Kenwood KDC-5018 Service Manual Download Page 18

AE

AF

AG

AH

AI

AJ

AK

AL

AM

AN

1

2

3

4

5

6

7

2

3

4

5

6

7

8

9

10

11

12

13

ILL+B

ILLUM G

L CLK

L CE

RESET

L DATAS

L DATAL

DIMMER

NC

REMO

NC

D GND

330

R17

510

R22

R23

510

330

0.01

KS3

KS4

KS2

KS1

KI1

KI2

KI3

KI4

1K

1K

CP2

KI1

KI4

KI3

KI2

4.7

R11

KI5

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

50

49

48

47

46

45

44

43

42

41

40

39

38

37

36

35

34

33

27

26

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

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

KS5

KS4

KS3

KS2

KS1

COM1

COM2

COM3

COM4

COM5

COM6

COM7

COM8

COM9

COM10

S60

S59

S58

S57

S56

S55

S54

S53

S52

S51

S45

S44

S43

S42

S41

S40

S39

S38

S37

S36

S35

S34

S33

S32

S31

S30

S29

S28

S27

S26

S1

S2

S3

S4

S5

S6

S7

S8

S9

S10

S1

1

S12

S13

S14

S15

S16

S17

S18

S19

S20

S21

S22

S23

S24

S25

KI5

REMO

RED

GREEN

KEY

VDD

VLCD

VLCD0

VLCD1

VLCD2

VLCD3

VLCD4

VSS

TEST

OSC

INH

DO

CE

CL

DI

S4

S3

S2

S1

S10

S8

S7

S6

S5

S9

S15

S14

S13

S12

S1

1

S20

S19

S18

S17

S16

S21

S22

S23

S38

S34

S32

S31

S33

S36

S35

S37

S46

S42

S40

S39

S41

S44

S43

S45

S47

S50

S30

S29

S60

S59

S58

S57

S56

S55

S54

S53

S52

S51

C4

C1

C8

C2

C3

C7

C5

C6

KS1

KS4

KS2

KS3

CP3

1K

C11 0.01

R5

C4 0.1

C3 0.1

R4

C2 0.1

R3

C5 0.1

100

R9

2.2

C7

S49

S48

S25

S24

S50

S46

S47

S48

S49

28

29

30

31

32

S28

S27

S26

79

KI3

78

KI2

KI4

80

KI1

77

KS6

76

KI5

R13

1K

S.GND

1

14

VDD

15

S.GND

R10

CP1
470

22K

97

98

99

100

97

98

99

100

C1 680P

R1 43K

GND2

VCC

4

3

GND1

OUT

1

2

R18

330

R19

330

R20

330

R21
330

0.01

1.2K

1.2K

R24

C10

C9

R25

R26

UNIT No.

