CD RECEIVER KDC-MP925 KDC-W8027 SERVICE MANUAL © 2004-02 PRINTED IN JAPAN B53-0131-00 (N) 2439 CD mechanism extension cord (24PIN) : W05-0935-00 Panel assy KDC-MP925 (A64-3226-01) Panel assy (A64-3248-02) Panel assy KDC-W8027 (A64-3232-01) Panel assy (A64-3252-02) * DC cord (E30-6295-05) * DC cord (E30-4942-05) *Remote controller assy (A70-2026-05) : RC-420 Escutcheon (B07-3078-01) Mounting hardware assy (J21-9823-03) *Remote controller assy (A70-2040-05) : RC-505 Plastic cabinet assy (A02-2731-
KDC-MP925/W8027 BLOCK DIAGRAM (X34- ) AUX IN 8V IC2 TUNER IC5 Q207,208 8V AM CD Q303,304 CH AM+B 8V SYSTEM E'S+ BUFFER 8V SW5V 9V OP AMP PRE OUT (FRONT) 9V BUFFER IC6 IC4 WOW IC14 IC1 SP OUT (FL) 8V SP OUT (FR) IC20 FOCUS SW POWER IC 8V SP OUT (RL) SP OUT (RR) IC9 CD BU5V 8V SERVO CD4.
KDC-MP925/W8027 COMPONENTS DESCRIPTION ● SUB CIRCUIT UNIT (X16-2080-10) Ref No. IC1 Application / Functions E2PROM Operation / Condition / Compatibility E2PROM for security ● DISPLAY UNIT (X16-2530-11) Ref No. Application / Functions Operation / Condition / Compatibility IC1 Panel microprocessor Panel control microprocessor IC2 ROM IC Graphic ROM IC4 AVR For 3.3V power supply IC5 AVR For 2.5V power supply IC6 Buffer IC Level shift buffer IC (5V→3.
KDC-MP925/W8027 COMPONENTS DESCRIPTION Ref No. Application / Functions Operation / Condition / Compatibility IC9 AVR 3.3V AVR (IC2 DAC part) Q1,4 Level shift FET Level shift (3.3V - 5.0V) Q3,5 Level shift TR Level shift (3.3V - 5.0V) Q6 Level shift TR Level shift (3.3V - 5.0V) Q7 Level shift TR Level shift (3.3V - 5.0V) Q8 APC Auto power control Q9,10 Switching TR Sub beam delay control switch ● ELECTRIC UNIT (X34-3030-10, X34-3032-71) Ref No.
KDC-MP925/W8027 COMPONENTS DESCRIPTION Ref No.
KDC-MP925/W8027 MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No.
KDC-MP925/W8027 MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No.
KDC-MP925/W8027 MICROCOMPUTER’S TERMINAL DESCRIPTION Fig.1 WOW mode operation MODE WOW MODE1 WOW MODE2 WOW MODE3 FOCUS BYPASS L L L Don’t care TuBass L H L Don’t care 3D-STEREO L L H Don’t care FOCUS LOW H L L L (Hi-Z) FOCUS HI H L L H WOW LOW H H H L (Hi-Z) WOW HI H H H H Fig.
KDC-MP925/W8027 MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No.
KDC-MP925/W8027 MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No. 10 Pin Name I/O Description / Processing Operation 87 FL LATCH O Latch output to FL driver IC 88,89 NC - NC 90 REMO ON O Power supply control for remote control IC (H : ON, Hi-Z : OFF) 91 FL3.3V SW O FL3.3V control terminal (H : ON, Hi-Z : OFF) 92 FL+B SW O FL+B control terminal (H : ON, Hi-Z : OFF) 93 3.3V SW O 3.
KDC-MP925/W8027 TEST MODE ● How to enter the test mode While pressing and holding the Preset 1 and Preset 3 keys, reset the unit. ● How to exit from the test mode While holding the Preset 6 key, reset the unit. Note : Turning ACC off, power off, momentary power down or panel detaching does not terminate the test mode. ● Test mode specifications of the CD receiver • Forced ejection is inhibited in the reset start operation.
