Albrecht CB Radio AE 6490 Bedienungsanleitung

SERVICE MANUAL

CB Radio AE 6490

Downloaded from www.cbradio.nl

D D

C C

B B

A A

LCD1

LCD2

LCD3

LCD4

LCD5

LCD6

LCD7

LCD8

LCD9

LCD10

LCD11

LCD12

LCD13

LCD14

LCD15

LCD31

LCD30

LCD29

LCD28

LCD27

LCD26

LCD25

LCD24

LCD18

LCD17

LCD16

LCD1

LCD2

LCD3

LCD4

LCD5

LCD6

LCD7

LCD8

LCD9

LCD10

LCD11

LCD12

LCD13

LCD14

LCD15

LCD23

LCD22

LCD21

LCD20

LCD19

LCD16

LCD17

LCD18

LCD19

LCD20

LCD21

LCD22

LCD23

LCD25

LCD26

LCD27

LCD28

LCD29

LCD30

LCD31

AK_STB

CH_UP

CH_DN

PLL_CLK

TX_OUT

AMUTE

TX_UNLOCK

MIC_IN

POP_MUTE

RSSI

SW_ON

KEYIN1

KEYIN2

KEYIN1

KEYIN2

TWO_COLOR

DIM

VLC2

VLC1

VLC0

VLC2

VLC1

MIC_UP_DOWN

PTT_IN

AMUTE

MIC_IN

AK_CLK

AK_EN

XIN

TX_UNLOCK

VLB_SW

TX_OUT

RSSI

SQ_IN

SP_GND

AM_1W

AM_FM

BAND3

BAND2

CH_UP

CH_DN

R.BEEP

XIN

SQ_IN

SP_GND

BAND1_UK_Fre

VLB_SW

AK_CLK

AK_DET_OUT

AK_STB

AK_EN

PLL_DATA

PLL_EN

PLL_CLK

DIM

ASQ_OUT

TX_OUT

AM_1W

BAND3

BAND2

R.BEEP

AM_FM

AK_DET_OUT

BAND1_UK_Fre

LCD24

SW_ON

LSQ_IN

POP_MUTE

Title

Size Document Number Rev

Date: Sheet of

AE6490 CPU MPA2

11Tuesday, April 06, 2010

Title

Size Document Number Rev

Date: Sheet of

AE6490 CPU MPA2

11Tuesday, April 06, 2010

Title

Size Document Number Rev

Date: Sheet of

AE6490 CPU MP

AE6490-CPU-Frontpanel-Circuit

11Tuesday, April 06, 2010

AMEBER

BLUE

VLB ON: LOW

OPTION

LEVEL SQ: NOT USED

WIRE 2PIN CONNECTOR

ECO_0406

D504

2 LED

D504

2 LED

R522

R501

10_3216

R501

10_3216

LCD501

SOP7909D

LCD501

SOP7909D

LCD1

1LCD2

2LCD3

3LCD4

4LCD5

5LCD6

6LCD7

7LCD8

8LCD9

9LCD10

10 LCD11

11 LCD12

12 LCD13

13 LCD14

14 LCD15

15 LCD16

16 LCD17

17 LCD18

18 LCD19

19 LCD20

20 LCD21

21 LCD22

22 LCD23

23 LCD24

24 LCD25

25 LCD26

26 LCD27

27 LCD28

28 LCD29

29 LCD30

30 LCD31

L504

C527

R503

100_3216

R503

100_3216

R524

100K

R524

100K

C526

470P

C526

470P

C518

20P

C518

20P

R525

10K

R525

10K

R537

D509

FDZ5.1T1G.200mW

D509

FDZ5.1T1G.200mW

R509

4.7K

R509

4.7K

L501

NLV25T-680J-PF

L501

NLV25T-680J-PF

D506

KDS160

D506

KDS160

C505

104P

C505

104P

R513

4.7K

R513

4.7K

Q505

KRC102S

Q505

KRC102S

C522

102P

C522

102P

R533

1.8K

R533

1.8K

L505

Q504

KRC102S

Q504

KRC102S

R527

330

R527

330

R534

3.9K

R534

3.9K

C530

0.047

C530

0.047

Q506

KTA1504Y

Q506

KTA1504Y

SW1

AMFM/MENU

SW1

AMFM/MENU

SW5

ASQ/CTCSS

SW5

ASQ/CTCSS

J502

VOL/SQ BOARD SOLDER

J502

VOL/SQ BOARD SOLDER

CH_UP 1

CH_DN 2

5V 3

9V 4

BAND3 5

BAND2 6

BAND1 7

R.BEEP 8

AM_1W 9

AM_FM 10

DI 11

CL 12

CE 13

Ground 14

R510

10K

R510

10K

R502

100_3216

R502

100_3216

J503

MAIN BOARD SOLDER

J503

MAIN BOARD SOLDER

ASQ 1

MIC_IN 2

SQ_IN 3

RSSI 4

TX_OUT 5

TO_DET 6

TONE_EN 7

XIN 8

CT_STB 9

TON_CLK 10

FC 11

TX_UN 12

AMUTE 13

SP_GND 14

VLB_SW 15

Ground 16

C521

223P

C521

223P

C520

102P

C520

102P

C514

47P

C514

47P

J503

2PIN CONNECTOR

J503

2PIN CONNECTOR

POP

LSQ

Q502

KRA101S

Q502

KRA101S

C504

102P

C504

102P

R519

10K

R519

10K

R538

2.2K

R538

2.2K

R515

100K

R515

100K

C525

223P

C525

223P

R526

220

R526

220

SW2

SCAN/MSCAN

SW2

SCAN/MSCAN

MIC501

SCN-16-6(R)

MIC501

SCN-16-6(R)

