Icom IC-T81A Service Manual Download

Page: 46 / 53

198nS

3.2V

C: 3.2

C: 12.6

C: 13.5

C: 13.2

C: 0.6

C: 3.2

T: 0
R: 3.4

T: 3.2
R: 0

T: 0
R: 3.2

C: 13.2

C: 12.7

R338
50 K

R337
470 K

MOD

Q309
2SJ364 Q

Q307
UN9214

R324
33 K

Q304
2SJ364 Q

R327
50 K

R323
56 K

C322
0.001

Q306
2SJ364 Q

R330
470 K

Q305
2SJ364 Q

+3C

IC201
TA7368F

IC202
M5222FP

Q303
UN9214

MICC

BEEP

C315
0.001

D304
RD5.1M B3

R317
220 K

C751

R751

10 K

Q752
2SD2216 S

D141
MA2S111

R148
100 K

C141
0.001

D144
MA2S111

Q145
2SB1132 R

R143
10 K

Q142
XP1501 AB

C12
0.1

IC2
X24320-2.5

IC1
M38267M8L-231GP [USA-1]
M38267M8L-230GP [other]

R19
4.7 K

R18
4.7 K

1
2
3
4

A0
A1
A2
VSS

VCC

TEST

SCL
SDA

8
7
6
5

DS3
LT1EP53A

C918
0.001

D4
MA2S111

Q3
XP4315

Q753
UN9115

R759
220 K

Q751
XP1501 AB

Q141
UN9210

R141
15 K

CLONEIN

SPREMOTE

CLONEOUT

C101
0.001

R154
10 K

R153
47 K

D151
MA8100 M

D152
MA2S111

IC141
S-81332HG-KC

Q151
2SD2216 S

CPUHV

C103
0.001

R151
1K

C102
0.001

SEG12

SEG11

SEG10

SEG9

SEG8

SEG7

SEG6

SEG5

SEG4

SEG3

SEG2

SEG1

SEG0

VCC

VREF

AVSS

COM3

COM2

COM1

COM0

VL3

VL2

VL1

SEG40

SEG41

SEG42

SEG43

SEG44

SEG45

SEG46

SEG47

SEG48

SEG49

SEG50

SEG51

SEG52

+3CPU

COM1

COM2

COM3

COM4

100

VIN

REMOTE

CTCIN

LOCKV

THERMC

SBATT

CONT

CTCOUT

BEEP

BPCPI

NOISE

PDA2/UL

PDA1/UL

DAST

IOST

PLST2

PLST1

CLONEOUT

CLONEIN

TXC

R3C

CPUHV

CHGC

AFON

KS4

KS5

KR0

KR1

KR2

KR3

ESIO

DATA

PTT

RESET

POWER

RM/MM

MICC

LIGHT

BLED

TCON

PCON

SEG39

SEG38

SEG37

SEG36

SEG35

SEG34

SEG33

SEG32

SEG31

SEG30

SEG29

SEG28

SEG27

SEG26

SEG25

SEG24

SEG23

SEG22

SEG21

DIUD

DICK

KSO

KS1

KS2

KS3

P67/AN7

P66/AN6

P65/AN5

P64/AN4

P63/SCLK22/AN3

P62/SCLK21/AN2

P61/SOUT2/AN1

P60/SIN2/AN0

P57/AOT/DA2

P56/DA1

P55/CNTR1

P54/CNTR0

P53/RTP1

P52/RTP0

P51/PWM1

P50/PWM0

P47/SRDY1

P46/SLCK1

P45/TXD

P44/RXD

P43/TOUR

P42/INT2

P41/INT1

P40

P77

P14/SEG38

P15/SEG39

P16

P17

P20

P21

P22

P23

P24

P25

P26

P27

VSS

XOUT

XIN

XCOUT

XCIN

RESET

P70/INTO

P71

P72

P73

P74

P75

P76

SEG13

SEG14

SEG15

SEG16

SEG17

P30/SEG18

P31/SEG19

P32/SEG20

P33/SEG21

P34/SEG22

P35/SEG23

P36/SEG24

P37/SEG25

P00/SEG26

P01/SEG27

P02/SEG28

P03/SEG29

P04/SEG30

P05/SEG31

P06/SEG32

P07/SEG33

P10/SEG34