KDC-MP925/W8027 TEST MODE ● Menu-related specifications AM key • A short press of the Q key initiates the menu mode. • Pressing the DNPP key on the remote initiates the Menu mode. • Continuous holding of a remote control key is inhibited, and workings are short press of any keys. • Contrast is adjusted in 3 steps of 0 / 5 / 10 with the Track Display panel E2PROM condition.
KDC-MP925/W8027 TEST MODE ● Security information 1. Forced Power ON mode (All models) Even when the security (Cord) is approved, resetting the unit while holding the Q and Preset 4 keys makes it possible to turn the power ON for 30 minutes. After 30 minutes have elapsed, it is not possible to return to the previous condition unless the unit is reset again. (Security code is doing not clear at this mode. Put the power on fill-in.) When panel security was set up for the unit when it is can 3.
A 1 B C D E KDC-MP925/W8027 PC BOARD (COMPONENT SIDE VIEW) ELECTRIC UNIT X34-3030-10, X34-3032-71 (J74-1473-32) CN1 CN2 12 2 11 1 IC4 8 Q12 Q11 E C272 22 1 12 23 28 C250 1 MUTE C297 D15 C298 W3 C47 C203 8 11 R232 C700 C42 C43 R35 IC12 4 1 C271 E C31 Q205 5 IC20 8 B 4 R101 C36 IC1 R108 50 R109 51 R119 R121 R123 R525 R120 R122 5 R526 R107 5V CN4 RST 24 1 2 3 C219 C218 C202 CLK DATA R164 R163 R162 R160 R159 1 100 C101 R106 R503 R504 R625 R626
F G H I J KDC-MP925/W8027 1 DISPLAY UNIT X16-2530-11 (J74-1587-02) D1 D3 SWITCH UNIT X16-2560-10 (J74-1590-02) S9 2 S10 D2 S14 D21 S12 17 A1 SHIFT R261 18 C279 SRC W2 25 1 C278 C206 L7 D4 C275 D22 S15 20 24 C10 FM 6 S17 D5 D20 CN3 AM D6 5 L305 S19 D19 L307 4 R305 S18 BE S20 L306 C502 3A IC4 2E Q13 2A IC5 3D Q15 4C 2B Q25 3B IC12 4C Q26 4B IC13 3C Q203 3C IC18 3B Q204 4C IC20 4C Q205 4C Q1 3A Q206 4C Q6 3A Q207 3C Q7
K 1 L M N O KDC-MP925/W8027 PC BOARD (FOIL SIDE VIEW) D210 D209 D211 D212 D215 D216 D213 D214 ELECTRIC UNIT X34-3030-10, X34-3032-71 (J74-1473-32) C2 BU 2 1 16 IC16 5M Q31 4N IC19 6O Q201 3M Q202 3M 4P Q210 5P Q4 3Q Q303 3L Q5 3Q Q304 3L Q14 3Q Q501 5O Address Q16 4O Q502 6N 6K Q17 5O Q503 6O Q18 5O Q601 3P Q19 5O Q602 4Q Q20 6O Q603 4N 8 CP1 IC1 5 D505 B R517 D506 R31 R252 R229 R226 R228 R238 R240 R227 R239 D10 C40 C39 L101
P Q R S T KDC-MP925/W8027 1 AUXR CH GND CH+B AUXG R5 Q14 EB C7 R8 W1 D2 BU5V Q2 R1 D4 C46 R38 C21 R16 R271 R275 R273 C294 C295 Q210 PAN5V FL FR RL NGND NL R45 C44 R44 D18 R36 R37 FGND RGND C289 C281 C285 C282 C280 C287 C288 C283 C45 D19 NR C284 R30 R43 R28 R31 D13 D10 D12 D11 C293 DGND ILL+B VOLA R34 C31 CP31 R6 R7 R5 R35 C28 C1 S5 Q8 6 KS1 R26 R41 BE 5 C3 R27 Q7 24 ILLGND VOLB PAN5V KS2 R278 CN1 R276 R274 KS4 1 KI1 KS3 KI3 KI2 RED
U 1 V W X Y KDC-MP925/W8027 PC BOARD (COMPONENT SIDE VIEW) 2 C46 C18 CP11 C32 S2 CD PLAYER UNIT X32-5540-00 (J74-1552-12) S1 C50 C35 R66 C25 CP6 C29 RFOK C67 C66 R27 L1 C72 R38 3 32 C69 17 33 CP12 16 C27 IC3 1 CP7 CBE MIACK E BC C11 C13 C8 5 3 1 C3 IC6 4 5 C10 R69 EB D SG Q4 R12 Q7 S4 R6 R13 6 X32-5540-00 Ref. No. Address IC3 4V IC6 5W Q4 5V Q5 5X Q7 5W 7 Refer to the schematic diagram for the values of resistors and capacitors.
