background image

5V

TEMPV

TEMPV

FCON

FCON

UNLK

UNLK

PLST

PLST

FCON
PCON

DAST

SQLI
SQLO

BEEP

BEPST

SCK
SDATA

MCON
BEPO
BEEP

VCC1
IN1
ENB
CLK
DATA
T1
LOK
CP1
FI1
FO1

GND1

IN2

VCC2

XB

XI

XO

GND2

CP2

FI2

FO2

OSCIN
OSCOUT
MIXOUT
VCC
IFIN
DEC
FILOUT
FILIN

MIXIN

GND

N-REC
N-DET

RSSI

IFOUT
QUAD

AFOUT

SCK
SDATA

3
4

1

1
2
3
4
5
6
7
8

VIN1
VOUT1
VPUT2
VIN2
VDD
LD
CLK
DI
VIN3
VOUT3
VOUT4
VIN4

VIN8

VOUT8
VOUT7

VIN7
GND

RESET

VDAREF

DO

VIN6

VOUT6
VOUT5

VIN5

1
2
3
4
5
6
7
8
9

10
11
12

24
23
22
21
20
19
18
17
16
15
14
13

16
15
14
13
12
11
10
9

1

2

3 4 5

2

5
6

8
9

10

7

18
17

20
19

16
15

13
12
11

14

R3

10 k

R4

47 k

2nd Lo

MODC

FI170

CFWM450E

C181

0.1

C179
120 P

SQLO

DAST

SCK

SDATA

DAST

SCK

SDATA

IC190

M62363FP-650C

5V

C180
120 P

R192

390

DET

DET

DET

R172

470

R176
6.8 k

R173
1.5 k

IC170

TA31136FN

C170
0.001

R174
220 k

C178
0.22

R175

47 k

R193

470

C194
0.01

C191
0.01

C192

10

R194
100 k

C193
0.01

C177

0.1

C176
0.001

C175
0.001

C3

220 P

R7

47 k

R22
560

L22

80 nH

C44

0.001

C32

1.5 P

C37

0.3 P

V5V

V5V

T5V

T5V

C65

470 P

Q53

2SK2973

L56

12 nH

Q54

2SK2974

L57

36 nH

C72

0.001

D52

1SV307

C80

0.001

L80

28 nH

L81

28 nH

C82
5 P

C84
7 P

R80
82 k

C87
2 P

R81
22 k

D80

1SS375

L82

36 nH

D50

MA77

R96
220 [M2A]
100 [M21]

