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Onkyo TA-630D

Onkyo TA-630D
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SERIAL
NO.
3055
ONKYO.
SERVICE
MANUAL
y
STEREO
CASSETTE
TAPE
DECK
Model
TA-630D
JA‘6
30D
Stormo
Cessee
Pape
Ue
«
(XP
Tage
Censither
Memary
ACCU
Bias
efi
Chonast
Right
Shaan
Bally
NR
Lepast
Crt
mut
Level
Selector
:
ONKYO.
AUDIO
COMPONENTS
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Onkyo TA-630D Specifications

General IconGeneral
Heads1 x record/playback, 1 x erase
Track System4-track, 2-channel stereo
Tape Speed4.8 cm/s
MotorDC servo motor
Tape TypeType I, CrO2, Metal
InputsLine
Typesingle compact cassette deck
Noise ReductionDolby B
Frequency Response20Hz to 17kHz (Metal tape)
Output0.5V (line)
OutputsLine
Dimensions435 x 112 x 313mm

Summary

Specifications

Block Diagram

Exploded View

Component Location

USA Model Component Locations

Lists component positions specific to the U.S.A. model.

Universal Model Component Locations

Lists component positions specific to the Universal model.

Circuit Description

Accurate Bias Circuit Operation

Details the Accu-Bias control for optimal tape recording performance.

Timer Start Functionality

Describes the timer feature for automatic recording or alarm use.

Circuit Description (Continued)

Memory Rewind & Auto Stop Functions

Explains memory rewind and auto-stop tape transport functions.

Mechanical Operations

Drive System Overview

Details the belt drive systems for flywheel and reels.

Mechanical Operations (Continued)

Auto-Stop Mechanism Details

Further explanation of the auto-stop detection and operation.

Disassembling Instructions

Cassette Chassis & Front Panel Removal

Procedures for removing the cassette chassis and front panel.

Disassembling Instructions (Continued)

Component Replacement (Reels, Motor, Belts)

Instructions for replacing key mechanical components like reels, motor, belts.

Mechanism Adjustments

Door Speed & Play Torque Adjustment

How to adjust door speed and tape tension during playback.

Electrical Adjustment Procedures

Adjustment Precautions & Playback Calibration

Safety notes and calibration for playback functions (azimuth, speed, output).

Recording Calibration (Bias, Level)

Procedures for setting bias and output levels for recording.

Electrical Adjustment Procedures (Continued)

Recording Filter & Dolby Calibration

Adjusting the 19 kHz filter and Dolby circuits for recording.

Record Bias & Output Level Fine-Tuning

Fine-tuning record bias and output levels for optimal recording.

Accu. Bias Circuit Adjustment

Dolby FM Level Adjustment

Service Guide

Voltage Conversion (Universal Model)

Instructions for changing the unit's voltage setting for different regions.

Parts List

Amplifier & FM Dolby PC Board Parts

Component lists for the amplifier and FM Dolby circuit boards.

Indicator & Mic Circuit PC Board Parts

Component lists for indicator and microphone circuit boards.

Peak & Filter Circuit PC Board Parts

Component lists for the peak indicator and filter circuit boards.

Packing Procedures

USA & Universal Model Packing

Specific packing instructions for USA and Universal models.

Mechanism Exploded View

Mechanism Parts List

Comprehensive list of mechanical parts with reference numbers.

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