Marantz-SR-18-Service-Manual(1) 电路图 维修手册.pdf

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1、Printed in Japan AV Surround Receiver model SR-18 First Issue 1999.07 300J855010 MIT TABLE OF CONTENTS SECTIONPAGE 1. TECHNICAL SPECIFICATIONS . 1 2. WIRING DIAGRAM . 3 3. BLOCK DIAGRAM. 5 4. SCHEMATIC DIAGRAM. 7 5. PARTS LOCATION (Pattern Side) . 25 6. IC DATA . 45 7. EXPLODED VIEW AND PARTS LIST.

2、53 8. SERVICE PROGRAM . 57 9. ELECTRICAL ADJUSTMENTS . 59 10. ALIGNMENT PROCEDURES . 61 11. TROUBLE SHOOTING . 63 12. TECHNICAL DESCRIPTION FOR DECODER . 66 13. ELECTRICAL PARTS LIST . 68 Service Manual SR-18 U, K, KS Please use this service manual with referring to the user guide (D.F.U) without fa

3、il. R POWER/STANDBY PHONES A/DATT AUTODOLBY BANDFM MODE THXDTS MEMO HALL CL MATRIX D.COPY MOVIE TAPECOPY VCR1 ST/MONOS.DIRECT TONE CONTROL BASSTREBLE S2-VIDEOVIDEOLAUDIOR AUX INPUT INPUT SELECTOR AV SURROUND RECEIVER SR-18 dts CINEMA MUSIC 96 kHz TV LD DVD DOWNGYRO TUNINGUP VCR1DSS/VCR2AUX PRESETAUT

4、O TUNINGDISPLAY OFFMULTI DOWNUP VOLUME LCR LFE LSSRS PEAK 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 has created the ultimate in stereo sound. Only original MARANTZ parts can insure that your MARANTZ product will conti

5、nue to perform to the specifications for which it is famous. Parts for your MARANTZ equipment are generally available to our National Marantz Subsidiary or Agent. ORDERING PARTS : Parts can be ordered either by mail or by Fax. In both cases, the correct part number has to be specified. The following

6、 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 number for which part is required 5. Way of shipment 6. Signature : any order form or Fax. must be signed, otherwise such

7、 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 between either primary AC cord connector pins ( with unit NOT connected to AC mains and its Power switch ON ), and th

8、e 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 applied, and verified before it is return to the user/customer. Ref. UL Standard N0. 1492. In case of difficulties, do not

9、 hesitate to contact the Technical Department at above mentioned address. 990518MIT USAUSA MARANTZ AMERICA, INCMARANTZ AMERICA, INC. 440 MEDINAH ROAD ROSELLE, ILLINOIS 60172 USA PHONE : 630 - 307 - 3100 FAX : 630 - 307 - 2687 BRAZILBRAZIL MARANTZ BRAZILMARANTZ BRAZIL CAIXA POSTAL 21462 CEP 04698-970

10、 SAO PAULO, SP, BRAZIL PHONE : 0800 - 123123(Discagem Direta Gratuita) FAX : +55 11 534. 8988 JAPANJAPAN Technical MARANTZ JAPAN, INC.MARANTZ JAPAN, INC. 35- 1, 7- CHOME, SAGAMIONO SAGAMIHARA - SHI, KANAGAWA JAPAN 228-8505 PHONE : +81 42 748 1013 FAX : +81 42 748 9190 EUROPE / TRADING EUROPE / TRADI

11、NG MARANTZ EUROPE B.V.MARANTZ EUROPE B.V. P.O.BOX 80002, BUILDING SFF2 5600 JB EINDHOVEN THE NETHERLANDS PHONE : +31 - 40 - 2732241 FAX : +31 - 40 - 2735578 CANADACANADA LENBROOK INDUSTRIES LIMITEDLENBROOK INDUSTRIES LIMITED 633 GRANITE COURT, PICKERING, ONTARIO L1W 3K1 CANADA PHONE : 905 - 831 - 63

12、33 FAX : 905 - 831 - 6936 NEW ZEALANDNEW ZEALAND SCAN AUDIO PTY. LTD.SCAN AUDIO PTY. LTD. 8C PIERMARK DRIVE, ALBANY. NORTH SHORE, AUCKLAND. NEW ZEALAND PHONE : +64 - 9444 - 4710 FAX : +64 - 9444 - 1346 AUSTRALIAAUSTRALIA SCAN AUDIO PTY. LTD.SCAN AUDIO PTY. LTD. 52 CROWN STREET, RICHMOND 3121 VICTORI

