Sony ICF-990L Radio User Manual

The Sony ICF-990L is a high-performance portable radio featuring AM/FM/SW reception, digital tuning with PLL synthesizer, 30 station presets (20 FM, 10 AM), auto-scan and manual tuning, large LCD display with backlight, built-in stereo speakers, headphone jack, external antenna input, AC/DC power operation, sleep timer, and alarm clock functions. Powered by AC adapter or 4 D batteries. 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. Advanced Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Digital tuner with PLL synthesizer, LCD display, Stereo speakers, Headphone jack, External antenna terminal, AC power input, Battery compartment.

Feature	Description
AM/FM/SW bands	Receives AM, FM stereo, and Shortwave bands
Digital tuning	PLL synthesizer for stable reception
30 station presets	20 FM and 10 AM presets for quick access
Auto-scan tuning	Automatically finds and stops at stations
LCD display with backlight	Shows frequency, time, band, and battery status
Stereo speakers	Built-in for rich sound quality
Headphone jack (3.5mm)	For private listening
External antenna terminal	For improved SW reception
AC/DC power	Operates on AC adapter or 4 D batteries
Sleep timer & alarm	Auto power-off and wake-up functions

Installation

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

Insert batteries: Open battery compartment, insert 4 D batteries observing polarity.
Connect AC adapter: Plug adapter into DC IN jack and wall outlet (optional).
Extend telescopic antenna: For FM/SW reception.
Connect external antenna: For improved SW reception (optional).

WARNING! Use correct battery type; do not mix old and new batteries. Ensure proper ventilation.

First-Time Setup

Power on radio; follow initial setup prompts.

Set time: Press CLOCK button, use TUNING buttons to set hour/minute.
Select band: Press BAND button to choose AM, FM, or SW.
Tune stations: Use AUTO SCAN or manual TUNING buttons.
Save presets: Tune to desired station, press MEMORY, then preset number.
Adjust volume: Use VOLUME control knob.

CAUTION! Keep away from moisture and extreme temperatures.

Specifications

Frequency Range: FM: 87.5-108 MHz, AM: 530-1710 kHz, SW: 2.3-22 MHz.
Tuning System: PLL synthesizer digital tuning.
Preset Memory: 30 stations (20 FM, 10 AM).
Power Supply: AC 120V 60Hz (via adapter) or DC 6V (4 x D batteries).
Speaker: 2 x 3" dynamic speakers (stereo).
Output: Headphone jack (3.5mm, 32Ω).
Antenna: Telescopic rod for FM/SW; built-in ferrite bar for AM.
Display: LCD with EL backlight.
Dimensions: Approx. 12" W x 7" H x 4" D.
Weight: Approx. 3.5 lbs (without batteries).

Controls and Settings

Front Panel: POWER button, VOLUME knob, BAND selector, TUNING buttons, PRESET buttons, LCD display.

Top/Side Controls: Telescopic antenna, Headphone jack, DC IN jack, External antenna terminal.

Tuning: AUTO SCAN finds stations; manual TUNING for precise selection. Memory: Save stations to PRESET buttons (1-30). Clock: Set time with CLOCK button; 12/24 hour format. Sleep Timer: Set auto power-off (15-90 min). Alarm: Set daily alarm with buzzer or radio wake. Display: Backlight button illuminates LCD.

Connecting Devices

Headphones: 3.5mm jack. External Antenna: SW terminal. AC Power: DC IN jack.

Turn off radio before connecting devices.
Insert headphone plug fully into jack.
Connect external antenna to improve SW reception in weak signal areas.
Use only Sony AC-E30A adapter (or equivalent).

Tip: For best FM reception, fully extend telescopic antenna and adjust direction.

Advanced Features

Supports various listening modes and functions.

Auto-scan: Press and hold TUNING button to scan and stop at next station.
Memory scan: Scans through preset stations only.
Direct frequency entry: Use number buttons (on some models) to enter exact frequency.
Sleep timer: Press SLEEP repeatedly to set duration (15, 30, 45, 60, 90 min).
Dual alarm: Set two independent alarms (ALARM 1/ALARM 2).
Battery save: Auto power-off after 15 minutes if no operation on battery power.
Time set: Hold CLOCK button to enter setting mode.

WARNING! Do not expose to strong magnetic fields; may affect tuning accuracy.

Accessibility Features

Large buttons with tactile feedback. LCD backlight for low-light conditions. Tone control for adjusting bass/treble response.

Care & Cleaning

Remove batteries if not used for extended periods. Clean with dry, soft cloth; no solvents.

CAUTION! Do not use abrasive cleaners; avoid water contact with controls.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. This device complies with Part 15 of FCC Rules. Copyright © Sony Corporation. For support, visit www.sony.com/electronics/support or contact 1-800-222-7669.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Batteries/adapter	Check battery polarity; replace batteries; ensure adapter plugged in.
Poor reception	Antenna/location	Extend antenna fully; reposition radio; connect external antenna.
No sound	Volume/mute	Increase volume; check headphone jack (disconnect if plugged in).
Presets lost	Battery removal	Presets erased when batteries removed; reprogram stations.
Display dim	Backlight/batteries	Press backlight button; replace weak batteries.
Clock reset	Power interruption	Set time again after battery replacement or power outage.

Reset: Remove batteries and AC adapter for 5 minutes to reset microcomputer.

Service: 1-800-222-7669; www.sony.com/electronics/support