Kenwood LS-N323 Service Manual Download

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MINI HiFi COMPONENT SYSTEM

RXD-V323/LS-N323

SERVICE MANUAL

(XD-V323)

70%

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

KENWOOD-Crop. certifies this equipment conforms to DHHS
Regulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J.

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

Refer to RXD-251 service manual (B51-5454-00),
if require to know the mechanism operation
description in detail.

DISC SKIP

DISC

INPUT

BAND

PHONES

EX.BASS

TUNING MODE

MULTI CONTROL

SELECT

DISPLAY

ENTER

DEMO

ON/STANDBY

TAPE A/B

REC/ARM

VOLUME

PLAY

REC/

PLAY

OPEN/CLOSE button
(K29-7646-08)

Front window
(A29-1083-08)

POWER button
(K29-7715-08)

Knob (JOG)
(K29-7658-08)

MIC volume knob
(K29-7713-08)

MIC jack
(E11-0387-08)

STOP button
(K29-7654-08)

Cassette window L
(B10-3527-08)

CD door
(A60-1751-08)

Knob (VOLUME)
(KK29-7652-08)

Headphone jack
(E11-0943-08)

TUNING button assy
(K29-7643-08)
Control plate
(A22-1831-08)

PLAY button
(K29-7656-08)

Cassette window R
(B10-3528-08)

Cassette door R
(A53-2159-08)

Front panel
(A60-1722-18)

DISC button base assy
(K29-7641-08)

PLAY/PAUSE button
(K29-7648-08)

EX.BASS button assy
(K29-7642-08)

Cassette door L
(A53-2158-08)

www. xiaoyu163. com

QQ 376315150

TEL 13942296513

TEL 13942296513 QQ 376315150 892498299

Summary of Contents for LS-N323

Page 1: ... SELECT DISPLAY ENTER DEMO ON STANDBY TAPE A B REC ARM VOLUME APLAY REC PLAYB OPEN CLOSE button K29 7646 08 Front window A29 1083 08 POWER button K29 7715 08 Knob JOG K29 7658 08 MIC volume knob K29 7713 08 MIC jack E11 0387 08 STOP button K29 7654 08 Cassette window L B10 3527 08 CD door A60 1751 08 Knob VOLUME KK29 7652 08 Headphone jack E11 0943 08 TUNING button assy K29 7643 08 Control plate A...

Page 2: ...Press the POWER key while holding the Stop 7 key of the CD section pressed to switch off the power and then switch the power on again after a few seconds Please note that resetting the microcomputer clears the contents stored in and returns and to condition when it left the factory CONTENTS ACCESSORIES CAUTIONS 2 EXTERNAL VIEW 3 BLOCK DIAGRAM 4 CIRCUIT DESCRIPTION 5 ADJUSTMENT 8 PC BOARD 11 SCHEMA...

Page 3: ... L L R R Antenna terminal 4p E70 0070 08 Slide switch S62 0083 08 Phono jack E63 1076 08 1P RCA jack E63 1075 08 Lock terminal board E70 0108 08 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 ...

Page 4: ...ER MPEG AUDIO DECODER DECODER MPEG VIDEO DRAM ARBITER MPEG DECODER LC74202E IC08 CPU PLL VCO 54MHz IC02 from CD DSP LC78630E 4MBIT DRAM IC10 LC32V4265T from MPEG CN404 VIDEO OUT JK402 MIC IC401 Q404 Q403 MUTE OUT AUX R P SWITCHING AMP REC TUNER VOLUME TREBLE MIDDLE BASS SPKR ATT SUPPLY L R I CBUS DECODER LATCHES JK502 JK501 Q504 REC O P SWITCH BUFFER REC BUFFER REC Rch Lch Q218 Q217 ERASE CONTROLL...

Page 5: ...D PCB IC03 interface data output 7 DATA IN I Sub CPU CD PCB IC03 interface data input 8 CLK OUT O Sub CPU CD PCB IC03 interface clock output 9 N C No used 10 STB OUT O Strobe output 11 BUSY IN I Busy input 12 RESET I Reset signal input O 13 POWER DOWN I Power down input O 14 GND Ground 15 VSS Ground 16 X1 Xtal 6 0MHz 17 X2 Xtal 6 0MHz 18 VDD1 Power supply 5 0V 19 21 K1 K3 I Key input K1 K3 22 K4 C...

