Kenwood KDC-MP6090R Service Manual Download Page 21

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PC BOARD (COMPONENT SIDE VIEW)

Refer to the schematic diagram for the values of resistors and capacitors.

R26

R25

R1
1

R22

R23

R24

R18

R17

R19

R21

R20

R10

R15

R12

R13

C10

C11

R16

CP1

CP2

CP3

R14

OPEN

100

B E

E B

B E

KI4

S.GND

ILL+B

REMO

KI1

KS1

KS4

KI3

VDD

ILL-GND

VLCD1

KS5

KI2

RST

KI5

KS3

DGND

L-DA

L-CE

L-CLK

L-DA

KS2

DIMMER

IC1

S31

KI3

KI2

KS1

KI4

KS3

KS4

KI5

KS2

KI1

RST

AT
T

DISP

SRC

CLK

IC2

D11

D19

D18

D20

D22

D21

D14

D13

D15

D17

D16

ED1

D23

X13-9960-11 (J74-1138-12)

D10

X13-9960-11

R65

R180

R181

R161

R281

R172

R173

R171

R174

R177

R175

R176

C88

C87

R184

R183

C86

C83

C84

R190

R162

R189

R187

R81

R57

R121

R58

R52

C57

R122

R123

R82

R83

R124

R127

R130

R71

R237

R239

R232

R141

R128

R125

R142

R126

R157

R156

R60

R86

R144

R143

R108

R213

W100

R145

R230

R231

R223
R224

C42

C43

C41

C75

C120

C44

C135

C51

C137

C53

C140 C139

C89

C90

R20

R22

R19

R21

R215

C33

C34

R17

R18

R14

R13

R63

C206

R241

R242

R245

R106

R269

R270

R266

R267

R268

R271

R275

R276

R272

R273

R274

R265

R253

R254

R255

R246

R247

R252

R262

R263

R264

R261

R214

R193

R192

R191

R202

R194

R129

R227

R228

R229

C154

C157

C156

C155

C65

C205

C204

C201

R42

R41

R64

C105

C106

C79

C211

TH1

C121

B E

E B

D22

D21

D27

D28

D25

D26

D24

D13

D23

Q16

Q17

Q52

Q21

Q22

Q27

Q29

Q30

Q28

Q51

Q53

D48

D36

D35

L12

R182

R178

R282

R87

R72

R74

R78

R210

R236

R234

R235

R233

R24

R25

R23

R91

R90

R101

R94

R73

R89

R88

R102

R220

R204

R103

R257

C107

R201

R225

C80

C77

C78

C72

C71

C104

R53

R51

R77
R76

R56

R16

R15

R61

C203

R105

R243

R258

R259

R260

R219

R209

R207

R208

R206

R226

R54

L13

C95

C151

TEST

32.768KHz

20.0MHz

RESET

C52

R92

L10

R93

C14

C25

R79

R80

L14

R55

C18

C74

C73

C54

C17

C101

C94

C67

C23

C76

C68

C92

C24

C16

C15

C136

C56

C58

C55

C103

C13

C138

C114

C60

C21

C22

C202

C62

C61

C66

C63

C64

C69

C91

B E

O
G

100

4.332MHz

IC7

IC10

Q11

Q34

Q14

Q19

Q20

Q13

Q33

Q42

Q45

Q46

Q26

IC8

Q25

IC1

IC2

IC3

Q56

Q55

IC11

D45

D46

D44

D30

D32

D47

D18

D15

Q12

CN7

Q15

Q48

Q47

IC12

CN6

CN1

Q32

Q31

D17

CN5

D16

IC4

D14

D12

D11

D41

D42

WH1

D31

D34

D33

D71

X25-880X-XX (J74-1150-12)

X25-880X-XX

Summary of Contents for KDC-MP6090R

Page 1: ... AAA Not supplied as service parts SCREW SET N99 1704 05 SCREW SET N99 1700 05 KDC MP8017 KDC MP7018 STAY J54 0606 04 KDC MP8017 KDC MP7018 LEVERx2 D10 4562 04 ESCUTCHEON B07 3010 02 KDC MP8017 KDC MP7018 REMOTE CONTROLLER ASSY A70 0883 05 KDC MP7018 MOUNTING HARDWARE ASSY J21 9641 13 PLASTIC CABINET ASSY A02 1497 03 ESCUTCHEON ASSY B07 3007 03 FRONT GLASS B10 4033 01 FRONT GLASS B10 4034 01 FRONT...