MODEL NAME

1K

R6

2.2K

2.2K

2.2K

R2

2.2K

C6 2.2

R7 22K

750

R12

R8

SEG17

35

SEG17

35

SEG59

9

C1

COM1

1

COM8

COM3

COM4

COM6

COM5

COM7

COM2

C5

C4

C2

C3

3

2

5

4

C7

C8

C6

7

6

8

SEG52

17

SEG53

SEG54

SEG57

SEG58

SEG56

SEG55

SEG60

13

11

10

12

15

14

16

SEG51

18

SEG1

19

SSEG9

27

SEG8

SEG7

SEG6

SEG5

SEG4

SEG3

SEG2

21

20

22

23

24

25

26

SEG16

SEG14

SEG15

SEG12

SEG10

SEG1

1

SEG13

31

29

28

30

33

32

34

S1

SEG1

19

27

SSEG9

SEG5

SEG3

SEG4

SEG2

21

20

22

23

SEG8

SEG7

SEG6

24

25

26

S5

S3

S2

S4

S6

S8

S7

31

SEG13

SEG12

SEG1

1

SEG10

29

28

30

SEG14

SEG15

SEG16

33

32

34

S9

S10

S1

1

S12

S14

S13

S15

S16

SEG25

43

SEG24

SEG22

SEG23

SEG20

SEG18

SEG19

SEG21

39

37

36

38

41

40

42

SEG32

SEG31

SEG30

SEG29

SEG28

SEG26

SEG27

45

44

46

47

48

50

49

SEG39

SEG40

SEG38

SEG37

SEG36

SEG35

SEG33

SEG34

51

52

53

54

56

55

57

58

SEG48

SEG47

SEG46

SEG45

SEG43

SEG44

SEG42

SEG41

59

60

62

61

63

64

65

66

COM1

SEG52

S59

SEG49

SEG50

68

67

S56

S57

S60

S58

S53

S54

S55

COM3

COM2

COM4

COM5

COM6

COM7

COM8

SEG59

SEG58

SEG60

SEG57

SEG56

SEG54

SEG55

SEG53

S51

S52

SEG51

S32

43

SEG25

39

SEG21

SEG20

SEG19

SEG18

37

36

38

SEG22

SEG23

SEG24

41

40

42

S17

S18

S20

S19

S21

S22

S23

S24

SEG26

SEG27

SEG28

45

44

46

SEG32

SEG31

SEG30

SEG29

47

48

50

49

S28

S26

S25

S27

S30

S29

S31

S40

SEG36

SEG35

SEG33

SEG34

51

52

53

54

SEG38

SEG39

SEG40

SEG37

56

55

57

58

S36

S34

S33

S35

S38

S37

S39

SEG42

SEG43

SEG44

SEG41

59

60

62

61

SEG48

SEG47

SEG46

SEG45

63

64

65

66

S44

S42

S41

S43

S46

S45

S47

SEG50

SEG49

68

67

S49

S48

S50

5

9

10

7

8

6

3

4

2

1

17

18

15

16

13

14

12

11

KDC-516S

KDC-5018

KDC-57MR

X13-9960-13

A

IC1

IC2

KDC-516S/57MR/5018 (2/2)

(X13-9960-13)

ED1(COMMON)

ED1(SEGMENT)

J1

D7

D6

D5

D10

D9

D8

D16

D15

D14

D19

D18

D17

D13

D12

D11

D23

D3

D4

VOL-

ATT

4

6

TI

5

2

1

SRC

AM

FM

EJECT

dB

DISP

1/2

IC1

: LC75808W

IC2

: RS-171

Q1,6

: DTA114EUA or

D2

DIMMER

Q1

Q5

Q6

2SC2412K or

Q5

:

B30-1571-05

D2-4

:

MA3091-M

D1

:

LCD DRIVER

REMOTE

SENSOR

RST

CONTOROLL

D22

Q7

VOL+

3

CLK

KRA302

2SD601A
DTC143ZUA

Q7

:

B30-1533-05

D5-23

:

GND LINE

D1

VLCD
AVR

Q6

REMO SW

SW

KEY PERMISSION

D21

D20

LOUD

ST

ATT

LOUD

LOW

IN

Q CONTROL

HIGH

MID

Q CONTROL

LOW

IN

MID

HIGH

TI

PTY

P/S

MTL

6X9/6inch

5/4inch

PTY

DAB

AUTO

NEWS

MTL

ATT

ST

B

P/S

NR

1

2

O.E.M.

TI

1

NEWS

DAB

AUTO

NR

B

6X9/6inch

5/4inch

2

O.E.M.

SP

ch

SP

ch

10K

10K

10K

10K

47K

47K

(X16-)

J1

to

B LINE

10.7V

0V

5.0V

0V

0V

0V

5V

5.0V

8.5V

6.8V

5.1V

3.4V

1.7V

0V

5.0V

0V

0V

5.0V

KDC-5018/516S
KDC-57MR

Summary of Contents for KDC-5018

Page 1: ...ON B07 3010 02 REMOTE CONTROLLER ASSY A70 0883 05 KDC 5018 MOUNTING HARDWARE ASSY J21 9641 13 PLASTIC CABINET ASSY A02 1497 03 KDC 516S ESCUTCHEON ASSY B07 3007 03 FRONT GLASS B10 3267 01 PANEL ASSY A64 2165 02 KDC 57MR ESCUTCHEON ASSY B07 3017 03 FRONT GLASS B10 3268 01 PANEL ASSY A64 2166 02 KDC 5018 ESCUTCHEON ASSY B07 3007 03 FRONT GLASS B10 3271 01 PANEL ASSY A64 2169 02 The MECHANISM OPERATI...

