Alpine CDM-9803R Service Manual page 2

<Cautions for Safe Repair Work>
The following cautions will prevent accidents in the workplace and will ensure safe products.
*The symbols indicate caution is needed to prevent injuries and damage to property.
The symbols and their meanings follow.
. If you ignore this symbol and handle the product incorrectly or unsafely,
L f \. Warning serious injury or death may result.
7 If you ignore this symbol and handle the product incorrectly or unsafely,
Caution injury or only material damage may result.
*The following symbols indicate two levels of cautions.
IAN When you see this symbol, you have to be very careful.
QO When you see this symbol, you have to follow the instructions there.
AY Warning
Do not look squarely into the laser light
coming from the pickup.
Fuse Caution
Always use a designated fuse.
Use of an incorrect fuse may result in a fire.
Do not allow wiring to be caught in the Battery Caution
screw/chassis. Use the designated battery.
If wiring is caught in the screw/chassis, it may Confirm the correct polarity and seat of the
cause a short circuit, resulting in a fire. battery.
An incorrect battery or an improperly connected
or seated battery may result in a fire.
Designated Parts Caution
Look up the part list and ensure that only
designated parts are used to prevent problems or
accidents.
High Temperature Caution
Touching the heat sink may cause severe burns.
Reverse Power Supply Connections or
Misconnections Caution
Reverse power supply connections or
misconnections may cause ignition problems and
smoke may result.
Soldering Caution
Hot solder from solder splash may cause severe
Wiring Caution
Ensure that the wiring is correct when rewiring to
prevent problems with ignition/breakdown.
Wear Gloves
Wear gloves to prevent electrical shocks or injury
from the end face of the metal.