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1、SR4320 Part no. 19AW855012 2nd Issue 2003.12 ecm Printed in Japan Please use this service manual with referring to the user guide ( D.F.U. ) without fail. Service Manual Printed on 100% Recycled Paper SR4320SR4320 SPEAKERS DISPLAY OFF STANDBY PHONESPOWER ON/OFF JOG MODEMUTESLEEPSPEAKERSS-DIRECT B A
2、CLEARF/PMODETUNING/PRESETMEMORY TUNERCDTAPEPHONODVDVCRDSSCDR/MD DOWN VOLUME UP RECEIVER SR4320 MULTI - JOG Receiver SR4320 /A1B/N1B/U1B /N1G TABLE OF CONTENTS SECTION PAGE 1. TECHNICAL SPECIFICATIONS. 1 2. WIRING DIAGRAM. 3 3. BLOCK DIAGRAM. 5 4. SCHEMATIC DIAGRAM . 7 5. PARTS LOCATION . 11 6. IC DA
3、TA. 21 7. EXPLODED VIEW AND PARTS LIST . 25 8. SERVICE PROCEDURE. 29 9. ELECTRICAL PARTS LIST . 30 2nd EDITION The model no.SR4320/N1B/N1G was added in this service manual. RadioFans.CN 收音机爱 好者资料库 MARANTZ DESIGN AND SERVICE Using superior design and selected high grade components, MARANTZ company ha
4、s created the ultimate in stereo sound. Only original MARANTZ parts can insure that your MARANTZ product will continue to perform to the specifi cations for which it is famous. Parts for your MARANTZ equipment are generally available to our National Marantz Subsidiary or Agent. ORDERING PARTS : Part
5、s can be ordered either by mail or by Fax. In both cases, the correct part number has to be specifi ed. The following information must be supplied to eliminate delays in processing your order : 1. Complete address 2. Complete part numbers and quantities required 3. Description of parts 4. Model numb
6、er for which part is required 5. Way of shipment 6. Signature : any order form or Fax. must be signed, otherwise such part order will be considered as null and void. SHOCK, FIRE HAZARD SERVICE TEST : CAUTION : After servicing this appliance and prior to returning to customer, measure the resistance
7、between either primary AC cord connector pins ( with unit NOT connected to AC mains and its Power switch ON ), and the face or Front Panel of product and controls and chassis bottom. Any resistance measurement less than 1 Megohms should cause unit to be repaired or corrected before AC power is appli
8、ed, and verifi ed before it is return to the user/customer. Ref. UL Standard No. 1492. In case of diffi culties, do not hesitate to contact the Technical Department at above mentioned address. 030307MIT SUPERSCOPE TECHNOLOGIES, INC. USA MARANTZ AMERICA, INC 1100 MAPLEWOOD DRIVE ITASCA, IL. 60143 USA
9、 PHONE : 630 - 741 - 0300 FAX : 630 - 741 - 0301 JAPANTechnical MARANTZ JAPAN, INC. 35- 1, 7- CHOME, SAGAMIONO SAGAMIHARA - SHI, KANAGAWA JAPAN 228-8505 PHONE : +81 42 748 1013 FAX : +81 42 741 9190 EUROPE / TRADING MARANTZ EUROPE B.V. P. O. BOX 8744, BUILDING SILVERPOINT BEEMDSTRAAT 11, 5653 MA EIN
10、DHOVEN THE NETHERLANDS PHONE : +31 - 40 - 2507844 FAX : +31 - 40 - 2507860 AUSTRALIA QualiFi Pty Ltd, 24 LIONEL ROAD, MT. WAVERLEY VIC 3149 AUSTRALIA PHONE : +61 - (0)3 - 9543 - 1522 FAX : +61 - (0)3 - 9543 - 3677 NEW ZEALAND WILDASH AUDIO SYSTEMS NZ 14 MALVERN ROAD MT ALBERT AUCKLAND NEW ZEALAND PH
11、ONE : +64 - 9 - 8451958 FAX : +64 - 9 - 8463554 THAILAND MRZ STANDARD CO., LTD 746 - 754 MAHACHAI ROAD., WANGBURAPAPIROM, PHRANAKORN, BANGKOK, 10200 THAILAND PHONE : +66 - 2 - 222 9181 FAX : +66 - 2 - 224 6795 TAIWAN PAI- YUING CO., LTD. 6 TH FL NO, 148 SUNG KIANG ROAD, TAIPEI, 10429, TAIWAN R.O.C.