P11/SEG35

P12/SEG36

P13/SEG37

CONT

C7
0.001

C9
0.001

R9
220 K

R10
22 K

R12
47 K

C8
0.1

R14
47 K

R13
47 K

C10
0.01

C11
0.1

C919
0.1

C143
0.001

C142
47

R144
4.7 K

C150
0.01

PCON

C149
47

C146
0.1

C148
0.001

C147
22

+3C

R4
270

R5
270

DS1
CL-200YG-C-TS

R42
270

Q1
UN9115

SEG52

SEG51

SEG50

SEG49

SEG48

SEG47

SEG46

SEG45

SEG44

SEG43

SEG42

SEG41

SEG40

SEG39

SEG38

SEG37

SEG36

SEG35

SEG34

SEG33

SEG32

SEG31

SEG30

SEG29

SEG28

SEG27

SEG26

SEG25

SEG24

SEG23

SEG22

SEG21

COM4

COM3

COM2

COM1

S52

S51

S50

S49

S48

S47

S46

S45

S44

S43

S42

S41

S40

S39

S38

S37

S36

S35

S34

S33

S32

S31

S30

S29

S28

S27

S26

S25

S24

S23

S22

S21

DS4
LM-1782B

R38
100K

R53
220 K

R24
1 K

R54
220 K

POWER

AFON

R333
10 K

C13
0.001

DICK

DIUO

TP70N00E2015F-1903

R35
1 K

CLONEIN

R36
1 K

R39
100K

S1005
POWER

C5
0.001

DIUD

DICK

DATA

R37
1 K

R25
1 K

R248
470K

C245
0.1

R246
120K

C246
0.1

C247
100 P

R247
100 K

C243
0.1

R142
22 K

C756
0.01

VCC

VIN

C718
0.1

R757
22 K

R758
47 K

C755
0.047

R760
1 M

C145
0.001

D143
MA2S111

R145
10 K

C151
0.001

R146
1 M

IC142
S-80928ALMP-DAR

C152
0.022

R51
1 M

R26
4.7 K

C4
27 P

C3
27 P

R8
10 K

X1
CR-639

C314
0.001

R311
10

C307
0.001

Q301
UN9115

C211
0.001

R197
10 K

R196
220 K

R361
4.7 K

R215
4.7 K

R362
1 M

R363
470K

Q361
2SJ364 Q

C362
0.001

RM/MM

C82
0.001

+3C

Q603
XP4312

C220
0.1

C241
0.1

R241
1 M

R244
82 K

R243
82 K

R242
470 K

C242
0.039

R249
220 K

C244
0.1

R245
82 K

C240
0.0015

IC241
NJM2902V

C252
0.0022

C251
0.001

R253
56K

R254
56 K

R211
10 K

Q202
XP1501 AB

Q201
2SB1201 S

R209
1 K

C162
0.001

C208
0.001

R208
10K

R32
1 K

R28
1 K

R27
1 K

R29
1 K

R31
1 K

R30
1 K

R21
1 K

R23
1 K

R33
1 K

R34
1 K

R17
100 K

R16
10 K

S1002
MR

S1004
H/L

S1003
CALL

S1001
VFO

KR3

3
S1008

S1018

0
S1019

#
S1020

7
S1014

8
S1015

9
S1016

6
S1012

5
S1011

4
S1010

1
S1006

2
S1007

1
2
3
4

8
7
6
5

D
C
E
COM

COM

A
B

S7
EVQ WRR 001

D58
MA6S121

D59
MA6S121

KSD2

KSD1

KSD3

KSD4

KSD5

KR0

KR1

KR2

KR3

C90
0.001

C91
0.001

C92
0.001

C93
0.001

KSD0

S401
JPM1990-2013R

D51
MA132WK
MA132HK
MA132K

D52
MA132W
KMA132HK
MA132K

D53
MA132WK
MA132HK
MA132K

D54
MA2S111

D55
MA2S111

D56
MA2S111

D57
MA2S111

D61
MA2S111

D60
MA2S728

