Kenwood AR-304 Service Manual Download | Manualshive

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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 L5T 1S8

KENWOOD ELECTRONICS LATIN AMERICA S.A.

P.O BOX 55-2791, Piso 6 plaza Chase, Cl. 47 y Aquilino de la Guardia Panama, Republic de Panama

KENWOOD ELECTRONICS BRASIL LTDA.

Av. Moema, 170-17˚, Andar-Cobertura “B”, Ed. Maximum Service Center, 04077-020
Moema, São Paulo-SP-Brasil

KENWOOD ELECTRONICS U.K. LIMITED

KENWOOD House, Dwight Road, Watford, Herts., WD1 8EB., United Kingdom

KENWOOD ELECTRONICS BELGUM N.V.

Meachelsesteenweg 418, B-1930 Zaventem, Belgium

KENWOOD ELECTRONICS DEUTSCHLAND GMBH

Rembrücker Str. 15, 63150 Heusenstamm, Germany

KENWOOD ELECTRONICS FRANCE S.A.

13 Boulevard Ney, 75018 Paris, France

KENWOOD ELECTRONICS ITALIA S.p.A.

Via G. Sirtori, 7/9 20129, Milano, ltaly

KENWOOD IBÉRICA S.A.

Bolivia, 239-08020 Barcelona, Spain

KENWOOD ELECTRONICS AUSTRALIA PTY. LTD.

(A.C.N. 001499 074)
P.O Box 504, 8 Figtree Drive, Australia Centre, Homebush, N.S.W. 2140, Australia

KENWOOD & LEE ELECTRONICS, LTD.

Unit 3712-3724, Level 37, Tower 1, Metroplaza, 223 Hing Fong Road, Kwai Fong N.T., Hong Kong

KENWOOD ELECTRONICS GULF FZE

P.O.Box 61318, Jebel Ali, Dubai, U.A.E.

KENWOOD ELECTRONICS SINGAPORE PTE LTD.

No. 1 Genting Lane #02-02, KENWOOD Building, Singapore, 349544

KENWOOD ELECTRONICS (MALAYSIA) SDN BHD.

#4.01 Level 4, Wisma Academy Lot 4A, Jalan 19/1 46300 Petaling Jaya Selangor Darul Ehsan
Malaysia

KENWOOD ELECTRONICS (THAILAND) CO., LTD.

2019 New Pechburi Road, Bangkapi, Huaykwang, Bangkok, 10320 Thailand

AR-304/KRF-A4020

Note:
Component and circuit are subject to modification to insure best oper-
ation under differing local conditions. This manual is based on Gener-
al market(M) standard, and provides information on regional circuit
modification through use of alternate schematic diagrams, and infor-
mation on regional component variations through use of parts list.

www. xiaoyu163. com

QQ 376315150

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TEL 13942296513

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TEL 13942296513 QQ 376315150 892498299

TEL 13942296513 QQ 376315150 892498299

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Summary of Contents for AR-304

Page 1: ...inal board E70 0080 05 Lock terminal board E70 0068 05 Phono jack E63 0068 15 Phono jack E63 1016 05 Slide switch S62 0034 05 Miniature phone jack E11 0347 05 Knob K29 7365 12 Knob K29 7365 12 Knob K29 7307 14 Front glass B10 3475 02 Power cord bushing J42 0083 05 Knob K29 7310 03 Knob K27 2185 04 Foot J02 1167 03 KENWOOD badge B43 0302 04 Indicator B12 0334 14 Phone jack 3P E11 0295 05 Metallic c...

Page 2: ... the Microcomputer If the microcomputer may malfunction unit cannot be operated or shows an erroneous display if the power cord is unplugged while the power is ON or due to some other external factor If this happens execute the following procedure to reset the micro computer and return the unit to its normal operating condition Unplug the power cord from the wall outlet then plug it back in while ...

Page 3: ...tialized 3 During the test mode it can be operated in a special manner that is different from an ordinary operation by using the keys on the remote control or the main body specifically as shown in the following table 3 5 CONTENTS 4 Channel space will be no changed in the test mode 3 5 CONTENTS 3 5 1 TUNER FUNCTION WITH THE SELECTOR ON TUNER E T Q TYPE ONLY DESTINA TION TUNER TYPE BAND RECEIVING F...

Page 4: ...N REMOCON CXP82840 163Q E T Q TYPE ONLY CXP82832 162Q OTHERS Receiver µ X09 IC54 RDS IC X05 IC2 TUNER SAA6579 R PHILIPS E T Q TYPE ONLY E T Q TYPE ONLY LC72131 X09 IC2 VOLUME IC M62492FP X24C02 XICOR KEY MATRIX KR0 12 KR1 13 KR2 14 KS0 81 BASS BOOST S DIRECT BAND KS1 80 SPEAKER B DIMMER PTY P CALL UP DISPLAY KS2 79 SPEAKER A POWER P CALL DOWN TA NEWS KS3 78 KS4 77 DSW3 507 KS5 76 DSW2 D505 DSW1 D5...