Page 6: ...Other 66 SOL B O Control port of solenoid for deck B On Off 67 DUBBING O Dubbing control Dubb Nor 68 SOL A O Control port of solenoid for deck A On Off 69 REC MUTE O REC mute control Other Rec 70 BIAS O Deck bias control Rec Other 71 A or B O Deck A or B control A B 72 REC BEAT CANCEL O REC beat cancel On Off 73 TAPE MUTE O Muting control of deck line output On Off 74 78 No used 79 SP SW OT O Spea...

Page 7: ...SW2 SW3 SW4 SW5 SW6 SW7 SW8 Pin 19 K1 Power Input EX Bass Display Demo Menu Select Enter Pin 20 K2 Band Tuning Mode Tape Rec A B Play Stop FF REW Pin 21 K3 CD Play Pause Stop Disc Skip Disc 3 Disc2 Disc 1 Open Close W g W g W g Y g g g g g g g g g g g g f 6K e eI e e N L f 1 f f 5 e J H eO e 0M e h h h h h h g O2 6Kf MI e J YeV Le 7 H e N 1e g e g e 3 L e J e N XeW e KO e I4 0Y 5e J He W 5 e W Y e...

Page 8: ... e I4 0Y 5e J He W 5 e W Y e O Yf O2 0Y f 0M g e e W g W g W g Y g g g g g g g g g g g g f W2 6Xf W MI X e 7 HeN 1 e J 5 e 3 Le 7 H e N 1e g e g e g e g e g e g e 3 L e J 5e N 1 e 7 He 3 LeJ 5 e V KO Y e V4 0Yf e e O2 6X f W2 Xf 7 M I 1f Ye N f J 5f W Yf W g Xf I X e N 1 e e e 5 e 6X eJ H e 3 K O f V4 0M f W2 6Xf W MI X e 7 HeN 1 e J 5 e 3 Le 7 H e N 1e g e g e g e g e g e g e 3 L e J 5e N 1 e 7 H...

Page 9: ... L e J e N XeW e KO e I4 0Y 5e J He W 5 e W Y e O Yf O2 0Y f 0M g O2 6Kf MI e J YeV Le 7 H e N 1e g e g e 3 L e J e N XeW e KO e I4 0Y 5e J He W 5 e W Y e O Yf O2 0Y f 0M g e e W g W g W g Y g g g g g g g g g g g g f W2 6Xf W MI X e 7 HeN 1 e J 5 e 3 Le 7 H e N 1e g e g e g e g e g e g e 3 L e J 5e N 1 e 7 He 3 LeJ 5 e V KO Y e V4 0Yf e e O2 6X f W2 Xf 7 M I 1f Ye N f J 5f W Yf W g Xf I X e N 1 e ...

Page 10: ... f J 5f W Yf W g Xf I X e N 1 e e e 5 e 6X eJ H e 3 K O f V4 0M f W2 6Xf W MI X e 7 HeN 1 e J 5 e 3 Le 7 H e N 1e g e g e g e g e g e g e 3 L e J 5e N 1 e 7 He 3 LeJ 5 e V KO Y e V4 0Yf W f W f W f W f W Y f W Y f W Ye f W Y e f 7 Yf f e e f f f f f e e e e O2 6X f Xf J MeI 1f Y e N f f f J 5f 7 Hf J 5 f 7 Y f J Yg W Y g W Yh W Y fO e W Ye 0Y e W2 e W e Mg e J 5e 7 He J 5 e 7 H e J 5f 7 Hf J 5 f 7...

Page 11: ... g e g e g e g e 3 L e J 5e N 1 e 7 He 3 LeJ 5 e V KO Y e V4 0Yf W f W f W f W f W Y f W Y f W Ye f W Y e f 7 Yf f e e f f f f f e e e e O2 6X f Xf J MeI 1f Y e N f f f J 5f 7 Hf J 5 f 7 Y f J Yg W Y g W Yh W Y fO e W Ye 0Y e W2 e W e Mg e J 5e 7 He J 5 e 7 H e J 5f 7 Hf J 5 f 7 H f g J 5g 7 Hg g g 6K e eI e e N L f 1 f f 5 e J H eO e 0M e h h h h h h g he L g J e 1 g 7Y e Lg e 1gJ5 e 3 L f7H e N ...

