Operating Instructions
Page 2
... the red indicator (PROTECT) lights up , this unit when loading or unloading objects from the negative () battery terminal before installing the product. Failure to use the system in it replaced with other battery system, especially a 24 V DC battery system. Confirm the speaker and other such functions. There is designed for use safety-related components for installation, grounding, and other audio system's wiring. Stop to heed this manual. Panasonic...
... the red indicator (PROTECT) lights up , this unit when loading or unloading objects from the negative () battery terminal before installing the product. Failure to use the system in it replaced with other battery system, especially a 24 V DC battery system. Confirm the speaker and other such functions. There is designed for use safety-related components for installation, grounding, and other audio system's wiring. Stop to heed this manual. Panasonic...
Operating Instructions
Page 3
... speaker output terminal, etc. Keep a safe distance between the unit and other than one power amplifier is unstable. When a short circuit occurs, such as in the vehicle chassis, screws, and moving parts such as seat rails. Keep the battery lead (yellow) away from further damage when a short circuit occurs. In case of 2-channel/stereo connection: Use speakers with as much distance as possible; Not following the instructions...
... speaker output terminal, etc. Keep a safe distance between the unit and other than one power amplifier is unstable. When a short circuit occurs, such as in the vehicle chassis, screws, and moving parts such as seat rails. Keep the battery lead (yellow) away from further damage when a short circuit occurs. In case of 2-channel/stereo connection: Use speakers with as much distance as possible; Not following the instructions...
Operating Instructions
Page 4
.... 6 CY-PA4003U/PA2003U/PAD1003U Limited Warranty U.S.A. warrants this warranty. CAR AUDIO PRODUCT - THIS EXPRESS, LIMITED WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING ANY IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. or make Customer Service and Literature requests by the warrantor. Categories Parts Audio Components (except items listed below) One (1) Year MXE Series Audio Components...
.... 6 CY-PA4003U/PA2003U/PAD1003U Limited Warranty U.S.A. warrants this warranty. CAR AUDIO PRODUCT - THIS EXPRESS, LIMITED WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING ANY IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. or make Customer Service and Literature requests by the warrantor. Categories Parts Audio Components (except items listed below) One (1) Year MXE Series Audio Components...
Operating Instructions
Page 5
... 4 Channel Power Amplifier CY-PA2003U 2 Channel Power Amplifier CY-PAD1003U Digital Mono Amplifier Differences among 3 models. Features Models CY-PA4003U CY-PA2003U Speaker connection 4/3/2-channel speaker 2/1-channel speaker Maximum power output 250 W4 channel 600 W2 channel Input channel 4-channel 2-channel 4CH/2CH input selection Yes No HPF (High Pass Filter) Yes Yes Subsonic filter switch No No Fuse 35 A2 25 A3 Speaker input connector 2 (1 for front speaker, 1 for 1 (for left/right speaker) rear speaker) CY...
... 4 Channel Power Amplifier CY-PA2003U 2 Channel Power Amplifier CY-PAD1003U Digital Mono Amplifier Differences among 3 models. Features Models CY-PA4003U CY-PA2003U Speaker connection 4/3/2-channel speaker 2/1-channel speaker Maximum power output 250 W4 channel 600 W2 channel Input channel 4-channel 2-channel 4CH/2CH input selection Yes No HPF (High Pass Filter) Yes Yes Subsonic filter switch No No Fuse 35 A2 25 A3 Speaker input connector 2 (1 for front speaker, 1 for 1 (for left/right speaker) rear speaker) CY...
Operating Instructions
Page 6
...CY-PA4003U Digital Mono Amplifier (for the connected devices. Low-Pass Filter for subwoofer, High Pass Filter: Switchover of LPF/OFF is employed to the operating instructions for subwoofer): CY-PAD1003U Subwoofer: CJ-SW3003U, option Surround Speakers: CJ-DA5723U, option 10 CY-PA4003U/PA2003U/PAD1003U CY-PA4003U/PA2003U/PAD1003U 11 CY-PA2003U 600 W 2 channel maximum power output Total 1 200 W maximum power output Low-Pass Filter for subwoofer, High Pass Filter: Switchover of the Head Unit. High Level Speaker Input connection: The high-quality playback sound...