R65

100 k

PCON

C51
22 P

C54
15 P

Q51

2SC4081 R

T5V

C58
0.1

R67

100 k

IC50

NJM2125F

R68
100

R69
15 k

1

5

2

4

3

Q52

XP6401

VCC

VCC

L51

82 nH

Q50

2SC4226 R25

R5V

R5V

Q21

2SC4226 R25

Q22

2SC4226 R25

Q23

2SC4215 O

C39
12 P

Q25

2SC4215 O

C43
22 P

C42
5 P

1st Lo

C121
0.001

L120
82 nH

L121
56 nH

C142
12 P

C140
12 P

L133
80 nH

C138
13 P

C137

2 P

D130
MA77

R131

1 k

BPFS

BPFS

V5V

R5V

Q220

2SA1588 GR

Q221

2SA1588 GR

Q222

2SA1588 GR

R222

10 k

R220

10 k

R224

10 k

R223
4.7 k

R221
4.7 k

R225
4.7 k

Q223

DTC144EUA

5V

Q225

2SB1132 Q

R227

10 k

VCC

IC220

NJM2870F05

R230

27 k

C226
0.01

CPU5V

AFV

AFV

CPU5V

1

5

4

2
3

CTRL
GND
NB

VIN

VOUT

Q224

XP6501 AB

R228

22 k

C134

1 P

C133
13 P

L130
82 nH

C131
12 P

Q90

2SC4226 R25

C104
47 P

C102
12 P

L94

80 nH

C100
12 P

D92

MA77

C99
2 P

C97
1 P

C96
12 P

L91

82 nH

C94
12 P

C92
47 P

BPFS
T5V

T5V

C108
47 P

Q24

2SC4215 O

C40
18 P

MP20

Q20

DTC144EUA

VCO CIRCUIT

MOD

PCON

MODC

PCON

MODC

PCON

R24

100 k

R25

100 k

L20

82 nH

R8
1 k

R9
10

CP1

R170

390

C159
0.01

Q151
2SC2714 Y

C156
0.001

FI151

FL-346

FI150

FL-346

R153
1.5 k

R152
1.5 k

R5V

Q150

3SK272

NOISV

MOD

5V

BEEP
VOLO
AFV

CPU5V

VOLO
AFV

CPU5V

BEEP
VOLO
AFV

CPU5V

BEPST

RSSIV

C171
82 P

R5V

R5V

5V

5V

5V

X1

CR-726

5V

IC1

UPD3140GS

C1
0.1

 

R1

473 k

R2

100 k

C2

0.01

D1

HVU17

C4

10 P

C7

0.01

C8
2 P

C9
2 P

C12

0.001

C5

12 P

R6
1 k

C6

0.001

R20
100

C20

0.001

C21
9 P

C10

0.047

X170

CDBCB450KCAY24

C174
0.001

R171
1.2 k

C160

0.0056

R155
1.5 k

R156

470

C155

6 P

R154
100 k

C158
0.001

C157
0.022

C153
0.001

C152
0.022

R151
3.3 k

C154
0.001

C150
0.001

R150

100

C143
0.001

R134

68

R133

10 k

C141

5 P

C139
33 P

L132
80 nH

C136
0.001

R132

10 k

C220

22

C221
0.01

C222
0.01

C223
0.01

T5VS

5VS

V5VS

R5VS

C224

22

R226
2.2 k

C225
0.22

C227

22

C228
0.001

C229
0.001

C230

10

R231

1 M

C231

1

6

1

5

2

4

3

R232

1 k

C232

0.1

R234
3.3 k

R233
2.2 k

R235
330 k

C233
0.01

R236
150 k

DS240

FY1101F-TR

R240

150

R241

820

R242

820

DS244

SML-311YTT86

DS245

SML-311YTT86

R245

1 k

BTYPE

TDETV

DS241

FY1101F-TR

DS242

SML-311YTT86

DS243

SML-311YTT86

BATTV

LEDL

LEDK

AFVS

6

5

4

1

2

3

C135
0.001

R130

10 k

L131
82 nH

C151
56 P

R10
2.2 k

C24
0.1

C25

0.001

C27
39 P

C28

0.001

C30

0.001

C11
2.2

C22
9 P

C26
47 P

R23

1 k

D20

MA2S077

D21

MA77

C31

0.001

R29
390

R30
68 k

C36

0.001

R31
680

R32
390

C50

0.001

R53
100

R52
4.7 k

C52

0.001

R55
3.3 k

R60

1 k

R61
0.15

R62

100 k

R63
10 k

C61

33

C62

0.001

C63

470 P

C67

470 P

L55

31 nH

MP50

R75
100

R71
100

C70
91 P

C71
27 P

C81
15 P

C83
22 P

C85
27 P

CP80

R82
3.9 k

C88

0.001

C68
47 P

C73

0.001

R76
150

R72

47

L53

15 nH

R59
15 k

R64
10 k

C59

0.001

C60

0.001

R70
15 k

R73

1 k

R74
10 k

C66

0.001

C64

0.001

R54

33

R58

1 k

6

5

4

1

2

3

C38

0.001

R34
470

C41

0.001

R35
68 k

C122
15 P

C132
33 P

C110
0.001

C109
470 P

C105
0.001

R94
33 k

R93

1 k

D93

MA728

C103

5 P

C101
33 P

L93

80 nH

R91

1 k

R90
10 k

L92

82 nH

C95
33 P

D91

1SV307

C93
4 P

D90

1SV307

C115
0.001
[M21] only

C91
22 P

C90
33 P

C240
0.001

R115
39 [M21] only

C98

0.001

C130

5 P

C107
0.01

C106
470 P

R95
100 [M2A]
47 [M21]