Page 2: ...25 Q26 Q34 M TYPE PANEL 5V PANEL 5V SW14V PANEL POSITION DET CH QUAL SERVO B MUTE R STOP SW2 LO EJ MUTE L RST SW3 SW1 SDA SCL A8V BU5V SW5V RST REQ C CLK CH CON DATA H REQ H CD AM FM P MUTE MUTE SW5V PANEL5V ILL B SRT SW1 SRT SW2 RDCK RDDA QUAL SDA SCL AFS AFS A8V PLL DATA PLL CLK IFC OUT S METER DATA C BACK UP BU5V 600mV 3600mV CHANGER AM 1800mV FM 230mV 1200mV 1200mV 470mV AUDIO OUT FM B NOISE 3...

Page 3: ...ection SW or System RESET or MI Q7 DTA124EUA or KRA303 Mute driver COM s Pre mute is working a base goes Lo and Q7 is turned on Q11 2SC4081 or 2SD1819A BU 5V AVR While BACKUP is applied AVR outputs 5V Q12 2SB1548 P Q11 and Q12 are inverted Darlington connection Q13 2SA1576A or 2SB1218A SW 5V While a base goes Lo SW 5V is supplied to the microprocessor peripheral circuits Q14 2SC4081 or 2SD1819A A8...

Page 4: ...es Hi Q48 is turned on Q48 2SB1277 Q R Works during AM reception mode Q51 DTC144EUA or UN5213 IFC buffer Waveform shaping Q55 2SA1576A or 2SB1218A PAN 5V SW While a panel is attached to the set Q56 s base goes Hi Q56 DTC124EUA or UN5212 and Q55 is turned on Ref No Component Name Application Function Operation Condition Compatibility Generation of RF signal based on the signals from the APC circuit...

Page 5: ...rol output Lo Mute POWER OFF TEL MUTE 20 P STBY O Power IC standby control output Hi POWER ON mode except panel detached or panel mask position 21 MUTE O IC2 mute control output Hi Mute on 22 NC O Not used N C 23 PRE MUTE O Pre outputs mute control output Lo Mute 24 ACC DET I ACC detection input Hi ACC OFF Lo ACC ON 25 DIMMER I Small lights detection input Lo During vehicle small lamps turn on 26 ...

Page 6: ... LO EJ I O CD MECHA loading Eject switching output Lo Loading Hi Eject Hi Z Stop or Break 61 MOSW O CD mechanism loading motor control output Hi CD loading eject action or Break Lo other 62 NC O Not used N C 63 CD SW3 I Down limit switch detection input Hi Chucking Lo Pickup most inner position 64 NC O Not used N C 65 L CE I O CE output to LCD driver 66 NC O Not used N C 67 NC O Not used N C 68 NC...

Page 7: ...st input form LCD driver IC 90 CD SW1 I Loading detection Lo CD chucking 91 CD SW2 I 12cm disc detection terminal When 12cm disc was detected the input becomes Lo temporarily 92 NC O Not used N C 93 BU DET I Momentary power down detection input Hi When momentary power down detected or BU OFF Lo BU ON 94 CH DATAC I Data input from changers 95 CH DATAH O Data output to changers 96 CH CLK I O Clock i...

Page 8: ...Up Down keys Fader is adjusted in 3 steps of Rear Max Center Front Max with the Track Up Down keys HPF is adjusted in 2 steps of Through 220 Hz with the Track Up Down keys LPF is adjusted in 2 steps of Through 120 Hz with the Track Up Down keys Bass f Bass Q Bass EXT Middle f Middle Q and Treble f are not dealt with by the audio adjustment 8 Menu related specifications A short press of the CLK key...

Page 9: ... security code is cleared and the unit enters the ALL OFF mode 4 If you commit a mistake in the code entry the unit enters the code request mode again 4 Method of writing the Mask key while the EEPROM is in the initial status 1 Enter the test mode See 1 How to enter the test mode 2 Press the CLK key to enter the Mask key registration mode TRANSMIT1 should be displayed now The display at this time ...

Page 10: ...imes End of Roller ass y FPC ssembly of FPC Flexible PC board onto Roller ass y Turn Roller ass y by 2 times Hook the end of Roller ass y to the tongue Insert the FPC into the slit of Roller ass y then release the end of Roller ass y and the tongue ...