BAND1

BAND2

BAND3

BAND4

RXF1

TXFH

RXF2

TXFL

Inh50

TXInh50

KR0

KR1

KR2

KR3

KS0

KS5

KS4

KS3

KS2

KS1

1 2 3

OUT

VDD

VSS

R754
47 K

C754

C753
0.01

R755
1 K

R752
330 K

R753
470

R756
100

C757
0.22

Q754
2SD2216 S

C719
0.1

D702
1SS364

D701
1SS364

R718
12 K

FI701
PBFC450R15DR

R719
12 K

R713
12 K

R714
12 K

C714
0.1

C715
0.1

R716
12 K

R715
4.7 K

C716
0.1

C752
22 P

R+3

AGC

C709
15

C708
0.1

R+3

R717
1 K

OSCIN
OSCOUT
MIXOUT
VCC
IFIN
DEC
FILOUT
FILIN

MIXIN

GND

N-REC
N-DET

RSSI

IFOUT
QUAD

AFOUT

16
15
14
13
12
11
10
9

1
2
3
4
5
6
7
8

IC701
TA31136FN(D)

C737
0.01

R730
220 K

R+3

C70
0.1

C733
0.001

R732
4.7 K

R731
180 K

C734
0.001

R706
10 K

R735
15 K

R736
15 K

R737
TBPS1R153K460H5Q

C713
0.001

C720
0.047

R734
22 K

C735
0.1

R733
20 K

C736
0.001

+3C

C77
0.001

VCC

R325
50 K

R326
50 K

R331
220 K

R332
39 K

C320
0.001

C321
0.001

C328
0.001

R339
470 K

R328
470 K

R329
470 K

EURDEV

VHVCO

UVCO

6MVCO

12VCO

C326
0.001

R320
33 K

MC1
EM-140

C319
0.001

C318
0.01

R319
2.2 K

PTT

C323
0.001

C316
4.7

R318
1 K

R336
10 K

Q302
2SB1462

C317
0.047

C324
0.001

R335
1 K

R316
470

C325
0.001

R341
10 K

R321
3.3 K

R322
50 K

R340
10 K

Q341
UN9214

TCON

RM/MM

+3C

CTCIN

C361
0.047

C214
2.2

C217
0.1

8
7
6
5

1
2
3
4

R213
22 K

IC203
TA75S01F

C210
10

C216
0.1

C215
0.1

R212
22 K

C213
15

R214
100 K

C249
0.01

C250
0.01

R250
100 K

R267
100

R251
27 K

C248
0.1

C253
0.0047

R252
330 K

5
6

IC751
TC4S66F

WFM

Q602
UN9115

C202
3.3

C203
47 P

1
2
3
4
5

9
8
7
6

R201
10

C201
0.047

AFOUT

CTUOUT

R205
68

C212
150

C205
47

VCC

R203
68

R206
4.7K

C204
0.001

C206
100

C209
0.001

R210
12 K

R202
150

R204
68

AFON

C207
4.7

R207
1 M

R314
100

R309
4.7 K

C311
4.7

C310
470 P

C312
470 P

C313
0.0047

R313
100 K

R315
47 K

C309
0.22

C308
120 P

R312
220 K

IC301
BA4510F

C306
47

R303
27 K

C304
0.001

C303
560P

R310
4.7 K

R308
120 K

R301
56K

R302
10K

C301
0.0022

R304
56 K

R305
100

C302
0.0047

C305
0.0022

R306
100 K

R307
2.2 M

+3CPU

+3C

C759
0.001

C758
4.7

R22
1 K

R56
4.7 K

R55
220 K

1
2
3
4

8
7
6
5

S402
JPM1990-2013R

DC-DC

IFS

TXF50

SECTION 11

VOLTAGE DIAGRAM

11-1 LOGIC UNIT

COMPLETE VIEW

Summary of Contents for IC-T81A

Page 1: ...SERVICE MANUAL MULTIBAND FM TRANSCEIVER...