Page 2: ... CONTROL MP3 TIME DISPLAY CD TEXT CONTROL FILE ANALISIS ISO9660 IIS DATA SERVO CONTROL EFM DECODE ROM DECODE ATAPII F NOT USED MP3 DECODE IC2 IC11 DPU1 CD PICK UP IC10 IC1 IC6 IC3 IC9 12 IC5 RF AMP 4Mbit D RAM MUX LPF DAC CD ROM DECODER SERVO CONTROLER MECHA CONTROL COMPUTER 4cH BTL DRIVE MPEG 2 5 LAYER III AUDIO DECODER IIC MPEG ...

Page 3: ...E E TYPE K M TYPE NAVI MUTE PANEL 5V PANEL 5V 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 P ON SERVO B RDCK RDDA QUAL SDA SCL AFS AFS A8V PLL DATA PLL CLK IFC OUT S METER SW5V DATA C BACK UP BU5V 600mV 3600mV CHANGER AM 1800mV FM 230mV 1200mV 1200mV 251mV ...

Page 4: ...6 s base goes Hi Pre output is muted Q7 DTA124EUA or KRA303 Mute driver When BU detection SW or System RESET or MI 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 microprocesso...

Page 5: ...nnel multiplexer CD DA MP3 Clock and Data lines MCLK LRCK CLK DATA switching IC4 LP2982 3 3 3 3V AVR AVR for audio interface and quad multiplexer IC5 STA013 MP3 Audio decoder MP3 DSP IC6 MSM514260CP 60 4M bit DRAM Buffer memory IC7 TC7SH04F Inverter Clock buffer for MP3 audio decoder IC8 TA78L05F 5V AVR AVR outputs 5V for D A converter analogue part IC9 PCM1716E 24Bit D A converter 24Bit D A conve...

Page 6: ...utputs 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 SW5V O SW 5V control output Lo POWER ON mode or during CD loading eject action Bass boost OFF__ Hi 160msec Lo 40msec 27 EXT AMP CON O External amp control output Bass boost LOW__ Hi 130msec Lo 70msec Bass boost HI__ Hi 100msec Lo...

Page 7: ...E 75 NC GND I Not used pull down to GND lines 76 NC GND I Not used pull down to GND lines 77 SRT SW2 I SRT position detection input Panel SW1 SW2 Hi Hi Slide SW1 SW2 Hi Lo 78 SRT SW1 I SRT position detection input Mask SW1 SW2 Lo Lo 79 NOISE I FM noise detection input 80 S METER I S meter input from F E 81 R DATA I Data input from the RDS decoder IC Except RDS model Not used pull down to GND lines...

Page 8: ...ata latch output to DAC and MECHA MI COM Hi Latch 24 MC O Clock output to DAC and MECHA MI COM 25 MD O Data output to DAC and MECHA MI COM 26 TA1OUT O Not used N C 27 I2C CLK I O Clock input output with system MI COM 28 I2C DATA I O Data input output with system MI COM 29 MP3 I2C DATA I O Data input output with IC5 STA013 30 R O Flash ROM read control Not used N C 31 MP3 I2C CLK I O Clock input ou...

Page 9: ... interrupt input Not used Lo Interrupt 72 MSTOP I MSTOP detection terminal Lo Standby mode Hi Operation mode 73 INT4 I Servo DSP Servo part interrupt input Lo Interrupt 74 D12 O Not used N C 75 D11 O Not used N C 76 D10 O Not used N C 77 D9 O Not used N C 78 D8 O Not used N C 79 T3 I Test terminal for development Not used connected to GND lines 80 T2 I Test terminal for development Not used connec...

Page 10: ...Hz OR 14 7456MHz EXTERNAL INPUT CLOCK OR BUILT IN INDUSTRY STANDARD XTAL OSCILLATOR DIFFERENT FREQUENCIES MAY BE SUPPORTED UPON REQUEST TO STM Note EXTERNAL CLOCK 10MHz APPLICATIONS PC SOUND CARDS MULTIMEDIA PLAYERS DESCRIPTION The STA013 is a fully integrated high flexibility MPEG Layer III Audio Decoder capable of decoding Layer 3 com pressed elementary streams as specified in MPEG 1 and MPEG 2 ...