Page 12: ... e J 5 e 3 Le 7 H e N 1e g e g e g e g e g e g e 3 L e J 5e N 1 e 7 He 3 LeJ 5 e V KO Y e V4 0Yf W f W f W f W f W Y f W Y f W Ye f W Y e f 7 Yf f e e f f f f f e e e e O2 6X f Xf J MeI 1f Y e N f f f J 5f 7 Hf J 5 f 7 Y f J Yg W Y g W Yh W Y fO e W Ye 0Y e W2 e W e Mg e J 5e 7 He J 5 e 7 H e J 5f 7 Hf J 5 f 7 H f g J 5g 7 Hg g g 6K e eI e e N L f 1 f f 5 e J H eO e 0M e h h h h h h g he L g J e 1...

Page 13: ...G S D G 1 8 1 8 1 10 1 8 1 6 100 1 30 31 50 1 12 16 30 15 1 13 24 51 80 81 VIDEO PHONES AUX OUT AUX IN SPEAKERS H P PCB MAIN PCB VIDEO PCB AC SELE PCB LINE FUSE PCB Refer to the schematic diagram for the value of resistors and capacitors PC BOARD Component side view 13 14 w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3...

Page 14: ...15 14 2 CD DECODER PCB Refer to the schematic diagram for the value of resistors and capacitors PC BOARD Component side view 15 16 w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 ...

Page 15: ...02 JK101 ANY JACK 4P Q101 AM IFT AM FM MPX SYSTEM IC Q102 CN101 AM ANT COIL MW OSC COIL D104 D103 IF AMP D105 SVC348S TL D103 MTZJ5 6B D101 102 104 Q105 2SK544F T Q103 104 2SK2541 Q102 2SJ460 Q101 2SC1675 L IC103 LC72131D IC102 LA1833L D105 D108 D107 Q105 107 108 1SS133 CN401 MAIN 3 4 SIGNAL LINE B LINE PLL 1 0V 0 3V MW999KHz 4 4V FM98MHz 4 2V 0V 5 8V 11 3V 5 1V 5 3V 2 4V MW999KHz 4 3V FM98M 4 1V ...

Page 16: ...C20 0 22 C18 10K R23 10P 4 7u50 C17 4 7K R19 0 022 C11 47u16 C16 C14 4 7u50 C03B 0 01 C13 0 015 C12 0 047 100u10 C10 C08 100u10 10 R18 1000P C09 47 R17 100u50 220u16 C06 C07 0 1 C04 0 01 C05 100u10 C03 0 1 C01 C02B 0 1 10uH L03 3 4 4 3 22K R04A 0 1 C27B 0 1 C27A 10 R25A 10 R25B 10 R26A 0 1 C26A C26B R26B 0 1 10 19 18 20 17 5 6 1 R49 0 047 C31A 680 R31A R54 C54 0 033 1 2K 0 01 C89 R55 3 9K C56 0 1 ...

Page 17: ... 2 C50 100u10 R64 75 100u10 2 2 1 4W R53 L26 L27 1K R70 1K R65 1K R66 330P C53 1K R67 1K R71 470 R81 1K R72 10P C61 R85 100 C63 10P R84 560 L30 470u16 C64 R86 68 L29 22uH R63 2 2 6 8K R99 0 022 C65 100u10 C32 C69 0 01 R87 6 8K 1u50 C66 100P C448 0 1 C83 C02 47P C25A 47P C23B 47P C18A 10P C93 0 022 47u16 C93A R90 1 5K 20P C75 30P TC73 XTL03 54MHz 2 8 4 6 5 3 80 77 78 79 77 78 79 80 82 81 83 84 81 8...

Page 18: ...O OUT B SOL NC REC SW FWD REC SW RVS NC H L 470 R711 1K C734 0 022 10 1 2W R710 R210A 560 R222 150K 0 47u50 C255 1 4W 150K R221 R238 47K 47K R239 560 R211A 22u16 C239 R243 47K 47K R284 47K R248 0 015 L IN 4 GND HIT MST VCC 7 8 L OUT 5 6 R OUT R IN GND 1 2 3 C416 4 7u50 4 7u50 4 7u50 C415 C417 4 7u50 ECHO 470 C437 100u16 100u16 C432 7 R430 R420 47K R422 1K C430 100P 6 4 5 8 C436 100P R424 10K R421 ...