Page 11: ... GND S B SW3 IOP GND ARF Vref F E Lch LO EJ A 5V SW2 RST RF TE TR SW1 IOP A TE 4 8 5 22 16 E B E B E B B E D4 D5 IC6 Q3 Q4 D2 CN1 Q2 Q5 D3 CN2 W17 C89 R5 C29 C46 R52 C23 R49 C33 R9 C20 C19 R20 R8 C1 C8 C12 C10 C11 R18 C3 C2 C17 C18 R17 C16 R15 C15 C14 R16 C13 R12 R10 C7 C6 R11 C5 R19 R214 R202 C55 R21 C4 CLVS VDET TRCRS BDO RFDET OFT 1 STLD SMCK ST O FLAG TOFS FCLK DQSY IPFLAG 1 1 16 32 17 25 51 7...

Page 12: ...RST C71 R121 R117 5 C72 C68 4 R122 R102 R118 R126 R238 C90 C77 8 C79 C80 1 C78 A 5V LO EJ MUTEL MOTOR R78 C41 D4 CN2 CN1 Q4 Q3 Q2 D2 Q5 IC6 D3 D5 R214 C6 VDET OFT R19 C15 C19 RFDET C7 C11 C10 R11 R10 C12 16 C8 1 C89 BDO TRCRS R202 C2 C16 17 32 R17 C18 IPFLAG C23 R16 C14 R15 25 C17 R18 C13 TOFS C29 26 C33 C20 R21 R20 100 1 51 STLD FLAG FCLK 50 ST O SMCK 75 DQSY 76 R5 R8 C5 B E R12 R9 C4 W17 C1 C3 C...

Page 13: ... D37 C93 C85 C8 C87 C86 C90 C88 W58 L12 C3 C84 C4 C5 C6 C7 R282 R24 R25 R23 C203 R77 R73 R76 R106 R105 R101 R225 R226 R230 R206 R207 R204 R205 R208 R210 R231 R243 R234 R235 R233 R236 R182 R178 C95 C204 C96 C205 C71 C72 C100 C99 C98 C211 R9 R10 R8 R260 R4 R7 R259 R3 R258 R16 R15 X2 R21 R19 R20 R22 W59 R145 R201 X1 R215 RESET TEST PLLCLK PLLDATA C D 4 332MHz R59 R58 R52 W9 R92 R85 R93 R80 R79 R84 R8...

Page 14: ... R18 R6 R5 R78 R74 R71 TH1 Q21 Q22 Q20 Q13 Q28 Q27 Q29 Q33 Q16 Q14 Q30 Q25 Q34 Q42 Q52 Q43 D37 1 6 W28 C101 R210 R205 R204 RESET R207 R201 R206 R208 R81 R84 R85 C202 C204 C205 C203 4 3 1 2 1 E R61 X2 B 2 W9 C56 W100 C60 W7 W1 W2 W8 W6 R243 R231 50 51 76 75 X1 R282 26 25 100 1 R236 22 21 1 2 R226 R225 C211 W58 R230 L12 W59 R260 R215 R259 TEST PLLCLK R258 C D 1 R79 C74 14 PLLDATA 7 R101 8 W22 B E E ...

Page 15: ... IN SPDL SPDL SP IN VCC VCC VREF FC IN FCS FCS GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 D B C A GND LD PD VR VC VCC F E FCS TRK TRK FCS 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 D OUT SW2 SW1 CLK DATA MECHA NC BU 5V D GND MUTE R MUTE L MRST MSTOP A 8V Lch A GND Rch LO EJ MOTOR S 7 5V S GND SW3 16 93MHz X1 100K R214 100K C85 0 1 100K R54 0 1 C35 220K R38 0 015 C25 0 1 C29 R37 470 C...

Page 16: ... NC NC NC R210 2 2K R209 1K R208 1K R207 1K R206 1K R204 1K R205 1K 64 65 74 57 60 58 61 63 53 54 4 7K R178 90 91 77 79 78 88 87 83 82 81 80 C83 0 047 74 25 2 2 R62 52 R243 3 R260 1K 26 2 2K 10 L CLK L DATAL 1K 1 2W R85 W10 C77 R59 2 2 1 2W 10K R55 1K R56 100u16 C57 1K R57 22K 27 C51 2200P C52 2200u16 28 29 2 PGND ST BY 4 VCC 6 PGND 8 RIP 10 IN2 12 IN4 14 AUX IN 16 PGND 18 VCC 20 MUTE 22 PGND 24 C...