Page 11: ...Ground 14 VDD_2 Supply Voltage 15 VSS_3 Ground 16 VDD_3 Supply Voltage 17 PVDD PLL Power 18 PVSS PLL Ground 19 FILT O PLL Filter Ext Capacitor Conn 20 XTO O Crystal output CMOS 4mA Output Drive 21 XTI I Crystal Input Clock Input Specific Level Input Pad 22 VSS_4 Ground 23 VDD_4 Supply Voltage 24 TESTEN I Test Enable CMOS Input Pad Buffer with pull up 25 SCANEN I Scan Enable CMOS Input Pad Buffer 2...

Page 12: ...eam input interface to ignore the incoming data For proper operation BIT_EN line shold be toggled only when SCR is stable low for both SCLK_POL configuration The possible configurations are described in Fig 3 PLL Clock Generator System When STA013 receives the input clock as described in Clock Signal and a valid layer input bit stream the internal PLL locks providing to the DSP Core the master clo...

Page 13: ...ith the input speed regulated by the source In this config uration the source has to guarantee that the bitrate is equivalent to the nominal bitrate of the decoded stream To compensate the difference between the nominal and the real sampling rates the STA013 embedded software controls the fractional PLL operation Portable or Mobile applications need normally to operate in Broadcast Mode In both mo...

Page 14: ...SDA bus after sending 8 bit of data During the 9th clock pulse the receiver pulls the SDA bus low to acknowledge the receipt of 8 bits of data Data input During the data input the STA013 samples the SDA signal on the rising edge of the ciock SCL For correct device operation the SDA signal has to be sta ble during the risng edge of the clock and the data can change only when the SCL line is low DEV...

Page 15: ...ress counter automatically incremented after one byte output DEV ADDR DEV ADDR SUB ADDR DATA RW START START START STOP ACK RW RW STOP STOP RW HIGH ACK ACK ACK ACK ACK ACK NO ACK NO ACK DEV ADDR DATA DATA NO ACK DEV ADDR START DEV ADDR DEV ADDR SUB ADDR START START RW ACK RW STOP ACK ACK ACK NO ACK ACK DATA DATA DATA DATA DATA CURRENT ADDRESS READ RANDOM ADDRESS READ SEQUENTIAL CURRENT READ SEQUENT...

Page 16: ...de specifications of the CD receiver Forced ejection is inhibited in the reset start operation When the unit is reset while a CD is loaded in it the CD is not recognized by resetting Each press of the Track Up key jumps to the following track numbers No 9 No 15 No 10 No 11 No 12 No 13 No 14 No 9 The cycle restarts from here Each press of the Track Down key jumps to the previ ous track number to th...

Page 17: ... The 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 t...

Page 18: ... 2 times 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 19: ...05 R106 E B B E S G S G G S 1 28 14 15 1 8 9 16 8 5 4 1 O G I 14 15 28 1 3 1 5 4 1 3 4 6 1 22 1 4 5 8 4 6 1 3 D D D 1 16 1 22 23 44 FE TE GND IOP IOP RF VREF E F SLED EJECT SLED LOAD ARF L R LRCK DATA BCK MCK MCK CS PD MP3 CD DMUTE TD FD MD SD DET ML PD CS MC MD 3 3V 10M SW3 MRQ MRST MCK LRC SDO CLK CNVSS SPL T1 C R EPM SPL T W V3 RFOK EMPH I4 I3 I2 RESET MSTOP I1 T2 T3 MCKO 5V CE GND M DATA M CLK...

Page 20: ... R23 S D C T3 RST M C C67 R83 EPM CE T2 I3 I1 MSTOP C71 T1 RESET CNVSS MRST R39 R W R12 CP10 EMPH RFOK C25 C5 R50 C46 R56 1 C77 C79 C78 R L R100 C3 R8 6 4 3 1 1 8 C80 R99 C81 C7 R102 R98 C83 R110 C86 5 4 R108 R97 R2 R107 R109 R1 R96 15 C84 14 C82 C85 C66 C38 R15 I C17 R16 SDO R17 R19 1 R20 CLK LRC MCK 14 3 3V 4 MD D MRQ C29 10M S G 3 R42 C30 R41 R80 SW3 CS MC 28 ML PD R27 C74 R53 1 5 R95 C23 C18 1...

