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Marantz 2235 - Service Manual

Marantz 2235
44 pages
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Summary

Test Equipment Required for Servicing

AM Alignment Procedures

AM IF Alignment Steps

Procedure for aligning the AM Intermediate Frequency (IF) circuit.

AM Frequency Range and Tracking Alignment

Steps for aligning the AM frequency range and tracking circuits.

AM Signal Strength Meter Adjustment

Procedure to adjust the signal strength meter for AM tuning.

FM Alignment Procedures

FM Alignment Steps (87 MHz-109 MHz)

Detailed steps for aligning the FM tuner section across its frequency range.

FM Alignment Steps (90 MHz-106 MHz)

Steps for aligning FM coils and IF transformers for minimum distortion.

Discriminator Alignment

Procedure for adjusting the discriminator transformer for center tuning meter.

Signal Strength Meter Adjustment (FM)

Procedure to adjust signal strength meter for FM tuning.

Stereo Separation Alignment

Stereo Separation Alignment Steps

Steps to adjust for maximum and same separation in both stereo channels.

Muting Circuit Alignment

Audio Adjustment Procedures

Automatic Voltage Regulator Adjustment

Technical Specifications

Summary

Test Equipment Required for Servicing

AM Alignment Procedures

AM IF Alignment Steps

Procedure for aligning the AM Intermediate Frequency (IF) circuit.

AM Frequency Range and Tracking Alignment

Steps for aligning the AM frequency range and tracking circuits.

AM Signal Strength Meter Adjustment

Procedure to adjust the signal strength meter for AM tuning.

FM Alignment Procedures

FM Alignment Steps (87 MHz-109 MHz)

Detailed steps for aligning the FM tuner section across its frequency range.

FM Alignment Steps (90 MHz-106 MHz)

Steps for aligning FM coils and IF transformers for minimum distortion.

Discriminator Alignment

Procedure for adjusting the discriminator transformer for center tuning meter.

Signal Strength Meter Adjustment (FM)

Procedure to adjust signal strength meter for FM tuning.

Stereo Separation Alignment

Stereo Separation Alignment Steps

Steps to adjust for maximum and same separation in both stereo channels.

Muting Circuit Alignment

Audio Adjustment Procedures

Automatic Voltage Regulator Adjustment

Technical Specifications

Marantz 2235 Specifications

General IconGeneral
Power Output35 watts per channel into 8Ω (stereo)
Total Harmonic Distortion0.3%
Tuning RangeFM, MW
Damping Factor45
Input Sensitivity (line)150mV
Speaker Load Impedance4Ω to 16Ω
Semiconductors3 x IC
Weight12kg

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