Icom IC-M802 SECTION 11 VOLTAGE DIAGRAMS, 11-1 RC-25and HM-135

SECTION 11 VOLTAGE DIAGRAMS

11-1 RC-25 and HM-135

CHASSIS UNIT W1

MICE(SHIELD)

7 1

6 8 2

53

4

		SW UNIT		MOD(YELLOW)
(BLACK)	PTT(RED)	S1	SW(GREEN)
		SKHHAMG24A
MAIN UNIT
		P
		S1	R2
		SKHHAMG24A
			33k
		UP
		S2

				AFE
MIC
J8701
MICE		7		1
PTTE	6		8	2
		5	4	3
				AF2
C8222	0.0047

C8218 10 C8221 0.0047 C8223 0.0047

MIC

MISW

AF1

PTT

C8226 0.0047

5V
R8236	100

R8247	C8244 10	R8224 47k	R8225 18k	R8226 1.8k	C8241 22	R8235 3.3k	R8223 47k	R8237 68k	C8242 0.0047	C8243 47	R8222 1k
	C8216 10
22
	D8204				R8227 10k						AF M1
W8201	1SS355
											FP
L8203 10∝											MCE
											MC
L8202 10∝											M2
W8202	D8205
	1SS355

D8250	R8254		R8253
1SS355	33k		6.8k
Q8251	6	5	4
XP4601
	1	2	3
CLONE		R8251 18k	R8255 47k

5V

C8250 0.01 R8252 100k R8250 100k

IC8250

TC7W04F

18

27

36

45

L8270

100∝

R8373 680

AFIN

	C8270 100	C8271 0.0047
R8270 680	C8373 0.1
C8295	100p

IC8270

TA7368F

1

2 NC

3VCC

4NC

5VINRIPPLE

W8270

5V

IC8290	12.9V
TA7805F

					O G I
			47	0.1	0.1	47	10
POUT	10		C8293	C8292	C8291	C8290	R8290
PWGND	9
PREGND	8		100
	7
PHASENF	6
		100	C8277
	C8274				IC8301
			10.11V
					AN8010M
W8271					O G I
			C8304 47	C8303 0.1	C8302 0.1	C8301 47
FE1		PHE	AF

		J8902
	FZ5V	FZ5V
	FZRX	FZRX
	FZTX	FZTX
	FZRS	FZRS
		NC
	FZMD	FZMD
		NC
		GND
		GND
		GND
		J8903
MI	EP8293	FMOD
FE1	EP8292	FMODG
	R8291	GND
AFIN	1k	FAF
	EP8296	FAFG
		H13V
LRXD	EP8294	TXD
LTXD	EP8295	RXD

J8601	J8602
FMOD	FMOD
FMODG	FMODG
GND	GND
FAF	FAF
FAFG	FAFG	to IC-M802 MAIN unit J2051
H13V	H13V
TXD	TXD
RXD	RXD

	SKHHAMG24A			R3
				6.8k
		DN
	S3			R4
	SKHHAMG24A
				15k
MC1	W1
	W2	C1	470p	R1	12k
HM-135
					J8702
		HEADPHONE
		/CLONE
	GROUP DIAL
	S8801
	TP90N937E20-15F-1540
	B	3		GPB	CP8201
		2		GPA	CP8202
	A	1		GND	CP8203
	COM

R8701 33 [USA],[OTH]

PMUT

	R8702 33
	[USA],[OTH]
	W8702 [CAN]
CP8201	GPB	R8230	47k
CP8202	GPA

CP8203 GND

IC8260

TC74HC4066AF

1

I/O1

VDD

14

2

O/I1

CONT1

13

3

12

4

I/O2O/I2

CONT4I/O4

11

5

CONT2

O/I4

10

6

CONT3

O/I3

9

7

VSS

I/O3

8

PHO

PHE

L8701

R8704

D8701

10∝

100

1SS355

R8703

100k

C8219

10

R8260

10k

R8705

1M

R8231

47k

R8232

47k

R8233

47k

Q8260

GPB

DTC114EU

GPA

0.0047	47k
C8260	R8263

C8261 22

5V

FE1

MC

MCE

W8280
R8229	10k
R8216	47k
LRXD
LTXD
	C8300	47p
5V

W8281

C8297 0.0047

C8284

2.2

C8283	R8283
10	1k

	R8281		C8288	0.0047
	100k		C8282
10k				10
R8280
R8288	1.8k	1.5kR8289	R8287
			10k
			Q8281
Q8280			2SC4116
2SC4116
		FZ5V	FZMD	FZRS
C8299 47p	L8206	HF50ACC322513-B