Page 2: ...ZK IC T81A E Chassis 10 pieces Addresses are provided on the inside back cover for your convenience 1 Make sure a problem is internal before disassembling the transceiver 2 DO NOT open the transceiver...

Page 3: ...4 5 4 5 PORT ALLOCATIONS 4 6 SECTION 5 ADJUSTMENT PROCEDURES 5 1 PREPARATION 5 1 5 2 PLL ADJUSTMENT 5 2 5 3 RECEIVER ADJUSTMENT 5 4 5 4 TRANSMITTER ADJUSTMENT 5 8 SECTION 6 PARTS LIST SECTION 7 MECHA...

Page 4: ...ht with BP 197 Ant 290 g 10 2 oz M TRANSMITTER Output power at 13 5 V DC High 5 0 W typical 1 0 W at 1200 MHz band Low 1 0 W typical 0 1 W at 1200 MHz band Modulation system Variable reactance modulat...

Page 5: ...d AM 50 MHz only Less than 0 56 V Threshold WFM Less than 5 6 V Threshold Selectivity except WFM More than 15 kHz 6 dB Less than 30 kHz 60 dB Spurious and image rejection ratio 50 144 MHz More than 60...

Page 6: ...1 TA7368F AF volume IC202 M5222FP AF mute switch Q361 2SJ364 CPU IC1 M38267M8LGP BOTTOM VIEW VCO circuit 1st mixer IC601 PC2757T WFM RF amplifier circuit APC sensor drive amplifier Q911 UN9215 Q913 XP...

Page 7: ...E LOGIC UNIT 1 Remove the sealing rubber 2 Unsolder 1 point D to separate a SENSOR control 3 Unscrew 3 screws E 4 Unplug J1 to separate LOGIC unit and RF unit 5 Remove the LOGIC unit in the direction...

Page 8: ...MHz Thus transmit signals are blocked from entering the receiv er circuits The antenna switching circuit employs a 1 4 type diode switching system The passed signals are then applied to each RF ampli...

Page 9: ...components The filtered 1st IF signal is applied to the IF amplifier IC701 The amplified signal is applied to the 2nd mixer circuit LOGIC unit IC701 pin 16 WFM band The RF signals are mixed with 1st L...

Page 10: ...e filter section amplifies and filters noise components The filtered signals are applied to the noise detector section and output from IC701 pin 13 as NOISE signal The NOISE signal from IC701 pin 13 i...

Page 11: ...and is then amplified at the power amplifier Q922 to obtain 5 0 W of RF power The amplified signal is passed through the antenna switch ing circuit D101 and D102 low pass filters and high pass filters...

Page 12: ...signal at the 440 VCO circuit VCO unit Q321 Q322 D321 and Q322 is amplified at the buffer amplifiers VCO unit Q323 The amplified signal is applied to the PLL IC IC801 pin 19 via a buffer amplifier Q8...

Page 13: ...tter circuit Buff Q816 Pin Port Description number name 4 5 6 7 11 12 13 14 Q1 Q2 Q3 Q4 Q8 Q7 Q6 Q5 Outputs VHVCO3 regulator control signal Outputs VLVCO3 regulator control signal Outputs 6MVCO3 regul...

Page 14: ...strobe signals to the PLL IC2 RF unit IC802 pin5 Outputs strobe signals to the PLL IC1 RF unit IC801 pin 3 Output port for the cloning signal 20 21 22 23 24 25 26 27 28 29 30 31 32 33 39 41 42 43 46...

Page 15: ...QUIPMENT DC power supply RF power meter terminated type Frequency counter FM deviation meter GRADE AND RANGE Output voltage 13 5 V DC Current capacity 3 A or more Measuring range 1 10 W Frequency rang...

Page 16: ...MHz USA 1 only 435 000 MHz ohter Connect an SSG to the antenna connector and set as Level 1 mV 47dBm Modulation OFF Receiving RF Top Pannel LOGIC Connect the DC voltmeter or an oscilloscope to VLV Con...

