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1、Service Manual Please use this service manual with referring to the user guide (D.F.U) without fail. 281W855010 AO 3120 785 22013 First Issue:1999.08 ST4000/N1B Tuner - ST4000 - TABLE OF CONTENTS 1.TECHNICAL SPECIFICATIONS .1 2.WIRING DIAGRAM.2 3.BLOCK DIAGRAM .3 4.SCHEMATIC DIAGRAM AND PARTS LOCATI
2、ON .5 5.MICROPROCESSOR AND IC DATA . 11 6.ADJUSTMENT PROCEDURE .13 7.EXPLODED VIEW AND PARTS LIST.16 8.ELECTRICAL PARTS LIST.17 Printed in Japan R ST4000ST4000 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
3、 ultimate in stereo sound. Only original MARANTZ parts can insure that your MARANTZ product will continue 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 order
4、ed either by mail or by Fax. In both cases, the correct part number has to be specified. 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 number for which pa
5、rt 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 between either
6、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 applied, and verifie
7、d before it is return to the user/customer. Ref. UL Standard No. 1492. In case of difficulties, do not hesitate to contact the Technical Department at above mentioned address. 990729A.O USAUSA MARANTZ AMERICA, INCMARANTZ AMERICA, INC. 440 MEDINAH ROAD ROSELLE, ILLINOIS 60172 USA PHONE : 630 - 307 -
8、3100 FAX : 630 - 307 - 2687 BRAZILBRAZIL MARANTZ BRAZILMARANTZ BRAZIL CAIXA POSTAL 21462 CEP 04698-970 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,
9、 KANAGAWA JAPAN 228-8505 PHONE : +81 42 748 1013 FAX : +81 42 748 9190 EUROPE / TRADING EUROPE / TRADING 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 LIMITEDL
10、ENBROOK INDUSTRIES LIMITED 633 GRANITE COURT, PICKERING, ONTARIO L1W 3K1 CANADA PHONE : 905 - 831 - 6333 FAX : 905 - 831 - 6936 AUSTRALIAAUSTRALIA JAMO AUSTRALIA PTY LTDJAMO AUSTRALIA PTY LTD 1 EXPO COURT, P.O. BOX 350 MT. WAVERLEY VIC 3149 AUSTRALIA PHONE : +61 - 3 - 9543 - 1522 FAX : +61 - 3 - 954
11、3 - 3677 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- YUING CO., LTD. 6 TH FL NO, 148 SUNG KIANG ROAD, TAIPEI, 10429,
12、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, MALAYSIA PHONE : +60 3 - 7184666 FAX : +60 3 - 7173828 AMERICASAM
13、ERICAS 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 ENTERPRISES LTD. ROOM 604/605, ELECTRO-OFFICETEL, 16-58, 3GA, HAN
14、GANG-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 : +65 2502213 RadioFans.CN 收音机爱 好者资料库 1. TECHNICAL SPECIFICATION
15、S FM Section Tuning Range.87.5 MHz - 108.0 MHz Usable Sensitivity (IHF) Mono . 10 dBf 50 dB Quieting sensitivity Mono . 17 dBf Stereo. 33 dBf Alternate Channel Selectivity (98 MHz 400 kHz) . 65 dB Image Response Ratio . 60 dB Frequency Response . 20 Hz - 15 kHz, +0.5 dB/-3 dB Capture Ratio . 2 (at 9
16、8 MHz) Distortion (at 65 dBf, 98 MHz) Mono .0.2 % Stereo.0.3 % Signal-to-Noise Ratio (at 65 dBf, 1 kHz) Mono . 70 dB Stereo. 65 dB AM Suppression Ratio . 80 dB Stereo Separation (1 kHz) . 40 dB Output (Level/Impedance) .600 mV/2.2 k ohm AM Section Tuning Range. 522 kHz - 1,620 kHz (9 kHz steps) Usab
17、le Sensitivity (IHF). 55 dB/m (562 V/m, Loop Antenna) Selectivity .30 dB (at 9 kHz) Image Response Ratio . 35 dB IF Response Ratio . 60 dB Distortion .1 % (at 85 dB/m) Signal-to-Noise Ratio .50 dB (at 94 dB/m) Output (Level/Impedance) .170 mV/2.2 k ohm General Power Requirements . 230V AC, 50 Hz Pow
