1.5k
C20
C10 C8 47p
1 1
C1 R4 C3
C23 0.1
0.1 C4 820k
1 1 C2 RX: 0V
f =41 kHz 0.1
5V C22 TX: 5.0V
0.1
0V
D7
D6
D5
D4
D3
D2
D1
D0
R17 RDB
100k
WRB
RS
RESB
VCC
S5 S4 S3 S2
F3 F2 F1 F0
D1
MA111 KS4
IC1
S110 S103 S102 S101 TC74VHC373FT
DS11 DS6
LN1371G- C18
LN1371G-
[GT] only [GT] only 47p
DS14
KS3 LN1371G-
DS12 DS7 [GS] only
LN1371G- LN1371G-
[GT] only [GT] only
S111 S106 S105 S104
DS8
C12 LN1371G-
47p
[GT] only
LED OFF: 0V
LED ON : 5.0V
D2 DS9
MA111 LN1371G-
[GT] only
KS2
DS15
LN1371G- Q2 R11
C13 [GS] only 3.3k
2SC4116
47p
S112 S109 S108 S107
R10
R9
220 1.5k
KS1
C14
47p D3
S16 S12 S11 S10 MA6S121
KS0
INT SP
CP1
SP1
C17 C15
47p
47p
CP2
KR0
KR1
PTT KR2
S1 KR3
PTT
PTT
SP+
MIC+
W3
R23 10k
IC2 C29 R26
C28
0.001 15k
0.01 TA75S01F
INT MIC Q6 5 1
4
MC1 Q8 CPH3403 3 C30 R27
EM-140 2SC4081 R25 2 0.1 12k
C27 180k
R12 270p RX: 0V
C25 C16 R20
33k 47p 0.001 R21 470k TX : 2.2V
R22
100k Q7
470k R24
CPH3403
47k SPCN
Q9
C24
RX: 0V
INT SP : 0V DTC144EUA TX : 2.7V 0.01
EXT SP: 4.8V Note [GT]: IC-F30GT/F31GT
FRONT UNIT
[GS]: IC-F30GS/F31GS
11 - 1
BUSY VCC
AUX T5V
R60 SIG1 S5V
100k OPT11
OPT12 +5V
OPT13 C427
4.7
R294 47k OPV11 APST
R295 47k OPV12 DIN
OPV13 RGS1
R296
To optional unit 47k SPLO R55 22k
OPT1 J1
C107
1 30 FRCN 47p
+5V
2 29
3 28 BEP1 LVIN
4 27
5 26 D10
PLRS
6 25 DAN202U AFON
7 24
SCK
8 23 D
9 22 SO
PLST
10 21
ULCK
11 20 F
12 19
13 18
R8
560 14 17
15 16 R307
100k C108 R59
DS5 47p 2k
LNJ210C6ARA
R67
100k
To optional unit
OPT2 J2
REM
1 30
PTOT 2 29 BEP2
3 28
4 27
5 26 VCOS
6 25
7 24
S5V
SIG2 8 23 C
R5V
OPT21 9 22
OPT22 10 21
W/N FILTER
OPT23 11 20 E
R64 12 19
FCLR
OPV23 47k 13 18 D15
14 17
DAN202U
R65 15 16 SCK
47k
MSKE OPV22 SO
R66 CCS
47k
RGS2 OPV21 CIRQ
SI
J1 J3 R73 R77
W5 D13 100k 15k
26 GND GND 1 DAP202U
2 +5V
25 +5V +5V RMUT
D7 R75
24 D7 D7 3
D6 100k
23 D6 D6 4
D5
5 MMUT
22 D5 D5
6 D4
21 D4 D4 D14
D3 DAP202U
20 D3 D3 7
D2
19 D2 D2 8
9 D1
18 D1 D1
S5V
17 SPCN SPCN 10
RDB
16 RDB RDB 11
WRB C229 C228
12
15 WRB WRB 47p 470p
13 RS
14 RS RS
A
13 GND GND 14
RESB
12 RESB RESB 15
RX: 5.0V
16 VCC
11 VCC VCC TX: 0V DSIN
KR0
