Marantz-MA-9-S-1-Service-Manual(1) 电路图 维修手册.pdf

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1、Monaural Power Amplifi er MA-9S1 TABLE OF CONTENTS SECTION PAGE 1. TECHNICAL SPECIFICATIONS . 1 2. CAUTION . 1 3. ALIGNMENTS. 2 4. BLOCK DIAGRAM . 4 5. WIRING DIAGRAM. 5 6. SCHEMATIC DIAGRAM. 7 7. PARTS LOCATION. 11 8. EXPLODED VIEW AND PARTS LIST. 17 9. ELECTRICAL PARTS LIST. 20 MA9S1 /F1N/N1G/U1G

2、MA-9S1MA-9S1 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 Part no. 339J855020 First Issue 2003.09 ecm RadioFans.CN 收音机爱 好者资料库 MARANTZ DESIGN AND SERVICE Using superior design and selected high

3、grade components, MARANTZ company has 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 Subsid

4、iary or Agent. ORDERING PARTS : Parts 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

5、. 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 part order will be considered as null and void. SHOCK, FIRE HAZARD SERVICE TEST : CAUTION : After servicing this appliance and prior to returning

6、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 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 o

7、r corrected before AC power is applied, 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 M

8、APLEWOOD DRIVE ITASCA, IL. 60143 USA 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 SIL

9、VERPOINT BEEMDSTRAAT 11, 5653 MA EINDHOVEN 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 RO

10、AD MT ALBERT AUCKLAND NEW ZEALAND PHONE : +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

11、 ROAD, TAIPEI, 10429, TAIWAN R.O.C. 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

12、 MARANTZ PROFESSIONAL PRODUCTS 2640 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 SINGAP

13、ORE WO KEE HONG DISTRIBUTION PTE LTD 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 - 219136

14、60 FAX : 852 - 21913990 CANADA LENBROOK 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

15、 AUSTRALIA RadioFans.CN 收音机爱 好者资料库 1 1. TECHNICAL SPECIFICATIONS Caution : (The layout of this amplifi er is well concerned for sound quality.) 1. When screws and washers are removed, those parts must be set to the same places. 2. When wires are removed, the wires must be installed in the same roots

16、, same places. 3. Do not hold the side panel (001D, 002D) and the bracket (915G) to move the unit when the unit is disassembled. Rated power output (20 Hz to 20 kHz).300 W (8 load) 600 W (4 load) Total harmonic distortion .0.01 % (20 Hz to 20 kHz, 8 load) Output bandwidth .5 Hz to 50 kHz (8 load, 0.

17、05 %) Frequency response.3 Hz to 120 kHz (+0 / -3 dB) Damping factor . 200 (20 Hz to 20 kHz, 8 load) Inout sensitivity / Inout impedance .1.7 V / 20 k (BALANCED) 1.7 V / 20 k (UNBALANCED) S/N (IHF A network, input shorted) . 120 dB (BALANCED) 120 dB (UNBALANCED) Level of voltage amplifi cation. 29 d

18、B (BALANCED) 29 dB (UNBALANCED) Attenuation .0, -3, -6, -9, -12, dB Supply voltage /F.100 V AC, 50 / 60 Hz /N.230 V AC, 50 Hz /U.120 V AC, 60 Hz Power consumption /F.450 W 1200 W (4 , 600 W driven) /N.500 W 1200 W (4 , 600 W driven) /U.5.8 A 13 A (4 , 600 W driven) Dimensions Width . 459 mm Height.

19、198 mm Depth. 451 mm Weight . 35.8 kg RadioFans.CN 收音机爱 好者资料库 2 3. ALIGNMENTS METER8 OHM LOAD4 OHM LOAD 0 dB300 W600 W -10 dB 30 W 60 W -20 dB 3 W 6 W -30 dB 0.3 W 0.6 W -40 dB 0.03 W 0.06 W 34 4. BLOCK DIAGRAM Adjustment Procedure Set the power voltage to rated voltage for this adjustment DC Offset

20、 Voltage Adjustment 1. Before turning on power, set the attenuator switch(S201) at , and turn the variable resisters R641 and R642 on the PCB(P641) counterclockwise to the end. Insert digital voltage meters between the SPEAKERS1 + terminal on the rear panel and the GND terminal of C001/C002, and bet

21、ween the SPEAKERS1 terminal on the rear panel and the GND terminal of C001/C002. 2. After the all preparation in Step 1 is done, turn on power. Just after the speaker relays turning on, make the adjustment to set the offset voltages of the SPEAKERS1 + terminal and the SPEAKERS1 terminal to 0V 20mV.