18、er Consumption. 6 W MAX Dimensions (W x H x D) . 440 x 86 x 290 mm Weight (net). 3.0 kg Accessories AM Loop Antenna x 1, FM Antenna x 1 PCA pin plug cord x 1, Remote control Cable x 1 Improvements may result in specifications and features changing without notice. 1 RadioFans.CN 收音机爱 好者资料库 FL1 VFIP F
19、L2 REMOTE GND POWER AM 5.6V GND RESET TUNED ST-IN DO CK DI CE RDS-DR RDS-CK PLL 2. WIRING DIAGRAM 2 3. BLOCK DIAGRAM 34 4. SCHEMATIC DIAGRAMS AND PARTS LOCATIONS 56 78 910 Q905Q902 Q901 Q903IC91Q906 Q908 Q907 Q702 Q701Q703 Q704 IC81Q307 Q304 Q308 Q303 Q305 IC31 Q306 Q301 Q503 Q504IC11Q502 Q501 Q102
20、Q512 Q101 Q511 IC51 11 PIN NO.IN/OUTMARKDESCRIPTION OF TERMINAL 1INPUTXINConnecting terminal for crystal oscillator(7.2MHz) 2INPUTCEChip enable terminal for serial data input/output. 3INPUTDIData input terminal for control 4INPUTCLClock input terminal for control 5OUTPUTDOData output terminal for co
21、ntrol 6INPUTSYSNot used in this unit.( 0 V ) 7INPUTIN0Control input for data format 8INPUTIN1 9OUTPUTOUT0Not used in this unit. 10OUTPUTOUT1MUTE ON: H , MUTE OFF: L 11OUTPUTOUT2FM : H , AM : L 12OUTPUTOUT3Not used in this unit. 13OUTPUTOUT4STEREO : L , MONO : H 14OUTPUTOUT5Signal indicator driver 15
22、INPUTLCTRInput terminal for IF detector 16INPUTHCTR 17OUTPUTOUT6Output terminal for IF detector 18INPUTAM INInput for AM OSC output 19INPUTFM INInput for FM OSC output 20INPUTVDDPower supply terminal 21OUTPUTPD1Output terminal for PLL charge pump. 22OUTPUTPD2Not used in this unit. 23-VSSGround termi
23、nal 24OUTPUTXOUTConnecting terminal for crystal oscillator(7.2MHz) IC91 : ANAM 1239T IC51 : BVILC7218 (LC7218) 12 PIN NO.SYMBOLIN/OUTDESCRIPTION 1VCCIVDD CONNECTION 25KEY OUTOKEY MATRIX OUTPUT 610N.CNO CONNECTION 11RDS DATAIRDS DATA INPUT 12N.CNO CONNECTION 13RDS CKIRDS CLOCK INPUT 1416GNDGROUND 17,
24、18 AREA OPTION I17(H), 18(H) : EUROPE OPTION 19SIGNALISIGNAL INPUT 20,21N.CNO CONNECTION 22,23GNDGROUND 24VREFI5V VDD 25VCCIVDD CONNECTION 26CEIMICOM CHIP ENABLE 27GNDGROUND 28TXI 29TEXO 32.768KHz CRISTAL TIME OPERATOR 30GNDGROUND 31XINI 32XOUTO 8.0MHz CRYSTAL MICOM OPERATOR 33RESETIRESET INPUT 34RM
25、C-OUTOREMOCON DATA OUTPUT 35,36RMC-INIREMOCON DATA INPUT 3742N.CNO CONNECTION 43POWEROTUNER POWER ON/OFF 44TUNEDITUNED DISPLAY INPUT 45STEREOISTEREO DISPLAY INPUT 46PLL DOOPLL SERIAL DATA OUTPUT 47PLL CKOPLL SERIAL CLOCK OUTPUT 48PLL DIIPLL SERIAL DATA INPUT 49PLL CEOPLL SERIAL CHIP ENABLE OUTPUT 50
26、VFIPIFIP VDD : 30V 5164G01G14OFIP GRIDE SIGNAL OUTPUT 65,66N.CNO CONNECTION 6786P01P20OFIP ANODE SIGNAL OUTPUT 8796N.CNO CONNECTION 97100KEY INIKEY MATRIX INPUT 1. Block Diagram 5. MICROPROCESSOR AND IC DATA 1314 6. ADJUSTMENT PROCEDURE (1) ALIGNMENT INSTRUCTIONS EQUIPMENT NEEDEDIMPORTANT AM Signal
27、Generator1.Check power-source voltage. FM Signal Generator2.Set the function switch to band aligned. Oscilloscope3.Keep the function input as low as possible to adjust. VTVM(AC,DC) accurately. Test loop antenna (MW Adjustnent) 4.Modulation and modulation frequency. Dummy antenna(FM Adjustment) Stere
28、o signal modulator. Distortion analyzerModulationModulation Frequency. EQUIPMENT NEEDEDIMPORTANT AM Signal Generator1.Check power-source voltage. FM Signal Generator2.Set the function switch to band aligned. Oscilloscope3.Keep the function input as low as possible to adjust. VTVM(AC,DC) accurately.