Q503

KRC102S

Q503

KRC102S

R506

10K

R506

10K

R535

10K

R535

10K

R528

100K

R528

100K

Q501

KRC101S

Q501

KRC101S

R523

NOT USED_675

R523

NOT USED_675

R511

10K

R511

10K

C529

0.047

C529

0.047

C524

223P

C524

223P

D502

2 LED

D502

2 LED

R517

NOT USED_240

R517

NOT USED_240

R508

2.2K

R508

2.2K

R530

100K

R530

100K

D507

KDS160

D507

KDS160

R507

18_3216

R507

18_3216

XT501

3.6864MHZ

XT501

3.6864MHZ

R512

D505

2 LED

D505

2 LED

C502

102P

C502

102P

Q509

KRA101S

Q509

KRA101S

U501

S3C8249X

U501

S3C8249X

LCD23

73 LCD24

74 LCD25

75 LCD26

76 LCD27

77 LCD28

78 LCD29

79 LCD30

LCD22

72 LCD21

71 LCD20

70 LCD19

69 LCD18

68 LCD17

67 LCD16

66 LCD15

65 LCD14

64 LCD13

63 LCD12

62 LCD11

CH_DN 21

AK_DET_OUT 22

AM_1W 23

LSQ_IN 24

PTT_IN 25

SQ_IN_BUSY 26

VLB_SW 27

AM_FM 28

DIM 29

BAND3 30

TW0_COLOR 31

AMUTE 32

BAND2 33

BAND1_UK_Fre 34

TX_UNLOCK 35

RSSI 36

KEYIN1 37

KEYIN2 38

ASQ_OUT 39

M_U_D 40

VLB_OPTION 41

CH_OPTION 42

MIC_MUTE 43

AVref 44

AVss 45

CB 46

CA 47

VLC0 48

VLC1 49

VLC2 50

LCD1 51

LCD2 52

LCD3 53

LCD4 54

LCD5 55

LCD6 56

LCD7 57

LCD8 58

LCD9 59

LCD10 60

EEP_CK

EEP_PLL_DA

PLL_ENABLE

XIN

XTIN

LCD31

VSS

CH_UP

PLL_CLOCK

TX_OUT

TEST

R.BEEP

XOUT

XTOUT

AK_STB

4AK_EN

VDD

RESET

AK_CLK

SW3

CH9/CH19

SW3

CH9/CH19

R505

100_3216

R505

100_3216

C503

102P

C503

102P

U502

CAT24C16

U502

CAT24C16

SDA 5

VSS

4SCL 6

NC1

1NC2

2WP

3VCLK 7

VCC 8

R529

220K

R529

220K

D508

FDS501

D508

FDS501

L503

C515

1/16V(T)

C515

1/16V(T)

C513

10UF/10V(T)

C513

10UF/10V(T)

R516 10KR516 10K

C516

104P

C516

104P

R521

100K

R521

100K

C531

0.047

C531

0.047

C517

20P

C517

20P

R504

100_3216

R504

100_3216

C512

102P

C512

102P

D503

2 LED

D503

2 LED

Q507

