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Aiwa AD-F810 Service Manual

Aiwa AD-F810
24 pages
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Aiwa AD-F810 Specifications

General IconGeneral
BrandAiwa
ModelAD-F810
CategoryCassette Player
LanguageEnglish

Summary

Specifications

General Specifications

Details power supply, frequency response, S/N ratio, wow/flutter, tape speed, and recording system.

Heads, Inputs, Outputs, and Physicals

Describes head types, input/output specifications, dimensions, and weight.

Disassembly Instructions

Power Transformer Replacement Procedure

Instructions for replacing the power transformer, including safety precautions and adhesive use.

Accessories and Package List

Lists included accessories and package contents with part numbers.

Electrical Component Listings

Integrated Circuits, Transistors, and Diodes

Lists part numbers and descriptions for ICs, transistors, and diodes.

Main Circuit Board Components

Lists capacitors, coils, and resistors for the main circuit board.

Electrical Component Listings - Continued

Front and Headphone Circuit Board Parts

Details components for the front and headphone circuit boards.

Power, Jack, and Switch Board Components

Lists parts for power, jack, and switch circuit boards.

Mecha Board and Miscellaneous Electrical Parts

Covers mecha board components and other miscellaneous electrical parts.

Block Diagram Overview

System Signal Flow and Interconnections

Visual representation of how different circuit blocks and components interact.

IC Descriptions

LC6554H-4694 Pinout and Functions

Detailed pin assignments and functional descriptions for the LC6554H-4694 IC.

IC Descriptions - Continued

HA12142NT and LB1641 Block Diagrams

Illustrates the internal block structure of the HA12142NT and LB1641 ICs.

Wiring Diagram - 1

Main Circuit Board Wiring Layout

Shows the physical layout of the main PCB and its internal wiring connections.

Schematic Diagram - 1

Core Circuit Schematics and Signal Paths

Depicts the schematic diagrams for the primary functional blocks of the device.

Wiring Diagram - 2

Front and Power Circuit Board Wiring

Details the wiring connections for the front and power supply circuit boards.

Schematic Diagram - 2

Mecha and Front Circuit Board Schematics

Presents schematic diagrams for the mecha control and front panel circuits.

Adjustment Procedures

Initial Settings and Tape Speed Adjustment

Outlines initial setup parameters and the process for adjusting tape speed.

Azimuth and Playback Sensitivity Adjustments

Details procedures for adjusting azimuth alignment and playback sensitivity.

Adjustment Procedures - Continued

Frequency Response and Bias Adjustments

Covers adjustments for playback frequency response and bias oscillator frequency.

Head Position and Filter Adjustments

Explains procedures for erase head position and MPX filter adjustments.

Practical Service Figures

Performance Specifications and Test Tape Information

Lists key performance metrics like output levels, noise, distortion, and recommended test tapes.

Exploded Views - Mechanical Parts

Main Chassis and Front Panel Components

Illustrates the breakdown of the main chassis and front panel assemblies.

Mechanical Parts List

Cabinet, Front Panel, and Initial Mechanism Parts

Lists parts for the cabinet, front panel, and basic mechanism components.

Exploded Views - PCB Assemblies

Front, Power, and Mecha PCB Layouts

Shows exploded views of the front, power, and mecha circuit board assemblies.

Mechanical Parts List - Continued

Cords, Shields, and Small Component Parts

Lists various cords, shields, knobs, and other small mechanical parts.

Exploded Views - Mechanical Parts - Continued

Mechanism Sub-Assemblies and Fasteners

Illustrates detailed breakdowns of mechanism sub-assemblies and associated fasteners.

Mechanical Parts List - Continued

Mechanism Components, Springs, and Plates

Lists parts such as springs, levers, plates, and holders for the mechanism.

Exploded Views - Mechanical Parts - Continued

Motor, Switch, and PCB Components

Shows exploded views of motors, switches, and PCB mounting hardware.

Mechanical Parts List - Continued

Levers, Gears, and Springs for Mechanism

Lists specific levers, gears, springs, and cushions used in the mechanism.

Spring Application Diagrams

Spring Placement and Identification Guide

Diagrams showing the correct application and identification of various springs within the mechanism.

Printing the Service Manual

Printing Options for Schematics and Sections

Instructions on how to print full-size schematics, tiled versions, or specific sections.

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