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Aiwa AV-DV75 HC User Manual

Aiwa AV-DV75 HC
36 pages
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STEREO AV RECEIVER
AV-DV75
S/M Code No. 09-994-324-8N3
HC
SERVICE MANUAL
DATA
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Aiwa AV-DV75 HC Specifications

General IconGeneral
BrandAiwa
ModelAV-DV75 HC
CategoryReceiver
LanguageEnglish

Summary

Specifications

FM Tuner Section Specifications

Tuning range, usable sensitivity, and antenna terminals for FM.

AM Tuner Section Specifications

Tuning range, usable sensitivity, and antenna for AM.

Amplifier Section Specifications

Power output, total harmonic distortion, and input specifications.

General Specifications

Power requirements, consumption, dimensions, weight, and trademarks.

Accessories and Package List

List of included accessories and package contents.

Electrical Main Parts List

Integrated Circuits (IC) List

List of integrated circuits used in the main parts.

Transistor List

List of transistors used in the main parts.

Diode List

List of diodes used in the main parts.

Main Circuit Board Components

List of components for the Main Circuit Board (C.B.).

Capacitor List (Main C.B.)

List of capacitors on the Main Circuit Board (C.B.).

Capacitor List (Continued)

Continuation of the capacitor list for various circuit boards.

Capacitor List (Tuner C.B.)

List of capacitors for the Tuner Circuit Board (C.B.).

Capacitor List (Video C.B.)

List of capacitors for the Video Circuit Board (C.B.).

Capacitor List (Dolby Digital C.B.)

List of capacitors for the Dolby Digital Circuit Board (C.B.).

Capacitor List (GEQ C.B.)

List of capacitors for the Graphic Equalizer Circuit Board (C.B.).

Chip Resistor Part Code Explanation

Explanation of chip resistor part coding and dimensions.

Mechanical Parts List 1/1

List of mechanical parts with part numbers and descriptions.

Transistor Illustrations

Transistor Pin Configurations

Diagrams showing pin configurations for various transistors.

Block Diagrams

Audio and Tuner Block Diagrams

Block diagrams for microphone, tuner, and Dolby digital circuits.

Main and Video Circuit Block Diagrams

Block diagrams for main, video, front, and OSD/key circuits.

Main Circuit Board Wiring Diagram

Front Circuit Board Connections

Wiring diagram showing connections to/from the Front C.B.

Speaker Circuit Board Connections

Wiring diagram showing connections to the Speaker C.B.

Dolby Circuit Board Connections

Wiring diagram showing connections to/from the Dolby C.B.

Main Circuit Schematic Diagram 1/2

Main C.B. Schematic Details

Detailed schematic of the Main Circuit Board.

Front C.B. Schematic Details

Detailed schematic of the Front Circuit Board.

Speaker Circuit Board Wiring Diagram

Speaker C.B. Layout

Physical layout of the Speaker Circuit Board.

Speaker C.B. Connection Schematic

Schematic of speaker connections and wiring.

Main Circuit Schematic Diagram 2/2

Main C.B. Schematic Details (Continued)

Further schematic details of the Main Circuit Board.

Front Circuit Board Wiring Diagram

Front C.B. Component Layout

Wiring and component layout for the Front Circuit Board.

Front Circuit Schematic Diagram

Front C.B. Input/Output Signals

Schematic detailing input/output signals on the Front C.B.

Tuner Circuit Board Wiring Diagram

Tuner C.B. Component Layout

Wiring and component layout for the Tuner Circuit Board.

Tuner Circuit Schematic Diagram

Tuner C.B. Signal Flow

Schematic showing signal flow within the Tuner Circuit Board.

Dolby Digital Circuit Board Wiring Diagram

Dolby C.B. Component Layout

Wiring and component layout for the Dolby Digital Circuit Board.

Dolby Digital Circuit Schematic Diagram

Dolby C.B. Internal Connections

Schematic showing internal connections of the Dolby Digital Circuit Board.

HP/Video/GEQ Circuit Board Wiring Diagram

Video C.B. Layout and Connections

Wiring and layout for the Video Circuit Board.

GEQ C.B. Layout and Connections

Wiring and layout for the Graphic Equalizer Circuit Board.

HP/Video/GEQ Circuit Schematic Diagram

Video C.B. Schematic Details

Schematic details of the Video Circuit Board.

GEQ C.B. Schematic Details

Schematic details of the Graphic Equalizer Circuit Board.

AC/PT Circuit Board Wiring Diagram

PT C.B. Wiring and Layout

Wiring and layout for the Power Transformer Circuit Board.

AC-SW C.B. Wiring and Layout

Wiring and layout for the AC Switch Circuit Board.

AC/PT Circuit Schematic Diagram

PT C.B. Schematic Details

Schematic details of the Power Transformer Circuit Board.

AC-SW C.B. Schematic Details

Schematic details of the AC Switch Circuit Board.

OSD/Key/Mic Circuit Board Wiring Diagram

OSD/Key C.B. Layout and Connections

Wiring and layout for the OSD/Key Control Circuit Board.

Mic C.B. Layout and Connections

Wiring and layout for the Microphone Circuit Board.

OSD/Key/Mic Circuit Schematic Diagram

Mic C.B. Schematic Details

Schematic details of the Microphone Circuit Board.

OSD/Key C.B. Schematic Details

Schematic details of the OSD/Key Control Circuit Board.

Electrical Adjustments

Tuner Section Adjustments

Procedure for adjusting tuner section parameters.

AM IF and Tracking Adjustments

Adjustments for AM Intermediate Frequency and tracking.

FM VT and DC Balance Adjustments

Adjustments for FM Voltage Tuning and DC Balance.

Anode Connection Grid Assignment

Grid assignment and anode connection details for the FL display.

IC Block Diagrams

BU4094BCF IC Block Diagram

Block diagram and truth table for the BU4094BCF IC.

M62431FP IC Block Diagram

Block diagram for the M62431FP IC.

BA3880S IC Block Diagram

Block diagram for the BA3880S IC.

Integrated Circuit Diagrams

CS4226 IC Diagram

Diagram for the CS4226 IC, including its control port.

CS4926 IC Diagram

Diagram for the CS4926 IC, showing interface and processing.

BA7625 IC Diagram

Diagram for the BA7625 IC, showing input/output pins.

Integrated Circuit Diagrams (Continued)

M62439SP IC Diagram

Diagram for the M62439SP IC, showing input/output switches.

LC72131D IC Diagram

Diagram for the LC72131D IC, showing counter and logic.

BA033ST IC Diagram

Diagram for the BA033ST IC, showing voltage regulator.

Integrated Circuit Diagrams (Continued)

TC4053BF IC Diagram

Diagram for the TC4053BF IC, showing logic level converter.

M65849BFP631D IC Diagram

Diagram for the M65849BFP631D IC, showing logic and interface.

M65847AFP IC Diagram

Diagram for the M65847AFP IC, showing A/D, D/A, and logic.

IC Descriptions

UPD780228GF IC Description

Detailed description of the UPD780228GF IC pins and functions.

Mechanical Exploded View

Chassis Main Assembly

Exploded view of the main chassis assembly and its parts.

Front Panel Assembly

Exploded view of the front panel assembly and its parts.

Bottom Plate Assembly

Exploded view of the bottom plate assembly and its parts.

Mechanical Parts List

Mechanical Part Numbers and Descriptions

List of mechanical parts with part numbers and descriptions.

Color Name Table

Table mapping color symbols to their corresponding color names.

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