10 KR0 KR0 17
KR1
9 KR1 KR1 18
G
8 19 KR2
KR2 KR2 PTIN PTOT R189
20 KR3
7 KR3 KR3 470
FRST
6 FRST FRST 21 C231 C310
47p
5 MIC+ MIC+ 22 0.0047
23 D0 R289
4 D0 D0
100k +5V +5V
3 SP+ SP+ 24 Q45
R323
2 PTT PTT 25 100k UN911H
VCC VCC
1 GND GND 26
SPCN L47
MCOT 1.0µH
MCIN
R14
100k
CH SELECT AFOUT
S1 C234
EC10SP16-47 47p PTIN
3 CB10
1
Q5 1 C1 4 CB11
2 C421
2 5 CB12 0.1
DTC C2 4 Q46
8 6 CB13
144TE DTC144EUA
C365 C366 C367 C401 VCC
47p 47p 47p 47p S5V
+5V
R217
470 R5V
INT SP SW
T5V
AFVI
R193
AF VR
10k
VCC
POWER
HV C235
22
F1 IC19 C354 C414
0.1
KAB BU4053BCFV 0.001
C236
D31 2402322NA29
1 16 +5V 22
MA2S111 Y1 VDD
2 15
Y0 Y
3 Z1 X 14
4 13 RX: 5.0V
Z X1
R376 5 12 C356 TX: 0.8V
Z0 X0 47p
1k 6 11
R192 R330 INH A
7 VEE B 10
100k 4.7 8 9
VSS C
D38
MA2S111
S5V
R375
UNIVERSAL INT SP: 0V
4.7k
EXT SP: 4.3V SPCN
CONNECTOR MP6 C445
0.022
9 R285 10k AFOUT R276
AFO
47
8
VCC
7
DETECT C355 C353
6 R278 C413 0.001 0.001
MICE R277 1k R325
5 1k 0.1
10k RES
RESET
4 R279 1k XRXD
XRXD
3 XTXD
XTXD
2
R280 1k
MIC 1 MD2
PTT
C451 D30 R284 C452
47p MA8062 M 1k 0.1
C428
0.1 D34
D35 D36
C429 MA8056 M MA8056 M MA8056 M
47p
S5V
R5V
DSIN
+5V
R206 100
R207
22k
R210 390k
VOX
C248 C249
0.018 0.018
MICO 1 5
4
3
HV C250
CP3 R209
HV R208 470p R211 2 IC18
CP4 C359 C358 C357 330k
15k 1.2k
BATTERY GND 0.001 470p 47 TA75S01F
except[IS] except[IS]
CP5 except[IS] BDET
BDET
VOXT
L53 C318
0.01
1µH
R.FIL
15.6 MHz 970 mVp-p
REF
Q13
R48 C62 L22
XP6501
R341 R54 C105 R52 100 C100 10k 6 1 10 1.8 µH
0.001 LV R50
27k 100 4 3 1k 0.001
X1 CP7 Q14
C104 C430 2
CR-667 5 D41 D42
0.1 15.600 MHz 2SK880Y 0.001 HVC350 HVC350
C106
IC2 C102
0.1 0.0047 4 3
C103 L21 C61
1 5 TC75S51F R51 C101 R49
10p 6.8k 0.47µH 22p
4 10k 0.001
3
FLAC N PLL
R53 W4 R38 R39 L48 R333
2 1 2
220k 2.2k C63 10 67nH 1k
C109 R46 10
0.1 4.7k[F30G]
D40 D6
12k[F31G] HVC350
HVC350 R35
L25 R44 R43 3.9k
R58 1k R57
1.8µH 6.8k[F30G] 820[F30G] (mod 37)
2k C99 47p 1 VDD 20 C72 L23
CLOCK 4.7k[F31G] 1.5k[F31G] R342 D45
2 TEST 19 1k HVC350 82p 0.25-1.9-9TL
3 DATA LOCK 18
STROBE
4 IC1 RF 17 C74 C431
5 VSS RN 16 R45 D44 C71 C69