Page 21: ...8 R229 C154 C157 C156 C155 C65 C205 C204 C201 R42 R41 R64 C105 C106 C79 C211 TH1 C112 C121 E B B E B E B E E B B E B E B E E B B E B E D22 D21 D27 D28 D25 D26 D24 D13 D23 Q16 Q17 Q52 Q21 Q22 Q27 Q29 Q30 Q28 Q51 Q53 D48 D4 D36 D35 L12 R182 R178 R282 R87 R72 R74 R78 R210 R236 R234 R235 R233 R24 R25 R23 R91 R90 R101 R94 R73 R89 R88 R102 R220 R204 R103 R257 C107 R201 R225 C80 C77 C78 C72 C71 C104 R53 ...

Page 22: ...6 R142 R144 E C137 C135 C120 R161 B R127 R121 R122 R123 R126 R124 R108 R22 R20 R106 C89 C90 C88 C87 R128 R125 C112 R17 R18 R6 R5 D21 Q21 Q22 D4 Q17 D13 Q16 Q28 D35 D36 Q27 Q30 Q29 Q53 Q51 Q52 D28 D48 D24 D23 D22 D26 D25 D27 R3 R4 R16 R15 R92 C78 B R51 C61 C62 C63 C64 C55 C69 B R61 B E C66 E L13 4 3 C203 1 R201 2 C60 5 1 C56 5V C77 R87 C21 B B E B E C22 B E C58 C54 B E E R90 E O G I R55 R56 C72 R89...

Page 23: ...08 10u10 C56 C53 0 1 C61 0 033 W62 W61 2200P C64 C42 100P C45 0 1 C50 0 01 5 1K R94 10K R55 0 1 C49 39K R43 0 01 C37 10K R45 0 1 C34 MIRR DEFECT 6 3 AO A A 1 2 VCC BO B 8 7 5 4 GND B R52 10K 10K R63 R64 1K 10K R66 10K R49 0 047 C43 820K R51 0 01 C41 W1 1000P C36 3 3K R47 2200P C39 1 6 B C C 2 3 E C C 5 4 3 1 2 C C B E C C 4 6 5 R13 1K 6 7 8 8 7 6 R100 10K C8 0 1 L1 R4 100 R5 100 27 28 27 28 R10 10...

Page 24: ... 65 74 57 60 58 61 63 53 4 7K R178 90 91 77 79 78 88 87 83 82 81 80 C83 0 047 74 25 2 2 R65 52 R243 3 R260 1K 26 2 2K 10 L CLK L DATAL C77 R55 220 22K 27 C51 2200P C52 3300u16 28 29 C84 0 047 C86 0 047 C85 0 047 25 DO C87 0 047 C88 0 047 C89 0 047 C90 0 047 R254 2 2K R255 2 2M 9 100K R171 470 R194 0 01 C157 R173 100K R193 470 0 01 R172 100K C156 100 24 R103 10K 19 23 R102 100 C92 22u16 C91 0 47u50...

Page 25: ...ER NC D GND NC REMO L DATAS ILLUMI G RST L EC L CLK ILL B 22K 22K 22K 22K 4 7K 4 7K 4 7K 4 7K 47K 47K 22K 22K PRE MUTE Q5 Q6 Q2 Q1 CN7 Q47 AM B SW Q46 Q48 FM B SW Q45 WH1 X25 880X XX GND LINE SIGNAL LINE A1 2 2 X13 J1 REAR ANT TUNER J1 Q52 IC1 IC2 TDA7407D IC3 HD74HC02FP or IC4 TA8263BH IC10 M5237ML IC7 S 80837ANNP IC8 TDA7479D Q1 2 5 6 KRC410 or Q11 22 33 34 51 52 2SC4081 or DTA123JK Q13 30 55 2S...

Page 26: ...4 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 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 C...

Page 27: ... 40 26 25 72 70 52 75 52 885 X32 4800 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 2...

Page 28: ...7 x25 A1 X25 J1 X25 WH1 251 209 781 ED1 X13 287 X13 285 X13 286 X13 284 X13 287 X13 X13 X13 9960 11 217 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 N86 2606 46 M2x2 BLK M2x2 5 M2x1 8 B...

Page 29: ...SION COIL SPRING MAIN 244 2D G01 3059 04 TORSION COIL SPRING RELEASE 245 1D G01 3060 04 TORSION COIL SPRING FPC ROLL 246 3C G01 3069 04 EXTENSION SPRING LOCK Ref No A d d N e w Parts No Description Dest inati on 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 4763 12 POLYSTYRENE...