KRC102S

Q507

KRC102S

D501

2 LED

D501

2 LED

L506

R532

47K

R532

47K

C506

104P

C506

104P

C519

102P

C519

102P

C523

223P

C523

223P

C501

104P

C501

104P

R514

10K

R514

10K

R518 NUR518 NU

C528

SW4

MEM/MEM SAVE

SW4

MEM/MEM SAVE

R531

100K

R531

100K

R520

4.7K

R520

4.7K

Albrecht AE 6490-12 V main board

D D

C C

B B

A A

TX_UNLOCK

BAND3

BAND2

BAND1_UK_Fre

BAND2

TX_OUT

PLL_EN

PLL_CLK

PLL_DATA

VLB_FIN

VLB_PD

13.8V

SW_ON

AM_FM

VOL_OUT

BAND2

RF_GAIN

VLB_IF_IN

AK_EN

SP_GND

BAND3

MIC_IN

SQ_IN

RSSI

AM_1W

ASQ_OUT

AM_FM

VOL_IN

AMUTE

R.BEEP

POP_MUTE

XIN

AK_STB

AK_CLK

AK_DET_OUT

R.BEEP

AM_1W

AM_FM

VLB_SW

VLB_B+

VLB_RF_IN

VLB_B+

Q18

CH_UP

CH_DN

VOL_IN

VOL_OUT

RF_GAIN

SW_ON

13.8V

CH_UP

CH_DN

PLL_EN

PLL_CLK

PLL_DATA

AMUTE

MIC_IN

AK_CLK

AK_EN

XIN

TX_UNLOCK

VLB_SW

TX_OUT

ASQ_OUT

RSSI

SQ_IN

SP_GND

AK_DET_OUT

AK_STB

R.BEEP

PLL_DATA

BAND1_UK_Fre

Q18

SQL

SQLB

POP_MUTE

LSQ_IN

Title

Size Document Number Rev

Date: Sheet of

AE6490 RF MAIN MPA1

11Saturday, April 24, 2010

Title

Size Document Number Rev

Date: Sheet of

AE6490 RF MAIN MPA1

11Saturday, April 24, 2010

Title

Size Document Number Rev

Date: Sheet of

AE6490 RF MAIN MPA1

11Saturday, April 24, 2010

13.8V

AGC

FM:HIGH

ASQ:HIGH

BAND1 UK_Fre port control .

과이같은로 됨

UK:LOW CE:HIGH

SIGNAL YES: LOW SIGNAL NO:HIGH

-47dBm

NET

추가

MAX.1.85KHZ

MAX.82% AT CE

LEVEL SQ: NOT USE

9CH,RX VCO TUNING IS 2.0V

LIB 3216

수정

R117

10K_1%

R117

10K_1%

R32 NUR32 NU

19mm_Trans

R96

R14

C43

R148

47K

R148

47K

C16

18P

C16

18P

VOL/SQ BOARD SOLDER

CH_UP 1

CH_DN 2

5V 3

9V 4

BAND3 5

BAND2 6

BAND1 7

R.BEEP 8

AM_1W 9

AM_FM 10

DI 11

CL 12

CE 13

Ground 14

R126

10K

R126

10K

C87

680P

C87

680P

C29

0.047

C29

0.047

0.55*3.4*7.5T(R)