RFIN SA7025 0.047 0.001
6 VDDA 15 10 HVC350 0.75p 22p
RFIN PHP 14 C78 C70
7 VCCP DK-T R40
8 PHI 13 0.001 C76 6p
C95 C96 C97 REFIN 100[F30G] L24 0.47µH
C98 9 RA VSSA 12 100p 10[F31G] (mod 39)
C91 47p 47p 47p 10 PHA 11 C80 C373
0.01 AUXIN R47 D43 10p
47p 0.1 HVC350
10k[F30G]
C77 LOOP FIL D7
C81 20K[F31G] D8
0.1 [F30G] 1SV245
R62 C83 L26 R61 47p C79 L49 HVC350
C439 L28 0.01 220k 0.22[F31G] 0.25-1.9-9TL R42 R41
1.2k 1.8µH 0.1 [F30G] RX: 2.3V
0.001 1.8µH 100k 220k
C82 0.001[F31G] TX: 2.4V
× 3 MULTI
10p
C87 L27 C86 C85
C84
3p 1.8µH 5p 2.5p Q15
12p R356 R355
C376 C73
2SC4116 180k 47k 0.001 47p
FI2 SFPCA450KE4A
2 1
R89 R90 R91 R97
47 10k X2 680
1.5k
D16 IF CDBCA450AY24
3
R81 DAN202U
FI3 SFPCA450KG1A 4.7 IC3 TA31136FN C124 R361 C126 C127
1 2 C125 R96 470 C360
10 470p 2.2 1
100p 3.9k
R347 1 16
3 C113 OSCIN MIXIN
4.7 2 OSCOUT GND 15
R82 0.01 3 14
MIXOUT N-REC C420 0.001 C123
15k 4 N-DET 13 R98 R340
VCC 100p 100k 180k MCF
5 12
R78 R79 R80 R86 C112 IFIN RSSI R99
22k 12k 22k 6 11
82k 220p DEC IFOUT C120 1 k 2 1
7 10
FILOUT QUAD 0.001
C110 C423 8 9 FI1
R88 FILIN AFOUT
0.1 0.1 R95 Q18 6 5 4 3 FL-322
47k C114 C117 31.650 MHz
4.7 L42 C122 2SC4215
R85 0.1 C115 Q17 0.001 C118
C267 0.001 C119 1.8µH 47p
330 0.001 2SC4116 C128
0.01 C111 0.001
R94 7p
Q16 220p
3.3k
DTA144EUA R87
3.9k R92
C422 47k R93 C116
RX: 4.6V 0.1 47k R174 R171 68k
470p
TX: 0.1V 27k
R352 10k R167 470k
AUDIO
C457
PROCESSOR
R317 100p
C216 C397 C399 C192
470k C217
0.047 0.0047 0.0047 0.0047
IC7A 0.1
R168 R172 R183
1.5k NJM2902V
39k 68k C206 0.1 R165
C398 0.0047 C193
47k
C227 C226 C225 R175 2.2
0.033 0.047 4 12 44
R187 4.7k 0.047 3 5.6k 13 MICIN EXPIN 43
1 C219 120p MICGS EXPGS
C218 14 42
Q27 2 15 CALO ECHG 41
0.0047 ALCO EXPO
16 40
2SC4213 R184 AF FIL 11 R173 C215 CMPIN IC9 PWRIN 39
R186 R185 17 CCHG PWRGS
68k 12k 150k 0.1 18 TC35453F 38
120k 19 CMPO PWRON
VAG TXFI PWROP 37
C455 C207 20 36
C230 0.1 VDDA MSKST
0.1 21 35
10 C232 22 VDDD VSSA 34
R288 C203 C224 STB VSSD
R188 0.0022 0.1 C213
100k 10k 0.0022 R166 R370 4.7 C454
10k R371 47k C214 C208 18p
22k 0.1 4.7 C197