Page 17: ...ULV PLL lock voltage check point for 440 MHz PLL lock voltage check point for 1200 MHz RF UNIT BOTTOM VIEW 6MLV PLL lock voltage check point for 50 MHz TX RF UNIT TOP VIEW L702 Detector Output voltag...

Page 18: ...z Modulation 1 kHz Receiving Displayed frequency 107 000 MHz Receiving Displayed frequency 108 000 MHz Set an SSG as Frequency 108 000 MHz Level 1 0 V AM 107 dBm Modulation 1 kHz Mod depth 30 Receivin...

Page 19: ...5 5 LOGIC UNIT TOP VIEW 50 MHz WFM BAND AIR BAND and 145 MHz Sensitivity check point SD...

Page 20: ...layed frequency 92 000 MHz SEA USA 1 98 000 MHz EUR UK ITA AUS Connect the SSG to the antenna connector and set as Level 2 V 101 dBm Modulation 1 kHz Deviation 52 5 kHz Connect a terminator to the SP...

Page 21: ...level for the S meter to S3 Receiving Increase an SSG output level Receiving Displayed frequency 445 000 MHz USA 1 435 000 MHz other Connect the SSG to the antenna connector and set as Level 0 1 V 12...

Page 22: ...cy 1270 000 MHz Output power High Transmitting Output power Low Transmitting Top panel Top panel Top panel Top panel Connect an RF power meter to the antenna connector Connect an RF power meter to the...

Page 23: ...ransmitting Displayed frequency 445 000 MHz USA 1 only 435 000 MHz AUS SEA only Push D key while transmitting Transmitting Displayed frequency 435 000 MHz Push center of the multi func tion key while...

Page 24: ...GEJ 103 X 10 k R9 7030005110 S RESISTOR ERJ2GEJ 224 X 220 k R10 7030005220 S RESISTOR ERJ2GEJ 223 X 22 k R12 7030005840 S RESISTOR RR0510R 473 D 47 k R13 7030005840 S RESISTOR RR0510R 473 D 47 k R14 7...

Page 25: ...J 103 X 10 k R752 7030005230 S RESISTOR ERJ2GEJ 334 X 330 k R753 7030005000 S RESISTOR ERJ2GEJ 471 X 470 R754 7030005240 S RESISTOR ERJ2GEJ 473 X 47 k R755 7030005120 S RESISTOR ERJ2GEJ 102 X 1 k R756...

Page 26: ...102KBQ C927 4030013850 S CERAMIC ECUE1E102KBQ J1 6510019860 S CONNECTOR AXK6S40645P J3 6450002010 S CONNECTOR HSJ1501 011010 J4 6450001680 CONNECTOR HSJ1122 010010 DS1 5040002230 S LED CL 200YG C TS D...

Page 27: ...50000360 S DIODE 1SS364 TE85L D721 1750000360 S DIODE 1SS364 TE85L D801 1790000850 S DIODE MA132WK TX D802 1790001260 S DIODE MA2S077 TX D803 1790001260 S DIODE MA2S077 TX D804 1790001260 S DIODE MA2S...

Page 28: ...X 6 8 k R52 7030005040 S RESISTOR ERJ2GEJ 472 X 4 7 k R53 7030005570 S RESISTOR ERJ2GEJ 820 X 82 R57 7030005120 S RESISTOR ERJ2GEJ 102 X 1 k R58 7030007270 S RESISTOR ERJ2GEJ 151 X 150 R100 7030005090...

Page 29: ...RESISTOR ERJ2GEJ 103 X 10 k R855 7030005290 S RESISTOR ERJ2GEJ 682 X 6 8 k R857 7030008370 S RESISTOR ERJ2GEJ 561 X 560 R862 7030005290 S RESISTOR ERJ2GEJ 682 X 6 8 k R864 7030004980 S RESISTOR ERJ2G...

Page 30: ...50 S CERAMIC ECUE1E102KBQ C120 4030016820 S CERAMIC ECUE1HR75BCQ C121 4030013850 S CERAMIC ECUE1E102KBQ C123 4030014120 S CERAMIC ECUE1H100CCQ C124 4030013850 S CERAMIC ECUE1E102KBQ C131 4030013850 S...

