Panasonic CQ-DFX572N User manual

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Table Of Contents
COVER
1 FEATUERS
2 REPLACEING THE FUSE
3 MAINTENANCE
4 RADIO ALIGNMENT
5 CD DECK ALIGNMENT
6 LASER PRODUCTS
7 DIMENSIONS
8 WIRING CONNECTION
9 TERMINALS
DESCRIPTION
9.1 Main Block
9.2 Display Block
9.3 CD Servo Block
10 PACKAGE AND IC
BLOCK DIAGRAM
10.1 Main Block
10.2 CD Servo Block
11 REPLACEMENT PARTS
LIST
12 EXPLODED VIEW
(Unit)
13 CD PLAYER PARTS
14 EXPLODED VIEW (CD
Deck)
15 WIRING DIAGRAM
15.1 Display Block
15.2 Main Block (Top View)
15.3 Main Block (Bottom
View)
15.4 CD Servo Block (Top
View)
15.5 CD Servo Block
(Bottom View)
15.6 Front SW/ Interface
Block
Service Manual
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ORDER No. ACED020271C8
AUTOMOTIVE CONSUMER ELECTRONICS
●CQ-DFX572N
MP3 CD Player/ Receiver with CD Changer Control
Specification*
General
Power Supply DC 12V (11V - 16V),
Test Voltage 14.4V
Negative Ground
Current Consumption Less than 2.5A (CD mode, 0.5W×4-Speaker)
Maximum Power Output 50W×4 (at 4Ω)
Power Output 22W×4 (DIN45 324, at 4Ω)
Speaker Impedance 4-8Ω
External Input Impedance 10kΩ(AUX IN)
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16 SCHEMATIC
DIAGRAM
16.1 Main Block
16.2 Display Block
16.3 CD Servo Block
16.4 Front SW/ Interface
Block
17 BLOCK DIAGRAM
17.1 Main Block
17.2 Display/
Interface/ Front SW Block
17.3 CD Servo Block
18 SCHEMATIC DIAGRAM
for Printing with Letter Size
18.1 Main Block (Left Side)
18.2 Main Block (Right Side)
18.3 Display Block (Left
Side)
18.4 Display Block (Right
Side)
18.5 CD Servo Block (Left
Side)
18.6 CD Servo Block (Right
Side)
18.7 Front SW/ Interface
Block
External Input Sensitivity Max. 2V (AUX IN)
Pre-AMP Output Voltage 2.5V (CD mode)
Pre-AMP Output Impedance 200Ω
Sub-Woofer Output Voltage 2.5V
FM Stereo Radio
Frequency Range 87.5 - 108MHz
Usable Sensitivity 6dB/μV (S/N 30dB)
Stereo Separation 35dB (at 1kHz)
MW Radio
Frequency Range 531 - 1,602kHz
Usable Sensitivity 29 dB/μV (S/N 20dB)
LW Radio
Frequency Range 153 - 279kHz
Usable Sensitivity 34dB/μV (S/N 20dB)
CD Player
Sampling Frequency 8 times over sampling
DA Converter MASH 1bit/4 DAC system
Error Correction System Panasonic super decoding algorithm
Pick-Up Type Astigma 3-beam
Light Source Semiconductor Laser
Wavelength 780nm
Frequency Response 5Hz - 20kHz (±1dB)
Signal to Noise Ratio 90dB
Total Harmonic Distortion 0.01% (1kHz)
Wow and Flutter Below measurable limits
Channel Separation 70dB
MP3 Decoding MPEG1 Audio Layer3/ MPEG2 Audio Layer3
Bit Rate (MPEG1 Audio Layer3) 32kbps-256kbps, VBR (Variable Bit Rate)
(MPEG2 Audio Layer3) 16kbps-160kbps, VBR (Variable Bit Rate)
Sampling Frequency (MPEG1 Audio Layer3) 32kHz, 44.1kHz, 48kHz
(MPEG2 Audio Layer3) 22.05kHz, 24kHz
Dimensions ** (W× H× D) 178×50×150mm
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Weight ** 1.6kg
* Specifications and the design are subject to possible modification without notice due to improvements.
** Dimensions and Weight shown are approximate.
© 2002 Matsushita Communication Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a
violation of law.
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Service Manual
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ORDER No. ACED020271C8
AUTOMOTIVE CONSUMER ELECTRONICS
●CQ-DFX572N
MP3 CD Player/ Receiver with CD Changer Control
Specification*
General
Power Supply DC 12V (11V - 16V),
Test Voltage 14.4V
Negative Ground
Current Consumption Less than 2.5A (CD mode, 0.5W×4-Speaker)
Maximum Power Output 50W×4 (at 4Ω)
Power Output 22W×4 (DIN45 324, at 4Ω)
Speaker Impedance 4-8Ω
External Input Impedance 10kΩ(AUX IN)
External Input Sensitivity Max. 2V (AUX IN)
Pre-AMP Output Voltage 2.5V (CD mode)
Pre-AMP Output Impedance 200Ω
Sub-Woofer Output Voltage 2.5V
FM Stereo Radio
Frequency Range 87.5 - 108MHz
Usable Sensitivity 6dB/μV (S/N 30dB)
Stereo Separation 35dB (at 1kHz)
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MW Radio
Frequency Range 531 - 1,602kHz
Usable Sensitivity 29 dB/μV (S/N 20dB)
LW Radio
Frequency Range 153 - 279kHz
Usable Sensitivity 34dB/μV (S/N 20dB)
CD Player
Sampling Frequency 8 times over sampling
DA Converter MASH 1bit/4 DAC system
Error Correction System Panasonic super decoding algorithm
Pick-Up Type Astigma 3-beam
Light Source Semiconductor Laser
Wavelength 780nm
Frequency Response 5Hz - 20kHz (±1dB)
Signal to Noise Ratio 90dB
Total Harmonic Distortion 0.01% (1kHz)
Wow and Flutter Below measurable limits
Channel Separation 70dB
MP3 Decoding MPEG1 Audio Layer3/ MPEG2 Audio Layer3
Bit Rate (MPEG1 Audio Layer3) 32kbps-256kbps, VBR (Variable Bit Rate)
(MPEG2 Audio Layer3) 16kbps-160kbps, VBR (Variable Bit Rate)
Sampling Frequency (MPEG1 Audio Layer3) 32kHz, 44.1kHz, 48kHz
(MPEG2 Audio Layer3) 22.05kHz, 24kHz
Dimensions ** (W× H× D) 178×50×150mm
Weight ** 1.6kg
* Specifications and the design are subject to possible modification without notice due to improvements.