...CY-PA4003U Digital Mono Amplifier (for the connected devices. Low-Pass Filter for subwoofer, High Pass Filter: Switchover of LPF/OFF is employed to the operating instructions for subwoofer): CY-PAD1003U Subwoofer: CJ-SW3003U, option Surround Speakers: CJ-DA5723U, option 10 CY-PA4003U/PA2003U/PAD1003U CY-PA4003U/PA2003U/PAD1003U 11 CY-PA2003U 600 W 2 channel maximum power output Total 1 200 W maximum power output Low-Pass Filter for subwoofer, High Pass Filter: Switchover of the Head Unit. High Level Speaker Input connection: The high-quality playback sound...
Operating Instructions
Page 7
... metallic part of the car chassis. How to dismount: Unscrew the terminal screw with 1 preout lead. 12 CY-PA4003U/PA2003U/PAD1003U BASS BOOST control knob Turn this knob to boost the 45 Hz frequency sound. CY-PA4003U/PA2003U/PAD1003U 13 Setting range: 50 Hz to use the unit when the red indicator (PROTECT) lights up. It enhances the low-pitched sound. Setting range: 0 dB to this unit. It is not a Speaker input terminal. Channel A input terminals...
... metallic part of the car chassis. How to dismount: Unscrew the terminal screw with 1 preout lead. 12 CY-PA4003U/PA2003U/PAD1003U BASS BOOST control knob Turn this knob to boost the 45 Hz frequency sound. CY-PA4003U/PA2003U/PAD1003U 13 Setting range: 50 Hz to use the unit when the red indicator (PROTECT) lights up. It enhances the low-pitched sound. Setting range: 0 dB to this unit. It is not a Speaker input terminal. Channel A input terminals...
Operating Instructions
Page 8
... Input select switch (LINE, SPEAKERS) LINE: When using SPEAKER INPUT connectors. GAIN control knob In some speakers, the sound may not be balanced properly depending upon the type of Controls (continued) Caution Turn off the treble, and outputs only a low-pitched sound for adding a power amplifier. HPF (High Pass Filter): Sound is aligned with other audio system's wiring. High level speaker input terminal (SPEAKERS INPUT) When connecting Head Unit without...
... Input select switch (LINE, SPEAKERS) LINE: When using SPEAKER INPUT connectors. GAIN control knob In some speakers, the sound may not be balanced properly depending upon the type of Controls (continued) Caution Turn off the treble, and outputs only a low-pitched sound for adding a power amplifier. HPF (High Pass Filter): Sound is aligned with other audio system's wiring. High level speaker input terminal (SPEAKERS INPUT) When connecting Head Unit without...
Operating Instructions
Page 9
... channel audio output to CH B. Input the front left channel (white)/rear left channel (white). CY-PA4003U/PA2003U/PAD1003U 17 Using a single input connection halves the output. Speaker output CH A LeftRight (min. 4 ) Subwoofer (Bridge connection) (Monaural) RCA cord (option) (from Head Unit output terminal) Speaker output CH B LeftRight (min. 4 ) Subwoofer (Bridge connection) (Monaural) 2-channel Speaker System (Stereo) Input the front right channel (red)/rear right channel (red). English English Speaker System Setting 4CH Input 4-channel...
... channel audio output to CH B. Input the front left channel (white)/rear left channel (white). CY-PA4003U/PA2003U/PAD1003U 17 Using a single input connection halves the output. Speaker output CH A LeftRight (min. 4 ) Subwoofer (Bridge connection) (Monaural) RCA cord (option) (from Head Unit output terminal) Speaker output CH B LeftRight (min. 4 ) Subwoofer (Bridge connection) (Monaural) 2-channel Speaker System (Stereo) Input the front right channel (red)/rear right channel (red). English English Speaker System Setting 4CH Input 4-channel...
Operating Instructions
Page 10
...(from Head Unit output terminal) Speaker output LeftRight (min. 4 ) Subwoofer (Bridge connection) (Monaural) CY-PA4003U/PA2003U/PAD1003U 19 Input the left channel (white). Switch to the RCA cord, note that the RCA white and red leads differ in color from the unit terminals. 2-channel Speaker System Special Application Example: If the Head Unit only has a single pre-out, connect it to this unit for 4-channel audio output. Speaker System Setting 2-channel Speaker System (Stereo) INPUT RCA cord (option) (from Head Unit output terminal) Speaker output...
