Kenwood LS-N50VS Service Manual Download

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MINI HiFi COMPONENT SYSTEM

RXD-V555/V555-H/V757

SERVICE MANUAL

B51-5764-00 (K/K) 404

Refer to parts list on page 2

In compliance with Federal Regulations, following are repro-
duction of labels on, or inside the product relating to laser
product safety.

KENWOOD-Corp. certifies this equipment conforms to DHHS
Regulations No.21 CFR 1040. 10, Chapter 1, subchapter J.

DANGER : Laser radiation when open and interlock defeated.
AVOID DIRECT EXPOSURE TO BEAM.

Dress ring
(A21-3957-08)

FRT cab ass'y

(A60-)

Front glass

(B10-)

Panel(VCD)
(A60-2220-08)

Knob(VOLUME)
(K27-2470-08)

Cassette lid(R)
(A21-3959-08)

Phone jack
(E11-0942-08)

Cassette lid(L)
(A21-3958-08)

Jack(MIC)
(E11-0953-08)

Refer to page 2 if you want to know system configuration.

(XD-V555/XD-757)

Knob(MIC VOLUME)
(K29-8153-08)

Summary of Contents for LS-N50VS

Page 1: ...Corp certifies this equipment conforms to DHHS Regulations No 21 CFR 1040 10 Chapter 1 subchapter J DANGER Laser radiation when open and interlock defeated AVOID DIRECT EXPOSURE TO BEAM Dress ring A21 3957 08 FRT cab ass y A60 Front glass B10 Panel VCD A60 2220 08 Knob VOLUME K27 2470 08 Cassette lid R A21 3959 08 Phone jack E11 0942 08 Cassette lid L A21 3958 08 Jack MIC E11 0953 08 Refer to page...

Page 2: ...NAL VIEW 3 ADJUSTMENT 7 PC BOARD 8 SCHEMATIC DIAGRAM 16 EXPLODED VIEW 26 PARTS LIST 28 SPECIFICATIONS Back cover Contents Accessories SYSTEM MAIN UNIT DESTINATION SPEAKER XD V858 RXD V757 MI LS N90VS XD V757 RXD V757 MI LS N70VS XD V555 RXD V555 MI LS N50VS XD V555 H RXD V555 H M LS N50VS H System Configurations The marking of products using lasers Except for some areas The marking is located on t...

Page 3: ...z AM 9kHz FM 100kHz AM 10kHz L SPEAKERS RATED SPEAKER IMPEDANCE 6 OHMS MIN R L R Cabinet TOP A02 3014 08 AC power cord E30 7227 08 RCA socket E02 0021 08 Lock terminal board E70 0144 08 FM Antenna E70 0145 08 Switch S62 0086 08 Pin jack E63 1219 08 AC power cord bushing J42 0338 08 Pin ass y E40 8933 08 ...

Page 4: ...for screen video interface 44 PCLK I O Pixel clock qualifier in for screen video interface 45 49 52 53 54 AUX 0 7 I O Auxiliary control pins AUX0 and AUX1are open collectors 55 62 LD 0 7 I O RISC interface data bus 63 LWR O Unused 64 LOE O RISC interface output enable active low 65 66 67 LCS 3 1 0 O RISC interface chip select active low 68 79 82 87 LA 0 17 O RISC interface address bus 81 VCC Digit...

Page 5: ...nput during bypass PLL mode 13 RESET B I Video reset active low 15 MUTE O Audio mute 17 MCLK I Audio master clock 19 TWS I Dual purpose pin TWS is the transmit audio frame sync SPLL OUT O SPLL OUT is the select PLL output 21 TSD I Transmit audio data input 22 TBCK I Transmit audio bit clock O Dual purpose pin RWS is the receive audio frame sync Pins SEL PLL 1 0 select the PLL clock frequency for t...

Page 6: ... video output 65 ACAP I Audio CAP 71 XOUT O Crystal output 74 XIN I 27MHz crystal input 79 PCLK I O 13 5MHz pixel clock 80 2XPCLK I O 27MHz 2 times pixel clock 82 HSYN B O Horizontal sync active low 84 VSYN B O Vertical sync active low 86 89 92 94 96 98 YUV 7 0 I YUV data bus for screen video port Block Diagram for DAC TV Encoder ES3889 ICM3 Visba ES3889 Companion Chip CD ROM Controller CD ROM Rem...

