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English

CY-PA4003W/PA2003W/PAD1003W

7

CY-PA4003W/PA2003W/PAD1003W

Contents

Safety Information .....................  2

Before Reading These Instructions ...  6
Before Use ..............................  7
Features .................................   8
Location of Controls .................. 10

Speaker System Setting 
 <CY-PA4003W> 

.................... 14

Speaker System Setting 
 <CY-PA2003W> 

.................... 17

Speaker System Setting 
 <CY-PAD1003W> 

.................. 18

Note for Bridge Speaker Connection .... 19

Installation ............................. 20
Wiring .................................. 22
Wiring <CY-PA4003W> .............. 24

RCA .......................................................... 24
SPEAKERS INPUT .................................... 25

Wiring <CY-PA2003W> .............. 26

RCA .......................................................... 26
SPEAKERS INPUT .................................... 27

Wiring <CY-PAD1003W> ............. 28

RCA .......................................................... 28
SPEAKERS INPUT .................................... 29

Troubleshooting ....................... 30
Maintenance ........................... 32
Specifi cations ......................... 32

Before Reading These Instructions

Differences among 3 Models 

This Operating instruction manual is for 3 models CY-PA4003W, CY-PA2003W and CY-PAD1003W. All illustrations 
throughout this manual represent model CY-PA4003W unless otherwise specifi ed. The following table describes the 
differences among 3 models. 

Models 

Features

CY-PA4003W

CY-PA2003W

CY-PAD1003W

Speaker connection

4/3/2-channel speaker

2/1-channel speaker

1-channel speaker

Maximum power output

250 W

4 channel

600 W

2 channel

1 100 W

1 channel

Input channel 

4-channel

2-channel

2-channel

4CH/2CH input selection

Yes

No

No

HPF (High Pass Filter)

Yes

Yes

No

Subsonic fi lter switch

No

No

Yes

Fuse 35 

A

2

25 A

3

25 A

3

Speaker input connector

2 (1 for front speaker, 1 for 
rear speaker)

1 (for left/right speaker)

1 (for left/right speaker)

Panasonic welcomes you to our constantly growing 
family of electronic products owners. We endeavor to give 
you the advantages of precise electronic and mechanical 
engineering, manufactured with carefully selected 
components, and assembled by people who are proud 
of the reputation their work has built for our company. 
We know this product will bring you many hours of 
enjoyments, and after you discover the quality, value and 
reliability we have built into it, you too will be proud to be 
a member of our family. 

CY-PA4003W 
4 Channel Power Amplifi er 

CY-PA2003W 
2 Channel Power Amplifi er 

CY-PAD1003W 
Digital Mono Amplifi er 

Accessories

Item

Diagram

Qty.

Operating Instructions 

(YEFM285832A) 

1

Installation Hardware (screws, cords, etc.) (page 20)

Note: 

 The number in parenthesis underneath each accessory 

part name is the part number for maintenance and 
service. 

 Accessories and their parts numbers are subject to 

modifi cation without prior notice due to improvements. 

English 2

 Check the connections according to the manual of 

the device you have connected, and switch on the 
connected device’s power supply. 

 Adjust the GAIN to a satisfactory volume. (page 11, 12) 

 Refer to individual instruction and installation manuals 

for each device for detailed installation and wiring.

Before Use

Summary of Contents for CY-PA2003W

Page 1: ... PA4003W 2 Channel Power Amplifier Model CY PA2003W Digital Mono Amplifier Model CY PAD1003W Operating Instructions Please read these instructions carefully before using this product and keep this manual for future reference CY PA4003W ...

Page 2: ...Do not use safety related vehicle components fuel tank brake suspension steering wheel pedals airbags etc for wiring or fixing the product or its accessories Check for piping gasoline tank electric wiring and other items before installing the product If you need to open a hole in the vehicle chassis to attach or wire the product first check where the wire harness gasoline tank and electric wiring ...

Page 3: ...d 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 Keep a safe distance between the unit and other electronic equipment When a short circuit occurs such as in the speaker output terminal etc the overload protection circuit will operate This circuit p...

Page 4: ...Fuse 35 A 2 25 A 3 25 A 3 Speaker input connector 2 1 for front speaker 1 for rear speaker 1 for left right speaker 1 for left right speaker Panasonic welcomes you to our constantly growing family of electronic products owners We endeavor to give you the advantages of precise electronic and mechanical engineering manufactured with carefully selected components and assembled by people who are proud...