22、Also, the difference between the offset voltages of the SPEAKERS1 + terminal and the SPEAKERS 1 terminal must be within 3mV. Offset voltage between the SPEAKERS1 + terminal and GND Insert an adjustment screw driver to the adjustment hole on the cupper cover of the HDAM Q501 on the PCB P501 and adjus

23、t. Offset voltage between the SPEAKERS1 terminal and GND Insert an adjustment screw driver to the adjustment hole on the cupper cover of the HDAM Q502 on the PCB P501 and adjust. Idling Current Adjustment 1. After DC Offset Voltage Adjustment is completed, adjust the idling current with the variable

24、 resisters R641 and R642 on the PCB(P641). 2. Connect a digital voltage meter in between the 1 pin and the 3 pin of J639 and in between the 1 pin and the 3 pin of J641 each. Connect the 1 pin terminals of J639 and J641 to + and the 3 pin to . 3. With seeing the digital voltage meter, turn the variab

25、le resisters clockwise slowly to adjust the idling current. Idling current adjustment with R641 R641 is to adjust the idling current for the power transistor(s) on the upper side of the heat sink. Turn R641 clockwise to increase the idling current. The voltage measured by the digital voltage meter c

26、onnected to J639 will increase. Idling current adjustment with R642 R642 is to adjust the idling current for the power transistor(s) on the lower side of the heat sink. Turn R642 clockwise to increase the idling current. The voltage measured by the digital voltage meter connected to J641 will increa

27、se. 4. The voltage of the idling current will be 10mV(50mA) for each. The voltage reaches approx. 12mV(60mA) 3 minutes after turning on power then the voltage decreases slowly to approx. 10mV(50mA) about 40 minutes after and becomes stable. Meter Adjustment 1. Connect an oscillator to the input term

28、inal UNBALANCED-1 and connect an AC voltage meter to the speaker output terminals. ATTENUATOR is set to 0dB and no load is connected to the speaker output. 2. Turn on power and adjust output power (output frequency 1kHz) of the oscillator to set the speaker output voltage to 49.0V. 3. When the speak

29、er output voltage becomes 49.0V, adjust the variable resistor R917 on the PCB P801 to set the meter 0dB. (Output voltage 49.0V means 300W for 8, 600W for 4.) 4. Assuming this point as 0db, decrease the output power of the oscillator like 10dB 20dB 30dB 40dB, the meter will show the corresponding mea

30、surements. 12 3 BALANCED 1 2 I/V SPEAKER OUTPUT INPUT / DRIVE STAGE METER / PROTECT UNBALANCED INPUT ATT ATT I/V I/V I/V PROTECT FINAL STAGE REGULATOR SOFT START INPUT SELECTOR 65 P641 IDLING ADJ P621 N POWER TR (POWER DRIVER) P611 H POWER TR (POWER DRIVER) P801 POWER SUPPLY ( 1. KOA Corporation Par

31、t No. (MJI) Type No. (KOA)Description NH05 140RF25S J(5% 1/4W) NH05 120RF50S J(5% 1/2W) NH85 110RF73B2A J(5% 1/10W) NH95 140RF73B2E J(5% 1/4W) 2. Matsushita Electronic Components Co., Ltd Part No. (MJI) Type No. (MEC)Description NF05 140ERD-2FCJ (5% 1/4W) RF05 140 NF02 140ERD-2FCG (2% 1/4W) RF02 140

32、 Examples ; Resistance value 0.1 . 00110 . 1001 k .102 100 k. 104 0.5 . 00518 . 1802.7 k .272 680 k. 684 1 . 010100 . 10110 k .1031 M. 105 6.8 . 068390 . 39122 k .223 4.7 M. 475 ASSIGNMENT OF COMMON PARTS CODES. RESISTORS R : 1) GD05 140, Carbon film fixed resistor, 5% 1/4W R : 2) GD05 160, Carbon f

