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Sony STR-DE235 Service Manual

Sony STR-DE235
34 pages
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MICROFILM
SERVICE MANUAL
FM STEREO/FM-AM RECEIVER
AEP Model
UK Model
STR-DE235
SPECIFICATIONS
– Continued on next page –
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Sony STR-DE235 Specifications

General IconGeneral
Number of Channels2
Total Harmonic Distortion0.09%
Signal to Noise Ratio98 dB
Preset Stations30
Tuning rangeFM, AM
Frequency Response10 Hz - 100 kHz
Input Sensitivity200 mV (line)
OutputSpeaker
Speaker Load Impedance8 ohms
InputsTape
OutputsVideo
Power Output100 watts per channel (8 ohms)

Summary

Specifications

Amplifier Section

Details on power output and surround mode capabilities.

Tuner Section

Specifications for FM and AM tuner performance, including sensitivity and selectivity.

Section 1 General

Location of Controls

Identifies and labels all front and rear panel controls and connectors.

Section 2 Disassembly

Case Section

Procedure for removing the outer case of the unit.

Front Panel Section

Steps for detaching the front panel assembly.

Section 3 Test Mode

Initialization Mode

Clears all preset data, returning the unit to factory default settings.

Fluorescent Indicator Tube Test Mode

Activates all segments of the fluorescent display for testing.

Auto-Betical Check Mode

Performs auto-scanning and memory function for RDS stations.

Software Version Display Mode

Displays the current software version of the unit.

Sound Field Setting Clear Mode

Clears all previously set sound field configurations.

Section 4 Diagrams

Block Diagrams

Overview of the unit's functional blocks and signal paths.

Notes for Diagram Interpretation

Provides guidance on interpreting schematic and wiring diagrams.

Printed Wiring Boards

Layouts of the printed circuit boards for various sections.

Schematic Diagrams

Detailed circuit schematics for main, panel, and tone/volume boards.

IC Diagrams and Pin Functions

Block diagrams of integrated circuits and their pin descriptions.

Section 5 Exploded Views

Case Section Exploded View

Diagram showing parts breakdown for the unit's case.

Front Panel Section Exploded View

Diagram illustrating the assembly of the front panel components.

Chassis Section Exploded View

Diagram detailing the internal chassis and component layout.

Section 6 Electrical Parts List

Display and Key Board Parts

List of electrical components for the display and key boards.

Main Board Parts

Comprehensive list of components used on the main circuit board.

Power Switch, Primary, Secondary, SP SW, Standby, Tone Board Parts

Components for power switch, primary, secondary, SP SW, standby, and tone boards.

Tone and Volume Board Parts

List of electrical components for the tone and volume control boards.

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