Marantz 2120 Service Manual

Page 2

TABLE OF CONTENTS

Section Title Page
1. PW. BOARDS ....................................................................... 1
2. TEST EQUIPMENT REQUIRED FOR SERVICING ................................................. 2
3. AM ALIGNMENT PROCEDURES ......................................................... 2

3.1 AM IF Alignment ................................................................ 2
3.2 AM Frequency Range and Tracking Alignment .................................................. Z
4. FM ALIGNMENT PROCEDURES ........................................................... 2
4.1 FM Frequency Range and Tracking Alignment ............ 2
4.2 Stereo Separation and Distortion Alignment ............. 3
4.3 Muting Threshold Alignment ...................... 3
4.4 FM Output Level Adjustment ..................... 3
4.5 Record Level Tone Switch Adjustment ...................................................... 3
5. POWER SUPPLY ADJUSTMENT ............................................................ 3
li. VOLTAGE CONVERSION FOR EUROPEAN MODEL ............................................... 4
7. DIAGRAMS ........................................................................ 5
7.1 Block Diagram .................................................................... 5
7.2 Connection Diagram . U.S.A. & Canada ...................................................... 7
7.3 Connection Diagram - Europe ......................................................... 9
7.4 Schematic Diagram < U.S.A. 8: Canada ....................................................... II
7.5 Schematic Diagram - Europe .......................................................... 13
7.6 Tuner Board Schematic Diagram and Component Locations » P200 ................................... 15
7.7 FM Front End Board Schematic Diagram and Component Locations - P100 ............................... 19
7.8 Antenna Board Schematic Diagram and Component Locations - PCO1 .................................... 2|]
7.9 Dolby Socket Board Schematic Diagram and Component Locations - PKIJI ' U.S.A. & Canada ................. ' . . 2|)
7.11) Function Indicator Board Schematic Diagram and Component Locations - PVOI ...........
7.11 Switch Board Schematic Diagram and Component Locations - PSO1 .................
7.12 Dial Lamp Board Schematic Diagram and Component Locations - PZD1 ................................... 21
8. MAJOR COMPONENT LOCATIONS .......................................................... 22
8.1 Cabinet - Front View - U.S.A. & Canada .....
8.2 Chassis - Top View - U.S.A. 8. Canada ....................
5.3 Cabinet - Rear View - U.S.A. & Canada .....................
8.4 Chassis - Bottom View - U.S.A. 8i Canada ................................................... 23
9. EXFLUDED VIEWS .................................................................... 24
9.1 Packing Material Exploded View .......................................................... 24
9.2 Mechanical Exploded View ............................................................. 25
Ill. PARTS LIST ........................................................................ 27
11. TECHNICAL SPECIFICATIONS ............................................................ 34