Page 31: ...7 4030014280 S CERAMIC ECUE1H0R3BCQ C728 4030014100 S CERAMIC ECUE1H070CCQ C729 4030014020 S CERAMIC ECUE1H020BCQ C730 4030009820 S CERAMIC C1005 JB 1C 103K T A C731 4030009820 S CERAMIC C1005 JB 1C 1...

Page 32: ...CUE1E102KBQ C976 4030013850 S CERAMIC ECUE1E102KBQ C977 4030013850 S CERAMIC ECUE1E102KBQ C978 4030013850 S CERAMIC ECUE1E102KBQ C979 4030013850 S CERAMIC ECUE1E102KBQ C980 4030013850 S CERAMIC ECUE1E...

Page 33: ...KBQ C316 4030014280 S CERAMIC ECUE1H0R3BCQ C317 4030013850 S CERAMIC ECUE1E102KBQ C318 4030013850 S CERAMIC ECUE1E102KBQ C319 4030013850 S CERAMIC ECUE1E102KBQ C320 4030013850 S CERAMIC ECUE1E102KBQ C...

Page 34: ...EUR UK ITA 1 MP25 8930044470 1903 DC cap 1 MP26 8930044480 1903 Lens 1 MP28 8810008990 Screw PH BT M2x10 ZX 2 MP29 8810009510 Screw FH BT M2x4 NI ZU 11 MP30 8810009630 Screw FH No 0 M2x4 5 NI B 2 MP3...

Page 35: ...P1 C LOGIC unit VCO unit RF unit MP3 C MP18 C MP29 C MP9 C SP1 C MP22 C EP2 L MP25 C MP26 C MP6 C MP2 L MP29 C DS4 L MP1 L S1 C MP30 C J1 C MP21 C MP28 C MP2 C MP20 C MP17 C MP2 RF MP1 V MP31 C MP13 C...

Page 36: ...8A B E C UN9210 Symbol 8L B E C UN9211 Symbol 8A B E C B E C B E C UN9215 Symbol 8E UN921E Symbol 8N B E C XP1115 Symbol 9L XP1116 Symbol 7N XP1501 AB Symbol 5R B1 E B2 C1 C2 B1 E B2 C1 C2 B1 E B2 C1...

Page 37: ...3 R154 R305 R322 R18 R19 C321 R329 C322 R330 C328 R339 C320 R328 C326 R15 C77 C901 IC5 IC2 S7 DS3 R901 C927 C926 C751 C758 C754 Q754 C757 C241 C240 Q752 Q603 Q602 R752 R718 R730 R736 R735 C713 R734 R7...

Page 38: ...C252 C216 D304 Q361 Q303 Q302 C316 C317 C718 Q753 C306 C311 C904 C903 L2 FI701 S401 S402 C147 IC4 X1 J3 C142 C149 R301 R306 R307 R309 R918 R39 R2 R144 C148 C923 C141 C150 C917 R24 R38 R23 R32 R27 R28...

Page 39: ...5 C941 C923 R925 R158 C178 C873 C871 R839 C875 R10 C190 C345 R344 R343 R4 C93 R2 C88 C89 C937 C935 C939 C839 C180 C907 C908 R913 C802 C801 C831 C832 C827 R923 C924 R912 C915 C965 L917 L916 Q922 L912 L...

Page 40: ...51 R125 R124 R126 C135 R909 R908 C120 C121 C119 R110 C117 C114 R133 R414 C139 R895 C895 R894 C524 C521 C417 C900 R512 R615 R612 C991 C992 C 5 1 9 R870 R854 C816 R807 R869 R726 C731 R721 C726 R725 C192...

Page 41: ...322 C370 Q350 L330 L360 D351 L322 D322 L312 L302 Q301 Q302 L311 Q312 D312 L331 C389 C361 R369 R364 C365 C364 C363 R360 C322 D321 C321 C333 R301 R302 C302 C334 D302 D301 C304 R306 C323 C371 R324 C324 R...