C123
10 P

R121

10 k

C120
0.01

R120
2.2 k

D51

MA77

R50

1 k

R56
1.2 k

C53

0.001

C55
24 P

R66

330 k

C56
0.01

C57
0.1

R57

82

R33
39 k

R26
8.2 k

C33

220 P

R28
180

R27
8.2 k

C34

1.5 P

D22

HVU350B

D23

HVU350B

C35

0.001

R36

1 k

C29

0.001

R5
330

+

1
2
3

VCC

Q230

2SB1132 Q

AFV

Q231

XP6501 AB

1

CP245

CP240

2

3

5

4

Q240

XP1213

5V

VOLO

VOLO

GND

GND

J240

IMSA-9230B-1-06Z124-T

from / to
the antenna connector

L90

44 nH

T5V
VCC

T5V

VCC

VCC

1
2
3
4
5
6

1
2
3
4
5
6

VCC

VOLO

VOLIN

VCC

5V

Q250

UN911H

PTT

PTT

5V

C254
0.01

IC260

TC4W66F

R258
4.7 k

R300

20 k

ATIS8

ATIS7

ATIS6

ATIS5

ATIS4

ATIS3

ATIS2

ATIS1

R302

20 k

DETM

DETM

MICM

AFOUT

R304

20 k

SPO

SPO

J251

BM02B-ASRS-TF

1
2

GND

R306

20 k

R308

20 k

D350

DA204U

Q350

DTC144TU

R353

1 k

CPU5V

R351

1 k

R310

20 k

R312

20 k

R314

20 k

MICM

DETIN

DETO

DET

R253
2.2 k

5V

IC200

NJM2902V

1
2
3
4
5
6
7

14
13
12
11
10
9
8

8
7
6
5

1
2
3
4

5V
DETM
MICO
MICIN

R255
150 k

R271

56 k

R272
120 k

C265
150 P

R273

22 k

R279
1.5 k

R276
180 k

C263
0.01

R288
220 k

R281

33 k

Q280

2SC4213 B

R286

10 k

IC280

TA7368F

AFOUT

R284

10

R350
470 k

CPU5V

IC340

HN58X2416TI

TEMPV

R346

10 

CPU5V

CPU5V

CPU5V

IC360

HD6433844RA60H

CPU5V

CPU5V

CPU5V

LCDC1

LCDC2

SCK

R362 1 k

PLST

SDATA

X360

CR-610

R365 1 M

IVOLM
CLOUT
CLIN
AFVS
R5VS

R372
100 k

R373
100 k

R374

68 k

R371 
100 k

BEEP

CP360

UNLK

TDEC

R360 1 k

R361 1 k

R363 1 k

R364 1 k

DAST

R366 220 k

R367 120 k

SCK

PLST

SDATA

DAST

CLIN

CLIN

RESET
BTYPE
CHEXT

WXTV

R343

10 k

IC341

S-80942ANMP-DD6

PTT

NC
VCC
NC
VIN
RIPPLE

10
9
8
7
6

POUT

PWGND

PREGND

PHASE

NF

1
2
3
4
5

R289
150 k

BEEP

BEEP

NOISV

NOISV

RSSIV

RSSIV

BEEP

NOISV

RSSIV

NOISV

RSSIV

