Sony ICF-M780SL Radio User Manual

The Sony ICF-M780SL is a portable AM/FM radio featuring a large, easy-to-read LCD display, digital tuning with 30 station presets (20 FM, 10 AM), a built-in speaker, a 3.5mm headphone jack for private listening, and an alarm clock with snooze function. Powered by AC adapter (included) or 4 AA batteries (not included). 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. Using the Alarm & Clock 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: AM/FM tuner, LCD display with backlight, Speaker, Headphone jack, AC power input, Telescopic antenna.

Feature	Description
AM/FM Tuner	Digital tuning for clear reception
LCD Display	Shows time, frequency, preset number, and alarm status
Station Presets	30 total (20 FM, 10 AM) for quick access
Headphone Jack	3.5mm jack for private listening
AC Input	For power via included adapter
Battery Compartment	Holds 4 AA batteries for portable use
Telescopic Antenna	Extends for improved FM reception
ALARM/SLEEP	Sets alarm and sleep timer functions
TUNING/PRESET	Manual tuning and preset selection
POWER	Turns radio on/off

Installation

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

Insert batteries: Open compartment, insert 4 AA batteries observing correct polarity.
Connect AC power: Plug adapter into DC IN jack and into wall outlet (optional for home use).
Extend antenna: Pull up telescopic antenna for FM listening.
Connect headphones: Plug into headphone jack if desired.

WARNING! Use only the specified AC adapter. Do not mix old and new batteries.

First-Time Setup

Power on radio; set initial preferences.

Set the clock: Hold CLOCK button, use TUNING to set time, press CLOCK to confirm.
Tune stations manually: Press BAND to select AM/FM, use TUNING buttons to find station.
Save station presets: Tune to desired station, hold a number button (1-30) for 2 seconds.
Adjust volume: Use VOLUME knob or buttons.

CAUTION! Keep away from moisture and extreme temperatures.

Specifications

Tuning Range: FM 87.5-108 MHz, AM 530-1710 kHz.
Preset Memory: 30 stations (20 FM, 10 AM).
Power Supply: AC 120V 60Hz (via adapter) or DC 6V (4 x AA batteries).
Audio Output: Built-in speaker; 3.5mm headphone jack.
Display: LCD with backlight (press LIGHT button).
Alarm: Daily alarm with snooze (approx. 10 minutes).
Sleep Timer: Turns radio off after 15-120 minutes.
Dimensions: Approx. 8.5" W x 5.5" H x 2.5" D.

Controls and Settings

Front Panel: POWER, VOLUME, BAND, TUNING, PRESET, ALARM/SLEEP, LIGHT, CLOCK.

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

Tuning: Manual with TUNING buttons; auto scan with HOLD function. Presets: Recall with number buttons. Display: Backlight illuminates for 5 seconds when LIGHT pressed. Clock: Set with CLOCK button. Alarm: Set alarm time and source (buzzer or radio). Sleep: Set duration (15, 30, 60, 90, 120 min).

Connecting Devices

Headphones: Standard 3.5mm plug. AC Power: Use included adapter only.

Ensure radio is off before connecting headphones.
Plug headphones fully into jack for private listening.
For AC power, connect adapter to DC IN jack first, then to wall outlet.

Tip: Use headphones to listen without disturbing others.

Using the Alarm & Clock

Daily alarm can wake you to radio or buzzer.

Set alarm time: Hold ALARM button, use TUNING to set hour/minute, press ALARM to confirm.
Select alarm source: In alarm setting mode, choose BUZZER or RADIO.
Enable/disable alarm: Press ALARM once to toggle alarm on/off (icon shows on display).
Snooze: Press any button during alarm to snooze for ~10 minutes.
Sleep timer: Hold SLEEP, select duration (15-120 min); radio turns off automatically.

WARNING! Test alarm function after battery replacement.

Accessibility Features

Large display with adjustable viewing angle. Tactile buttons with distinct shapes. Headphone jack for private listening. Backlight for low-light conditions.

Care & Cleaning

Remove batteries or unplug adapter before cleaning. Wipe exterior with soft, dry cloth. Do not use solvents or abrasive cleaners.

CAUTION! Never immerse radio in water. Keep away from heat sources.

Regulatory Information

FCC Part 15: This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference. 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	Dead batteries/power	Replace batteries; ensure AC adapter is properly connected.
Poor FM reception	Antenna position	Extend telescopic antenna fully; reposition radio.
Alarm not sounding	Settings/power	Ensure alarm is enabled (icon shows); check volume if set to RADIO.
Display is dim/blank	Backlight/batteries	Press LIGHT button; replace weak batteries.
No sound from speaker	Volume/headphones	Increase volume; ensure headphones are not plugged in.

Reset: Remove batteries/unplug for 1 minute to reset microcomputer.

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