toshiba ct 90275 owner's manual

The Toshiba CT 90275 is a versatile audio cassette deck with Dolby noise reduction, auto-reverse playback, metal tape compatibility, bias adjustment, recording level meters, timer functions, and remote control capability. Features include three-head design for monitoring, pitch control, and multiple input/output options. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Recording and Playback 8. Special Functions 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Three-head design, Dolby B/C noise reduction, auto-reverse mechanism, metal/normal tape selector, recording level meters, pitch control, timer functions.

Feature	Description
Three-head design	Separate record and playback heads for monitoring
Dolby B/C NR	Noise reduction systems for improved sound quality
Auto-reverse	Automatic tape direction reversal
Metal tape compatibility	Supports metal, chrome, and normal tapes
Bias adjustment	Fine-tuning for different tape types
Recording level meters	VU meters for monitoring recording levels
Pitch control	±8% speed adjustment
Timer functions	Programmable recording and playback
Remote control	Optional remote operation
Input/output jacks	RCA connectors for audio connections

Installation

Unpack and inspect contents. Place on stable, level surface.

Connect audio sources: Use INPUT jacks for turntable, CD player, or other audio sources.
Connect to amplifier: Use OUTPUT jacks to amplifier or receiver.
Connect power cord: Plug into AC power outlet.
Ground connection: Connect ground wire if using turntable.

WARNING! Keep away from heat sources and moisture. Ensure proper ventilation.

First-Time Setup

Power on deck; perform initial configuration.

Select tape type: Set TAPE SELECTOR to match cassette type (Normal, CrO2, Metal).
Adjust bias: Use BIAS control for optimal frequency response.
Set recording levels: Test recording levels with source material.
Configure Dolby NR: Select Dolby B or C based on tape quality.

CAUTION! Handle cassettes carefully; avoid touching tape surface.

Specifications

Frequency Response: 20Hz-20kHz (Metal tape)
Signal-to-Noise Ratio: 72dB with Dolby C
Wow and Flutter: 0.025% WRMS
Tape Compatibility: Normal, Chrome, Metal
Inputs: Line IN, Mic IN
Outputs: Line OUT, Headphone
Power Requirements: 120V AC, 60Hz
Dimensions: 430mm (W) x 125mm (H) x 315mm (D)
Weight: 6.5kg

Controls and Settings

Front panel controls: POWER, PLAY, RECORD, STOP, PAUSE, FF, REW, EJECT.

Recording controls: REC LEVEL, BALANCE, TAPE SELECT, DOLBY NR.

Monitoring: SOURCE/TAPE selector, VU meters. Special functions: AUTO REVERSE, PITCH CONTROL, TIMER SET. Display: Counter, timer indicators, recording indicators.

Connecting Devices

Audio sources: Turntable, CD player, tuner. Output: Amplifier, headphones.

Turn off all devices before connecting.
Use quality RCA cables for audio connections.
Connect ground wire when using turntable.
Set input selector to match connected source.

Tip: Use shielded cables to reduce noise interference.

Recording and Playback

Supports standard and metal cassettes.

Insert cassette: Press EJECT, load cassette label side out.
Recording: Press RECORD + PLAY simultaneously; adjust levels.
Playback: Press PLAY; use FF/REW for navigation.
Auto-reverse: Deck automatically reverses at tape end.
Monitoring: Switch between source and tape monitoring.
Dubbing: Connect two decks for tape copying.
Timer recording: Set timer for automatic recording.

WARNING! Do not leave cassettes in deck when not in use.

Special Functions

Auto-reverse: Continuous playback without manual flipping. Pitch control: Speed adjustment for musical tuning. Timer functions: Programmed recording/playback. Memory stop: Automatic stop at preset counter position.

Care & Maintenance

Regular cleaning of heads, capstan, and pinch roller. Demagnetize heads periodically. Store in dry, dust-free environment.

CAUTION! Use proper cleaning cassettes; avoid liquid cleaners.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
No sound during playback	Dirty heads/connections	Clean heads; check audio connections.
Poor recording quality	Incorrect bias/tape type	Adjust bias; verify tape type selection.
Tape not moving	Belt drive issues	Check drive belt; service if necessary.
Auto-reverse not working	Mechanical sensor	Clean sensors; check mechanism.
Speed variation	Motor/pitch control	Adjust pitch control; service motor.

Reset: Power cycle unit if functions abnormal.

Service: Contact authorized Toshiba service center.