	R8284		MI	R8275
			R8285
	56k		470	3.3k
			R8276	C8294	1000p		IC8280
2
	-	1	1k				NJM2904M
3								8
	+		C8286
IC8280								V+
			47
NJM2904M								GND
			D8280
			DA221					4
R8282 120k
	R8278		R8274		Q8282			22
	12k		68k					C8280
	R8279	22k	10C8285		DTC114EU
								FZTX
								FZRX
	R8204				R8202	47k	R8203	47k
	47k
	10∝				C8202	100	C8201	0.1
	L8201

	L8286	7.83V
	10∝
C8289	0.0047	C8313 47	C8312 0.0047
C8281	0.0047
	C8287
	4.7

R8208 56k

IC8310

TA7808F

O G I
C8311 0.0047	C8310 47
R8706
100

W8296		GND
		GND
L8290
HF50ACC322513-B
C8298	0.0047
		J8205
		9V
		5V
R8707		GND
		GND
1k
	CL1	CL1
	RES	RES
R8708	CS	CS
NTCG16	RS	RS

WRWR

RDRD

GND

GND

DB0DB0

DB1DB1

DB2DB2

DB3DB3

DB4DB4

DB5DB5

GND								GND
GND								GND
				JACK BOARD
CP8241	CP8240	CP8239	CP8236	CP8235	CP8234	CP8233	CP8232	CP8231
J8220
9V
5V
GND
GND
CL1								LCL1
RES								LRES
CS								LCS
RS								LRS
WR								LWR
RD								LRD
GND
GND
DB0								LDB0
DB1								LDB1
DB2								LDB2
DB3								LDB3
DB4								LDB4
DB5								LDB5

B	3	CHB	CP8204
A	2	CHA	CP8205
COM	1	GND	CP8206

S8802

TP90N937E20-15F-1540

CHANNEL DIAL

SENSOR BOARD

CP8204

CHB

CHB

GPB

GPA

CHB

CHA

DSTK

CSCK

DALK

TUNK

MODK

SETK

EMLK

T1K

T2K

T3K

T4K

T5K

CP8205

CHA

CHA

CP8206

GND

R8206

R8239

R8207

R8240

C8205

C8207 12p

POWER

DS8340

47k

1k

47k

1k

0.01

Q8340

X8211

LED

2SC4116

CR-636A

R8340 22k

W8340

C8206 12p

80

79

78

77

76

75

74

73

72

71

70

69

68

67

66

65

64

63

62

61

DA221

POWER

DISTRESS

R8341 470

R8205 10k

D8201

D8203

DA221

SCK1/IRQ5/P86

RXD1/IRQ4/P85

TXD1/IRQ3/P84

P83

P82

P81

P80

VSS D7/P37 D6/P36 D5/P35 D4/P34 D3/P33

D2/P32

D1/P31

D0/P30

A0/P10

A1/P11

A2/P12

A3/P13

Q8341

LED

DISTRESS

DSTK

DS8341

2SC4116

/CALL/ALM

R8342 22k

DSC/CALL

CSCK

100k

4.95V

/CHO/SELCALL

R8343 470

CANCEL

DALK

R8352

1

60

T6K

/TELCAL/TXF

Q8342

RES

P14/A4

DS8342

IC8202

2

59

T7K

TUNE

TUNK

2SC4116

6.42V

S-80942CNMC-G9C

3

XTAL

P15/A5

58

T8K

R8344 22k

1

(THRU/METER)

5

4

EXTAL

P16/A6

57

T9K

MODE(DIM)

MODK

2

OUT

CD

5

MD1

P17/A17

56

R8345 470

R8209100k

3

VDD

4

C8209 0.01

6

MD0

VSS

55

DB0

SET

SETK

DS8343

C8208 0.1

VSS

NC

NMI

P20/A8

7

54

DB1

8

STBY

P21/A9

53

DB2

e-mail

EMLK

VCC2(VCL)

P22/A10

Q8343

C8220

9

IC8201

52

DB3

/DSC/TS(ALE)

0.47

10

SCK0/P52

P23/A11

51

DB4

1(NB)

T1K

DS8344

2SC4116

11

RXD0/P51

HD64F2134AFA20

P24/A12

50

DB5

R8346 56k

TXD0/P50

P25/A13

T2K

R8210

12

VSS

P26/A14

49

DB6

2(SQL)

13

48

DB7

T3K

R8347 390

47k

14

WAIT/P97

P27/A15

47

3(SCAN)

DS8345

15

EXCL/P96

VCC1

46

CS

16

IOS/AS/P95

P47/PWX1

45

RES

4(SP)

T4K

HWR/P94

P46/PWX0

R8211

47k

17

RD/P93

P45/TMRI1

44

WR

T5K

18

IRQ0/P92

P44/TMO1

43

RD

5(AGC)