Q32

KTB1366Y

Q32

KTB1366Y

D20

KDS226

D20

KDS226

C145

0.01

C145

0.01

C75

0.01

C75

0.01

C70

47UF/16V(E)

C70

47UF/16V(E)

D14

KDS160

D14

KDS160

Q35

KTA1505Y

Q35

KTA1505Y

R115

33K

R115

33K

C90

33UF/16V(E)

C90

33UF/16V(E)

C89

R18

R123

C122

10P

C122

10P

R85

10K

R85

10K

R34

D18

C35

270P_2012

C35

270P_2012

R130

22K

R130

22K

R121

4.7K

R121

4.7K

21420033

C37

270P

C37

270P

R20

R169

2.2K

R169

2.2K

R136

10K

R136

10K

C139

470P

C139

470P

R131

C101

R112

0 OHM

R112

0 OHM

KTC3880Y

R23

C138

0.1

C138

0.1

C20

68P_3216

C20

68P_3216

R17

2SC2078

Q41

KRC102S

Q41

KRC102S

IC1

LC7152NM

IC1

LC7152NM

Xin

LDB/

LDA/

NC 7

TEST

PDA2

PDA1 10

AIA 11

AOA 12

OUT/A

PIA 14

VSS

PIB 16

VDD 17

NC 18

OUT/B

AOB 20

AIB 21

PDB1 22

PDB2

XOUT

C159

104P

C159

104P

Q39

C112

R101

680_3216

R101

680_3216

R74

2.7K

R74

2.7K

JACK1

TH-35C

JACK1

TH-35C

21420038

3 4

1 6

C131

C60

R116

15K

R116

15K

C30

C144

47UF/16V(E)

C144

47UF/16V(E)

C71

1UF_2012

C71

1UF_2012

C78

10UF/16V(E)

C78

10UF/16V(E)

Q45

KTC3880Y

Q45

KTC3880Y

R161

1M_ECO

R161

1M_ECO

D30

KDS160

D30

KDS160

C84

33UF/16V(E)

C84

33UF/16V(E)

R22

*220K

R22

*220K

C99

R152

56K

R152

56K

R36

15K

R36

15K

C73

0.001

C73

0.001

R27

12K

R27

12K

R16

150K

R16

150K

2SC2314(F)

D13

5.6V500mW

D13

5.6V500mW

C129

0.001

C129

0.001

U10C

14066_6

U10C

14066_6

4 3

R92

180_3216

R92

180_3216

Q25

KRC102S

Q25

KRC102S

C130

D25

KDV251S-C

D25

KDV251S-C

21420037,7BL-5312

3 4

1 6

R146

56K

R146

56K

R164

1.8K

R164

1.8K

R60

4.7_2W

R60

4.7_2W

R87

SHORT

R87

SHORT

C98

47UF/35V

C98

47UF/35V

C56

0.01

C56

0.01

IC4

MC3361D/UTC3361

IC4

MC3361D/UTC3361

OSC

Mix_0ut

VCC

Limiter_in

Dec

Quad

8Audio 9

Filter_in 10

Filter_out 11

SQ_IN 12

Scan 13

Mute 14

GND 15

Mixer_in 16

C80

0.33_2012

C80

0.33_2012

C147

100P

C147

100P

C50

CT10

1UF

CT10

1UF

R41

10K

R41

10K

U4A

UTC4558

U4A

UTC4558

8 4

C134

100P

C134

100P

C160

47UF/16V(E)

C160

47UF/16V(E)