Page 17: ... YES YES NO NO YES NO NO YES YES NO NO NO NO W58 W57 YES NO NO NO NO YES NO YES NO NO YES NO NO NO NO NO YES YES NO NO YES YES NO NO YES R267 NO R268 YES YES YES YES YES NO YES YES YES YES YES YES YES D15 NO NO YES YES YES NO YES NO NO NO R213 237 YES NO YES 241 242 235 R233 NO NO YES YES YES YES NO YES YES YES NO NO NO C102 0 015 KDC 5090R KDC 516S KDC 5018 KDC 57MR KDC V6090R KDC V6090RY KDC V70...

Page 18: ...SEG16 SEG14 SEG15 SEG12 SEG10 SEG11 SEG13 31 29 28 30 33 32 34 S1 SEG1 19 27 SSEG9 SEG5 SEG3 SEG4 SEG2 21 20 22 23 SEG8 SEG7 SEG6 24 25 26 S5 S3 S2 S4 S6 S8 S7 31 SEG13 SEG12 SEG11 SEG10 29 28 30 SEG14 SEG15 SEG16 33 32 34 S9 S10 S11 S12 S14 S13 S15 S16 SEG25 43 SEG24 SEG22 SEG23 SEG20 SEG18 SEG19 SEG21 39 37 36 38 41 40 42 SEG32 SEG31 SEG30 SEG29 SEG28 SEG26 SEG27 45 44 46 47 48 50 49 SEG39 SEG40...

Page 19: ...26 25 72 70 52 75 52 885 X32 5010 00 53 37 38 39 65 45 80 17 66 16 12 71 18 11 54 79 77 19 43 60 60 20 DPU1 44 3 9 10 47 35 58 67 78 DM2 DM1 24 55 34 32 31 27 29 49 36 30 21 63 64 22 61 61 76 33 7 1 62 8 6 60 60 69 5 73 54 41 82 51 A B C D E F G H J M1 7x2 5 2x3 5 M1 7x4 M2x2 2x6 WASHER 1 2 WASHER 1 6 WASHER 1 6 M2x2 N09 4249 05 N09 4172 05 N09 4202 05 N38 2020 46 N09 4294 05 N19 2023 04 N19 2058 ...

Page 20: ...1 266 246 273 225 225 257 291 227 737 x25 A1 X25 J1 X25 WH1 251 209 781 ED1 X13 287 X13 285 X13 286 X13 284 X13 287 X13 X13 X13 9960 13 217 PA1 267 268 264 269 271 270 265 247 213 272 205 A B C D E F G H J K L M N P Q R N09 4184 05 N09 4448 05 N09 4449 05 N19 2150 04 N19 2160 04 N24 3015 60 N35 2003 46 N35 2004 45 N38 2025 46 N80 2005 46 N80 2008 45 N83 3005 46 N86 2004 45 N80 3008 46 N83 3012 46 ...

Page 21: ... SPRING RELEASE 245 1D G01 3060 04 TORSION COIL SPRING FPC ROLL 246 3C G01 3069 04 EXTENSION SPRING LOCK 247 3C G01 3070 04 COMPRESSION SPRING RELEASE 248 2C G11 1919 04 CUSHION SUB PANEL MIDDLE 249 2C G11 1920 24 CUSHION SUB PANEL LEFT 251 2C G16 1178 04 SHEET CAUTION H10 4764 12 POLYSTYRENE FOAMED FIXTURE H25 0329 04 PROTECTION BAG 280X450X0 03 H25 0337 04 PROTECTION BAG 180X300X0 03 H25 1108 04...