Q47 0.01
MCOT B R180
2SC4116
15k
MCIN
C456
R373 R372
C233 0.1
0.1 4.7k 33k
VAG R343
X4 CR-563
3.579545 MHz 1k × 2
C409
0.1
C432 MICI
C453
0.1
R190 C434 15p
100k C433 C195
R298 RX: 0V RX: 5.0V 0.1
47p 470p
100k D46 TX: 5.0V TX: 0V
MA742 3.58 MHz
5.0V 2.8 Vp-p
VCC
5.0V
R215 R216 D/A
Q31
R203 1M [GT] 100k
R354
2SA1362 10k 5.0V 100k [GS] [GT] only 1
3.9k 2 VIN1
Q32 VOUT1
Q29 R198 3
REG VOUT2
2SA1362 R196 10k 2SB1132 4
10k Q30 R221 33k 5 VIN2
6 5 4 7.5V VDD
R200 Q33 6
2SA1362 LD
10k XP6501 IC12 7
R195 8 CLK
C239 R199 C241 AN8005M DI
4.7k 4.7k 9
0.01 0.01 R202 VIN3
10
C237 C238 C240 1 2 3 1k 11 VOUT3
R197 O VOUT4
22 22 0.01 I 12
4.7k G VIN4
C247
C246 C411 C258
R201 C242 C244 10 C424
RX: 0.8V 2.2k C243 0.001 4.7 470p 0.1
4.7 47 0.001
DC SW TX: 5.0V
0.9V
D/A
RX SIGNAL IC17
C450 LC73872M
R324
0.1 470
1 VDD 14
C446 820p INPUT
L45 2 13
NC NC C410
R363 1.8µH 3 EST 12 EEPROM
IC31 PD 0.1
100k C254 4 11 1 8
R365 R366 TC75S51F 5 OSCO STD 10 2 7
5 R367 4.7 OSCI ACK
39k 82k 6 9 3 6
1 1.5k C384 C385 NC SD
4 0.1 7 8 4 5
0.001 VSS LOADB C407
3 R225
R364 C257 IC27 0.1
100k C447 2 C448 C386 0.1 100k
DTMF DECODE M62334FP
820p 0.0012 47p R281 R182 R181
27k 27k 27k
R368 R157
R369 390k S5V
180k 22k
C449 Q43
R312 R261 R260
0.1 22k R314
R362 R315 2SC4116 47k 47k
5.6k 33k 33k 12
C443 14
R316 0.001 13 C343
C393 R313 C395 2.7k R262 820p
C394 R218
1 33k 0.018 68p 39k 5.6k
TX SIGNAL
IC7D C342
C396 C426
0.1
1 0.22 NJM2902V
S5V
R5V
RX SIGNAL
IC20B R268
R269
R273 100
22k NJM2904V 120k R270 R266
5
C251 C252 R275 R274 18k 47k 4
470p 22k 22k 7 2
2.2 6 1
C348 R271 3
C346 R264
C351 0.1 220k 8
D29 0.1 0.0033 470
C352
MA2S111 0.039
C350 C349 C345
0.01 R331
0.01 0.0068
R212 C347 R267 IC20A 470k
C253 DUSE R272
1.8M 0.1 47k NJM2904V
0.001 68k C415
2.2
MAIN UNIT
Q41
DTC144EUA
RX VCO
R31 Q11
R30
3.9k 1.8k 2SC4226
RX: 0V
L20 C59
VCC TX: 4.8V VCC
80nH 47p C55 C54
0.01 470p T5V
C58 R32 FIL5V
12p 22 (mod 38)
C56 0.75p C42
R18 R14
C372 0.001 100
10p RX: 4.1V 10
L19 R33 3.6V
C57 TX: 4.2V
3.3µH 330 R21 YGR
12p
100
R34 1.8k (mod 37) 3.7V
3.4V
R24
R26