Q10

KTC3880Y

Q10

KTC3880Y

R97

10K

R97

10K

C88

0.01

C88

0.01

C65

0.1

C65

0.1

C28

390P_3216

C28

390P_3216

C157

0.01

C157

0.01

R56

100

R56

100

R64

10K

R64

10K

R89

3.3K

R89

3.3K

D22

KDR357

D22

KDR357

C156

0.01

C156

0.01

Q34

KTC3875Y

1N5401

R162

12K

R162

12K

R155

330

R155

330

C12

R26

R25

4.7K

R25

4.7K

Q57

KTC3875(ALY)

Q57

KTC3875(ALY)

R143

2.2K

R143

2.2K

C46

150P

C46

150P

R153

R78

100

R78

100

VR1

631H,5KB

VR1

631H,5KB

1 2

C119

C85

0.001

C85

0.001

R21

68_2012

R21

68_2012

R33

100K

R33

100K

R114

47K

R114

47K

R69

C59

470UF/16V(E)

C59

470UF/16V(E)

C903

330P_3216

C903

330P_3216

1.5K

D29

9.1V

D29

9.1V

C137

0.1

C137

0.1

C94

0 OHM

C94

0 OHM

C32

27P

C32

27P

C97

R65

390

R65

390

R61

1.8K

R61

1.8K

C42

330P

C42

330P C39

0.047

C39

0.047

R29

10K

R29

10K

0.55*3.4*6.5T(R)

JACK2

SPK_JACK

JACK2

SPK_JACK

SPK(+)

SPK(-)

330_2012_ECO

R51K

Q20

KRC102

Q20

KRC102

C13

560P(DISK)

C13

560P(DISK)

R70

33K

R70

33K

C58

330UF/16V(E)

C58

330UF/16V(E)

C103

0.01

C103

0.01

C150

0.001

C150

0.001

R47

L10

1UH

L10

1UH

R159

47K

R159

47K

R91

2.7K

R91

2.7K

R150

47K

R150

47K

R108

100_2W

R108

100_2W

C901

100P_3216

C901

100P_3216

R111

10K

R111

10K

R104

Q55

KTC3875

Q55

KTC3875

D23

KDR357

D23

KDR357

R110

2.2K

R110

2.2K

R160

150K

R160

150K

CT4

20P

CT4

20P

Q53

KRC110S

Q53

KRC110S

R165

22K

R165

22K

R66

27K

R66

27K

R156

2.2K

R156

2.2K

C74

0.068

C74

0.068

R94

680_3216

R94

680_3216

Q27

KTC3875Y

Q27

KTC3875Y

R129

150k

R129

150k

R37

5.6K

R37

5.6K

Q11

C115

0.01

C115

0.01

C44

0.01B

C44

0.01B

D26

KDV251S-C

D26

KDV251S-C

C111

0.45*2.3*6.5T(R) With M5Z BEAD+22220001

JP4

OPTION_P

JP4

OPTION_P

R53

10K

R53

10K

L902

0.7* 6.0 * 8T(R)

L902

0.7* 6.0 * 8T(R)

C22

47P

C22

47P

VR7

10KB

VR7

10KB

1 2

D21

KDS226

D21

KDS226

R142

100K

R142

100K

CT9

1UF/16V(E)

CT9

1UF/16V(E)