Page 19: ...0 022 C732 Q704 R704 1 2W R706 1 2W 0 022 C702 0 022 C703 0 01 C708 0 01 C709 B B B B B B B B B B B B B B 1 4W R453 470 B B B B B B B B B B B B B B B B B B B 1 4W B B B B B B B B B B B B B B B B B B B B B Q705 B 5 2 1 6 4 3 2 3 4 5 6 1 100u10 C736 100u10 C737 B B 6 P7 1 3 2 4 5 P1 7 P4 P3 P2 P8 P6 4 5 6 1 2 3 0 1u50 C248 5V 0 1 C528 G3 470 R714 0 1 C525 R460 1K 1u50 C460 100P C529 C530 100P 10K R5...

Page 20: ...43 2 2K 330 R348 1 4W 47 0 022 C346 R316 330 C310 0 47u50 C318 C319 C320 C330 1u50 2 2K R330 0 01 C316 4 7K R318 1 4W R349 1 3 2 47K R341 1 1 2 3 1 2 3 47K R302 A 0 1 C329 1u50 C345 VR10K A VR301 C332 0 47u50 R332 27K 100K R331 VR302 VR10K B 56K R347 1 4W R366 220u10 C357 2 2u50 C358 10K 5600P R307 470uH L801 1 5K 1 4W R369 2200P C359 2200P C360 B 12V B B 12V 5V 5V B 5V 12V 5V 12V 12V 12V B B 5G 6...

Page 21: ...H e 3 L e J 5 e V K O Y e V 4 0 Y f e e O 2 6 X f W 2 X f 7 M I 1 f Y e N f J 5 f W Y f W g X f I X e N 1 e e e 5 e 6 X e J H e 3 K O f V 4 0 M f W 2 6 X f W M I X e 7 H e N 1 e J 5 e 3 L e 7 H e N 1 e g e g e g e g e g e g e 3 L e J 5 e N 1 e 7 H e 3 L e J 5 e V K O Y e V 4 0 Y f W f W f W f W f W Y f W Y f W Y e f W Y e f 7 Y f f e e f f f f f e e e e O 2 6 X f X f J M e I 1 f Y e N f f f J 5 f ...

Page 22: ... 0 Y f 0 M g O 2 6 K f M I e J Y e V L e 7 H e N 1 e g e g e 3 L e J e N X e W e K O e I 4 0 Y 5 e J H e W 5 e W Y e O Y f O 2 0 Y f 0 M g e e W g W g W g Y g g g g g g g g g g g g f W 2 6 X f W M I X e 7 H e N 1 e J 5 e 3 L e 7 H e N 1 e g e g e g e g e g e g e 3 L e J 5 e N 1 e 7 H e 3 L e J 5 e V K O Y e V 4 0 Y f e e O 2 6 X f W 2 X f 7 M I 1 f Y e N f J 5 f W Y f W g X f I X e N 1 e e e 5 e 6...

Page 23: ... 642 1F J42 0330 08 CORD STOPPER 4580000021 644 2F J02 1458 08 FOOT REAR 100507994V 645 2D 2E J19 6047 08 EJECT HOLDER ASSY 0K01B7988B 646 2D 2E J19 6048 08 EJECT LEVER 2A16E79880 650 1E K29 7641 08 DISC BUT BASE ASSY 003107994S 651 1E K29 7642 08 EX BASS BUT ASSY 003207994S 652 2E K29 7643 08 TUNING BUT ASSY003307994S 653 1E K29 7646 08 OPE CLOSE BUT 100907994S 654 2E K29 7648 08 PLAY PAUSE BUT 1...

Page 24: ...4KW1C100M ELECTRO 10UF 16WV C48A CE04KW1C470M ELECTRO 47UF 16WV C48B CE04KW1C471M ELECTRO 470UF 16WV C49 50 CE04KW1A101M ELECTRO 100UF 10WV C49A CE04KW1C471M ELECTRO 470UF 16WV C51 CK45FB1H104Z CERAMIC 0 10UF Z C51A C91 0745 05 CERAMIC 100PF K C52 CE04KW1A101M ELECTRO 100UF 10WV C53 C91 0751 05 CERAMIC 330PF K C54 CQ92FM1H333J MYLAR 0 033UF J C55 CK45FB1H104Z CERAMIC 0 10UF Z C55A C91 0749 05 CERA...