VOLO

C267
0.22

WXTV

R263
100 k

C376

0.1

MIC

CP253

CP254

J250

HSJ1594-010050

CP255

CP252

CP251

CLONE
SPO
AFOUT
MIC
GND

CLONE

CLONE

SPO
AFOUT
MIC
GND

MC250

PTTSW

S250

R251

470

C250
0.01

R250
100 k

C251

10

R260

12 k

C260

10

R261
3.9 k

C261

0.1

R256

18 k

R202
100 k

R204
4.7 k

R205

27 k

R376
100 k

C200
0.01

C257
0.01

C262
0.01

R264
100 k

R265
100 k

C300

0.0033

R301

10 k

R303

10 k

R305

10 k

R307

10 k

R309

10 k

R311

10 k

R313

10 k

R315
20 k  

R257
4.7 k

C264

0.0056

C379
56 P

R277
100 k

R274
390 k

R282

10 k

C281
0.47

C285

0.1

C282

10

C289

220

C350
0.01

CP350

CP353

CP351

CP354

CP352

C361
0.047

C363
0.047

C364
0.047

R345
470 k

C360
0.01

R341

10 k

R340

10 k

ESCK

ESDA

C342

100

C341
0.027

C365
0.047

C366
0.047

C367
0.033

C368
0.047

CP355

C288
0.047

R283

33

C286

10

C287
150 P

TDETV

BATTV

BTYPE

C283

0.1

C284
0.001

C280
0.47

R275

10 k

C205
0.018

R214

15 k

C206
0.001

C207

0.1

C378

0.0047

C377
820 P

C266
0.027

R278

1 k

R352

15 k

C351
47 P

C352
47 P

CLOUT

C340
0.01

CLIN

IVOLM

R262
1.8 k

R375
4.7 k

CP250

C252
0.001

R252

33 k

UP

S320

S323

CHWX

SQL

SCAN

DOWN

16CH

S321

S322

S324

S325

S326

DW

HL

S327

R201

15 k

R203
1.2 M

R207

27 k

C202

0.1

R206

18 k

R377

82 k

R378

82 k

R379

82 k

A0
A1
A2
VSS

8
7
6
5

VCC

WP

SCL
SDA

1
2
3
4

OUT
VDD
VSS

CD

NC

1
2
3

5

76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99

100

75

74

73

72

71

70

69

68

67

66

65

64

63

62

61

60

59

58

57

56

55

54

53

52

51

P91/SEG34
P92/SEG35
P93/SEG36
P94/SEG37/M
P95/SEG38/DO
P96/SEG39/CL2
P97/SEG40/CL1
P40/SCK32
P41/RXD32
P42/TXD32
P43/IRQ0
AVCC
PBO/AN0
PB1/AN1
PB2/AN2
PB3/AN3
PB4/AN4
PB5/AN5
PB6/AN6
PB7/AN7
PC0/AN8
PC1/AN9
PC2/AN10
PC3/AN11
AVSS