Z AA AB AC AD KDC-MP925/W8027 PC BOARD (FOIL SIDE VIEW) 1 C59 C60 C62 C61 CP10 R54 R25 IC9 Lch 4 3 5 1 C70 A.GND Rch CN1 DATA /MUTER 8EJE LOE/LIM SPDL- /MUTEL C2 C17 L2 R4 DAVdd3.3V R3 C71 A.+8V /MRST TXO LRCKIA 5 4 IC8 R28 C4 C42 C43 C58 R60 R62 R7 51 75 MD R59 FD /MSTOP Q1 5 POND3.3 R8 76 50 D R58 R61 1 C57 C63 SPDL SD R16 R14 IC1 T1 T2 IC4 R57 C56 R15 INT /RST T3 T4 FLAGIN 30 100 R11 LIM-SW 1 26 A0 /STB SEARCH 15 XI /BOOT BU3.
A B C D E KDC-MP925/W8027 1 (X34-303x-xx) TP66 7 10 GRY/BLK R 6 11 GRY BLU ANT CONT P. CONT 5 12 4 13 BLU/WHT 3 14 RED ACC 2 15 BLK 1 16 22K GRN VIOL/BLK BRN ORG/WHT 22K Q5 Q4,5 C34 2.2 22K SW14V EXT. CONT. TP60 Q6-8 Q6 ILLUMI YEL BATT 5 12 4 13 GRN/BLK VIOL/BLK VIOL PMK/BLK R7 4.3K RLRR- C8 220u10 + RR+ EXT. CONT D4 TEL MUTE C701 0.47 P CONT BLU/WHT 3 14 RED 2 15 BLK 1 16 BRN ORG/WHT R27 91K C39 2.
F G H I J KDC-MP925/W8027 (X34-303x-xx) UNIT No. 0-10 0-11 0-01 2-71 MODEL NAME C264,265, 268,269 C94-0040 C94-0040 C94-0039 C94-0039 C297, C501 C502 C505 298 22u16 NO YES NO 22u16 NO YES NO 10u16 NO NO YES 10u16 YES YES NO R33 R34 R106 R107 R108 R109 47K 47K 100K 47K 22K 22K 47K 22K YES YES NO NO NO NO YES NO YES YES NO YES YES NO NO YES R124- R148,149, R222,223,234, R230,231,242, 243,254,255 126 154,155,521 235,246,247 NO NO 2.2K NO NO NO 2.
X34-303x-xx (3/5) CN4 24 23 22 21 20 19 18 17 16 15 14 13 12 to CD MECHANISM 10 6.8V 39 95 R603 2.2K D208 38 39 R261 7.5K 9 8 7 6 5 4 3 2 1 CN5 R607 910 C601 0.1 90 R139 2.2K R140 2.2K R138 2.2K R137 1K R611 10K R610 2.2K 100K R601 40 0.047 D216 1 2 3 FL GND 8.4V C227 D214 R614 910 34 TP701 D215 R602 100K D213 ILL+B R260 10 PRR PRL AUXL AUXG R263 10 TP89 TP90 TP88 TP82 TP83 TP84 CN1 FL+B C287 0.1 R264 10 C286 0.01 R262 4.