12、PHONE : +886 - 2 - 25221304 FAX : +886 - 2 - 25630415 MALAYSIA WO KEE HONG ELECTRONICS SDN. BHD. 2ND FLOOR BANGUNAN INFINITE CENTRE LOT 1, JALAN 13/6, 46200 PETALING JAYA SELANGOR DARUL EHSAN, MALAYSIA PHONE : +60 - 3 - 7954 8088 FAX : +60 - 3 - 7954 7088 AMERICAS MARANTZ PROFESSIONAL PRODUCTS 2640
13、WHITE OAK CIRCLE, SUITE A AURORA, ILLINOIS 60504 USA PHONE : 630 - 820 - 4800 FAX : 630 - 820 - 8103 KOREA MK ENTERPRISES LTD. ROOM 604/605, ELECTRO-OFFICETEL, 16-58, 3GA, HANGANG-RO, YONGSAN-KU, SEOUL KOREA PHONE : +822 - 3232 - 155 FAX : +822 - 3232 - 154 SINGAPORE WO KEE HONG DISTRIBUTION PTE LTD
14、 130 JOO SENG ROAD #03-02 OLIVINE BUILDING SINGAPORE 368357 PHONE : +65 6858 5535 / +65 6381 8621 FAX : +65 6858 6078 HONG KONG Jolly ProAudio Broadcast Engineering Ltd. UNIT 2, 10F, WAH HUNG CENTRE, 41 HUNG TO ROAD, KWUN TONG, KLN., HONG KONG PHONE : 852 - 21913660 FAX : 852 - 21913990 CANADA LENBR
15、OOK INDUSTRIES LIMITED 633 GRANITE COURT, PICKERING, ONTARIO L1W 3K1 CANADA PHONE : 905 - 831 - 6333 FAX : 905 - 831 - 6936 TECHNICAL AUDIO GROUP PTY, LTD 43-53 Bridge Rd., STANMORE NSW 2048 AUSTRALIA PHONE : +61 - (0)2 - 9519 - 0900 FAX : +61 - (0)2 - 9519 - 0600 AUSTRALIA RadioFans.CN 收音机爱 好者资料库 1
16、 1. TECHNICAL SPECIFICATIONS FM Tuner Section Frequency Range.87.5 - 108.0 MHz Usable Sensitivity.IHF 2.0 V/17.3 dBf Signal to Noise Ratio.Mono/Stereo 70/65 dB Distortion.Mono/Stereo 0.2/0.3% Stereo Separation.1 kHz 40 dB A.C.S. 400 kHz 50 dB Image Rejection.98.1 MHz 70 dB Tuner Output Level .1 kHz,
17、 75 kHz Dev 500 mV AM Tuner Section Frequency Range. 531 - 1602 kHz /A/N .520 - 1710 kHz /U Usable Sensitivity. Loop 400 V Signal to Noise Ratio. 50 dB Distortion1 kHz, 30% Mod. 1.0% Selectivity . 10 kHz 40 dB Audio Section Rated Power.40 Hz - 20 kHz 8 W 80 W/Ch .40 Hz - 20 kHz 6 W 100 W/Ch THD.40 H
18、z - 20 kHz 8 W 0.08% Input Sensitivity/Impedance Linear.200 mV/47 kW Signal to Noise Ratio (IHF A) Linear. 95 dB Others Power Supply. AC 230 V 50 Hz /A/N .AC 120 V 60 Hz /U Power Consumption . 250 W /A/N .2.3 A /U Dimensions (MAX) Width . 440 mm (17-5/16 in) Height. 164 mm (6-7/16 in) Depth. 365 mm
19、(14-3/8 in) Weight .8.4 kg (18.5 lbs) Accessories Remote Control Unit RC4320SR . 1 FM Feeder Antenna . 1 AM Loop Antenna . 1 AC Power Cord /A/N.1 AAA-Size Batteries.2 Warranty Card/N/U.1 User Guide .1 RadioFans.CN 收音机爱 好者资料库 2 Personal notes: 34 3. WIRING DIAGRAM /A/N ONLY /A/N ONLY 65 4. BLOCK DIAG
20、RAM /A/N ONLY /A/N ONLY /U ONLY /U ONLY 78 5. SCHEMATIC DIAGRAM /A/N ONLY 109 /A/N ONLY /U ONLY /U ONLY 1112 VIDEO IC71 VIDEO Q702 Q701 5. PARTS LOCATION H/P POWER SW POWER-1 POWER-2 Q101 VOL 1413 MAIN Q395Q391 Q932 IC42IC41 Q319 Q321 Q317 Q313 Q309 Q311 Q301 Q307 Q305 Q303 Q302 Q384 - Q381 Q320 Q32
21、2 Q314 Q318 Q310Q312 Q308 Q306 Q304Q205 Q201 Q202Q393 Q323Q315Q325Q327Q324Q316Q326Q328Q304 1516 MAIN IC21IC22IC23 IC24 IC26IC25 1817 FRONT Q904 Q912 Q911 Q907 Q906 Q905 Q910 - Q908Q914 Q913 Q903 Q902 Q901Q916 1920 FRONT IC91IC93 2221 IC22:TC9164AF 6. IC DATA Pin Assignment Pin Function LEVEL SHIFTER