Page 30: ...CHIP C 150PF J ELECTRIC UNIT X25 880X XX SUB CIRCUIT UNIT X16 1180 10 Ref No A d d N e w Parts No Description E KDC MP6090R M KDC MP7018 K KDC MP8017 indicates safety critical components C43 CK73GB1E333K CHIP C 0 033UF K C43 CK73GB1H333K CHIP C 0 033UF K C44 CK73GB1H103K CHIP C 0 010UF K C51 CK73GB1H222K CHIP C 2200PF K C52 C90 5315 05 ELECTRO 3300UF 16WV C53 CK73GB1H103K CHIP C 0 010UF K C54 C90 ...

Page 31: ...RK73EB2B102J CHIP R 1 0K J 1 8W ME R72 RK73FB2A561J CHIP R 560 J 1 10W ME R73 RK73GB1J223J CHIP R 22K J 1 16W E Ref No A d d N e w Parts No Description R74 RK73EB2B103J CHIP R 10K J 1 8W E R76 RK73GB1J473J CHIP R 47K J 1 16W E R77 RK73GB1J104J CHIP R 100K J 1 16W R78 RK73EB2B103J CHIP R 10K J 1 8W R79 80 RD14DB2H102J SMALL RD 1 0K J 1 2W R81 RK73FB2A223J CHIP R 22K J 1 10W R82 83 RK73FB2A472J CHIP...

Page 32: ...2 05 CHIP R 0 J 1 10W E D1 RM10ZLF DIODE D2 MA4056 N M ZENER DIODE D3 RB160L 40 DIODE D4 U1GWJ44 DIODE D5 AM01Z DIODE D5 DSM1SD2 DIODE D5 ERA15 02 DIODE D6 HZS11B2 ZENER DIODE D6 MA4110 L ZENER DIODE D11 HZS6B1 ZENER DIODE ME D11 MA4056 M ZENER DIODE ME D12 HZS5B1 ZENER DIODE E D12 MA4047 M ZENER DIODE E D13 1SR154 400 DIODE D14 1SS133 DIODE Ref No A d d N e w Parts No Description E KDC MP6090R M ...

Page 33: ...220PF J C36 CK73GB1H102K CHIP C 1000PF K C37 CK73GB1H103K CHIP C 0 010UF K Ref No A d d N e w Parts No Description C39 CK73GB1H222K CHIP C 2200PF K C40 CK73GB1C104K CHIP C 0 10UF K C41 CK73GB1H103K CHIP C 0 010UF K C42 CC73GCH1H101J CHIP C 100PF J C43 CK73GB1C473K CHIP C 0 047UF K C45 CK73GB1C104K CHIP C 0 10UF K C46 CK73GB1H103K CHIP C 0 010UF K C48 CK73GB1H103K CHIP C 0 010UF K C49 CK73GB1C104K ...

Page 34: ...2J CHIP R 4 7K J 1 16W R82 RK73GB1J102J CHIP R 1 0K J 1 16W R83 RK73GB1J223J CHIP R 22K J 1 16W R84 RK73GB1J331J CHIP R 330 J 1 16W R85 RK73GB1J220J CHIP R 22 J 1 16W R86 RK73GB1J222J CHIP R 2 2K J 1 16W R87 RK73GB1J122J CHIP R 1 2K J 1 16W R88 RK73GB1J104J CHIP R 100K J 1 16W R90 RK73GB1J101J CHIP R 100 J 1 16W R91 RK73GB1J222J CHIP R 2 2K J 1 16W R94 RK73GB1J512J CHIP R 5 1K J 1 16W Ref No A d d...

Page 35: ...R BLK 55 3B F09 1246 04 SHEET 58 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...

Page 36: ...DC MP6090R FM Frequency Range 87 9MHz 107 9MHz 200kHz 87 5MHz 108 0MHz 50kHz 87 5MHz 108 0MHz 50kHz Frequency step 87 9MHz 107 9MHz 200kHz Channel Space Selection 50kHz 200kHz 50kHz 200kHz Usable Sensitivity S N 26dB 0 7µV 75Ω Usable Sensitivity S N 30dB 9 3dBf 0 8µV 75Ω 9 3dBf 0 8µV 75Ω Quieting Sensitivity S N 46dB 1 6µV 75Ω Quieting Sensitivity S N 50dB 15 2dBf 1 6µV 75Ω 15 2dBf 1 6µV 75Ω Frequ...

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