Q12

KTC3880Y

Q12

KTC3880Y

R95

D11

KDS181

D11

KDS181

R140

C104

0.1

C104

0.1

C83

0.1

C83

0.1

U10D

14066_6

U10D

14066_6

C82

0.1

C82

0.1

R170

2.2K

R170

2.2K

R24

120_1/2W

R24

120_1/2W

TP3

TX_B+

TP3

TX_B+

C133

R77

R172

R71

820K

R71

820K

C116

0.0022

C116

0.0022

C154

0.033

C154

0.033

TP4

C18

0.047_2012

C18

0.047_2012

R63

22K

R63

22K

Q40A

R139

100

R139

100

VR5

50KB_ASQ

VR5

50KB_ASQ

1 2

U4B

UTC4558

U4B

UTC4558

R157

220

R157

220

R30

22K

R30

22K

R109

10K

R109

10K

TP1

DRIVER

TP1

DRIVER

KTC3880Y

Q56

KTC3876

Q56

KTC3876

C105

33P

C105

33P

C904

100P

C904

100P

C25

270P_3216

C25

270P_3216

CT2 NU

R107

220_3216

R107

220_3216

C53

0.01

C53

0.01

C15

100P_3216

C15

100P_3216

TP10

LSQ_IN

TP10

LSQ_IN

R133

150K

R133

150K

TP5

CB_FIN

TP5

CB_FIN

R58

C23

47P_3216

C23

47P_3216

R15

2.2K

R15

2.2K

XT2

10.245MHZ

XT2

10.245MHZ

C126

0.01

C126

0.01

R173

2.2K

R173

2.2K

TP7

Q23

KTC3875

Q23

KTC3875

R98

15K

R98

15K

R44

47K

R44

47K

C96

0.01

C96

0.01

R132

150

R132

150

CT6

1UF/16V(E)

CT6

1UF/16V(E)

C47

0.022_3216

C47

0.022_3216

Q17

KTB1366

Q17

KTB1366

TP9

POP_MUTE

TP9

POP_MUTE

C62

0.0047

C62

0.0047

C153

0.015

C153

0.015

R151

47K

R151

47K

Q43

KRC102S

Q43

KRC102S

0.55*3.4*9.5T(R)

R55

4.7K

R55

4.7K

C48

0.022_3216

C48

0.022_3216

C102

0.1

C102

0.1

D24

KDV251S-C

D24

KDV251S-C

C11

R125

C64

0.022

C64

0.022

VR6

631H,100KB

VR6

631H,100KB

1 2

R166

22K_10KBSQ

R166

22K_10KBSQ

XT1

12.8MHz

XT1

12.8MHz

0.8*4*6T(R)

R145

8.2K

R145

8.2K

C121

0.1

C121

0.1

C38

0.047B

C38

0.047B

VR3

631H,2KB_ECO

VR3

631H,2KB_ECO

1 2

C132

120P

C132

120P

L11

1UH

L11

1UH

R124

100K

R124

100K

C136

180P

C136

180P

21420038

1 4

3 6

D28

KDS160

D28

KDS160

VR4

500_OHM

VR4

500_OHM

1 2

R38

10K

R38

10K

ANT3

OUT

ANT3

OUT

C902

39P_3216

C902

39P_3216

47K

Q22

KRC102

Q22

KRC102

T10

R67

100K

R67

100K

C146

0.047

C146

0.047

C81

0.33_2012

C81

0.33_2012

CON1_19

R45

R88

47K

R88

47K

R158

68K

R158

68K

C77

150P

C77

150P

Q50

KTC3875Y

Q50

KTC3875Y

56P

C123

0.01

C123

0.01

TP6

CB_FIN

TP6

CB_FIN

28MM NEW

2 3

1 4

C19

36P

C19

36P

R128

C61

30P

C61

30P

560P_3216

C21

C151

68P

C151

68P

L901

0.7* 6.0 * 8T(R)

L901

0.7* 6.0 * 8T(R)

C33

180P_2012

C33

180P_2012

R43

22_5W

R43

22_5W

KTC3880Y

C143

0.01

C143

0.01

C125

0.01

C125

0.01

C128

0.01

C128

0.01

0.55*3.4*7.5T(R)

R13

47K

R13

47K

R168

2.2K

R168

2.2K

R75

10K

R75

10K

R79

10_2012

R79

10_2012

R49

C113

0.001

C113

0.001

C68

0.0047

C68

0.0047

Q29

KTA1504S

Q29

KTA1504S

R103

Q36

KTC3876

Q36

KTC3876

R100

2.2K

R100

2.2K

R93

10K_3216

R93

10K_3216

21420036

C114

0.01

C114

0.01

C148

0.022

C148

0.022

U10A

14066_6

U10A

14066_6

147

Q31

KRC102

Q31

KRC102

KDV251S-C

C117

0.001

C117

0.001

R147

22K

R147

22K

C140

22P

C140

22P

0.047

Q46

KTC3880Y

Q46

KTC3880Y

Q26

KRC102

Q26

KRC102

R163

270

R163

270

C66

0.022

C66

0.022

C52

1000/25V(E)

