AIWA AX-7400EE/UK Service Manual
This document serves as the comprehensive service manual for the AIWA AX-7400EE and AX-7400UK audio receivers. It is intended for service technicians and provides detailed information required for the maintenance, repair, and adjustment of these audio units.
Document Contents
The manual includes the following key sections:
- Specifications: Detailed technical data for the AX-7400EE and AX-7400UK models, covering general, pre-amp, tuner (FM/AM), phono, tape, AUX, and control main amp sections.
- Disassembly Instructions: Step-by-step guidance on how to dismantle the unit, including procedures for removing the top panel, front panel, tuner circuit board, switch circuit board, main amp/power circuit board, muting circuit board, control circuit board, and speaker switch circuit board.
- Exploded Views and Parts Lists: Visual representations of the unit's components with corresponding detailed parts lists, categorized by mechanical and electrical parts.
- Schematic Diagrams: Circuit diagrams illustrating the internal electronic connections for various sections like FM/AM tuner, main amp, power supply, and control systems.
- Wiring Diagrams: Detailed diagrams showing the physical wiring connections between different circuit boards and components.
- Adjustment Procedures: Instructions for calibrating and aligning specific sections, including AM-IF, AM-RF, FM-IF, FM-RF, and MPX adjustments, along with level diagrams.
- Electrical Parts List: A comprehensive list of electronic components used in the various circuit board sections (Tuner, Control, EQ, Main Amp/Power, Switch, Speaker, Muting, Speaker Terminal, ANT, Lamp, Meter, Transistor, Fuse).
Due to the extensive nature of the diagrams, exploded views, and parts lists, this HTML representation provides a summary. For full technical details and visual references, please consult the original document.