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General| Brand | Sony |
|---|---|
| Model | HCD-DX7 |
| Category | Stereo System |
| Language | English |
Details RMS power output and THD for US models.
Covers CD, Tape, Tuner, and general performance specifications.
Methods and guidelines for checking AC leakage on exposed metal parts.
Precautions for handling optical pick-up and laser diode emission safely.
Cautions for chip component replacement and flexible board repair.
Specific notes and procedures for installing the panel board.
Identification of buttons, knobs, and jacks on the front panel.
Instructions for speaker placement and attaching speaker pads.
Procedure for setting the system's clock time.
Steps to remove the upper case and loading panel.
Instructions for removing the front panel and tape mechanism deck.
Procedures for removing Panel, Sub-Trans, and Trans boards.
Instructions for removing Main, Amplifier, and Head boards.
Steps for base unit disassembly and driver board removal.
Test modes including MC resets and CD operational tests.
Test modes for MW tuner step, GC system, and MC.
Aging mode procedures and error code display information.
Details aging mode operation sequences and function change mode.
Precautions and torque specifications for mechanical adjustments.
Electrical adjustments for head azimuth and playback levels.
Electrical adjustments for record bias and level settings.
Electrical adjustments for FM tuner and CD performance checks.
Identification of circuit board locations and example waveforms.
Signal flow block diagrams for Tuner, CD, and Main sections.
Printed wiring board layouts for BD, Main, and Panel sections.
Schematic diagrams for BD and Main (1/3) sections.
Schematic diagrams for Main (2/3) and (3/3) sections.
PWB and schematic diagrams for Power Amp section.
PWB and schematic diagrams for Driver, Trans, and ICs.
Pin function descriptions and block diagrams for key ICs.
Exploded view of the main unit assembly.
Exploded view of the panel section assembly.
Exploded views for Main, Trans, and Power Amp boards.
Exploded views for Tape and CD mechanisms.
Exploded view of the CD mechanism deck.
Parts list for BD, CD Switch, Driver, Head, and Leaf SW sections.
Comprehensive list of Main board components across multiple pages.
Comprehensive list of Panel board components across multiple pages.
Parts list for Power Amp, Sensor, Sub-Trans, and Trans boards.