FL+B B 2/3 21 22 23 24 25 26 27 28 P E2P DATA E2P5V P E2P CLK PAN DET ESD GND 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 D507 D506 43 44 D204 39 R624 3.3K R623 3.3K ∗C250 D505 D202 22K 39 2.2u50 + 40 41 4.2V 4.2V 44 43 42 SUBL CREF MDL D201 C202 0.47u50 + C201 0.47u50 + TP32 D508 D601 D203 X16-253CN1 P1 X34-303x-xx (4/5) 23 CDCHR- 1K 38 ACIN0R 4.2V 35 ACIN0L 36 ACOUTL 37 ACOUTR 38 SUBR 6 R625 4.2V 34 ACIN3L 27 8.4V 28 1 4.2V C219 1 29 4.
U V W X Y KDC-MP925/W8027 1 5 9 2 6 10 3 7 11 4 8 12 CN3 ∗H LX-BUS EXTERNAL DISPLAY & STEERING REMOTE CORD 1 13 : : : : : : : : IC10-13 IC14 IC15,16 IC18 IC19 IC20 UPD703030GC041 TDA7411 M5237ML TDA7560 TDA7401 NJM2195FJ1 ICL7660SIBA TC74HCO2AF : : : : : : O CLK W2 3 2 TP108 TP107 L7 1 R510 470 D301 1 2 TP2 3 4 TP3 D504 L303 4.7uH 5 TP4 6 C303 0.01 7 68 L304 4.7uH R303 Q304 1K 21 TP9 1 4.2V AXIL L305 4.7uH 16 TP11 18 VCC 28 17 19 TP12 20 21 TP13 8.
Z AA AB AC AD KDC-MP925/W8027 DISPLAY UNIT (X16-2530-1x) 4 R26 10K 3.3V 0V 10K 5.0V 1 VCC PAN5V 12 20 TP6 TP7 CP1 470 1/3 2 45 Y1 14 5V 0V IC4 3.3V AVR TP11 CP2 470 16 VIN ON/OFF 3.4V 5 17 SCCON 17 VSS VOUT EXT 3 4.9V 2 0V TP14 20 SYSTX 20 L3 TP37 C7 1 19 C1 0.1 TP13 SYSRX 19 5 TP15 Y3 0V 7 4.2V 1 EXT A2 6 2 0V VSS VOUT Y2 5 107 3 4.9V VIN ON/OFF 2.5V Q1 C2 10u10 + 18 4 IC5 2.5V AVR 4.9V 4 4.2V 1 TP12 SCREQ 18 R200 3.
AE AF AG AH AI KDC-MP925/W8027 ED1 3.3V 5.0V LEVEL SHIFT 5.0V IC7 5.0V C22 0.1 7 G2 2 A1 3 Y2 0V 4 6 Y1 5V 0V 18 5 3.3V A2 0V GND 19 8 3.3V VCC 0V G1 19 16 17 14 1 G8 G9 G10 G11 G12 G13 G14 G15 G16 G17 G18 G19 G20 G21 G22 G23 G24 G25 G26 G27 13 91 A21 109 RED LED GREEN LED NC NC FLASHROM CHECK 3.3V 0V CE F/ROM CE RON 107 106 A14 107 CP10 1K 105 104 A13 106 A12 105 A11 A10 103 102 A15 108 TP44 101 101 100 A9 A20 A21 100 3.
AJ AK AL AM AN KDC-MP925/W8027 1 192x36 Dot Matrix 2 G6 G7 G8 G9 G10 G11 G12 G13 G14 G15 G16 G17 F1 R29 2.2K 2.2 Q9 2.2K FL BK SW LNNF R38 270K 1 R02 3 4 5 RENF LNIN 6 R39 RST F01 18 17 16 F02 F03 15 F04 F05 13 14 F06 12 3.3V 0V 111 79 78 77 76 75 74 R40 33K CP32 47K CP31 47K IC9 R49 100 4 A1 VCC 3.3V 0V B1 Y2 Y1 B2 3.3V 0V GND A2 8 3.3V 7 6 5 C27 0.