100 220
C47
0.001
C65 C64 RX: 2.6V
R36 10 470p R22 C43 C36
(mod 38) 0.001 TX: 2.5V
C52 47k 0.001 47p
Q12 0.001 L50 C51 R25 L18 L15
R28 18nH
C68 68k 0.1µH 0.001 68k 0.1µH
2SC4226 R19 R15
18p C48 L17
7p 10k 1.2k
Q10 Q9 0.1µH
C66
C67 0.5p
L46 XP1214 DTC144EUA C39 18p
12p 3.3µH C34
4 3 0.001
C50 R23 C46
C49 4.7 D4
R37 2p 12p 18p
2 Q7 MA77
390 R20 R17 R16
TX VCO 2SC4215 68
5 1k 1.2k
1
Q6 Q3
VCOS Q8 2SC4215 L29 33nH BUFFER 2SC4215
PLLIN 2SC4226
AMP
D5
R63 RF AMP
MA77
VCO SW R29 56
RX: 0V C53 C89 C90
10k 15p 15p
TX: 4.9V 47p C88
0.001
S5V S5V
R5V
R121
L35 1µH RF AMP
C157 0.47 4.7
L44
R109 C148 R110 C149 C150 C151 L36
1µH 470p 47p 0.001
MIXER C369 R358 100 C438 0.001 4.7k 56nH R120
8p 15k
12 0.001
RX: 3.9V C158
C159
C132 C133 TX: 0V 47p
C131 R360 RX BPF 0.001 R122
0.01 0.001 R359 R118
27p 470 470 Q20 100k 1.8k
L31 C140 C145
3SK293
R102 C130 0.82µH 1.5p 0.001
Q19
270 0.001
3SK206 C135 D18 D19 C156 L37
HVC350 HVC350 56nH
5p R119 5p
R334
R105 4.7k 390k C160
4.7k L52 C137 C138 C141 C143
R103 C134 L33 7p
220 0.001 0.1µH 56nH 6p 0.001 0.001 7p
R111 R113
220k R117
150k C155
RX: 0.9V R112 10k R114 10k C154 0.001 270
47p
MOD TX: 0V
C142 R115
C139 RX: 2.6V
0.001 0.001 10k
TX: 0V
VCC
+5V
R164 220k R228 R336 IC29
C406
100k 100k BU4053BCFV
0.022 1 16 IC7B
C198 Y1 VDD IC7C
C121 2 15
0.1 0.0047 R318 Y0 Y NJM2902M NJM2902M
3 14
33k Z1 X
4 Z X1 13 R162 R161 R163
5 12 5
Z0 X0 10 68k 68k 33k 7
C205 6 11 6
0.1 INH A 8 C202 R153
7 10 9 C444 R155 4.7
8 VEE B 9 270p
VSS C 330p 39k
C261 C200 C362
0.1 R349
C281 R229 56p 0.0012
1k R176 R177 R178 R179
R152 0.1 100k 56k 18k 27k 27k
150k C400 R292
0.001 R227 C263
5.6k
100k 0.1
Q26 C425 C375
0.001 0.1
DTC144EUA
C199
R159
120p 100k
VAG VAG
C408 C282 47p
R249
0.1 1k
FRST 91
R344 CCS 93
1k DSIN SCL 95
C285 47p
R226 D0 96
C260 NTCG20 4M 473JT
0.001 D1
VCC
CPU5V D2
CPU5V
D3
+5V
L43 D4
R345 4.7µH
C262 C328 C327
1k C329 C305 C371 C412
470p 47p 47p 47p 47p 47p 47p
24
VIN8 C264 C265 C266 C402 D5
VOUT8 23 470p 47
22 47 47 D6
VOUT7
21
VIN7 20 D7
GND
19 RESB
RESET
18 C323 C322 C321 C295
VDAREF 47p 47p 47p 47p