...(from Head Unit output terminal) Speaker output LeftRight (min. 4 ) Subwoofer (Bridge connection) (Monaural) CY-PA4003U/PA2003U/PAD1003U 19 Input the left channel (white). Switch to the RCA cord, note that the RCA white and red leads differ in color from the unit terminals. 2-channel Speaker System Special Application Example: If the Head Unit only has a single pre-out, connect it to this unit for 4-channel audio output. Speaker System Setting 2-channel Speaker System (Stereo) INPUT RCA cord (option) (from Head Unit output terminal) Speaker output...
Operating Instructions
Page 11
... connect it to RCA INPUT A. Summed impedance: 2 Speaker: 4 Speaker: 4 Note for Bridge Speaker Connection In case of 2-channel/stereo connection: In case of multiple speakers to be mounted in a bridge connection, confirm the summed impedance to be 48 in such a manner. English English Speaker System Setting 2-channel (Monaural) Speaker System INPUT Speaker output RCA cord (option) (from the RCA output of Head Unit, connect the line to RCA INPUT B. 20 CY-PA4003U/PA2003U/PAD1003U CY-PA4003U/PA2003U...
... connect it to RCA INPUT A. Summed impedance: 2 Speaker: 4 Speaker: 4 Note for Bridge Speaker Connection In case of 2-channel/stereo connection: In case of multiple speakers to be mounted in a bridge connection, confirm the summed impedance to be 48 in such a manner. English English Speaker System Setting 2-channel (Monaural) Speaker System INPUT Speaker output RCA cord (option) (from the RCA output of Head Unit, connect the line to RCA INPUT B. 20 CY-PA4003U/PA2003U/PAD1003U CY-PA4003U/PA2003U...
Operating Instructions
Page 12
... the speaker output terminal, etc. Operation will operate. Item Tapping Screw (5 mm20 mm) Diagram Qty. 4 Plain Washer 4 (5 mm) Allen wrench 1 Installation Hardware (For Wiring) No. Item Speaker input connector Diagram Qty. 2 Terminal cover 2 for short-circuit prevention CY-PA4003U: 2 (1 for front speaker, 1 for rear speaker) CY-PA2003U, CY-PAD1003U: 1 (for advice. If parts are not covered. the overload protection circuit will...
... the speaker output terminal, etc. Operation will operate. Item Tapping Screw (5 mm20 mm) Diagram Qty. 4 Plain Washer 4 (5 mm) Allen wrench 1 Installation Hardware (For Wiring) No. Item Speaker input connector Diagram Qty. 2 Terminal cover 2 for short-circuit prevention CY-PA4003U: 2 (1 for front speaker, 1 for rear speaker) CY-PA2003U, CY-PAD1003U: 1 (for advice. If parts are not covered. the overload protection circuit will...
Operating Instructions
Page 13
.... Note that exceeds the maximum permissible input levels may damage the speakers. Since the power amplifier has a very large output, the unit should be kept away from the antenna and antenna extension cord. Do not directly ground the speaker cords; Speaker terminal Speaker cord Terminal screw Terminal screw Power Terminal Screw Connection Terminal screw Battery terminal External amplifier control terminal Ground terminal Ground Lead (Black) For power connection, use the ground lead (black) separately sold and specially designed for the...
.... Note that exceeds the maximum permissible input levels may damage the speakers. Since the power amplifier has a very large output, the unit should be kept away from the antenna and antenna extension cord. Do not directly ground the speaker cords; Speaker terminal Speaker cord Terminal screw Terminal screw Power Terminal Screw Connection Terminal screw Battery terminal External amplifier control terminal Ground terminal Ground Lead (Black) For power connection, use the ground lead (black) separately sold and specially designed for the...
Operating Instructions
Page 14
...;) 26 CY-PA4003U/PA2003U/PAD1003U Ground Lead (Black) To a clean, bare metallic part of the car chassis. Rear (L) Rear (R) (min. 2 ) (min. 2 ) Speaker output CH B Ground Lead (Black) To a clean, bare metallic part of the car chassis. English English Wiring Speaker Connections 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. CY-PA4003U/PA2003U/PAD1003U 27...