Page 7: ... 3 AM FREQ FL 990KHz TP302 CONFIRM MAX OUTPUT TRACKING 50dB NO CHECKING ITEM SG N SET FREQ ADJ SPEC REMARKS POINT FL 87 5MHz T301 1 3V 0 1V ADJUST UNTIL VOLTAGE IS WITHIN 1 FM FREQ TP301 GIVEN SPEC COVERAGE FH 108 0MHz TP301 7 8V 0 8V CONFIRM VOLTAGE IS WITHIN GIVEN SPEC ADJUST COIL T302 UNTIL MAX T302 OUTPUT 2 FM IF 10 7MHz TP302 3 FM FREQ 98MHz L312 ADJUST L312 UNTIL MAXIMUM TRACKING TP302 WAVEF...

Page 8: ...L2 C24 CM23 RM64 CM51 CM7 CM1 CM52 CM2 CM24 CM48 CM10 CM13 XL1 CM43 CM12 CM16 RM20 RM18 RM17 RM19 R4 C12 R3 C14 C13 C18 R7 R6 R5 R42 CM28 R55 R56 C20 R79 R13 C23 R12 C26 C42 C27 R44 R35 R37 R38 R39 R40 R45 R46 R17 R16 C30 R15 CM26 RM59 RM14 CM44 CM45 CM41 C64 CM57 C51 C31 CM42 CM53 CM11 RM81 RM80 CM15 RM30 RM31 RM32 RM33 CM33 RM43 RM42 RM44 RM40 RM39 RM38 RM37 RM24 C19 R14 C34 C85 C86 R20 C21 C7 R...

Page 9: ... Q103 IC601 Q852 Q851 Q850 CNS901 BI11 CNP701 Q864 SO301 FM ANT AM AUX IN CNP301 C627 C628 C864 C863 C618 C617 C859 C855 B C852 C856 C602 C606 C619 C629 C630 C621 C620 C622 C623 C625 C626 C624 C613 C614 R855 R856 R852 R853 J858 R866 R867 J604 C850 C860 J855 R382 R392 R391 C394 T303 C380 C307 TP301 C391 C396 ZD351 C398 CF351 C352 C362 T302 X351 C364 CF352 T351 CF302 L352 L354 FE301 C370 C393 C319 X...

Page 10: ...R918 C901 C902 R943 R941 R942 C946 C905 C956 C957 C919 C920 R954 R946 R948 R947 R945 R953 FH813 FH814 C819 C818 C916 C925 J918 J917 J924 J925 J915 J916 J909 J913 J914 RL801 J938 J923 J930 C958 J919 J941 J940 J939 C904 C903 T5A L 250V T5A L 250V F804 F805 F806 F807 T2A L 250V T2A L 250V T801 T801 1 13 E B E B E E E B E B E B B B 1 18 1 5 1 5 1 2 B E 1 6 C811 C812 T802 K902 K901 T5A L 250V F801 FH80...

Page 11: ...C563 C564 C570 C708 R563 R564 C717 XL700 VR701 J717 J718 J719 J723 J721 J728 R579 J701 J702 J703 J704 J705 J707 J708 J779 J780 R701 R703 R702 R709 R710 R711 R712 R713 R714 R715 R716 R708 J720 J722 J724 R720 R718 R719 J748 R726 R727 R728 R725 R781 R724 J749 J706 R729 R733 R734 R737 R738 R795 R796 R736 R775 R735 J744 J745 J746 J737 J743 J755 R788 R717 J754 J736 J757 J758 J759 J752 J756 R786 J761 J75...

Page 12: ...31 32 R45 1 2K R40 1 2K 0 022 C82 47u10 C28 0 022 C29 39K R5 6 8K R7 6P C18 56K R42 C12 0 022 47u6 3 C11 27K R6 C14 0 33 C13 0 01 47K R3 R4 10K 680 R12 0 047 C23 680 2 2u50 C24 1 5M R79 R13 R11 12K C21 0 1 R14 1 2K C22 100P C20 0 1 R10 27K R80 1M C26 0 047 10K R15 C42 68P 330 R8 C17 4700P C27 0 1 C25 0 022 C81 0 022 0 022 C46 0 R111 0 R110 LD M LD M 3 1 4 2 1 2 4 3 0 1 C8 R25 10K 100u10 C6 1000P C...