P90/SEG33

P87/SEG32

P86/SEG31

P85/SEG30

P84/SEG29

P83/SEG28

P82/SEG27

P81/SEG26

P80/SEG25

P79/SEG24

P76/SEG23

P75/SEG22

P74/SEG21

P73/SEG20

P72/SEG19

P71/SEG18

P70/SEG17

P67/SEG16

P66/SEG15

P65/SEG14

P64/SEG13

P63/SEG12

P32/SEG11

P61/SEG10

P60/SEG9

SEG18
SEG19
SEG20
SEG21
SEG22
SEG23

5VS
MICM

WET
CPU5V

NOISV
BATTV
TDETV
TEMPV
RSSIV
PTT

SEG17

SEG16

SEG15

SEG14

SEG13

SEG12

SEG11

SEG10

SEG9

SEG8

SEG7

SEG6

SEG5

SEG4

SEG3

SEG2

SEG1

DW

SCAN

CHWX

16CH

DPWN

UP

SQL

HL

ATIS8
ATIS7
ATIS6
ATIS5
ATIS4
ATIS3
ATIS2
ATIS1

50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26

DS360

A0153A

COM1

COM2

COM3

SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23

1
2
3
4
5
6
7
8
9

10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26

SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
COM1
COM2
COM3

T5VS

V5VS

LEDL

ESCK

ESDA

LEDK

CP361

UNLK

BPFS

C370
18 P

C371
22 P

C372

0.1

C373

0.1

C374

0.1

C375

0.1

P57/WKP7/SEG8
P56/WKP6/SEG7
P55/WKP5/SEG6
P54/WKP4/SEG5
P53/WKP3/SEG4
P52/WKP2/SEG3
P51/WKP1/SEG2
P50/WKP0/SEG1

PA0/COM1
PA1/COM2
PA2/COM3
PA3/COM4

VCC

V0
V1
V2
V3

VSS

CVCC

P37/AEVL
P36/AEVH

P35/TXD31
P34/RXD31
P33/SCK31

P32/RESO

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

P10/TMOW

P11/TMOFL

P12/TMOFH

P13/IMIG

P14/IRQ4/ADTRG

P15/IRQ1/TMIC

P16/IRQ2

P17/IRQ3/TMIF

X1

X2

VSS

OCS2

OSC1

TEST

RES

P20/SCK1

P21/SI1

P22/SD1

P23

P24

P25

P26

P27

P30/PWM

P31/UD

R212
1.5 k

R213

68 k

AFV

VOLO

AFV

MOD

BEPST

VOLIN

BEPST

BEPST

VOLIN

VOLIN

VOLIN

NOISV

MOD

BEPST

RSSIV
VOLIN

VOLIN

VOLIN

VOLIN

VOLIN

5V

VOLO

BEPO

DET

BEEP

NOISV

RSSIV

VOLO
AFV

MOD

BEPST

VOLIN

BEPO

BEPO

DET

BEEP

NOISV

RSSIV

VOLO

AFV

MOD

BEPST

VOLIN

BEPO

DET

MOD

BEPO

5V

3216

3216

C49
18 P

C48
18 P

L49

47 nH

5W_TX 3.2 V
1W_TX 1.2 V

3.6 V

RX 3.5 V

RX 1.2 V

RX 3.9 V

RX 0.7 V

RX 3.2 V

RX
0.8 V

CH16_RX 4.7 V
CH88_RX 0.0 V

5W_TX 2.4 V
1W_TX 0.5 V

Power Save OFF 5.0 V

7.5 V

Back-Light ON
3.7 V

Back-Light ON
3.8 V

5.0 V

AF Mute OFF
7.5 V

TX 4.9 V

RX 4.9 V

Power Save OFF 4.9 V

1.9 V

7.9872 MHz
3.4 Vp-p

SECTION 11 

VOLTAGE DIAGRAM

11 - 1

11-1 MAIN UNIT

Summary of Contents for IC-M2A

Page 1: ...SERVICE MANUAL VHF MARINE TRANSCEIVER...

Page 2: ...sses 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 until the transceiver is disconnect...

Page 3: ...S 4 3 4 5 CPU PORT ALLOCATIONS 4 4 SECTION 5 ADJUSTMENT PROCEDURES 5 1 PREPARATION 5 1 5 2 PLL AND TRANSMITTER ADJUSTMENTS 5 4 5 3 RECEIVER ADJUSTMENT 5 5 SECTION 6 PARTS LIST SECTION 7 MECHANICAL PAR...

Page 4: ...450 MHz Rx 156 025 MHz 163 275 MHz Rx 156 000 MHz 163 425 MHz 16K0G3E FM BP 224 7 2 V DC 20 C to 60 C 4 F to 140 F 15 C to 55 C 5 F to 131 F 10 ppm 1 5 kHz 1 5 A 1 2 A 0 7 A 0 6 A FRG only 200 mA 20...

Page 5: ...075 156 125 156 125 156 175 156 175 156 225 156 225 156 275 156 275 156 325 156 325 156 375 156 425 156 475 Rx only 156 575 156 625 Receive 157 050 161 700 157 100 161 750 157 150 161 800 161 850 161...

Page 6: ...157 150 157 150 157 200 157 250 157 300 157 350 157 400 157 850 156 025 156 075 156 075 156 125 156 175 156 175 156 225 156 225 156 275 156 275 156 325 156 325 156 375 156 425 156 475 Rx only 156 575...

Page 7: ...2125F IF amplifier Q151 2SC2714 Y TX RX switch D50 D51 MA77 Antenna switching circuit D90 1SV307 D91 1SS375 1st mixer Q150 3SK272 VCO circuit IF DETECTOR IC IC170 TA31136FN PLL IC IC1 PD3140GS D A con...

Page 8: ...1 screw A 2 x 10 mm and remove 1 washer B Unscrew 3 screws C 2 x 8 mm Remove the rear panel and rubber from the front panel Unscrew 1 nut D Unscrew 2 screws E 2 x 6 mm Take off the chassis unit in th...