22、 2 1 2 3 4 1 5 6 2 7 8 3 1 2 3 4 1 5 6 2 7 8 3 1 3 4 5 6 7 8 9 10 1428 11 12 13 27 26 25 24 23 22 21 20 19 18 17 16 15 LATCH CIRCUIT SHIFT REGISTER LEVEL SHIFTER LATCH CIRCUIT L-SR-S VssGNDVDD L-S L-S L-S L-COM L-S L-S L-COM L-S L-S L-COM ST R-S R-S R-S R-COM R-S R-S R-COM R-S R-S R-COM DATA CK LEVE
23、L SHIFTER 2 1 2 3 1 4 5 6 2 7 8 3 1 2 3 1 4 5 6 2 7 8 3 1 3 4 5 6 7 8 9 10 1428 11 12 13 27 26 25 24 23 22 21 20 19 18 17 16 15 LATCH CIRCUIT SHIFT REGISTER LEVEL SHIFTER LATCH CIRCUIT L-S R-S VssGNDVDD L-S L-S L-COM L-S L-S L-S L-COM L-S L-S L-COM ST R-S R-S R-COM R-S R-S R-S R-COM R-S R-S R-COM DA
24、TA CK PIN No.SYMBOLI/ODESCRIPTIONPIN No.SYMBOLI/ODESCRIPTION 1OUT4O 2OUT3OPort Output 3OUT2O 4OUT1O 5AVDD - Analog Positive Power Suppoy Port(+6.8V) 7GNDS - 10GNDC - Connect to analog GND 12GNDR - 14GNDL - 6SW INI 8SR INIVolume Input Port 9SL INI 11C INI 36SW OUTO 35SR OUTOVolume Output Port 34SL OU
25、TO 33C OUTO 13R INITone Input Port 15L INI 16BYPASS RIL,R Volume Input Port(in Bypass Mode) 17BYPASS LI 31L OUTOL Output Port 32R OUTOR Output Port 18LTRE - Tone Treble Cycle Control Port 25RTRE - 19LBASS3 - 24RBASS3 - 20LBASS2 - Tone Bass Cycle Control Port 23RBASS2 - 21LBASS1 - 26RBASS1 - 22CR2OTo
26、ne Output Port 28CL2O 27CR1IL,R Volume Input Port 29CL1I 31LOUTOL Output Port 32ROUTOR Output Port 30AVSS - Analog Negative Power Suppoy Port(-6.8V) 37AGND - Analog GND 38DGND - Digital GND 39LATCHILatch Input Port 40DATAIData Input Port 41CLKIClock Input Port 42DVDD - Digital Power Supply Port(+5V)
27、 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 OUT4 volume MCU I/F OUTPUT PORT OUT3 OUT2 OUT1 AVDD SWin GNDS SRin SLin GNDC Cin GNDR Rin GNDL Lin BYPASSR BYPASSL LTRE LBASS3 LBASS2 LBASS1 C inCout SWout SLout SRout Lout LATCH DATA CLK -com interface Rout SW in SL in SR in BYPASS1 BYPASS2 L i
28、n R in DVDD CLK DATA LATCH DGND AGND SWout SRout SLout Cout Rout Lout AVss CL1 CL2 CR1 CR2 RTRE RBASS3 RBASS2 RBASS1 34 35 36 37 38 39 40 41 42 33 32 31 30 29 28 27 26 25 24 23 22 volume volume volume tonetone volume volume volume volume tone SAA6579 0.1 F ANTI- ALIASING FILTER 57 kHz BANDPASS (8th
29、ORDER) RECONSTRUCTION FILTER OSCILLATOR AND DIVIDER CLOCKED COMPARATOR COSTAS LOOP VARIABLE AND FIXED DIVIDER CLOCK REGENERATION AND SYNC BIPHASE SYMBOL DECODER DIFFERENTIAL DECODER TEST LOGIC AND OUTPUT SELECTOR SWITCH REFERENCE VOLTAGE 2.2 F 4 7 8 5 3 6 VDDA Vref VP1 1314 QUAL RDDA RDCL T57 QUALIT
30、Y BIT GENERATOR 1 2 15 16 11 12 2.2 k 82 pF47 pF 4.332/8.664 MHz MPX signal 330 pF 910 MODETEST 560 pF MEH162 VSSD V DDD +5 V +5 V OSCOOSCI MUX SCOUT CIN 0.1 F VSSA Via pin MODE two different crystal frequencies can be used. MODECRYSTAL CLOCK LOW4.332 MHz HIGH8.664 MHz SYMBOLPINDESCRIPTION QUAL1qual
31、ity indication output RDDA2RDS data output Vref3reference voltage output (0.5VDDA) MUX4multiplex signal input VDDA5+5 V supply voltage for analog part VSSA6ground for analog part (0 V) CIN7subcarrier input to comparator SCOUT8subcarrier output of reconstruction lter MODE9oscillator mode/test control i
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