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Detailed power, distortion, and frequency response for the amplifier section.
Covers PHONO, TUNER, CD, AUX, TAPE frequency response and tone control characteristics.
Includes power consumption, supply voltage, dimensions, and weight of the unit.
Explains conditions triggering protection and its purpose to prevent damage.
Guidelines for safely performing repairs and initial adjustments.
Lists sections for disassembling the unit and identifying components.
Provides pinouts and descriptions for transistors, diodes, and ICs.
Details the function of terminals for specific ICs like IC601 and IC401.
Details power supply circuit changes for the UK region.
Details power supply circuit changes for the Australian region.
Details power supply circuit changes for the XA region.
Instructions for setting the speaker impedance selector based on speaker impedance.
Notes on different power supply configurations for various regions.
Step-by-step guide to safely remove the unit's cabinet.
Step-by-step guide to remove the bottom board.
Step-by-step guide to remove the front panel assembly.
Procedures for removing the input selector printed circuit board.
Procedures for removing the balance/tone control printed circuit board.
Instructions for removing the main power integrated circuit.
Step-by-step guide to remove the sub panel.
Detailed pinout information for various semiconductor components.
Detailed function and description of each terminal for IC601.
Illustrates timing sequences for power on, DC detection, and operation modes.
Describes the function of each input/output pin for IC401.
Visual representation of timing signals for input selection and muting.
Wiring connections for the power transformer and speaker selector PCB.
Wiring connections for input selector, volume, and loudness control PCBs.
Wiring connections for tone control, balance, and micro-computer PCBs.
Component layout for the input/rec selector PCB.
Component layout for the tone/balance/tone control PCB.
Component layout for the micro-computer/LED drive PCB.
Component layout for the speaker selector PCB.
Component layout for the main amplifier and control circuitry.
Component layouts for AC input and power supply sections.
Illustrates signal flow through major functional blocks and components.
Shows how control signals and protection mechanisms operate.
Detailed schematic for the phono equalizer circuit using IC1.
Schematics for input/output switching using IC201 and IC202.
Detailed schematic for the micro-computer and LED drive functions.
Schematics for volume and loudness control sections.
Schematics for tone, balance, and subsonic filter controls.
Detailed schematic for the speaker selection mechanism.
Schematics for the main power amplifier and ICQ control circuitry.
Important notes and keys for interpreting the schematic diagrams.
List of integrated circuits used in the unit with their respective diagrams.
Comprehensive list of all resistors used, with part numbers and values.
Comprehensive list of all capacitors used, with part numbers and values.
Detailed list of replacement parts for integrated circuits, transistors, and diodes.
List of replacement parts for switches, connectors, and various hardware items.
Visual breakdown of the unit showing the arrangement of internal and external parts.
List and identification of packing materials used for the unit.
Visual guide to the placement of internal components, section B.
Visual guide to the placement of internal components, section C.
General