** Dimensions and Weight shown are approximate.
© 2002 Matsushita Communication Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation
of law.
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Table Of Contents
COVER
1 FEATUERS
2 REPLACEING THE FUSE
3 MAINTENANCE
4 RADIO ALIGNMENT
5 CD DECK ALIGNMENT
6 LASER PRODUCTS
7 DIMENSIONS
8 WIRING CONNECTION
9 TERMINALS DESCRIPTION
9.1 Main Block
9.2 Display Block
9.3 CD Servo Block
10 PACKAGE AND IC BLOCK DIAGRAM
10.1 Main Block
10.2 CD Servo Block
11 REPLACEMENT PARTS LIST
12 EXPLODED VIEW (Unit)
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13 CD PLAYER PARTS
14 EXPLODED VIEW (CD Deck)
15 WIRING DIAGRAM
15.1 Display Block
15.2 Main Block (Top View)
15.3 Main Block (Bottom View)
15.4 CD Servo Block (Top View)
15.5 CD Servo Block (Bottom View)
15.6 Front SW/ Interface Block
16 SCHEMATIC DIAGRAM
16.1 Main Block
16.2 Display Block
16.3 CD Servo Block
16.4 Front SW/ Interface Block
17 BLOCK DIAGRAM
17.1 Main Block
17.2 Display/ Interface/ Front SW Block
17.3 CD Servo Block
18 SCHEMATIC DIAGRAM for Printing with Letter Size
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18.1 Main Block (Left Side)
18.2 Main Block (Right Side)
18.3 Display Block (Left Side)
18.4 Display Block (Right Side)
18.5 CD Servo Block (Left Side)
18.6 CD Servo Block (Right Side)
18.7 Front SW/ Interface Block
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1 FEATUERS
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●A CD-R and a CD-RW that hold CD-DA data can be reproduced.
●A CD-R and CD-RW that hold MP3 data can be reproduced.
●RDS (Radio Data System)
●Anti-Theft System
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2 REPLACEING THE FUSE
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Use fuses of the same specified rating (15amps). Using different substitutes or fuses with higher ratings,
or connecting the unit directly without a fuse, could cause fire or damage to the unit.
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3 MAINTENANCE
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Your products is designed and manufactured to ensure the minimum of maintenance. Use a soft cloth for
routine exterior cleaning. Never use benzine, thinner or other solvents.
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4 RADIO ALIGNMENT
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Do not align the AM/FM package block. When the package block is necessary, it will be supplied
already aligned at the factory.
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5 CD DECK ALIGNMENT
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This model has no servo alignment points because microcomputer controls the servo circuit.
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6 LASER PRODUCTS
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7 DIMENSIONS
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8 WIRING CONNECTION
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9 TERMINALS DESCRIPTION
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9.1 Main Block
9.2 Display Block
9.3 CD Servo Block
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9.1 Main Block
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IC601 : C2CBJG000197
Pin/No. Port Description I/O Vol.(V)
FM AM CD
1 CH.SENS CD changer 1/2 detection I 5.2 5.1 5.2
2 ST FM stereo signal I 5.2 5.2 5.2
3 EJECT EJECT.KYE detection I 5.1 5.1 5.1
4 AVSS Ground - 0 0 0
5 EXT MUTE TEL/NAVI mute I 5.3 5.3 5.3
6 CH 1/2 CD changer 1/2 O 5.0 5.0 5.0
7 AVREF1 Reference voltage - 5.0 5.0 5.0
8 SUB.SO LCD data I 3.3 3.3 0
9 LCD.DI LCD data O 1.2 1.5 5.0
10 SUB.SI LCD clock O 1.5 1.5 1.5
11 CH.DATA CD changer data I 0 0 0
12 (NC) - - - - -
13 CH.CLK CD changer clock I 0 0 0
14 CH.REM CD changer remote control O 5.0 5.0 5.0
15 <K4> BZ OUT BEEP output O 0 0 0
16 CD.SO CD data I 2.4 2.5 2.3
17 CD.SI CD data O 5.0 0 0
18 CD.SCK CD clock O 5.0 5.0 5.0
19 S.W.UP Wake up O 5.0 5.0 0
20 CD.RST CD Reset O 5.0 5.0 5.0
21 AMP.CNT External AMP control O 5.0 5.0 5.0
22 ANT.CNT Antenna control O 5.0 5.0 0
23 S-HDB ON/OFF (NC) - - - - -
24 SUB W FREQ SEL (NC) - - - - -
25 (NC) - - - - -
26 (NC) - - - - -
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