Marantz SR 50 L Service Manual

Page 1

Service 74 SO/W
M a n u 3' Audio/Video stereo receiver

I.
TABLE OF CONTENTS T
SECTION PAGE
1. BLOCK DIAGRAM ............................................. ...1
2. SCHEMATIC DIAGRAM AND PARTS LOCATION (Pattern side) ......... . . I . 3
3. EXPLODED VIEw AND PARTS LIST ...................................................... 17
4. TEST EQUIPMENT REQUIRED FOR SERVICING ............................................ 18
5 IDLING CURRENT ADJUSTMENT ........................................................ 19
6. VOLTAGE CONVERSION ............................................................... 19
7. HOW TO CHANGE THE SUPPLY VOLTAGE ................................................ 19
8. SERVICE PROGRAM ................................................................... 20
9. TUNER ALIGMENT PROCEDURS ........................................................ 20
1o. ALIGMENT AND TEST POINT ........................................................... 23
11. TUNER MICROPROCESSOR SPECIFICATIONS ............................................. 23
12. ELECTRICAL PARTS LIST .............................................................. 25

ma rant 1 ®
model SR-SOL

First issue: 1990

4822 725 50917