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Sherwood RD-7502 Service Manual

Sherwood RD-7502
58 pages
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RD-7502
AUDIO/VIDEO RECEIVER
SAFETY PRECAUTIONS ................................... 1
SPECIFICATION ................................................. 2
VIDEO SECTION ................................................ 5
TUNER SECTION ............................................... 9
BLOCK DIAGRAMS ......................................... 11
WIRING DIAGRAM .......................................... 13
CIRCUIT DESCRIPTION ................................... 14
TUNER ALIGNMENT ....................................... 17
TROUBLESHOOTING ...................................... 18
MECHANICAL PARTS LIST ............................. 21
EXPLODED VIEW ............................................. 22
ELECTRICAL PARTS LIST ................................ 23
IC’S FUNCTIONAL BLOCK DIAGRAMS.......... 30
PRINTED CIRCUIT BOARDS ............................ 39
SCHEMATIC DIAGRAMS................................. 46
CONTENTS
R

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Sherwood RD-7502 Specifications

General IconGeneral
Channels5.1
Surround outputDolby Digital, DTS
Tuning rangeFM: 87.5 MHz - 108.0 MHz, AM: 530 kHz - 1710 kHz
Total Harmonic Distortion (THD)0.08%
Input Sensitivity200mV (line)
Signal-to-Noise Ratio100 dB
Digital inputscoaxial, optical
Video Connectionscomposite
Power Output100W per channel (8 ohms, 20Hz-20kHz, 0.08% THD)
Frequency Response10 Hz - 100 kHz

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