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CY-PA4003U/PA2003U/PAD1003U
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CY-PA4003U/PA2003U/PAD1003U
Wiring <CY-PA4003U>
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 SPEAKERS INPUT Connectors
Example: 4 channel speaker connection (4CH input)
Head UnitPower amplifi er
PRE-OUT
(Rear)
PRE-OUT
(Front)
RCA cord
(option)
CH B
SPEAKERS INPUT
Not used.
Front (L) (min. 2 )
Front (R) (min. 2 )
Rear (L)
(min. 2 )
Rear (R)
(min. 2 )
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.
INPUT CH A (Not used.)
INPUT CH B (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.
CH A
SPEAKERS INPUT
Not used.
External Amplifi er Control Lead
(Blue/white stripe)
To Head Unit’s external amplifi er control power lead.
Front (L)
(min. 2 )
Front (R)
(min. 2 )
Rear (L)
(min. 2 )
Rear (R)
(min. 2 )
OUTPUT
(For CH A)
When connecting
another power
amplifi er:
CH A
SPEAKERS
INPUT
CH B
SPEAKERS INPUT
Rear Speaker Output
Front Speaker Output
CH A
Speaker lead’s color Channel
White Front left ()
White/black stripe Front left ()
Gray Front right ()
Gray/black stripe Front right ()
CH B
Speaker lead’s color Channel
Green Rear left ()
Green/black stripe Rear left ()
Violet Rear right ()
Violet/black stripe Rear right ()
INPUT CH A
INPUT CH B
INPUT SELECT
LINE
4/2 CHANNEL SWITCH
4CH
INPUT SELECT
SPEAKERS
4/2 CHANNEL SWITCH
4CH
INPUT SELECT
LINE
RCA cord
(option)
R (Red)
L (White)
R (Red)
L (White)
L (White)
R (Red)
Speaker output CH A
Speaker output CH B
Speaker output CH A
Speaker output CH B
Speaker input
connector
Ground lead
Note for the ground lead of the speaker input
connector:
Connect to the Head Unit’s earth.
Do not allow the speaker output and ground to
short out. Doing so will cause damage to this
unit.
Ground lead