DO 17 R247
16 1k
VIN6 R150
15 PTOT
VOUT6 220k
VOUT5 14 RMUT
13 R151
VIN5
150k MMUT
C259 FRCN
IC13 0.01 KR0
KR1 R240
M62364FP CTCS
C296 C286 C297 C298 1k
47p 47p 47p 47p
IC16 HN58X2464TI C383 0.1
CPU5V
8
1 KR2
A0 VCC
2 A1 WP 7 R248 R322 KR3
3 6 220k
A2 SCL 1k
4 5 EXST
VSS SDA
C268 R219 10k
APST
0.1
R220 100k
C338 C337
47p 47p C320 C319
1 A0 VCC 8
2 7 47p 47p R245
A1 WP 1k
3 6 DIN
A2 SCL
4 5 RGS1
VSS SDA
C336 C335
47p 47p
IC24
RGS2
HN58X2464TI
MSKE
FCLR
R259 R257 R254 C364 C306
47k 22k C325 C294 R251 0.1
180k 47p 47P 47p
CTDA R223 1k
RDT 220k
C341 REM CB10
0.015
CB11
R374 CB12
Q40
R258 47k CB13
22k XP1214
R244 1k R293 C307 C308 C303 C302 C301
BUSY
5 100k 47p 47p 47p 47p 47p
1 DTPD
W/N VCOS
2
DEST
C377
C313 PLST
4 3 DUSE 47p
47p 16 PLRS
4 1 EXST
RXDT C315 C314 Q1 .STR C299 C300 C331
5 Q2 2 SO
47p 47p R297 6 D 47p 47p 47p
IC30 TC7S66FU Q3 3 SCK
1k 7 CLK
FSW 14 Q4 OE 15 RESB
1 5 R332 Q5 XTXD
100k AFMT 13
2 SPCN 12 Q6 SCK
Q7
3 4 S5C 11 C378 SO
C381 Q8 DAST
Q44 9 QS 0.1
C379 C380 47p 10 R224
47p 47p C382
DTC144EUA IC23 QS. 100k C333 C340 C339
47p 47p 47p 47p
BU4094BCFV 8
Note [GT]: IC-F30GT/F31GT [F30G]: IC-F30GT/ IC-F30GS
[GS]: IC-F30GS/F31GS [F31G]: IC-F31GT/ IC-F31GS
ANT FILTER
C4 L3 L2 L1
50nH 44nH 32nH
T5V 0.001 CP1
C5 R2 C419 C418 C417
0.001 150 1.5p 5p 10p
C35
0.001 C23 CP2
C24 C16 C17 L9
22 0.001
FI4 470p 1 EXCCL3225U1
C26
NFE31PT152Z1E9L L14 C7 C6 C3 C2 C1 R1
0.001 EXCCL3225U1 47p C416
0.001 18p 33p 33p 10p 82k
C21 FINAL
C28 470p L4
C27 C18
C37 47p L13 4.7µH
0.001 0.001
0.001 18nH C19 L10
25nH C8
150p L7 C403 L5 D1
0.001 0.001
PRI AMP 7.5nH 50nH MA77
MP3
Q2
L8
15nH C12
2SK2973
R12 R10 R7 22p
68 C14 R4 R3 C9
10k 22 C441
56p 47p 2.2k 2.2k 22p
Q1
R5 4.7k
C38 C31 C22 C30 R8 C20 2SK2974
0.001 0.1 0.001 0.1 18k 0.001
R6 4.7k
C176
C29 C177
0.001 470p
0.001
D2
RX: 0V
MA713
TX: 2.8V
Q22
R123 DTA144EUA
47k C175 R129
0.1
3.9k
R124
Q21 D22 RX BPF R128 100k
470k MA2S111 R127
2SK1829
100
IC4 RX: 0V
C167 D23 L39 L40
C163 D21 47nH TC75S51F TX: 5.0V
1p HVC350 6p MA2S111 47nH APC R130
R327 2 3 10k
D20 47
C437 4