Page 13: ... RM60 10K CM45 100u10 10K RM61 10K RM62 R56 100K R57 100K RM58 10K RM59 10K 10u16 10u16 10u16 10u16 RM55 6 8K 47 RM50 RM74 220 VCC D0 2 1 VCC 6 5 4 3 D2 D1 D3 RAS D7 9 7 8 10 D5 D4 D6 11 13 12 14 NC NC WE 18 17 15 16 NC A1 A0 20 19 A3 A2 VCC VSS D15 VSS 39 40 D13 D14 D12 37 38 35 36 OE D8 D10 D11 34 33 32 D9 31 CAS NC CAS2 30 29 28 27 23 26 25 A8 A6 A7 24 VSS 21 A4 A5 22 17 18 19 20 21 22 23 24 25...

Page 14: ... C365 0 022 C366 1000P C363 0 022 C364 2 2u50 R358 C361 0 022 C334 22P R323 68K R336 10K AM LOW CUT AM RF IN AM OSC IN AM OSC OUT FM AFC VSM 3 9K 21 22 23 24 19 20 C367 C342 0 022 R365 10K C362 3 3u50 R350 R364 2 2K 0 027 0 027 C369 27P C374 C373 L ch OUT R ch OUT MPX VCO FM AM OUT MPX IN MO ST 16 17 18 14 15 C372 X351 C368 1u50 1u50 C371 1u50 13 R361 3 3K R362 3 3K R356 1K TP302 R357 470K SP DET ...

Page 15: ... 220V 230 240V 3 9 0 1 0 1 0 022 0 022 0 1 0 1 3 9 0 022 0 022 1 2W 1 2W T2 5AL 250V T2 5AL 250V 110V R757 10K C717 47u25 43 55 50 56 53 10 PLAY SW1 9 PLAY SWA 9 10 END SW1 R REC 8 T1 RUN FPB 8 F REC 7 FPA 7 12V 44 42 R758 6 6 SOL1 T SOL A R759 10K T SOL B SOL2 5 5 10K R752 10K 50 R767 10K R738 54 GND GND 3 3 MTR 4 T MOTOR 4 END SW2 2 T2 RUN 2 51 PLAY SW2 1 PLAY SWB 1 R770 10K R756 10K 51 52 1K 1K...

Page 16: ...0 1 4W 12V KARAOKE LATCH 20 18 19 SPAN MIC IN 57 15 16 17 SP DET SP RLY 48 49 5V 11 A GND 13 15V 15V 14 15 20dB SW 5V 2 5V 12 M 12V 12V 9 SMUTE 41 10 SPA SIG REC PLAY 7 8 T T1 T2 6 5 P IN 1 1 5 6 D GND T BIAS 4 3 4 DI DO 24 23 1 2 CE CLK 22 21 22u50 C713 AC RLY CONT 3 3 47 2 2 5V UN SW 5V 5 4 5 4 B VP VF2 6 6 VF1 7 8 7 8 52 7 RES OUT CLAMP SW 5 6 5 6 17 18 CD DI CD CLK 3 4 3 4 19 20 CD CE CD DO 1 ...

Page 17: ... 41 38 844 6 5 5 5 1 2 FM DM SW4 AN AN AR AS AQx2 AQx2 803 804 858 859 AL AL SCREW AM ø3x8 AN ø2 6x6 AQ ø2x3 AR WASHER AS ø2x5 N09 5335 08 N09 5332 08 N32 2606 46 N30 2003 46 N19 1435 05 N86 2005 46 24 43 35 66 M3 SW1 SW2 SW3 54 32 57 53 39 39 39 39 39 PWB C PWB F PWB B 1 2 3 A B EXPLODED VIEW CD MECHANISM RXD V555 V757 26 ...

Page 18: ...x2 Ex2 B M901 753 717 656 635 630 734 786 654 752 750 T801 628 655 649 649 649 629 791 705 747 681 624 643 643 620 639 744 640 748 706 704 785 751 629 787 630 754 793 624 615 661 780 614 616 675 676 782 610 611 609 608 612 613 642 641 660 607 BM BS2 BS1 601 603 602 643 643 PR1 RPEH PR2 PF A B C N09 5330 08 N09 5331 08 N09 5334 08 3x12 3x10 D E F N09 5335 08 N09 5338 08 N09 5343 08 3x10 2x8 G H J N...

Page 19: ...rts Parts No Description Desti nation Re marks 601 1C A02 3014 08 CABINET TOP GCAB 1195AWSA 602 1C A02 3015 08 CABINET R GITAS0092AWSA 603 1C A02 3016 08 CABINET L GITAS0075AWSA 607 2C A21 3957 08 DRESS RING KNO HDECQ0703AWSA 608 2C A21 3958 08 CASSETTE LID L GCOVA1365AWSA 609 2C A21 3959 08 CASSETTE LID R GCOVA1366AWSA 610 2C A53 2251 08 CASS HOLDER L GDORF0104AWSA 611 2C A53 2252 08 CASS HOLDER ...