Page 22: ...6 CE04CW0J101M ELECTRO 100UF 6 3WV C57 CE04CW1C101M ELECTRO 100UF 16WV C58 CE04CW1A221M ELECTRO 220UF 10WV C59 CE04CW1A101M ELECTRO 100UF 10WV C72 CK73GB1E223K CHIP C 0 022UF K C72 CK73GB1H223K CHIP C 0 022UF K C73 C90 2608 05 ELECTRO 1 0UF 50WV C74 C90 2602 05 ELECTRO 0 10UF 50WV C75 CK73GB1C683K CHIP C 0 068UF K C75 CK73GB1H683K CHIP C 0 068UF K C76 C90 2598 05 ELECTRO 3 3UF 25WV C77 CK73GB1H102...

Page 23: ...J CHIP R 100K J 1 16W R141 142 RK73EB2B102J CHIP R 1 0K J 1 8W R143 144 RK73GB1J223J CHIP R 22K J 1 16W R145 RK73GB1J473J CHIP R 47K J 1 16W R170 173 RK73GB1J104J CHIP R 100K J 1 16W R174 RK73GB1J222J CHIP R 2 2K J 1 16W R175 RK73EB2B471J CHIP R 470 J 1 8W R176 RK73GB1J105J CHIP R 1 0M J 1 16W R177 RK73EB2B102J CHIP R 1 0K J 1 8W R178 RK73GB1J472J CHIP R 4 7K J 1 16W R180 RK73EB2B472J CHIP R 4 7K ...

Page 24: ...ANSISTOR Q14 2SD1819A TRANSISTOR Q15 2SB1548 P TRANSISTOR Q16 DTC124EUA DIGITAL TRANSISTOR Q16 UN5212 DIGITAL TRANSISTOR Q17 DTA124EUA DIGITAL TRANSISTOR Q17 KRA303 DIGITAL TRANSISTOR Q18 2SD2375 TRANSISTOR Q19 DTC124EUA DIGITAL TRANSISTOR Q19 UN5212 DIGITAL TRANSISTOR Q20 DTA124EUA DIGITAL TRANSISTOR Q20 KRA303 DIGITAL TRANSISTOR Q21 2SB1184 TRANSISTOR Q22 2SC4081 TRANSISTOR Q22 2SD1819A TRANSIST...

Page 25: ...6W R34 RK73GB1J683J CHIP R 68K J 1 16W R36 RK73GB1J151J CHIP R 150 J 1 16W R37 RK73GB1J471J CHIP R 470 J 1 16W R38 RK73GB1J224J CHIP R 220K J 1 16W R46 RK73GB1J102J CHIP R 1 0K J 1 16W R47 RK73GB1J103J CHIP R 10K J 1 16W R49 RK73GB1J472J CHIP R 4 7K J 1 16W R52 RK73GB1J104J CHIP R 100K J 1 16W R54 RK73GB1J104J CHIP R 100K J 1 16W R71 RK73GB1J103J CHIP R 10K J 1 16W R72 RK73GB1J102J CHIP R 1 0K J 1...

Page 26: ...8 3B F09 1266 14 SHEET 60 2A G01 2770 04 EXTENSION SPRING 61 3A G01 2771 04 EXTENSION SPRING 62 3A G01 2772 24 EXTENSION SPRING 63 3A G01 2773 14 EXTENSION SPRING 64 3A G01 2774 34 EXTENSION SPRING 65 1B G01 2775 04 TORSION COIL SPRING 66 1B G01 2776 14 TORSION COIL SPRING 67 3B G01 2777 24 TORSION COIL SPRING 69 2A G01 2844 04 EXTENSION SPRING 70 2A G02 1231 04 FLAT SPRING 71 2B G02 1232 24 FLAT ...

Page 27: ...KDC 5018 516S 57MR 33 MEMO ...

Page 28: ...out notice Model KDC 516S KDC 57MR KDC 5018 Frequency Range 87 9MHz 107 9MHz 200kHz 87 9MHz 107 9MHz 200kHz 87 5MHz 108 0MHz 50kHz Frequency step 87 9MHz 107 9MHz 200kHz Channel Space Selection 50kHz 200kHz 50kHz 200kHz 50kHz 200kHz Usable Sensitivity 9 3dBf 0 8µV 75Ω 9 3dBf 0 8µV 75Ω 9 3dBf 0 8µV 75Ω S N 30dB FM Quieting Sensitivity 15 2dBf 1 6µV 75Ω 15 2dBf 1 6µV 75Ω 15 2dBf 1 6µV 75Ω S N 50dB F...

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