Marantz 125 Service Manual

Page 2

Inarantl

PAG E
INTRODUCTION .................................................... 1
AM TUNER ......................................................... 1
FMTUNER ................................................ 3
TEST EQUIPMENT REQUIRED FOR SERVICING .......................... 6
PARTS LIST ......................................................... 19
TECHNICAL SPECIFICATIONS ......................................... 27
SERVICE INFORMATION FOR EUROPEAN MODEL ......................... 28
LIST OF ILLUSTRATIONS
PAGE
1. Block Diagram: Phase Locked Loop IC H301 ............................................................ 5
2. Test Equipment Required for Servicing .. 5
3. Dial Stringing ............. 8
4. Front Panel Adjustment and Component Locations ..... 9
5. Main Cfiafilsfiomponent Locations (Top View) ..... 9
6. Rear Panel Adjustment and Component Locations . 10
7. Main Chassis Component Locations (Bottom View) ...................... 10
8. AM Tuner Unit Assembly P150 Component Locations . 11
9. FM IF Amplifier Assembly P201 Component. Locations ............ '11 >
10. MPX Stereo Decoding Amplifier Assembly P300 Component Locations 12
11. Power Supply Assembly P400 Component Locations .................................... 12
12. Mono HI Blend Assembly PT01 Component Locations 13
13. Selector SW Assembly P301 Component Locations ........ 13
14. Indicator Lamp Assembly PY01 Component Locations 14
15. , ANT ATT Assembly PV01 Component Locations ........... 14
16. Trimming Resistor Assembly PW01 Component Locations .. . 14
17. Exploded Mechanical Diagram ....... .. 15
18. Schematic Diagram ...................................... 17
19. Rear Panel Adjustments and Component Locations forEuropean Model 28
20. Main Chassis Component Locations (Bottom View )for European Model ------- 28
21, Voltage Conversion Chart ........................................... 29
22. Schematic Diagram for European Model ............... . ..................... 31

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