DS8346

R8212

47k

19

IRQ1/P91

P43/TMCI1

42

RS

6(RF-G)

T6K

R8213

47k

20

ADTRG/IRQ2/P90

P62/FTIA/CIN2/KIN2/TMIY

P66/FTOB/CIN6/KIN6/IRQ6

P42/TMRI0/SCK2

41

CL1

P40/TMCI0/TXD2/IRTXD

P41/TMO0/RXD2/IRRXD

C8203 0.1

R8300

T7K

Q8344

P60/FTCI/CIN0/KIN0

P61/FTOA/CIN1/KIN1

P63/FTIB/CIN3/KIN3

P64/FTIC/CIN4/KIN4

P65/FTID/CIN5/KIN5

P67/CIN7/KIN7/IRQ7 AVCC P70/AN0 P71/AN1 P72/AN2 P73/AN3

3.9k

7(LO)

DS8347

2SC4116

8(MID)

T8K

R8348 68k

P76/AN6/DA0

P77/AN7/DA1

P74/AN4

P75/AN5

9(HI)

T9K

DS8348

R8349 330

AVSS

ENTK

ENT

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

T0K

DB6DB6

DB7DB7

MESUREMENT CONDITIONS frequency: 12.29 MHz mode: J3E(USB)

*ANT(RX): no input (TX): no modulation

Digital tester unit: V range: 20V

input impedance: 10MΩ

no specification: voltage at RX

DS3800-DS8311

TLYU1002

DS8300	DS8303	DS8306	DS8309
DS8301	DS8304	DS8307	DS8310
DS8302	DS8305	DS8308	DS8311
		1.98V
	Q8300
	2SD1619
47	1.92V
R8301		DS8312-DS8323

TLYU1002

DB6

LDB6

DB7

LDB7

CP8221

CP8222

CP8223

CP8224

CP8225

CP8226

CP8227

CP8228

CP8229

L8220 10∝

L8221 10∝

IC8240

HD66421TBO

1

GND1

COM100

306

C8230

0.1

2

VLCD1

COM99

305

C8231

0.1

3

VCC1

COM98

304

C8232

1

4

V5O

C8233

1

5

C8234

1

6

V4O

C8235

1

7

V3O

C8236

1

8

V2O

COM51

257

9

V1O

256

10

GREF

SEG160

255

IREFM

SEG159

R8241

R8246

11

254

IREFP

SEG158

1.8M

1.8M

12

VLCD2

13

VLCD3

C8237

14

VCC2

15

0.1

GND2

16

GND3

17

R8242

VCC3

18

OSC1

2.2M

19

OSC2

20

OSC

21

-018800

CO

22

DCON

LCL1

23

LCD

CL1

24

DS8220

HLC7700

FLM

2625

R8244

47k

M

LRES

27

M/S

RES

LCS

28

CS

VOLUME

R8901

VR5V CP8209

VOL CP8208

0

DS8349

C8204 0.1

FREQ/CH

FCHK

W8242

RX(CLAR)

RXK

Q8345

DS8350

2SC4116

R8243 100k

R8215

TXK

FUNK

TXK RXK FCHK

TOK ENTK

4.73V

TX(TXF)

R8350 68k

47k

R8241

6

FUNK

DS8340-DS8350

FP

R8221

1k

7

W8238

FUNC

4.73V

100k

SML-311YT

R8351 330

M1

R8218

1k

5 -

M2

R8219

1k

+

47k

IC8280

NJM2904M

EP8205

R8214

CP8209

VR5V

R8201

47k

R8302

DIMMER

3.9k

CP8208

VOL

DS8312	DS8315	DS8318	DS8321
DS8313	DS8316	DS8319	DS8322
DS8314	DS8317	DS8320	DS8323
			1.97V
	Q8301
	2SD1619

LRS				29	RS
LWR				30
					WR
LRD				31
					RD
				32
					VCC4
				33
					GND4
LDB0				34			99
					DB0	SEG3
LDB1				35			98
					DB1	SEG2
LDB2				36			97
					DB2	SEG1
LDB3				37			96
					DB3	COM50
LDB4				38			95
					DB4	COM49
LDB5				39
					DB5
LDB6				40
					DB6
LDB7				41
					DB7
				42
R8243		R8245			VCC5
	47k		47k	43
					GND5

TP96N97

GND CP8207

VR BOARD

CP8207	GND	R8234									R8246 47k
		1k	C8214	0.0047	C8211	0.0047	C8212	0.0047	C8210	0.0047

DISPLAY BOARD

1.91V

R8303 47

44		VCC6	COM3	49
	45			48
		VLCD4	COM2
46				47
		GND6	COM1

CONNECT BOARD

11 - 1