C52

1000/25V(E)

R81

820

R81

820

Q21

R127

100

R127

100

Q28

KRC102_NU

Q28

KRC102_NU

C57

0.0047

C57

0.0047

Q40

KDV251S-C

R76

10K

R76

10K

R171

2.2K

R171

2.2K

C905

10P

C905

10P

D10

KDS114

D10

KDS114

R167

1.5K

R167

1.5K

Q33

KTC3875Y

Q33

KTC3875Y

R154

33K

R154

33K

ZD1

FDZ3.0T1G.200mW

ZD1

FDZ3.0T1G.200mW

C14

C124

0.1

C124

0.1

R90

3.3K

R90

3.3K

R113

10K

R113

10K

C17

0.01

C17

0.01

C36

R135

Q49

Q52

KRC110S

Q52

KRC110S

R82

C76

4.7UF/16V(E)

C76

4.7UF/16V(E)

T11

CT1 1UF/50V(E)

C31

TP2

CB_FIN

TP2

CB_FIN

R52

C110

0.1

C110

0.1

CT5

22UF/16V(E)

CT5

22UF/16V(E)

C51

0.01B

C51

0.01B

R46

1K_3216

R46

1K_3216

R40

2.2K

R40

2.2K

CT3

20PF

CT3

20PF

D19

KDS114

R10

6.8_3216

R10

6.8_3216

C120

1N5401

Q37

L12

LLQ201256NH

L12

LLQ201256NH

C49A

0.068_Mylar

C49A

0.068_Mylar

C10

150P

C10

150P

D12

C142

1UF

C142

1UF R149

47K

R149

47K

CT11

C92

0.01

C92

0.01

CT7

220F/16V(E)

CT7

220F/16V(E)

C93

1UF/16V(E)

C93

1UF/16V(E)

Q44

KTC3880Y

Q44

KTC3880Y

R54

22K

R54

22K

R50

15K

R50

15K

R119

470

R119

470

JP6

OPTION_P

JP6

OPTION_P

R118

4.7K

R118

4.7K

MAIN BOARD SOLDER

ASQ 1

MIC_IN 2

SQ_IN 3

RSSI 4

TX_OUT 5

TO_DET 6

TONE_EN 7

XIN 8

CT_STB 9

TON_CLK 10

FC 11

TX_UN 12

AMUTE 13

SP_GND 14

VLB_SW 15

Ground 16

C24

68P_2012

C24

68P_2012

21420031

4.7UF/16V(E)

C45

103P

C45

103P

C27

270P_3216

C27

270P_3216

R138

2.2K

R138

2.2K

R28

Q15

KTC3875Y

Q15

KTC3875Y

R59

2.2

R59

2.2

C141

0.01

C141

0.01

R105

R11

R57

2.2K

R57

2.2K

C149

4.7UF/16V(E)

C149

4.7UF/16V(E)

C107

12P

C107

12P

R19

Q13

KTC3875Y

Q13

KTC3875Y

Q16

KRA101S

Q16

KRA101S

R120

1.5M

R120

1.5M

R73

300_NU

R73

300_NU

21420035

1 4

3 6

NU L8

0.5T*3*9T

C109

680P

C109

680P

D16

KDS226

D16

KDS226

R102

120K

R102

120K

21420029,7BL-N5305

1 4

3 6

IC2

KIA78L05F

IC2

KIA78L05F

Out

Gnd

R72

330

R72

330

R62

470K

R62

470K

C40

10P

C40

10P

C91

0.01

C91

0.01

R99

6.8K

R99

6.8K

C49

R137

1K C118

0.01

C118

0.01

D15

Q48

KRC110S

Q48

KRC110S

Q38

KRC102S

Q38

KRC102S

R48

100_1/2W

R48

100_1/2W

Q19

KRC102S

Q19

KRC102S

C67

0.0047

C67

0.0047

Q51

KTC3875Y

Q51

KTC3875Y

C63

0.01

C63

0.01

D17

KDS181

D17

KDS181

TP8

FMB+

TP8

FMB+

C69

10UF/16V(E)