33、ilm fixed resistor, 5% 1/6W Examples ; Resistance value 0.1 . 00110 . 1001 k .102 100 k. 104 0.5 . 00518 . 1802.7 k .272 680 k. 684 1 . 010100 . 10110 k .1031 M. 105 6.8 . 068390 . 39122 k .223 4.7 M. 475 Note : Please distinguish 1/4W from 1/6W by the shape of parts used actually. CAPACITORS C : CE

34、RAMIC CAP. 3) DD1 370,Ceramic capacitor Disc type Temp.coeff.P350 N1000, 50V Examples ; Tolerance (Capacity deviation) 0.25 pF . 0 0.5 pF . 1 5%. 5 Tolerance of COMMON PARTS handled here are as follows : 0.5 pF5 pF . 0.25 pF 6 pF10 pF . 0.5 pF 12 pF560 pF. 5% Capacity value 0.5 pF .0053 pF .030 100

35、pF . 101 1 pF .01010 pF .100 220 pF . 221 1.5 pF .01547 pF .470 560 pF . 561 C : CERAMIC CAP. 4) DK16 300,High dielectric constant ceramic capacitor Disc type Temp.chara. 2B4, 50V Examples ; Capacity value 100 pF .101 1000 pF .10210000 pF.103 470 pF .471 2200 pF .222 C: 5) ELECTROLY CAP. ( ), 6) FIL

36、M CAP . ( ) 5) EA 10,Electrolytic capacitor One-way lead type, Tolerance 20% Examples ; Capacity value 0.1 F.1044.7 F .475100 F .107 0.33 F.33410 F .106330 F .337 1 F.10522 F .2261100 F .118 2200 F .228 Working voltage 6.3V.00625V .025 10V.01035V .035 16V.01650V .050 6) DF15 350Plastic film capacito

37、r DF15 310One-way type, Mylar 5% 50V DF16 310Plastic film capacitor One-way type, Mylar 10% 50V Examples ; Capacity value 0.001 F(1000 pF) . 1020.1 F.104 0.0018 F. 1820.56 F.564 0.01 F. 1031 F.105 0.015 F. 153 : 1) The above CODES ( R , R , C , C and C ) are omitted on the schematic diagram in some

38、case. 2) On the occasion, be confirmed the common parts on the parts list. 3) Refer to “Common Parts List” for the other common parts (RI05, DD4, DK4). Capacity value Tolerance Capacity value Resistance value Working voltage Capacity value Capacity value NOTE NOTE ON SAFETY FOR FUSIBLE RESISTOR : Re

39、sistance valueResistance value (0.1 10 k) Resistance value Resistance value ANT .: ANTENNABATT .: BATTERY CAP .: CAPACITORCER.: CERAMIC CONN.: CONNECTINGDIG.: DIGITAL HP: HEADPHONEMIC.: MICROPHONE -PRO: MICROPROCESSORREC.: RECORDING RES.: RESISTORSPK: SPEAKER SW: SWITCHTRANSF . : TRANSFORMER TRIM.:

40、TRIMMINGTRS.: TRANSISTOR VAR.: VARIABLEXTAL: CRYSTAL ABBREVIATION AND MARKS NOTE ON SAFETY : SymbolFire or electrical shock hazard. Only original parts should be used to replaced any part marked with symbol . Any other component substitution (other than original type), may increase risk of fire or e

41、lectrical shock hazard. NOTE ON FUSE : Regarding to all parts of parts code FS20 xxx2xx, replace only with Wickmann-Werke GmbH, Type 372 non glass type fuse. 010728MIT NOTE : nsp PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS. 21 POS. NO VERS. COLOR PART NO. (FOR EUR) DESCRIPTION PART NO. (MJI) POS. NO VERS. COLOR PART NO. (FOR EUR) DESCRIPTION PART NO. (MJI) P201-INPUT ATT CIRCUIT BOARD P201-RESISTORS R207 nsp 10k 1% 1/4W GM11410020 R210 R211 nsp 8.25k 5% 1/4W GM11482510 R212 nsp 8.25k 5% 1/4W GM11482510 R213 nsp 4.64k 1% 1/4W GM11446410 R214 nsp 4.64k 1% 1/4