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Explains the AM signal path, components, and amplification stages.
Provides steps for diagnosing AM tuner issues, including signal strength and oscillator checks.
Describes the FM tuner's functional blocks: front end, IF, and detector.
Explains the muting circuit and MPX stereo decoding process.
Guides on diagnosing FM reception and stereo separation issues.
Covers AM IF, frequency range, tracking, and FM stereo separation/muting alignment.
Lists essential test equipment for servicing the Marantz Model 115 Tuner.
Comprehensive list of parts, their reference designators, and Marantz part numbers.
Details electrical and performance specifications for the FM and AM sections.
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