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Onkyo T-4087 User Manual

Onkyo T-4087
22 pages
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Onkyo T-4087 Specifications

General IconGeneral
Tuning BandsFM, MW
Signal to Noise Ratio FM70 dB
Signal to Noise Ratio AM40 dB
Distortion AM0.8%
TypeAM/FM Tuner
Tuning Range FM87.5 MHz - 108.0 MHz
Tuning Range MW522 kHz - 1611 kHz
FM Sensitivity1.0 µV (IHF)
Frequency Response30 - 15, 000 Hz

Summary

SAFETY-RELATED COMPONENT WARNING!!

SPECIFICATIONS

SERVICE PROCEDURES

Replacement of lamp

Instructions for replacing the unit's lamps.

Safety-check output

Safety check procedure for U.S.A. models.

Change of band step/de-emphasis

Adjusting band step and de-emphasis settings on the unit.

Change of voltage

Guidance on selecting the correct voltage for the unit.

Memory preservation

Explanation of the unit's memory backup system.

BLOCK DIAGRAM

EXPLODED VIEW

PARTS LIST

MICROCOMPUTER OPERATION

ADJUSTMENT PROCEDURES

FM SECTION

Adjustment procedures specific to the FM receiver section.

AM SECTION

9kHz step models

IC BLOCK DIAGRAM

SCHEMATIC DIAGRAM

CHANGE OF PARTS

PRINTED CIRCUIT BOARD-PARTS LIST

PRINTED CIRCUIT BOARD VIEW FROM BOTTOM SIDE (Digital Circuit)

PRINTED CIRCUIT BOARD VIEW FROM BOTTOM SIDE (Display Circuit)

PACKING VIEW

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