Page 5: ...lifier for subwoofer CY PAD1003W Subwoofer CJ SW3003N option 5 1 channel Surround System Combination with other Panasonic car audio products You can enjoy a powerful 5 1 channel surround system by connecting Head Unit CQ VD7003W CQ VD6503W option 4 channel amplifier CY PA4003W and monaural amplifier for subwoofer CY PAD1003W For more details refer to the operating instructions for the connected de...

Page 6: ...S When using SPEAKER INPUT connectors Channel A speaker output connector SPEAKERS Left Side Left Side Right Side Right Side Fuses FUSES 35 A 2 Upper cover Channel B speaker output connector SPEAKERS Left Side Left Side Right Side Right Side Battery connector 12 V To the car battery continuous 12 V DC Amplifier control connector CONT To the head unit s external amplifier control power lead or to th...

Page 7: ...lifier control connector CONT To the head unit s external amplifier control power lead or to the car battery continuous 12 V DC Ground connector GND To a clean bare metallic part of the car chassis CY PAD1003W Subsonic filter switch OFF ON Switch ON to remove noise from subwoofer GAIN control knob In some instances the acoustical output from each speaker may not be balanced properly depending upon...

Page 8: ...idge connection Monaural Left Right min 4 Switch to 4CH Switch to 4CH Switch to 4CH Right min 2 Left min 2 Right min 2 Left min 2 Right min 2 RCA cord option from Head Unit output terminal Speaker output CH A Outputs left channel audio Input the front left channel white rear left channel white Input the front right channel red rear right channel red Bridge connection Left min 4 Speaker output CH B...

Page 9: ... Bridge connection Note The fader control is ineffective The speaker outputs A and B are at the same level The 3 channel speaker output is not allowed with the 2 channel input connection When the Head Unit is connected to the RCA cord note that the RCA white and red leads differ in color from the unit terminals Bridge connection Right min 4 Note This is not a monaural output The 3 channel speaker ...

Page 10: ... 2 channel Monaural Speaker System INPUT Speaker output Right min 4 Left min 4 INPUT Speaker output Subwoofer Monaural Note Connect the right and left RCA output terminals of the Head Unit to the input terminals of this unit RCA cord option from Head Unit output terminal RCA cord option from Head Unit output terminal min 2 Note for Bridge Speaker Connection Speaker output CY PA4003W Note for RCA I...

Page 11: ... with the mounting or causing damage by drilling into the gas tank a wiring harness or other component Keep a safe distance between the unit and other electronic equipment If this unit is operated at a high output continuously the upper side of the unit will get very hot Do not touch it nor place anything on top of the unit When a short circuit occurs such as in the speaker output terminal etc the...

Page 12: ...e speaker cord option The speaker cords and the power amplifier unit should be kept away from the antenna and antenna extension cord Do not directly ground the speaker cords do not share the negative leads of multiple speakers When using the RCA cords keep away from the speaker cords Caution for the speaker option Use speakers with a suitable maximum input In case of 4 channel 3 channel connection...

Page 13: ...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 Connections with SPEAKERS INPUT Connectors Example 4 channel speaker connection 4CH input 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 External Am...

Page 14: ... RCA cord option R Red R Red Speaker output 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 Amplifier Control Lead Blue white stripe To Head Unit s external amplifier control power lead Left min 2 Righ...

Page 15: ...L White L White R Red RCA cord option R Red R Red Speaker Connections with SPEAKERS INPUT Connectors Example 2 channel Input System 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 Amplifier Control Lead Blue white stripe To Head Unit s external amplifier control power lead Right min 4 SPE...

Page 16: ...tion Warning Do not use the unit in abnormal condition for example without sound or with smoke or foul smell which can cause ignition or electric shock Immediately stop using the unit and consult your dealer Never try to repair the unit by yourself because it is dangerous to do so Bad sound quality Distorted sound Noise The bass is too much enhanced Set the bass boost appropriately Problem Possibl...

Page 17: ...Hz 1 4 Maximum Power Output 1 CH Monaural 600 W 1 10 Hz 8 000 Hz 10 Total Harmonic Distortion 0 2 1 000 Hz at 10 W Low Pass Filter 50 Hz 250 Hz Bass Boost 0 dB 15 dB Middle Frequency 45 Hz Subsonic Filter 20 Hz 3 dB 12 dB oct Signal to Noise Ratio 90 dB IHF A Frequency Response 10 Hz 8 kHz Input Sensitivity 0 2 V 6 V Input Impedance More than 22 k Dimensions W H D 280 62 303 mm Weight 4 0 k Note S...

Page 18: ...Matsushita Electric Industrial Co Ltd Web Site http panasonic net YEFM285832A FU0106 2046 Printed in China CY PA4003W PA2003W PAD1003W ...

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