AO AP AQ AR AS KDC-MP925/W8027 1 DAN202U ∗R10 0.01 ∗D21 ∗D22 0.01 ∗R9 ∗C11 ∗C12 0.01 ∗D19 0.01 ∗D20 ∗R8 ∗C9 ∗C10 0.01 ∗D17 0.01 ∗D18 ∗C7 ∗C8 0.01 ∗D14 0.01 ∗D15 ∗R7 ∗R6 ∗C4 ∗D10 ∗C5 ∗D7 0.01 ∗D9 ∗D12 ∗D6 0.01 ∗D4 ∗D13 ∗R5 ∗D2 ∗C2 ∗D8 ∗C3 ∗D5 0.01 ∗D3 ∗D11 ∗D1 ∗C1 ∗R4 ∗R3 ∗R2 ∗R1 SWITCH UNIT (X16-2560-xx) DAP202U DA204K DA204U DTA114YUA ILLUMINATION SW R14 3.3K S20 D25 R16 Q2 2.2K R13 10K R15 10K RESET R12 3.
AT AU AV AW AX KDC-MP925/W8027 CD PLAYER UNIT (X32-5500-00/01,5540-00/01) 1 C26 0.1 7 6 3.3V C15 0.1 5 3.3V 0V R22 10K C66 16 17 18 19 20 21 22 R38 23 12P C67 220 X1 16.898MHz 24 18P 0V 25 1500P 96 97 TE2 TEC AGND2 98 3.3V 0V C30 DAGND1 REGC DAGND2 LOUT DAVDD2 XVDD XTAL XTAL XGND 3.3V C29 0.1 VREFH SEL1 100 99 99 ROUT 3.3V C16 4.7 4 NC C8 1 CE 3.3V 5 VOUT VSS 1 2 3 VIN VOUT VSS CE NC 5 2.5V 4 CP12 100K C4 1 4.5V 0V 4.5V C20 R68 0.
AY AZ BA BB KDC-MP925/W8027 1 Q9,10 CN2 SW 0.1 C47 ATEST 76 EQ1 EQ2 RFI ADVDD ASY 75 74 73 72 R51 3.9K 71 C49 ADGND IC2 TEST0 RF AMP/SERVO CD SIGNAL PROCESSOR TEST1 TEST2 TEST3 TEST4 TESTEN DGND4 C51 33P ARF 3.3V 69 1.65V C18 0.1 F+ 13 FCS+ T+ 14 TRK+ T- 15 TRK- F- 16 FCS- C55 0.01 67 66 0V 65 64 63 62 61 C32 0.1 60 LRCK LRCKIN 56 54 54 51 3.3V C50 0.1 C33 0.1 VSS3 48 47 PI1 PI4 PI0 FI1 VSSM 46 45 43 44 FI0 VDDM IRQ 42 41 0V 100K 2.
KDC-MP925/W8027 EXPLODED VIEW (MECHANISM) A B F 43 37 43 51 F 1 43 855 56 37 843 55 43 2 36 843 33 Jx2 37 H 834 53 Bx2 850 843 37 32 849 41 807 809 35 33 DPU1 22 G 40 8 5 806 E Ax2 15 44 2 39 801 Cx2 42 45 23 11 10 DM2 38 18 27 29 30 17 19 26 12 13 28 25 31 14 DFPC1 16 24 DM1 842 F 52 (X32) 3 A B C E F G H J φ2x8 M1.7x8.5 M1.7x2.5 M2x2 φ2x6(BLK) 1.6 WASHER M2x2 φ2x3.
KDC-MP925/W8027 EXPLODED VIEW (UNIT) C : A M2x1.9 : B : C M2x2 : D : E M2x3(BLK) : F φ2x5 : G φ2x5(BLK) : J M2x3(BLK) : K M2x2 : M φ2x5(BLK) N FLAT WASHER : 210 278 220x2 RM2 DC2 303 RM1 306 201 1 SIZE AA BATTERY (Not Supplied) N19-2176-04 N24-3015-60 N38-2025-46 N38-2650-45 N67-3005-46 N83-3005-46 N83-3008-46 N86-2004-45 N80-3008-46 N83-3010-46 N84-2004-46 DC1 PA1 219 270 D : P FLAT WASHER Q RETAINIING RING : : R M2x2.5 : S M2.
