Marantz MA-9S1 Service Manual
Monaural power amplifier
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Also See for MA-9S1:
- User manual (47 pages) ,
- Brochure & specs (8 pages) ,
- Specifications (1 page)
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Service
Manual
SECTION
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
Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
Printed on 100% Recycled Paper
Printed in Japan
Monaural Power Amplifi er
TABLE OF CONTENTS
MA-9S1
MA9S1 /
F1N/N1G/U1G
PAGE
Part no. 339J855020
First Issue 2003.09
ecm
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Table of Contents
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Summary of Contents for Marantz MA-9S1
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Page 1: Table Of Contents
8. EXPLODED VIEW AND PARTS LIST ............... 17 9. ELECTRICAL PARTS LIST ..................20 Please use this service manual with referring to the user guide ( D.F.U. ) without fail. MA-9S1 Printed on 100% Recycled Paper Part no. 339J855020 First Issue 2003.09... - Page 2 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 specifi ed.
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Page 3: Technical Specifications
1. TECHNICAL SPECIFICATIONS Rated power output (20 Hz to 20 kHz) ....300 W (8 Ω load) 600 W (4 Ω load) Total harmonic distortion ............0.01 % (20 Hz to 20 kHz, 8 Ω load) Output bandwidth ............5 Hz to 50 kHz (8 Ω... -
Page 4: Alignments
3. ALIGNMENTS METER 8 OHM LOAD 4 OHM LOAD 0 dB 300 W 600 W -10 dB 30 W 60 W -20 dB -30 dB 0.3 W 0.6 W -40 dB 0.03 W 0.06 W... -
Page 5: Block Diagram
Adjustment Procedure 4. BLOCK DIAGRAM Set the power voltage to rated voltage for this adjustment DC Offset Voltage Adjustment UNBALANCED 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 SPEAKERS–1 "+"... -
Page 6: Wiring Diagram
5. WIRING DIAGRAM P201 INPUT ATT SW J206(5P) W014 J204(5P) W003 J007 AC IN W013 C001 BALANCED C002 J851(2P) J006 P501 W012 L001 UN BAL 1 INPUT INPUT AMP W015 POWER L004 P851 (VOLTAGE AMP.) TRANS AC INPUT J005 W011 (SOFT START) UN BAL 1 J205(4P) -
Page 7: Schematic Diagram
6. SCHEMATIC DIAGRAM H POWER TR P611 (AMA) Q635 Q625 Q629 Q633 Q627 Q631 2SC2922 2SC2922 2SC2922 2SA1216 2SA1216 2SA1216 -0.6 -0.6 -0.6 IDLING ADJ P641 (AMA) R653 150 1w C607 Q623 BIAS ADJ BIAS ADJ Q621 2SC488 3 2SA185 9 0.01 49.0 -49.0... - Page 8 TO J623/J624 P871 W028/W029 C871 0.01 (APS) W032 C001 C002 S871 TO J625/626 22000 22000 W030/W031 POWER W033 J871 TO GND C001/C002 J807 J808 G801 J804 6.8 0.47 W002 R804 49.0 J801 J852 1/2W P961 (APM) D961 D801 SELU1E50CM-S J001 KCH30A15 LEVELE W001...
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Page 9: Parts Location
7. PARTS LOCATION P871 P201 HDAM-SA (PH01) HDAM (PM01) HDAM-SA PH01 HDAM JH02 PM01 RM09 JM01 DH01 2.2K 1SS176 RH01 DM01 QH03 1SS176 P211 DH03 RM01 RM02 RM07 RM08 2SA970 +OUT 1SS176 JH02 P971 DM02 1SS176 QH05 2SC2240 QH01 QM04 QM05 2SA970 2SA970... - Page 10 P501 Q505 - Q515(Odd number) Q517 Q503 Q501 Q815 Q506 - Q516(Even number) Q504 Q502 P851 Q851 P961 P801 Q801 Q802 Q901 Q902 Q803 Q804 Q903 Q904 Q905 P971...
- Page 11 P601 Q617 Q619 Q957 Q951 Q953 Q603 - Q613(Odd number) Q601 Q618 Q958 Q952 Q954 Q620 Q955 Q604 - Q614(Even number) Q602 P611 Q635 Q625 Q629 Q663 Q621 Q615 Q623 Q627 Q631 P621 Q636 Q632 Q628 Q624 Q616 Q622 Q634 Q630 Q626...
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Page 12: Exploded View And Parts List
W001 8. EXPLODED VIEW AND PARTS LIST 5 1 2 8 3 X 8 ( M) 5 1 5 0 J 0 0 8 , J 0 0 9 , J 0 1 0 , J 0 1 1 9 2 1 G 3 X 1 0 ( M) 9 2 7 Gx 2 9 0 2 Gx 4... - Page 13 FC50160030 FERRITE CORE TFCK-16-8-13 FC50160030 NOT STANDARD SPEAR PARTS 001S PACKING CASE 339J801010 002S /N/U PACKING CASE 339J805010 MASTER CARTON 003S CUSHION F 339J809070 004S CUSHION R 339J809080 NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
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Page 14: Electrical Parts List
9. ELECTRICAL PARTS LIST NOTE ON SAFETY FOR FUSIBLE RESISTOR : ASSIGNMENT OF COMMON PARTS CODES. RESISTORS The suppliers and their type numbers of fusible resistors : 1) GD05 × × × 140, Carbon film fixed resistor, ±5% 1/4W are as follows; : 2) GD05 ×... - Page 15 R521 2.2kΩ ±5% GA05222010 C609 R524 ELECT.470µF 80V GOLD TUNE OA47708010 R525 C612 681Ω ±1% 1/4W GM11468100 C613 R528 OF55103580 FILM 0.01µF 100V OF55103580 C616 NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
- Page 16 ±5% 1/6W : R629 R630 R637 R637 R661 10Ω ±5% 1/4W GG05100140 R638-R640 R809 R810 R815 R816 R663 10Ω ±5% 1/4W GG05100140 R854-R856 R901-R916 R918 R919 R665 10Ω ±5% 1/4W GG05100140 NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
- Page 17 10µF M 50V RA-2 OA10605020 C908 ELECT. 220µF M 25V RA-2 OA22702520 P851-RESISTORS C909 ELECT. 220µF M 25V RA-2 OA22702520 R851 NQ15022070 ROTOR 2.2Ω 7W NQ15022070 W/TEMP.FUSE NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
- Page 18 2.2kΩ ±5% 1/6W GD05222160 P981-R LED CIRCUIT BOARD C981 CER. 0.1µF +80%-20% 50V DC DD38104010 D981 HI10040080 L.E.D. SELU1E10CXM-S BLUE HI10040080 R991 2.2kΩ ±5% 1/6W GD05222160 NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.