13、A AUSTRALIA PHONE : +61 - 3 - 9429 - 2199 FAX : +61 - 3 - 9429 - 9309 THAILANDTHAILAND MRZ STANDARD CO.,LTDMRZ STANDARD CO.,LTD 746 - 754 MAHACHAI ROAD., WANGBURAPAPIROM, PHRANAKORN, BANGKOK, 10200 THAILAND PHONE : +66 - 2 - 222 9181 FAX : +66 - 2 - 224 6795 TAIWANTAIWAN PAI- YUING CO., LTD.PAI- YUI

14、NG CO., LTD. 6 TH FL NO, 148 SUNG KIANG ROAD, TAIPEI, 10429, TAIWAN R.O.C. PHONE : +886 - 2 - 25221304 FAX : +886 - 2 - 25630415 MALAYSIAMALAYSIA WO KEE HONG ELECTRONICS SDN. BHD.WO KEE HONG ELECTRONICS SDN. BHD. NO. 102 JALAN SS 21/35, DAMANSARA UTAMA, 47400 PETALING JAYA SELANGOR DARUL EHSAN, MALA

15、YSIA PHONE : +60 3 - 7184666 FAX : +60 3 - 7173828 AMERICASAMERICAS SUPERSCOPE TECHNOLOGIES, INC.SUPERSCOPE TECHNOLOGIES, INC. MARANTZ PROFESSIONAL PRODUCTS 2640 WHITE OAK CIRCLE, SUITE A AURORA, ILLINOIS 60504 USA PHONE : 630 - 820 - 4800 FAX : 630 - 820 - 8103 KOREAKOREA MK ENTERPRISES LTD.MK ENTE

16、RPRISES LTD. ROOM 604/605, ELECTRO-OFFICETEL, 16-58, 3GA, HANGANG-RO, YONGSAN-KU, SEOUL KOREA PHONE : +822 - 3232 - 155 FAX : +822 - 3232 - 154 SINGAPORESINGAPORE WO KEE HONG (S) PTE LTDWO KEE HONG (S) PTE LTD WO KEE HONG CENTRE NO.23, LORONG 8, TOA PAYOH SINGAPORE 319257 PHONE : +65 2544555 FAX : +

17、65 2502213 RadioFans.CN 收音机爱 好者资料库 1 1. TECHNICAL SPECIFICATIONS FM TUNER SECTION Frequency Range . 87.5 108.0 MHz Usable Sensitivity . IHF 1.8 V/16.4 dBf Signal to Noise Ratio .Mono/Stereo 76/72 dB Distortion .Mono/Stereo 0.2 / 0.3 % Stereo Separation. 1 kHz 45 dB Alternate Channel Selectivity . 40

18、0 kHz 60 dB (U version) 300 kHz 60 dB (K, KS version) Image Rejection . 98 MHz 70dB Tuner Output Level . 1 kHz, 75 kHz Dev 800 mV (U version) 1 kHz, 40 kHz Dev 800 mV (K, KS version) AM TUNER SECTION Frequency Range .520 1710 kHz (U version) 531 1602 or 520 1710 kHz (K version) 531 1602 kHz (KS vers

19、ion) Signal to Noise Ratio . 50 dB Usable Sensitivity .Loop 400 V Distortion . 400 Hz, 30% Mod. 0.5% Selectivity . 20 kHz 70 dB (U version) 18 kHz 70 dB (K, KS version) AUDIO SECTION Rated Power Stereo Mode FRONT (20 Hz 20 kHz).8 ohms 140W / Ch (2ch driven) Center (40 Hz 20 kHz). 8 ohms 140W / Ch Su

20、rround . 8 ohms 140W / Ch THD Front (20 Hz 20 kHz). 8 ohms 0.05% Input Sensitivity/Impedance Linear . 350mV/47 kohms Signal to Noise Rate ( IHF A ) Linear . 85 dB Dolby Surround Adjacent Channels Separation. 55 dB VIDEO Television Format . NTSC (U version) PAL/NTSC (K, KS version) Input Level/Impeda