KDC-MP925/W8027 PARTS LIST ✽ New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. A N DestiRef. No. d e Parts No.
KDC-MP925/W8027 PARTS LIST ✽ New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. A N DestiRef. No. d e Parts No. Description nation d w C 3D ✽ N09-6087-15 MACHINE SCREW D 3C N09-6088-05 STEPPED SCREW MACHINE SCREW E 3D ✽ N09-6089-15 F 2C N09-6093-05 TAPTITE SCREW G 2C N09-6094-05 MACHINE SCREW KDC-MP925/KDC-W8027 Ref. No. A d d N e w Parts No.
KDC-MP925/W8027 PARTS LIST ✽ New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. A N DestiRef. No. d e Parts No. Description nation d w R4 RK73GB2A223J CHIP R 22K J 1/10W R5 RK73GB2A101J CHIP R 100 J 1/10W R6 RK73GB2A223J CHIP R 22K J 1/10W R7 RK73GB2A102J CHIP R 1.
KDC-MP925/W8027 PARTS LIST ✽ New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. A N DestiRef. No. d e Parts No. Description nation d w C30 CK73GB1H152K CHIP C 1500PF K C31 CC73GCH1H470J CHIP C 47PF J C32,33 CK73GB1C104K CHIP C 0.10UF K C34 CC73GCH1H560J CHIP C 56PF J C35,36 CK73GB1C104K CHIP C 0.10UF K CD PLAYER UNIT (X32-5540-00) Ref. No. A d d N e w Parts No.
KDC-MP925/W8027 PARTS LIST ✽ New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. A N DestiRef. No. d e Parts No. Description nation d w IC4 BA5824FP ANALOGUE IC IC5 NJM2880U133 ANALOGUE IC IC5 NJM2880U33 ANALOGUE IC IC6 S-1112B33MCG ANALOGUE IC IC6 XC6219B332MR ANALOGUE IC CD PLAYER UNIT (X32-5540-00) Ref. No. C100 C100 C101 C102 C103 A d d N Parts No.
KDC-MP925/W8027 PARTS LIST ✽ New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. A N DestiRef. No. d e Parts No.
KDC-MP925/W8027 PARTS LIST ✽ New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. A N DestiRef. No. d e Parts No. Description nation d w R101 RK73GB2A103J CHIP R 10K J 1/10W R102 RK73GB2A153J CHIP R 15K J 1/10W R103 RK73GB2A104J CHIP R 100K J 1/10W R106 RK73GB2A103J CHIP R 10K J 1/10W K1 R108,109 RK73GB2A103J CHIP R 10K J 1/10W E1 Ref. No. N e w Parts No.
KDC-MP925/W8027 PARTS LIST ✽ New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. A N DestiRef. No. d e Parts No. Description nation d w R512 RK73EB2E102J CHIP R 1.0K J 1/4W R513 RK73GB2A223J CHIP R 22K J 1/10W R514 RK73GB2A392J CHIP R 3.9K J 1/10W R515,516 RK73GB2A472J CHIP R 4.7K J 1/10W R517,518 RK73EB2E101J CHIP R 100 J 1/4W ELECTRIC UNIT (X34-3030-10, X34-3032-71) Ref. No.
KDC-MP925/W8027 PARTS LIST ✽ New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. A N DestiRef. No. d e Parts No.
KDC-MP925/W8027 SPECIFICATIONS KDC-MP925 KDC-W8027 FM Frequency Range (Frequency step) ....... 87.9MHz~107.9MHz (200kHz) Channel Space Selection ............................................... 50k/200kHz Usable Sensitivity (S/N 30dB) ............................. 9.3dBf (0.8µV/75Ω) Quieting Sensitivity (S/N 50dB) ......................... 15.2dBf (1.6µV/75Ω) Frequency Response (±3.0dB) ..................................... 30Hz~15kHz S/N ....................................................................