Panasonic 4 Channel Power Amplifier Cy Pa4003u Operating Instructions

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 In case of 2-channel/stereo connection:
In case of multiple speakers to be mounted in a bridge 
connection, confi rm the summed impedance to be 48 
 in order to avoid ignition, smoking, or damage.
Do not make a connection in such a manner. Summed impedance: 4 
Speaker: 2 
Speaker: 2 Speaker: 8 
Speaker: 8  Summed impedance: 4 
Summed impedance: 2 
Speaker: 4 
Speaker: 4 
Speaker System Setting 1-channel (Monaural)...

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Mounting the Unit      Caution Never mount the unit in any of the following locations 
to avoid damage due to overheating;
  • Near the heater port. 
  •  Places like the dashboard or rear deck, where it may 
be exposed to direct sunlight. 
 Do not mount the unit near the door, where it could 
be exposed to rain. 
 You run the risk of interfering with the mounting or 
causing damage by drilling into the gas tank, a wiring...

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Wiring      Caution This unit is designed for use in a car having a 12 V 
negative ground battery system. 
 Be sure to insulate any exposed wires to prevent short 
circuiting with the car chassis. Bundle all cables, and 
prevent cable terminals from touching any metal parts. 
 Note that if your car has a driving computer or a 
navigation computer, disconnecting the cable from the 
battery may clear the memory. 
 Run the...

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Wiring 
Speaker Connections with RCA cord 
Example: 4 channel speaker connection (4CH input)Note for RCA Input Connection:  
 Selectively assign each front and rear output to either RCA INPUT A or B, in accordance with the system from which the 
output is coming.
 In case of a single line coming from the RCA output of Head Unit, connect the line to RCA INPUT A.
  Do not connect it to RCA INPUT B.
Speaker Connections with...

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Speaker Connections with SPEAKERS INPUT Connectors
Example: 2 channel speaker connection
INPUT 
(Not used.)
Head Unit
Battery Lead (Yellow)
To the car battery, continuous 
12 V DC.  Ground Lead (Black)
To a clean, bare metallic part of the 
car chassis.  External Amplifi er Control Lead 
(Blue/white stripe) 
To Head Unit’s external amplifi er control power lead. 
Left (min. 2 ) Right (min. 2 ) SPEAKERS 
INPUT 
Speaker...

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Wiring 
Speaker Connections with RCA cord 
Example: 2 channel Input System
Head Unit Power amplifi erPRE-OUT
Left (min. 4 ) Right (min. 4 )
Battery Lead (Yellow)
To the car battery, 
continuous 12 V DC.  External Amplifi er Control Lead 
(Blue/white stripe) 
To Head Unit’s external amplifi er control 
power lead. 
Ground Lead (Black)
To a clean, bare metallic 
part of the car chassis.  SPEAKERS INPUT 
Not used. OUTPUT 
When...

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TroubleshootingIf You Suspect Something WrongCheck and take steps as described below. 
If the described suggestions do not solve the problem, 
it is recommended to take the unit to your nearest 
authorized Panasonic Servicenter. The product should 
be serviced only by qualifi ed personnel. Please refer 
checking and repair to professionals. 
Panasonic shall not be liable for any accidents arising out 
of neglect of checking the...

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MaintenanceCaution on CleaningYour product is designed and manufactured to require 
minimum maintenance. Use a dry soft cloth for routine 
exterior cleaning. Never use benzine, thinner or other 
solvents. Pesticide 
  Alcohol
Thinner
BenzineWax
Specifi cations 
Power Supply:  DC 12 V (11 V–16 V), test 
voltage 14.4 V, 
 Negative Ground
Current Consumption:  32 A (at 64 W4)
Speaker Impedance:  4  
Power Output (“EIA” Power):...

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  Veuillez lire le manuel d’instructions qui accompagne 
l’appareil et les autres composants de votre chaîne 
audio pour véhicule avant d’utiliser cette dernière. 
Il contient des instructions pour une utilisation sûre 
et ef cace de la chaîne. Panasonic décline toute 
responsabilité quant aux problèmes résultant de 
l’ignorance des instructions fournies dans ce manuel.
  Dans ce manuel des pictogrammes sont utilisés pour...

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Informations concernant la sécurité 
(suite)
Lors de l’installation, respecter les mises en 
garde suivantes. Con er le câblage et l’installation à un technicien 
d’entretien quali é.
  L’installation de cet appareil exige une formation 
spéciale et de l’expérience. Pour un maximum de 
sécurité, le faire installer par le concessionnaire. 
Panasonic n’est pas responsable des problèmes 
découlant d’une installation de l’appareil...