21、nce . 1 Vp-p/75 ohms Output Level/Impedance . 1 Vp-p/75 ohms Video Frequency Response . 5 Hz to 8 MHz ( 1 dB) S/N . 60 dB GENERAL Power Requirement . AC 120V 60 Hz (U version) AC 220 50/60 Hz (K version) AC 230V 50 Hz (KS version) Power Consumption . 470W Dimension ( MAX ) Width . 18 inches (458 mm)

22、 Height . 7- inches (190 mm) Depth. 19- inches (496 mm) Weight . 49.7 lds. (22.5 kg) ACCESSORIES Remote Control Unit RC-18SR .1 Dolby Digital(AC-3) SECTION Output Level ( Master Volume is set 0dB ) Front L/R, CENTER, SURROUND L/R 1 KHz, 0 dB FS INPUT . 1.1V SUBWOOFER 40 Hz, 0 dB FS INPUT . 3.8V Freq

23、uency Response Front L/R, CENTER, SURROUND L/R ( LARGE ) 20 Hz 20 KHz.-1dB Total Harmonic Distortion Front L/R, CENTER, SURROUND L/R ( 1 KHz ). 0.01% or less SUBWOOFER ( 40 Hz) . 0.07% or less Signal to Noise Ratio ( IHF-A ). 96 dB Channel Separation ( 1 KHz ) . 70 dB Specifications subject to chang

24、e without prior notice. RadioFans.CN 收音机爱 好者资料库 2 Remark : Bass signal output from Sub Woofer terminal for SR-18 Sub woofer output is not active while all surround modes. Please refer to the following table. Note : These configuration have been effective since the version of main CPU (QY01) is 99053

25、1 may be gated or used in a burst fashion. 27ISDATASerial input, MSB first, containing two channels of 16, 18, 20, and 24 bits of twos complement data per channel. 28IDVDDDigital Power Supply Connect to digital +5 V supply. TOP VIEW (Not to Scale) 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 5

26、6 7 8 9 10 11 12 13 14 AD1855 FILTR OUTR OUTR+ AGND 96/48 DEEMP ZEROR DGND MCLK CLATCH CCLK X2MCLK 384/256 CDATA AGND OUTL OUTL+ AVDD FILTB IDPM1 IDPM0 DVDD SDATA BCLK L/RCLK ZEROL MUTE PD/RST P9 P10 P11 P12 6 7 8 9 14 P1 DATA CLK VSS VDD STB CLR P2 P3 P4 P5 P6 P7 P8 18 12 13 15 16 17 1 2 3 4 10 11

27、5 CONTROL CIRCUIT SHIFT REGISTER LATCH CIRCUIT NJU3713 19 P1DATA CLK VSS VDD STB CLR P2 P3 P4 P5 P6 P19 P20 28 17 18 20 22 23 24 25 26 P7 P8 P9 P10 P11 P12 27 1 P13 P14 P15 P16 5 6 8 9 10 P17 P1811 2 3 4 12 13 SO14 15 16 21 CONTROL CIRCUIT SHIFT REGISTER LATCH CIRCUIT NJU3718 QA51:MC13022 QV01:NJU37

28、13 Q351:LC72720 ATTEN/ MUTE ATTEN/ MUTE SERIAL DATA INTERFACE 83 INTERPOLATOR MULTIBIT SIGMA- DELTA MODULATOR SERIAL CONTROL INTERFACE CLOCK CIRCUIT OUTPUT BUFFER OUTPUT BUFFER DAC DAC MULTIBIT SIGMA- DELTA MODULATOR VOLTAGE REFERENCE VOLUME MUTE CONTROL DATA INPUT 32 DIGITAL SUPPLY CLOCK IN 96/48FS

29、 CLOCK ANALOG OUTPUTS 22 ZERO FLAG ANALOG SUPPLY DE-EMPHASISMUTEPD/RST 2 SERIAL MODE 16-/18-/20-/24-BIT DIGITAL DATA INPUT AD1855 83 INTERPOLATOR 3 384/256 X2MCLK QL21,QL74:LC74781 Q601:YSS912 CPO XO XI SDOB0 SDOB1 SDOB2 SDWCK1 SDBCK1 OPORT0 7 IPORT0 7 SO SI SCK /CS OVFB RAMA016 RAMOEN RAMWEN RAMCEN