Page 9: ...e signal is then mixed with a 2nd LO signal for conversion into a 450 kHz 2nd IF signal IC170 contains the 2nd mixer limiter amplifier quadrature detector and active filter circuits A 21 25 MHz 2nd LO...

Page 10: ...signal at the VCO circuit Q21 Q22 D22 D23 The oscillated signal is amplified at the buffer amplifiers Q23 Q24 4 2 3 DRIVE POWER AMPLIFIER CIRCUITS MAIN UNIT The signal from the VCO circuit passes thr...

Page 11: ...a the TX RX switching diode D50 D51 Shift register Prescaler Phase detector Loop filter Programmable counter Programmable divider X1 21 25 MHz 2nd LO signal 21 25 MHz to the FM IF IC IC170 Q21 Q22 D22...

Page 12: ...Low While H L key is pushed Input port for the SQL key Low While SQL key is pushed Input port for the Y key Low While Y key is pushed Pin number 54 55 56 57 58 83 84 85 86 88 91 93 94 95 Port name DOW...

Page 13: ...AND RANGE Output voltage 7 5 V DC Current capacity 3 A or more Measuring range 0 1 10 W Frequency range 100 300 MHz Impedance 50 SWR Less than 1 2 1 Frequency range 0 1 300 MHz Frequency accuracy 1 pp...

Page 14: ...k SINAD meter Speaker 8 OPC 782 Optional plug adapter cable DETACHING ATTACHING THE TOP PANEL Detach the TOP PANEL with a sharp point such as tweezers for adjustment BE CAREFUL cracking the TOP PANEL...

Page 15: ...l ch16 Set an SSG as Frequency 156 8 MHz ch 16 Level 3 2 V 97 dBm Modulation 1 kHz Deviation 3 5 kHz Receiving MAIN Top Panel Connect a digital multi meter or oscil loscope to the check point CP1 Conn...

Page 16: ...ENCY Fr OUTPUT POWER Po H Hi Po M Mid Po L Low Po ML Extra Low FM DEVIATION dE SQUELCH LEVEL nL S METER SL Top Panel Top panel Top panel Top panel Top panel Loosely couple the frequency counter to the...

Page 17: ...5 6200006980 S COIL ELJRE R10G F L49 6200005740 S COIL ELJRE 47NG F L50 6200006980 S COIL ELJRE R10G F L51 6200007000 S COIL ELJRE 82NG F L52 6200010230 S COIL EXCCL3216U1 L53 6200002330 S COIL LQN 1A...

Page 18: ...R ERJ3GEYJ 151 V 150 R241 7030003430 S RESISTOR ERJ3GEYJ 821 V 820 R242 7030003430 S RESISTOR ERJ3GEYJ 821 V 820 REF ORDER DESCRIPTION NO NO MAIN UNIT R245 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 k R25...

Page 19: ...A C109 4030006850 S CERAMIC C1608 JB 1H 471K T A 6 3 REF ORDER DESCRIPTION NO NO MAIN UNIT C110 4030006860 S CERAMIC C1608 JB 1H 102K T A C115 4030006860 S CERAMIC C1608 JB 1H 102K T A M21 only C120...

Page 20: ...ERAMIC C1608 JB 1H 333K T A C368 4030008920 S CERAMIC C1608 JB 1H 473K T A C370 4030007040 S CERAMIC C1608 CH 1H 180J T A C371 4030007050 S CERAMIC C1608 CH 1H 220J T A C372 4030011600 S CERAMIC C1608...

Page 21: ...056890 2497 A terminal 1 MP35 8930056900 2497 B terminal 1 MP36 8810008640 Screw B0 2 x 4 NI ZU BT 2 MP37 8930056910 2497 C terminal 1 MP38 8810009510 Screw B0 2 x 4 NI ZU BT 1 MP39 8810009510 Screw B...

Page 22: ...CHASSIS PARTS M MAIN UNIT V VR UNIT NOTE1 Once the following parts are removed a O ring or sealing must be replaced with new one before reattachement Mother part Daughter part for relayted replacemen...