Page 25: ...3FMG1H104J MYLAR 0 10UF J C132 C91 0765 05 CERAMIC 4700PF J C133 CK45FB1H104Z CERAMIC 0 10UF Z C134 CE04KW1H100M ELECTRO 10UF 50WV C135 CK45FB1H104Z CERAMIC 0 10UF Z C136 C91 0756 05 CERAMIC 820PF K C137 CK45FB1H473Z CERAMIC 0 047UF Z C138 CE04KW1C220M ELECTRO 22UF 16WV C139 C91 0745 05 CERAMIC 100PF K C140 CE04KW1H3R3M ELECTRO 3 3UF 50WV C141 C91 0085 05 CERAMIC 0 022UF N C142 CE04KW1C101M ELECTR...

Page 26: ...CN602 E40 8456 08 11P BASE 4491100307 C425 CQ92FM1H223J MYLAR 0 022UF J C426 CQ92FM1H183J MYLAR 0 018UF J C427 428 CQ92FM1H152J MYLAR 1500PF J C429 C91 0749 05 CERAMIC 220PF K C430 433 C91 0745 05 CERAMIC 100PF K C434 435 CE04KW1H010M ELECTRO 1 0UF 50WV C436 437 CE04KW1C101M ELECTRO 100UF 16WV C438 CE04KW1H4R7M ELECTRO 4 7UF 50WV C439 C91 0745 05 CERAMIC 100PF K C440 CE04KW1C101M ELECTRO 100UF 16W...

Page 27: ...943 08 H P JACK 4500700419 TP1 2 E40 8111 08 40P PIN HEADER 4494000297 F701 703 F05 3121 05 FUSE T3 15AL250V 5267315L62 F702 F05 1623 05 FUSE T1 6AL250V 5267160L62 F701 702 J13 0089 08 FUSE HOLDER 4692000034 F703 J13 0089 08 FUSE HOLDER CF101 L72 0586 08 CERAMIC FILTER 4160220044 CF102 L72 0591 08 CERAMIC FILTER 4160200003 CF103 L72 0587 08 CERAMIC FILTER 4160500089 CF104 L78 0706 08 CERAMIC FILTE...

Page 28: ...40 08 DUMPER RED 47 1C D40 1665 08 CD MECHANISM DA11 C486040443 IC01 LA9241 IC 4152092410 IC02 LC78630E IC SERVO DSP CD ROM 30E IC03 LC867232A 5L82 IC 415286240Z IC04 BA5936S IC BTL DRIVER IC05 NJM4558L IC OP AMP X2 IC06 BA033T FP IC 4159033TFP IC07 LC74772V SS0P24 IC 415274772V IC08 LC74202E IC 415274202E IC09 TC7WH04FU IC 41537WH04F IC10 LC32V4265T IC 4152324265 IC102 LA1833L IC IC103 LC72131D I...

Page 29: ...EAR B SCREW AL N09 5101 08 SCREW TAPTITE CUP2010 2X10 S01 S02 1B S64 0028 05 LEVER SWITCH S03 S04 1A S64 0043 08 SWITCH MSS 813 LM 2B T42 0944 08 MOTOR PULLEY ASSY RTM 2B T42 0945 08 MOTOR PULLEY ASSY 441 2F D16 0735 08 BELT B MECHA SMALL 442 2F D16 0736 08 BELT A MECHA SMALL 443 2F D16 0737 08 BELT B MECHA LARGE 444 2F D16 0738 08 BELT A MECHA LARGE T03 0505 08 TWEETER UNIT T10 1006 08 W00FER UNI...

Page 30: ...peration under differing local conditions This manual is based on Europe E standard and provides information on regional circuit modification through use of alter nate schematic diagrams and information on regional component variations through use of parts list Amplifier section Effective output power during STEREO operation 1 kHz 10 T H D 6 Ω 43 W 43 W Rated output power during STEREO operation 1...

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