30、 RAMD07 SDIB2 SDIB1 SDIB0 SDOA2 SDOA1 SDOA0 Delay RAM SDIASEL SDIA1 SDIA0 SDWCK0 SDBCK0 /SDBCK0 /CSB SCK SI SDOACKSELSDIBCKSELSDOBCKSEL Operating clock (30MHz) CRC ERAMUSE SDOB Interface 24 * 16 Sub DSP SDIB Interface SDOA Interface SDIBSEL SDIA Interface 24 * 24 Main DSP AC-3/Pro Logic/DTS Data RAM

31、 ExternalRAM Interface Coefficient / Program RAM STREAM 0 7 PLL L, R LS, RS C, LFE SDOB3 SDIB3 SURENC KARAOKE MUTE CRC AC3DATA DTSDATA NONPCM Input Buffer Decoder Microprocessor Interface Control Registers Control signalsControl signals 4748 No.NAMEI/O FUNCTION 1VDD1-+5V power supply (for I/Os) 2RAM

32、CENOExternal SRAM Interface /CE 3RAMA16OExternal SRAM Interface address 16 4RAMA15OExternal SRAM Interface address 15 5SDIB0I+PCM input 0 to Sub DSP 6SDIB1I+PCM input 1 to Sub DSP 7SDIB2I+PCM input 2 to Sub DSP 8XIICrystal oscillator connection or input external clock (12.288 MHz) 9XOoCrystal oscill

33、ator connection 10VSS-Ground 11AVDD-+3.3V power supply (for PLL circuit) 12SDIB3I+PCM input 3 to Sub DSP 13TESTTest terminal (to be open in normal use) 14TESTTest terminal (to be open in normal use) 15OVFBODetection of overflow at Sub DSP 16DTSDATAODTS data detection (Refer to Status Register.) 17AC

34、3DATAOAC-3 data detection (Refer to Status Register .) 18SDOB3OPCM output from Sub DSP 19CPOAOutput terminal for PLL, to be connected to ground through the external analog filter circuit. (Refer to External Circuit for PLL .) 20AVSS-Ground (for PLL circuit) 21VDD2-+3.3V power supply (for core logic)

35、 22SDOA2oPCM output from Main DSP (C, LFE) 23SDOA1OPCM output from Main DSP (LS, RS) 24SDOA0OPCM output from Main DSP (L, R) 25RAMA14OExternal SRAM Interface address 14 26RAMA13OExternal SRAM Interface address 13 27RAMA12OExternal SRAM Interface address 12 28RAMA11OExternal SRAM Interface address 11

36、 29RAMA10OExternal SRAM Interface address 10 30VSS-Ground 31VDD1-+5V power supply (for I/Os) 32OPORT0OOutput port for general purpose. (Refer to OPORT Register) 33OPORT1OOutput port for general purpose. (Refer to OPORT Register) 34OPORT2OOutput port for general purpose. (Refer to OPORT Register) 35O

37、PORT3OOutput port for general purpose. (Refer to OPORT Register) 36OPORT4OOutput port for general purpose. (Refer to OPORT Register) 37OPORT5OOutput port for general purpose. (Refer to OPORT Register) 38OPORT6OOutput port for general purpose. (Refer to OPORT Register) 39OPORT7OOutput port for genera

38、l purpose. (Refer to OPORT Register) 40VSS-Ground 41VDD2-+3.3V power supply (for core logic) 42RAMA9OExternal SRAM interface address 9 43RAMA8OExternal SRAM interface address 8 44RAMA7OExternal SRAM interface address 7 45SDOB2OPCM output from Sub DSP 46SDOB1OPCM output from Sub DSP 47SDOB0OPCM outpu

39、t from Sub DSP 48SDBCK1I+Bit clock input for SDOA, SDIB, SDOB. (Refer to SDOA, SDIB, SDOB Register) 49SDWCK1I+Word clock input for SDOA, SDIB, SDOB. (Refer to SDOA, SDIB, SDOB Register) 50VSS-Ground No.NAMEI/O FUNCTION 51VDD2-+3.3V power supply (for core logic) 52NONPCMODetection of non PCM data. (Refer to Status Register) 53CRCODetection of AC-3 CRC error. (Refer t