Page 5: ... Analog ground 38 RESET I u Com reset 39 EXTAL I Main clock 8MHZ 40 XTAL Main clock 8MHZ 41 VSS u Com ground 42 TX Unused 43 TEX I Ground 44 VDD Analog power supply 5V 45 VFDP FL power supply 33V 46 SEL STB O TC9164AF strove H LATCH 47 SEL PLL DT O Selector PLL IC data signal output 48 SEL PLL CK O Selector PLL IC clock signal output 49 PLL CE O PLL IC CE signal output 50 T MUTE O Tuner mute contr...

Page 6: ...ANT input B MONO 98 0MHz L5 TUNER UNIT Minimum distortion a 4 1 IDLE CURRENT Volume 0 11 mV VR1 L VR2 R Connect a DC Volumeter across CN11 L CN12 R TUNING LEVEL A 98 0MHz MONO 1kHz 40kHz dev 25dBf ANT input B MONO 98 0MHz VR1 TUNER UNIT Adjust VR1 and stop at the point where ED51 TUNED goes on a b FM SECTION EXCEPT E T Q type SELECTOR FM FM SECTION E T Q type only SELECTOR FM Adjust NO 1 and NO 2 ...

Page 7: ...0 10 COUNTRY U S A UNIT No ABB K 0 10 KRF A4020W X09 6143 81 DESTINATION COUNTRY RUSSIA ABB Q 3 81 UNIT No KRF A4020 X09 614X XX GENERAL MARKET DESTINATION KRF A4020E X09 6142 70 DESTINATION EUROPE COUNTRY EUROPE AUSTRALIA U K COUNTRY 2 70 E UNIT No ABB E1 2 70 M T X 0 21 0 51 0 71 UNIT No ABB AR 304 X09 6310 10 DESTINATION COUNTRY U S A CANADA ABB K P 0 10 UNIT No KRF 4020W X09 6143 81 DESTINATIO...

Page 8: ...E B D7 D13 Q14 Q15 C88 R89 C87 R43 C6 C78 C75 C11 C39 C42 C52 C47 C50 C51 C43 C44 R55 R56 R53 R54 R57 R51 R52 R49 R42 R11 R1 R7 C76 R83 R88 D1 C84 C35 R32 W60 C8 C36 W85 C5 C1 C2 C3 C82 C12 C25 C26 C24 C41 C40 C30 C22 C18 C20 R14 R15 R16 R10 R4 R5 R8 R9 R6 R35 R23 R28 R25 R27 C31 C79 W51 W80 R85 C85 R86 R87 E B E B Q2 Q1 D11 C92 C93 C91 C89 C83 R29 R48 R34 R33 R84 R79 R47 W84 R45 R46 R31 R36 W62 R...

Page 9: ... B B E E B E B E B E B B E B E B E B E E B E B E E E B E B E B B E B E E B E E E B E B B B B B E B B E E B E E B B E B E E B B E E B E B B E C510 MONITOR 1 C112 1 C113 1 2 A SP B SP C518 C511 R548 R107 R550 R551 W21 MUTE W10 W9 W14 W13 BOOST BASS 1 C524 C528 C508 9 3 15 F5 F4 R547 R108 W5 R549 POWER POWER W17 W19 W18 R539 4 8 W16 L501 C515 1 4 W8 W7 ED51 R541 SOUND W50 W44 S DIRECT BALANCE R560 R5...

Page 10: ...C73 R1 R5 R6 220 0 01 C5 R11 C6 0 01 390 R9 1K R10 C82 0 01 C7 47u16 R81 C8 0 01 150 1W R80 22K 4 7u35 C32 R40 10K 1K R38 R39 1K L6 W82 8200P C70 L7 C71 8200P W83 820 R78 W56 3 5 4 6 R84 1K 1K 1K C78 C49 2 2K 4700P 4700P C24 R85 1M 1M R86 R87 1M 0 022 C85 0 022 C84 R88 56K 470P C86 IF OUT VCC OSC R18 150K 560K R14 10K 0 5P C16 33P 3 9K R12 10P C17 L7 C19 C21 R15 10K R17 680 2 2K 10P C22 C20 27P 1 ...