Page 42: ...9 6 BOTTOM VIEW C388 R374 Q354 Q353 L333 L337 L336 R371 C380 C378 C381 C384 R373 L338 L335 L334 C375 C376 R372 C387 R321 C386 C385 C383 C303 C382 C379 C377...

Page 43: ...SW 430MHz BAND SW 144MHz Q306 2SJ364 Q305 2SJ364 Q304 2SJ364 DEV SW Q307 UN9214 BAMD SW 1200MHz REG 3C DC DC DATA CK DAST AF FILTER IC241 NJM2902V VOL Q751 XP1501 Q752 2SD2216 Q754 2SD2216 IC5 M62368...

Page 44: ...901 NJM3404AV PSET RX Lo FREQUENCY 50MHz BAND WFM BAND 144MHz BAND 430MHz BAND 1200MHz BAND Q301 3SK291 D309 MA2SV05 D310 MA2SV05 Q201 3SK292 D203 MA2S304 D306 MA2SV05 D202 MA2S304 RX FREQUENCY WFM BA...

Page 45: ...2SC4228 IC802 TB31242FN COMMON RX BUS 3C IC5 S 81332HG KC Q1 2SD2216 Q2 XP1501 Q3 2SB1132 T4 REG 3 TXC Q901 UN9211 Q902 2SD2216 Q903 2SB1132 D901 MA133 I O DC SW CHG VCC TO BATT DATA IC3 BU4094BCFV Q...

Page 46: ...1 K R248 470K C245 0 1 R246 120K C246 0 1 C247 100 P R247 100 K C243 0 1 R142 22 K C756 0 01 VCC VIN C718 0 1 R757 22 K R758 47 K C755 0 047 R760 1 M D I G C145 0 001 D143 MA2S111 R145 10 K C151 0 00...

Page 47: ...13 0 001 C720 0 047 R734 22 K C735 0 1 R733 20 K C736 0 001 SD NOISE L702 LS 528 Q702 UN9115 R729 1 8 K PSET 8 IC4 TC4W53FU C907 0 001 R1 NTCCF20124AH 473KCT TXC 5 6 7 4 3 2 1 C906 0 001 J1 AXK6S40645...

Page 48: ...20 0 1 C241 0 1 R241 1 M R244 82 K R243 82 K R242 470 K C242 0 039 R249 220 K C244 0 1 R245 82 K C240 0 0015 1 2 3 4 5 6 7 14 13 12 11 10 9 8 IC241 NJM2902V C252 0 0022 C251 0 001 R253 56K R254 56 K R...

Page 49: ...H Q341 2SC4215 O C347 0 01 C344 0 001 C348 3 P R351 15 R839 15 R867 220 Q813 2SC5107 O C854 0 001 C852 0 001 C833 0 001 R828 220 D810 MA6S121 C832 0 001 C831 0 001 L802 4 7 H C748 0 001 R726 4 7 K R72...

Page 50: ...4 0 001 C71 0 001 C213 0 001 C82 0 001 C70 0 001 Q202 UN9115 C197 0 001 C304 0 001 C513 0 001 D52 MA2S077 D51 MA2S077 C73 0 001 C141 0 001 C171 0 001 C180 0 001 R158 3 9 K C901 0 001 R919 4 7 K C912 2...

Page 51: ...001 R3 4 7 K C94 0 001 C875 0 001 C873 0 001 C871 0 001 C869 0 001 C867 0 001 C726 7 P C895 0 001 R895 33 K C894 0 001 C897 6 P R892 4 7 K D805 MA2S077 L809 22 nH R889 220 C888 0 001 C889 0 001 C882 0...

Page 52: ...ne 425 454 8155 Fax 425 454 1509 URL http www icomamerica com Customer Service Phone 425 454 7619 Glenwood Centre 150 6165 Highway 17 Delta B C V4K 5B8 Canada Phone 604 952 4266 Fax 604 952 0090 URL h...

Page 53: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan A 5566I S 1 1999 Icom Inc...

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