HVC350 L38 6p
C165 C442 1
56nH
4p L51 R328 4.7 5
C146 C161 D24 C170 R132 R133
0.001 0.001 56nH MA77 1k 180k 2.2k C174
9p
R116 R126 R131 0.001
100k D39 330k C440
100k R69
C168 D25 MA8030H 0.001
8p MA77 C171 C172 100k
AF ON : 7.5V 0.01 4.7 C173
C147 C162 R125 0.01
AF OFF: 0V
0.001 0.001 10k
Q23 2SB1132
AF REG IC5 TA7368F
VCC
1 10
R141 68k Q24 2 NC POUT 9
VCC PWGND
XP6501 3 PREGND 8
NC
6 5 4 4 PHASE 7
VIN L41
5 6
RIPPLE NF EXCCL3225U1
D26 R137
2.7k R135 R134
MA2S111 10
10
C183
C187 R140 1 2 3
C189 C184 0.001
47p 0.001 1M C181 C180 C179 C178
C186 10 0.047 100
0.1 R139 R138 R136 R321 10 47p
C185 6.8k C182 2.2k
1k 0.1 3.3k
0.018
R222
D47 C188
MA8024 47p 100k
AF AMP
AFOUT
CPU5V
BEEP RDB WRB RS AUX MSO OPT12 OPT11 OPT13 OPT23 OPT21 OPT22 SDA R243
R237 1k
1M
C283 47p
C284 47p
R230
R236 1k 12k
R242
R329
C273 1M
10k
47p R231
12k
C291 C292 C293
R238 47p
47p 47p
1k XIN
R239 D27
C324 1k XOUT W2 C280
C326 MA77
47p 47p C287 33p
47p X3
CR-681 C277 R232
C276 12.288MHz
C288 C289 R235 22p 7p 12k
47p 47p 1k
CSFT
12.29 MHz
C275 C278 C279
3.4 Vp-p 0.01 0.01
47p
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76
NOIS
DTSD
1 75 R246 1k
PE5/D5 PF0/BREQ/IRQ2
2 74
PE6/D6 PF1/BACK/BUZZ
3 73 T5C
PE7/D7 PF2/WAIT
4 72 R5C
PD0/D8 PF3/LWR/ADTRG
5 PD1/D9 71 TMUT
PF4/HWR
6 70
PD2/D10 PF5/RD
7 PD3/D11 69 DDST
8 PF6/AS
PD4/D12 68 C309
9 PF7 47p C311 C312 C404 C405
PD5/D13 67 47p 47p 47p 47p
MD2
10 PD6/D14 66
11 FWE
PD7/D15 65
12 EXTAL
CVCC IC14 HD64F2238FA13 64
13 VSS
PC0/A0 XTAL 63 W3
14
VSS VCC 62
15
STBY 61
16 PC1/A1 D33
NMI 60
17 PC2/A2 MA2S111 RES
RES 59
18 PC3/A3 58
PC4/A4 OSC1
19 57
PC5/A5 OSC2
20 56 CPU5V
PC6/A6 MD1
21 55
PC7/A7 MD0
22 54
PB0/A8/TIOCA3 AVCC
23 53
PB1/A9/TIOCB3 VREF
24 52 AN0
PB2/A10/TIOCC3 P40/AN0
25 51 AN1
PB3/A11/TIOCD3 P41/AN1
Q39
C317 C316 R233
26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
0.0047 0.0047 100k 2SC4116
R253
100k
R252
MD2
1k
C272
R234 R291 47p
10k
100k
C332
IC15
47p C458 R299
R250 0.1 S-80942CNMC-G9C
1k
1k
1 5
OUT CD
2
VDD 4
3
C304 C330 VSS NC
47p C271
0.1 0.027
C334 RESET
47p
TO ANTENNA