Page 23: ...8930047830 Leg cushion C 2 CHASSIS REF NO ORDER NO DESCRIPTION R1 7070001130 RESISTOR 120 ERG2SJ R2 7070001140 RESISTOR 150 ERG2SJ R3 7010007100 RESISTOR 1K PSD1 4V J1 6510023070 CONNECTOR HEC2305 01...

Page 24: ...XP6401 Symbol 5O G S D S D G top view S B E C B E C B E C E1 B1 B2 C1 C2 G1 G2 S D 2SA1588 GR Symbol ZG 2SB1132 Q Symbol BAQ 2SC2714 Y Symbol QY 2SC4081 R Symbol BR 2SC4213 B Symbol AB B E C B C E B...

Page 25: ...SECTION 9 BOARD LAYOUTS 9 1 CHARGE UNIT BC 150 TOP VIEW BOTTOM VIEW 9 1 DS1 R3 J1 R2 R1 B5787B MP2 MP1...

Page 26: ...DS241 C48 C44 C49 R56 C51 R55 CP353 Q50 L50 C55 R71 L49 C52 R54 L52 R120 C122 L120 D50 R221 C221 R223 R224 Q222 IC50 R66 C56 C60 R68 C58 R67 R59 C57 R58 R62 Q52 R231 R230 R225 R282 C233 CP250 R235 IC2...

Page 27: ...R345 R303 R307 R315 B5714E IC360 R341 CP350 C3 R2 C350 C170 C251 S250 C289 C288 C229 C98 R90 C97 L91 C95 L94 D91 CP80 R115 R80 D90 L81 C91 C90 C104 D93 R95 C136 C101 R132 C135 C130 C110 C131 R130 L13...

Page 28: ...9 4 9 3 VR UNIT TOP VIEW R500 B5715A to the MAIN unit J240 VCC VCC NC VOLIN VOLO GND BOTTOM VIEW...

Page 29: ...0 TC4W66F ANALOG SW LPF IC200C NJM2902V BEPO AF MUTE SW DE ENPHA MIC AMP IC200B NJM2902V R286 10 k C285 0 1 AFVS Q280 2SC4213 B IVOLM AF AMP AF REG PRE ENPHA R253 2 2 k C254 0 01 Q230 2SB1132 Q Q231 X...

Page 30: ...4 7 k CP250 C252 0 001 R252 33 k UP S320 S323 CHWX SQL SCAN DOWN 16CH S321 S322 S324 S325 S326 DW HL S327 R201 15 k R203 1 2 M R207 27 k C202 0 1 R206 18 k R377 82 k R378 82 k R379 82 k A0 A1 A2 VSS 8...

Page 31: ...P C7 0 01 C8 2 P C9 2 P C12 0 001 C5 12 P R6 1 k C6 0 001 R20 100 C20 0 001 C21 9 P C10 0 047 X170 CDBCB450KCAY24 C174 0 001 R171 1 2 k C160 0 0056 R155 1 5 k R156 470 C155 6 P R154 100 k C158 0 001...

Page 32: ...242 SML 311YTT86 DS243 SML 311YTT86 BATTV LEDL LEDK AFVS 6 5 4 1 2 3 R60 1 k R61 0 15 R62 100 k R63 10 k C61 33 C62 0 001 C63 470 P C67 470 P L55 31 nH MP50 R75 100 R71 100 C70 91 P C71 27 P C81 15 P...

Page 33: ...k ATIS8 ATIS7 ATIS6 ATIS5 ATIS4 ATIS3 ATIS2 ATIS1 R302 20 k DETM DETM MICM AFOUT R304 20 k SPO SPO J251 BM02B ASRS TF 1 2 GND R306 20 k R308 20 k D350 DA204U Q350 DTC144TU R353 1 k CPU5V R351 1 k R310...

Page 34: ...11 2 11 2 VR UNIT CP506 1 2 3 4 5 6 CP505 CP504 CP503 CP502 CP501 CP500 GND VOLO VOLIN NC VCC VCC R500 B 5715A VCC HV From BATTERY...

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