This is the 28 pages manual for Marantz Model 28 Service Manual.
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TABLE OF CONTENTS
PAGE
Introduction ................................................................................................ 1
Service Notes ............................................................................................. 1
AM Tuner .................................................................................................. 2
FM Tuner ................................................................................................... 3
FM and AM Tuner Alignment ........................................................................ 6
Phono Amplifier .......................................................................................... 9
Main Amplifier .......................................................................................... 10
Power Supply Unit .................................................................................... 13
Test Equipments For Servicing"
Parts List ..................................................................................
LIST OF ILLUSTRATIONS
FIGURE
1. Dial Stringing Diagram ........................................................................ 14
2. Main Chassis Component Locations (Top View) --------------------------------------- 15
3. Main Chassis Component Locations (Bottom View) ------------------------------ 15
4. Rear Panel Adjustment and Component Locations -------------------------------------- 16
5. AM/FM/FM MPX Tuner Assembly P100 Component Locations .................. 16
6 FM Sub IF Amplifier Assembly P200 Component Locations ----------
7, PHONO Amplifier Assembly P300 Component Locations --------------------------- 17
8. Pre and Power Amplifier Assembly P400 Component Locations -------------- 17
9. Power Supply Assembly P500 Component Locations ------------------------------ 17
10. Tape Mon~Loudness~Low Filtervl-ligh Filter Assembly P600
Component Locations ...................................................... 17
11 Schematic Diagram .............................................................................. 18