Marantz 2245 - Page 3

TABLE OF CONTENTS
SECTION
PAGE
IMtroduCtion
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Phono
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Amplifiers
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Power Amplifier
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Power
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Speaker
Protector
Relay
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Suggestions
for
Trouble
Shooting
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Power Amplifier
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Voltage
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Test
Equipment
Required
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Servicing
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AM
Alignment
Procedure
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FM Alignment
Procedure
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STEREO
Separation
Alignment
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Muting
Circuit
Alignment
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Audio
Adjustment
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Parts
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SpeciHGatlONs
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29
LIST OF ILLUSTRATIONS
FIGURE PAGE
1. Remove the Terminal Cover .. 0.0... ccc eee eee ee ee 6
2. Voltage Conversion Chart ...............45 Rig ate a gee Wieriaha tg Yate edo aah es nea Os 7
3. Lissajou Figure on Oscilloscope .. 0.6... et tte ees 11
4. Dial Stringing s 3. sccicha ae diate walls or Oh Mi eae Gn ae Dee Eels Bie ag ee hee 11
5. Front Panel Adjustment and Component Locations ...........0 cece cece eee 12
6. Main Chassis Component Locations (Top View) .............0 000s e eee Bec Nghtits, 12
7. Rear Panel Adjustment and Component Locations ....... 6... cece cee eee es 13
8. Main Chassis Component Locations (Bottom View) ...... 0... cc cece ee eee eee 13
9. FM Front End Assembly P100 Component Locations. .......... 0.0.00. e eee 14
10. FM IF Amplifier Assembly P200 Component Locations ................0..00005 14
11. FM Detector Assembly P500 Component Locations ........ 0.00: cece eee ene 15
12. MPX Stereo Decoding Amplifier Assembly P300 Component Locations............ 15
13. Muting Control Amplitier Assembly P550 Component Locations ...............45 16 -
14. AM Tuner Unit Assembly P150 Component Locations ......... 0.0.0.0... 0b eee 16
15. Phono Amplifier Assembly P700 Component Locations ...................00005 17
16. Tone Amplifier Assembly P400 Component Locations ............... 00.00.00 17
17. Power Amplifier Assembly P750 Component Locations ...........0. ee cee eee 18
18. Regulated Power Supply and Protection Relay Circuit Assembly
P800 Component Locations ©2000... 0. eee eee ees 19
19. Loudness, High and Low Filter and Muting Switch Unit Assembly
P600 Component Locations ........ 00.0. eee eee ee eee 19
20. Schematic Diagram ©... 2.2 ee ees 20