Marantz 2330 B Service Manual

Page 2

TABLE OF CONTENTS

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

3.1 AM IF Alignment .................................................................. 2
3.2 AM Frequency, Range and Tracking Alignment ................................................. 2

3.3 AM Signal Strength Meter Alignment ....................................................... 2

4. FM ALIGNMENT PROCEDURES ........................................................... 2
4.1 FM Frequency Range and Tracking Alignment ................................................. 2
4.2 Stereo Separation Alignment ............................................................ 2
4.3 Mutiny Circuit Alignment ............................................................. 2
4.4 Dolby FM Tape Output Setting .......................................................... 2

5. AUDIO ADJUSTMENT .................................................................. 2
6. VOLTAGE CONVERSION FOR EUROPEAN MODEL ............................................... 3
7. DIAGRAMS ........................................................................ 5
7.1 Block Diagram .................................................................... 5

7.2 Connection Diagram - U.S.A. & Canada ..................................................... 7

7.3 Connection Diagram - Europe ........................................................... 9

8. SCHEMATIC DIAGRAM AND COMPONENT LOCATIONS ............................................ 11
8.1 AMIFM Front End Circuit Board P100 ...................................................... 11
8.2 AMIFM IF & MPX Decoder Circuit Board P200 ................................................. 12
8.3 Phone Amp Circuit Board P400 .......................................................... 13
8.4 Main Amp Circuit Board P700 ........................................................... 14
8.5 Power Supply and Protection Relay Circuit Board P800 ............................................ 15

8.6 Pre and Tune Amp Circuit Board PE01 ...................................................... 16
8.7 Filter, Tape Monitor and Tape Copy Switches Circuit Board PHDI ...................................... 17

8.8 Dolby Socket Circuit Board PKOI - U.S.A. & Canada .............................................. 18

8.9 Function Lamp Circuit Board PY01 ....................................................... 18
8.10 Dial Lamp Circuit Board P201 ........................................................... 18
8.11 FM Antenna Balun and Muting Level Circuit Board PC01 ........................................... 18
8.12 FM Muting, Multipath and Speaker Switches Circuit Board PU01 ....................................... 19

9. MAJOR COMPONENT LOCATIONS .......................................................... 20
0.1 Cabinet - Front View ................................................................ 20
9.2 Chassis - Top View ................................................................. 20
9.3 Cabinet - Rear View ................................................................. 21
9.4 Chassis - Bottom View ............................................................... 21

10. EXPLODED VIEWS .................................................................... 22
10.1 Rear Panel Exploded View ~ 3.11. & Canada .................................................. 22
10.2 Rear Panel Exploded View - Europe ....................................................... 22
10.3 Front Panel Exploded View ............................................................ 23
10.4 Chassis Exploded View ............................................................... 25
10.5 Packing Material Exploded View ......................................................... 27

11. PARTS LIST ........................................................................ 28
12. TECHNICAL SPECIFICATIONS ........................................................... 41

13.

SCHEMATIC DIAGRAMS ................................................................ 43