Page 20: ...any V China Shanghai Y AAFES Europe X Australia Q Russia H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks C46 CK73GB1E223K CHIP C 0 022UF K C47 CE04LW1A101M ELECTRO 100UF 10WV C49 50 CE04KW1A101M ELECTRO 100UF 10WV C51 CE04KW0J470M ELECTRO 47UF 6 3WV C52 CK73GB1C103K CHIP C 0 010UF K C53 CK73GB1H102K CHIP C 1000PF K C54...

Page 21: ...many V China Shanghai Y AAFES Europe X Australia Q Russia H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks C571 573 CK73EB1E223K CHIP C 0 022UF K C602 CE04LW1C470M ELECTRO 47UF 16WV C605 CE04LW1H4R7M ELECTRO 4 7UF 50WV C606 CE04LW1C221M ELECTRO 220UF 16WV C607 608 CF92FV1H124J MF C 0 12UF J 5 6 C607 608 CF92FV1H154J MF ...

Page 22: ...e sont pas fournis Teile ohne Parts No werden nicht geliefert 8 L Scandinavia K USA P Canada R Mexico C China I Malaysia Y PX Far East Hawaii T England E Europe G Germany V China Shanghai Y AAFES Europe X Australia Q Russia H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks CM2 CE04LW1C100M ELECTRO 10UF 16WV CM5 CE04LW1A1...

Page 23: ...Y PX Far East Hawaii T England E Europe G Germany V China Shanghai Y AAFES Europe X Australia Q Russia H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks XL700 L77 2230 08 CRYSTAL RESONA RCRSP0003AWZZ LM1 2 RK73FB2A000J CHIP R 0 J 1 10W MJ1 7 RK73EB2B000J CHIP R 0 J 1 8W MJ101 RK73EB2B000J CHIP R 0 J 1 8W MJ306 RK73EB2B00...

Page 24: ...ai Y AAFES Europe X Australia Q Russia H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks R378 RK73EB2B102J CHIP R 1 0K J 1 8W R379 RK73EB2B222J CHIP R 2 2K J 1 8W R380 RK73EB2B152J CHIP R 1 5K J 1 8W R381 RK73EB2B103J CHIP R 10K J 1 8W R383 RK73EB2B562J CHIP R 5 6K J 1 8W R385 RK73EB2B562J CHIP R 5 6K J 1 8W R388 RK73EB2...

Page 25: ... Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks RM25 RK73GB1J103J CHIP R 10K J 1 16W RM26 27 RK73GB1J472J CHIP R 4 7K J 1 16W RM28 RK73GB1J000J CHIP R 0 J 1 16W RM30 31 RK73GB1J330J CHIP R 33 J 1 16W RM32 RK73GB1J100J CHIP R 10 J 1 16W RM33 RK73GB1J330J CHIP R 33 J 1 16W RM34 RK73GB1J103J CHIP R 10K J 1 16W RM35 RK73GB1J101J CHIP R 1...

Page 26: ... Q803 KTA1274Y TRANSISTOR VSKTA1274Y 1T Q850 KTC2026 TRANSISTOR VSKTC2026 1 Q851 KIA7810AP IC VHIKIA7810AP1 Q852 KIA7805AP MOS IC VHIKIA7805AP1 Q862 863 KTC3199GR TRANSISTOR VSKTC3199GR 1T Q864 KRC102M TRANSISTOT VSKRC102M 1T Q865 KTC3199GR TRANSISTOR VSKTC3199GR 1T Q901 904 KTC3199GR TRANSISTOR VSKTC3199GR 1T Q905 KRC107M TRANSISTOR VSKRC107M 1T Q907 KTC3203Y TRANSISTOR VSKTC3203Y 1T QK1 KTC3203Y...

Page 27: ...imit Video Output format NTSC PAL Video Output lever 1Vp p 75 Ω General Power consumption 100W Dimensions W 270mm 10 5 8 H 330mm 13 D 390mm 15 3 8 Weight net 8 5 kg 18 7 lb 14 6 Dogenzaka 1 chome Shibuya ku Tokyo 150 8501 Japan KENWOOD SERVICE CORPORATION P O BOX 22745 2201 East Dominguez St Long Beach CA 90801 5745 U S A KENWOOD ELECTRONICS CANADA INC 6070 Kestrel Road Mississauga Ontario Canada ...

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