Page 11: ...MS3 U K EUROPE T E T U K DESTINATION COUNTRY ABB EUROPE E 2 71 DESTINATION COUNTRY ABB UNIT No 77 89 90 C8 35 R14 100 A YES C F 10 NO R8 B 22 R11 R27 4 3K 28 R15 15K R23 36 82 YES 27K R25 R29 R72 3 9K 32 NO 73 NO 79 80 82 YES C70 71 C30 0 022 31 180P C25 0 018 C26 27P C42 22P C43 W02 2584 LA1837 CF1 2 A1 IC1 CF3 NO W60 YES CN2 YES YES NO 82 83 W56 E1 S1 NO F10 1109 X1 L77 2187 MS3 L72 0536 C74 NO ...

Page 12: ...C FL AC 30V GND 5 6V 39P C2 39P C1 1K R1 1K R2 10u16 C3 10u16 C4 C6 47P C5 47P 27K R4 27K R3 100 R6 100 R5 3 2 8 1 6 4 5 7 R9 270K R11 22K C11 0 012 C13 3300P 47P C9 330P C31 47u16 C7 360 R7 C8 47u16 C10 47P R8 360 C12 0 012 C14 3300P R10 270K R12 22K 330P C32 4 7u35 C124 4 7u35 C123 47K R14 47K R13 100 R16 100 R15 3300P C16 3300P C15 100P C42 0 01 C41 3 3u50 C36 C40 100P R147 1K R146 1K R148 1K C...

Page 13: ...K NO 71 74 135 136 C1 2 17 26 31 32 R151 R114 152 4700u75 YES C96 97 C125 126 NO WH2 WH3 S2 3 L1 2 NO E03 0149 05 P1 T1 J8 GENERAL MARKET AUSTRALIA EUROPE U K E T X M 0 71 0 51 2 70 270 6 8K YES 15K YES NO 4700u63 YES W1 NO NO YES NO W3 4 167 168 NO YES W6 W65 88 169 170 YES NO NO YES W64 155 165 166 CN2 13 14 CN6 NO YES YES YES CN17 18 NO WH1 YES NO YES NO YES YES YES S1 NO YES L07 2569 05 L07 25...

Page 14: ...TINATION EUROPE NO 2 70 E1 YES NO NO PTY UNIT No ABB R503 504 A 556 583 W72 114 115 160 S505 DISPLAY RDS NEWS TA NO YES NO S511 S513 Q502 CXP82840 163Q IC51 D503 504 507 510 D505 CXP82840 163Q RUSSIA DESTINATION COUNTRY 556 583 R503 504 3 81 UNIT No Q ABB NO YES A NO W72 114 115 160 NO PTY RDS DISPLAY S505 S511 Q502 D504 507 510 YES NO TA NEWS D503 505 S513 NO IC51 1 16 15 33 34 35 11 7 6 35 1 W72...

Page 15: ...ONTROL AC110 120V AC220 240V AC110 120V AC220 240V X09 H 8 X09 614 631 A 8 S 2 S 3 A B C D E F G M4x8 ø3x14 HEX ø2 6x8 BLK ø3x6 BLK ø3x8 BLK ø3x8 ø3x23 N09 1966 05 N09 3139 05 N82 2608 45 N89 3006 45 N88 3008 45 N89 3008 46 N89 3023 46 SPEAKERS SYSTEM CONTROL A B PLAY IN REC OUT Fx2 Fx2 SL16 XS8 E E 756 703 755 756 707 756 732 757 756 756 606 602 601 617 650 605 613 612 636 611 639 628x2 628x2 623...

Page 16: ...QE1 B46 0330 03 WARRANTY CARD K B46 0336 03 WARRANTY CARD P B58 0945 03 CAUTION CARD T B58 0964 13 CAUTION CARD UL K B58 0965 13 CAUTION CARD T XtypePL TX B58 0966 13 CAUTION CARD ELMtypePL EM B58 0967 03 CAUTION CARD PtypePL P B58 1526 03 CAUTION CARD P4 ORI A4 1 Q Q B58 1607 03 CAUTION CARD E1 B60 4123 00 INSTRUCTION MANUAL EN KPMX B60 4124 00 INSTRUCTION MANUAL FR P B60 4125 00 INSTRUCTION MANU...

Page 17: ... AM IFT L4 L30 0950 05 FM IFT ETQE1 L5 L30 0951 05 FM IFT ETQE1 L6 7 L79 1239 05 LC FILTER ETQE1 L9 L40 1001 82 SMALL FIXED INDUCTOR 10UH X1 L77 2187 05 CRYSTAL RESONATOR R1 RK73FB2A101J CHIP R 100 J 1 10W R4 RK73FB2A681J CHIP R 680 J 1 10W R5 RK73FB2A332J CHIP R 3 3K J 1 10W R6 RK73FB2A221J CHIP R 220 J 1 10W R7 RK73FB2A821J CHIP R 820 J 1 10W R8 RK73FB2A100J CHIP R 10 J 1 10W ETQE1 R8 RK73FB2A33...

