TABLE OF CONTENTS
SECTION PAGE
INTRODUCTION 1
1. P.W. BOARDS 1
2. TEST EQUIPMENT REQUIRED FOR SERVICING 2
3. VOLTAGE CONVERSION 2
4. ADJUSTMENT PROCEDURE 3
5. BLOCK DIAGRAM 4
6. SCHEMATIC DIAGRAM AND COMPONENT LOCATIONS 5
6.1 Tone/Tape 1, 2/VCR/Muting Assembly (PTOO) Schematic Diagram and Component Locations 5
6.2 Speaker Muting Pelay Assembly (PR00) Schematic Diagram and Component Locations 5
6.3 Tone (L) Assembly (PE01) Schematic Diagram and Component Locations 6
6.4 Tone (R) Assembly (PE02) Schematic Diagram and Component Locations 6
6.5 Phone/Speaker Selector Assembly (PR50) Schematic Diagram and Component Locations 6
6.6 Power Amp.(L) Assembly (P600) Schematic Diagram and Component Locations 7
6.7 Power Amp.(R) Assembly (P700) Schematic Diagram and Component Locations 7
6.8 Soft Start Assembly (PN50) Schembly Diagram and Component Locations 9
6.9 Tape Play/Rec/VCR Assembly (PW00) Schematic Diagram and Component Locations 9
6.10 Comparator/Protect/Supply Assembly (PN00) Schematic Diagram and Component Locations 10
6.11 Main Volume Assembly (PQ00) Schematic Diagram and Component Locations 10
6.12 Phono Amp/Input Selector Assembly (P400) Schematic Diagram and Component Locations 11
6.13 Function Selector Assembly (PV00) Schematic Diagram and Component Locations 12
6.14 Function LED Assembly (PY00) Schematic Diagram and Component Locations 13
6.15 CD Direct/Balance etc. Assembly (PK00) Schematic Diagram and Component Locations 13
6.16 Power Transistor Assembly (PL00) Schematic Diagram and Component Locations 14
6.17 Flat Amp/Supply Assembly (PG00) Schematic Diagram and Component Locations 14
6.18 Tape/VCR/Muting Indicator Assembly (PZ00) Schematic Diagram and Component Locations 15
7. EXPLODED VIEW AND PARTS LIST 16
8. ELECTRICAL PARTS LIST 21
9. TECHNICAL SPECIFICATIONS 29
10. SCHEMATIC DIAGRAM 30
How to use this service manual
• The "Common parts" which Marantz Japan, Inc. has established are eliminated from this
service manual.
• These "Common parts" are applied to all models in the service manuals arranged and
issued
by MJI.
• To indicate clearly the common parts in the schematic diagram, a line is drawn above or
under the Ref. Desig. No. of applicable parts.
• "Common parts" can be supplied from the Marantz service center as ever.
In case of ordering, please establish the parts number of 10 figures following the procedure
mentioned in this service manual "How to establish the parts number for common parts".
(NOTE)
When you order parts to the Marantz parts center, please take notice of the following points.
1) Please correctly write the parts number of 10 figures following the rule.
2) Since ordering parts by the Ref. Desig. No. or ratings indicated in the schematic
diagram
does not satisfy the above conditions, the Marantz parts supply system does not work
properly.
As this case is apt to cause a trouble, please pay attention to it.
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