29、Test loop antenna (MW Adjustnent) 4.Modulation and modulation frequency. (7) FM/MW TUNED LEVEL ADJUSTMENT FM Signal Generator : Connect to FM ANT. Jack (FM IN) through the dummy. MW Signal Generator : Connect to MW ANT. Coil thriugh Loop antenna. MODULATION MODULATION FREQUENCY MW30%400Hz FM100%(75K
30、Hz)400Hz (2) TUNING FREQUENCY RANGE ADJUSTMENT (FM) DC VOLTMETER CONNECT TO TEST POINT TP1 and GND (MW) DC VOLTMETER CONNECT TO TEST POINT TP1 and GND FM AM GNDGND TP11 DC EVM UNIT (3) MW TRACKING ADJUSTMENT Signal Generator : Connects to the MW Ant. Coil through the loop antenna. Adjust for the ind
31、ication of VTVM of the wave form of scope to be maximum. NOSTEPFREQUENCYADJUST FOR ADJUS- MENT 1612KHzMax sensitivityL102 21503KHzMax sensitivityCT01MW 3Repeat steps 1 and 2 several times. AM-SG AM LOOP antenna 60cm MHz OUTPUT terminal AC EVMOSCILLOSCOPE (4) FM-RF ADJUSTMENT Signal Generator : Conne
32、cts to FM ANT. JACK (FM IN) through the dummy. NOFREQUENCYADJUST FORADJUSTMENT 190.10MHzMax sensitivityL1,L2,L3 2Repeat step 1 several times FM-SG UNIT MHz OUT OUTPUT terminal FM ANT 75ohm AC EVMOSCILLOSCOPE (5) FM MONO DISTORTION ADJUSTMENT DC VOLTMETER Connect to TP02 (-),TP03 (+) through the choc
33、kcoil (100 H). Signal Generator Connect to FM ANT. Jack (FM IN) through thedummy. Distortion Meter Connect to the output. NOFREQUENCYADJUST FORADJUSTMENT 1100.10MHz DC Voltmeter 0V T101 2100.10MHzmin T.H.DT102 3Repeat steps 1 and 2 several times FM-SG MHz Choke coil output DC EVM UNIT Chassis TP12 T
34、P13 DISTORTION ANALYSER OUT 100 H (6) FM STEREO SEPARATION PILOT SIGNAL ADJUST FORADJUSTMENT ON Different of R and L Must be maximum VR03 FM-SGDummyUNIT FM INOUTPUT STEREO OSCILLOSCOPE VTVM VR03 OUT OUT STEREO MODULATOR EXT BAND STEP SIGNAL GENERATOR ADJUST FORADJUSTMENT FM1100.10MHz 30dBTUNED ONVR0
35、2 2100.10MHz 30dBTUNED OFFVR02 MW1999KHz 80dBTUNED ONVR01 2999KHz 80dBTUNED OFFVR01 NOBANDFREQUENCY ADJUST FOR ADJUST- MENT 1FM87.50MHz1.5VL4 2MW522KHz1VL103 ADJUSTMENT POINT 15 POS. NO VERS. COLOR PART NO. (FOR PCS) DESCRIPTION PART NO. (MJI) (VERS. :VERSION, U:U.S.A., F:JAPAN, K:FAR EAST, N:EUROPE) 1 9965 000 01238WINDOW FIP281W158010 2 nspBADGE MARANTZnsp 3 9965 000 01242P
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