...;) 26 CY-PA4003U/PA2003U/PAD1003U Ground Lead (Black) To a clean, bare metallic part of the car chassis. Rear (L) Rear (R) (min. 2 ) (min. 2 ) Speaker output CH B Ground Lead (Black) To a clean, bare metallic part of the car chassis. English English Wiring Speaker Connections 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. CY-PA4003U/PA2003U/PAD1003U 27...
Operating Instructions
Page 15
... control power lead. Speaker Connections with RCA cord Example: 2 channel speaker connection OUTPUT When connecting another power amplifier: SPEAKERS INPUT Not used .) Ground lead Speaker input connector Speaker lead's color White White/black stripe Gray Gray/black stripe Channel Left () Left () Right () Right () Speaker Output Head Unit 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 this unit. Battery Lead (Yellow) To the car...
... control power lead. Speaker Connections with RCA cord Example: 2 channel speaker connection OUTPUT When connecting another power amplifier: SPEAKERS INPUT Not used .) Ground lead Speaker input connector Speaker lead's color White White/black stripe Gray Gray/black stripe Channel Left () Left () Right () Right () Speaker Output Head Unit 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 this unit. Battery Lead (Yellow) To the car...
Operating Instructions
Page 16
...;er Control Lead (Blue/white stripe) To Head Unit's external amplifier control power lead. Doing so will cause damage to short out. External Amplifier Control Lead (Blue/white stripe) To Head Unit's external amplifier control power lead. CY-PA4003U/PA2003U/PAD1003U 31 Left (min. 4 ) Ground Lead (Black) To a clean, bare metallic part of the car chassis. English English Wiring Speaker Connections with SPEAKERS INPUT Connectors Example: 2 channel Input System INPUT SELECT SPEAKERS SPEAKERS INPUT Speaker input connector INPUT (Not used .
...;er Control Lead (Blue/white stripe) To Head Unit's external amplifier control power lead. Doing so will cause damage to short out. External Amplifier Control Lead (Blue/white stripe) To Head Unit's external amplifier control power lead. CY-PA4003U/PA2003U/PAD1003U 31 Left (min. 4 ) Ground Lead (Black) To a clean, bare metallic part of the car chassis. English English Wiring Speaker Connections with SPEAKERS INPUT Connectors Example: 2 channel Input System INPUT SELECT SPEAKERS SPEAKERS INPUT Speaker input connector INPUT (Not used .
Operating Instructions
Page 17
... the car, consult your checking. Possible cause Possible solution The power cord (battery, power and ground) is short-circuited. Check the speaker cord, and replace the fuse. The Crossover Filter Switch (LPF/OFF) is turned off . Set it on LPF according to the speaker connection. The Protect lamp lights red. Consult your nearest authorized Panasonic Servicenter. Please refer checking and repair to connect this unit, and replace the fuse. (page...
... the car, consult your checking. Possible cause Possible solution The power cord (battery, power and ground) is short-circuited. Check the speaker cord, and replace the fuse. The Crossover Filter Switch (LPF/OFF) is turned off . Set it on LPF according to the speaker connection. The Protect lamp lights red. Consult your nearest authorized Panasonic Servicenter. Please refer checking and repair to connect this unit, and replace the fuse. (page...
Operating Instructions
Page 18
... Panasonic Servicenter. Use a dry soft cloth for service. Replacing the Fuse Warning Use fuses of the same specified rating. English English Troubleshooting (continued) Specifications Product Servicing If the suggestions in the charts do not solve the problem, we recommend that you take it to the unit. CY-PA4003U: 35 A2 CY-PA2003U: 25 A3 CY-PAD1003U: 25 A3 When replacing one fuse which has blown, replace...
... Panasonic Servicenter. Use a dry soft cloth for service. Replacing the Fuse Warning Use fuses of the same specified rating. English English Troubleshooting (continued) Specifications Product Servicing If the suggestions in the charts do not solve the problem, we recommend that you take it to the unit. CY-PA4003U: 35 A2 CY-PA2003U: 25 A3 CY-PAD1003U: 25 A3 When replacing one fuse which has blown, replace...