C69

10UF/16V(E)

R12

220K

R12

220K

C108

470P

C108

470P

R86

2.2K

R86

2.2K

R106

3.3K

R106

3.3K

R80

47K

R80

47K

TDA2003

C41

U10B

14066_6

U10B

14066_6

1110

XF1

10.7M7.5B

XF1

10.7M7.5B

VR2

631H,10KB

VR2

631H,10KB

R68

5.6K

R68

5.6K

Q47

KTC3875Y

Q47

KTC3875Y

SQ_MIC GAN

CH_UP

CH_DN

SQ_VOL

MIC_G_IN

MIC_G_OUT

GND

R31

10D4

C100

Q24

KRA101S

Q24

KRA101S

C55

0.022

C55

0.022

C34

820P_2012

C34

820P_2012

6.8uH_3216

C155

0.01

C155

0.01

C54

*0.022

C54

*0.022

C26

120P_3216

C26

120P_3216

CT8

0.001

CT8

0.001

VOL_BOARD_SOLDER

GND 1

VOL_IN 2

VOL_OUT 3

SW_ON 4

13.8V 5

RF_GAIN 6

Q18

C158

103P

C158

103P

JP5

OPTION_P

JP5

OPTION_P

CF1

CFW455HT

CF1

CFW455HT

Out

B+

C95

0.01

C95

0.01

Q14

C72

33UF/16V(E)

C72

33UF/16V(E)

Q54

KTC3875

Q54

KTC3875

R39

2.2K

R39

2.2K

10K

R35

330

R35

330

C106

3.3UF/16V(E)

C106

3.3UF/16V(E)

R144

47K

R144

47K

R122

R42

10K

R42

10K

C135

0.1

C135

0.1

C79

47UF/16V(E)

C79

47UF/16V(E)

XF2

10.7M7.5B

XF2

10.7M7.5B

R51

2.2K

R51

2.2K

C152

0.1

C152

0.1

R134

2.2K

R134

2.2K

R141

0 ohm

R141

0 ohm

MODULE1

RX_TONE_IN

TONE_EN

TONE_TX_OUT

GND

5XIN 6

STB 7

DATA 8

TONE_CLK 9

TONE_DET_OUT 10

C127

C86

1000/25V(E)

C86

1000/25V(E)

Q30

KTA1241Y

Q30

KTA1241Y

ÄnderungsanweisungfürAE6490/91‐fallsnebeneinanderstehendeLKWsichnichtinAMhörenkönnen

FollowingcapacitorchangecansolvestrongsignalbehaviourproblemsinAM

FolgendeKondensatoränderungbeseitigtdasbeiAMEmpfangfeststellbareGroßsignalproblem.

1.Modification

Description Location Original Addorchange‐Hinzufügen

ChipCeramic C127 5PF 180PF

ChipCeramic C107 12PF changeto6pforkeepvalueasitis‐auf6pFändernoderWertunverändertlassen

2.Location

ButTheC127postionisnoteasymodifybecauseThesolderironcan'ttouchit.

Sowearechangeofmodify,AddChipceramic180PFfromC107toGround.

DamanschlechtanC127lötenkann,ist isteseinfacher,180pFzusätzlichangezeigterStelleeinzulöten.

3.Measurementresult.

Testinputcondition:AM60%,RFoutput=0dBm,measurementchannelfrequency.

Before)After)

4.Circuit.

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