Page 18: ...SC4116 Y GR TRANSISTOR ETQE1 Q10 11 2SD1757K TRANSISTOR Q12 2SA1576A R S TRANSISTOR Q12 2SA1586 Y GR TRANSISTOR Q14 2SA1576A R S TRANSISTOR Q14 2SA1586 Y GR TRANSISTOR A1 W02 2584 05 FM FRONT END ASSY ETE1 A1 W02 2586 05 FM FRONT END ASSY Q A1 W02 2622 05 FM FRONT END ASSY KPMX C1 2 CC45FSL1H390J CERAMIC 39PF J ETQE1 C3 4 CE04KW1C100M ELECTRO 10UF 16WV C5 6 CC45FSL1H470J CERAMIC 47PF J C7 8 CE04KW...

Page 19: ...pe G Germany V China Shanghai Y AAFES Europe X Australia Q Russia H Korea M Other Areas indicates safety critical components C524 CK45FF1H103Z CERAMIC 0 010UF Z ETQE1 C525 CE04KW1H010M ELECTRO 1 0UF 50WV C526 C90 3214 05 ELECTRO 100UF 6 3WV C527 CC45FCH1H470J CERAMIC 47PF J ETQE1 C528 CC45FCH1H180J CERAMIC 18PF J ETQE1 C529 CC45FSL1H101J CERAMIC 100PF J KPMX C530 CC45FSL1H101J CERAMIC 100PF J Q C5...

Page 20: ...ina I Malaysia Y PX Far East Hawaii T Europe E Europe G Germany V China Shanghai Y AAFES Europe X Australia Q Russia H Korea M Other Areas indicates safety critical components D14 MTZJ2 7 B ZENER DIODE D14 RD2 7ES B2 ZENER DIODE D15 17 HSS104A DIODE D15 17 1SS133 DIODE D18 MTZJ5 6 B ZENER DIODE D18 RD5 6ES B2 ZENER DIODE D19 S1ZB20 4101 DIODE D20 21 MTZJ16 B ZENER DIODE D20 21 RD16ES B2 ZENER DIOD...

Page 21: ...7 2SC2785 F E TRANSISTOR Q38 2SC3940A TRANSISTOR Q39 2SD2525 TRANSISTOR Q40 41 2SC1740S Q R TRANSISTOR Q40 41 2SC2785 F E TRANSISTOR Q42 2SB1640 TRANSISTOR Q44 2SA1175 F E TRANSISTOR Q44 2SA933AS Q R TRANSISTOR Q45 2SC1740S Q R TRANSISTOR Q45 2SC2785 F E TRANSISTOR Q46 47 2SA1175 F E TRANSISTOR Q46 47 2SA933AS Q R TRANSISTOR Q501 2SC1740S Q R TRANSISTOR Q501 2SC2785 F E TRANSISTOR Q502 2SA1309A Q ...

Page 22: ...n at 8 Ω from 40 Hz to 20 kHz with no more than 0 5 total harmonic distortion FTC Total harmonic distortion 0 02 1 kHz 50W 8 Ω Signal to noise ratio IHF 66 PHONO MM 75 dB CD 92 dB Input sensitivity impedance PHONO MM 2 5 mV 27 kΩ CD 200 mV 47 kΩ Output level impedance TAPE REC 200 mV 2 2 kΩ PRE OUT SUBWOOFER 2 V 2 2 kΩ Tone control BASS 9 dB at 100 Hz TREBLE 9 dB at 10 kHz FM tuner section Tuning ...

Page 23: ...put Signal to noise ratio DIN weighted 1 kHz U K and Europe MONO 65 dB 40 kHz DEV S N 26 dB 65 2 dBf input STEREO 58 dB 46 kHz DEV S N 46 dB 65 2 dBf input Russia MONO 63 dB 40 kHz DEV S N 26 dB 65 2 dBf input STEREO 58 dB 46 kHz DEV S N 46 dB 65 2 dBf input Stereo separation DIN 1 kHz 36 dB Selectivity DIN 300 kHz 64 dB Frequency response 30 Hz 15kHz 0 5 dB 3 0 dB Notes 1 KENWOOD follows a policy...

Page 24: ...STRALIA PTY LTD A C N 001499 074 P O Box 504 8 Figtree Drive Australia Centre Homebush N S W 2140 Australia KENWOOD LEE ELECTRONICS LTD Unit3712 3724 Level37 Tower1 Metroplaza 223HingFongRoad KwaiFongN T HongKong KENWOOD ELECTRONICS GULF FZE P O Box 61318 Jebel Ali Dubai U A E KENWOOD ELECTRONICS SINGAPORE PTE LTD No 1 Genting Lane 02 02 KENWOOD Building Singapore 349544 KENWOOD ELECTRONICS MALAYS...

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