Panasonic CQ-DFX572N Service Manual

cqdfx572n.html

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.

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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

(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.

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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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27 AMP MUTE Mute control O 5.0 5.0 5.0 28 CD ON CD ON output O 5.0 5.0 5.0 29 CD MUTE CD mute detection O 0.3 0 0 30 CD SW2 (NC) - - - - 31 SPE.A Spectrum analyzer 4.8 4.8 4.8 32 SPE.B Spectrum analyzer 4.8 4.8 4.8 33 VSS1 (Connecting to Ground) - 0 0 0 34 SPE.C Spectrum analyzer 4.8 4.7 4.7 35 ILL.CNT ILL control O 0 0 5.0 36 SCL Electronic volume clock O 4.4 4.4 4.4 37 SDA Electronic volume data I/O 4.4 4.4 4.4 38 S.LED S LED control O 0 0 0 39 EJ. ILL Eject LED control O 5.1 5.1 0 40 SEL Spectrum analyzer O 0.5 0.4 0.5 41 PLL.DI PLL data O 0 0 0 42 PLL.DO PLL data I 5.2 5.2 5.2 43 PLL.CLK PLL clock O 5.0 5.0 5.0 44 PLL.CE PLL Control chip enabe O 0 0 0 45 PANEL PANEL ON/OFF detection I 0 0 0 46 OP/CL PANEL OPEN/CLOSE detection I 5.1 5.1 0 47 NC - - - - 48 LCD 5V CNT +5V power supply control O 5.0 5.0 5.0 49 (NC) - - - - 50 NC - - - - 51 DIM1 Dimmer control 1 O 0 0 0 52 DIM2 Dimmer control 2 O 0 0 0 53 DECK V CONT (NC) - - - - 54 AF.MUTE Audio mute control O 5.0 5.0 5.0 55 (NC) - - - - 56 INV.CNT INV power control O 5.0 5.0 0 57 MAIN CNT Main power control O 4.8 4 4.8 58 ACC ACC detection I 5.0 5.0 5.0 59 RDS DATA RDS data input I 2.8 0 0 60 RESET Reset input I 5.0 5.0 5.0

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61 M.W.UP Main wake up request I 4.9 4.9 4.9 62 BATT Battery detection I 5.0 5.0 5.0 63 RDS CLK RDS clock input I 2.5 0 0 64 CH.STRB CD changer strobe I 0 0 0 65 ROTARY 1 Rotary encoder 1 O 0 0 0 66 ROTARY 2 Rotary encoder 2 O 0 0 0 67 VSS0 Ground - 0 0 0 68 VDD1 +5V power supply - 5.0 5.0 5.0 69 X2 Crystal oscillator - 3.1 3.1 3.1 70 X1 Crystal oscillator I 2.4 2.4 2.4 71 VPP Vpp - 0 0 0 72 SUB X2 Crystal oscillator - 3.1 3.1 3.1 73 SUB X1 Crystal oscillator I 2.4 2.4 2.4 74 VDD0 +5V power supply - 5.0 5.0 5.0 75 AVREF Reference voltage - 5.0 5.0 5.0 76 SD FM/AM signal meter I 0 0 0 77 INIT.A Initialize set up A I 0 0 0 78 INIT.B Initialize set up B I 0 0 0 79 A.IN Spectrum analyzer I 0 0 0 80 (NC) - - - - -

Note :

Voltage measuerments are with respect to ground, with a voltmeter (Internal resistance : 10M ohms.)

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9.2 Display Block

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IC901 : C0HBA0000048

Pin No. Port Description I/O Volt./(V)

1 - 59 SEG1 - SEG59 LCD Segment O 3.2 60 - 69 COM10 - COM1 LCD Common O 3.2 70 - 74 KS1 - KS5 Key Data Output O 5.3

75 KS6 (NC) - - 76 KI1 Key Data Input I 0 77 KI2 Key Data Input I 0 78 KI3 Connecting to GND - 0 79 KI4 Connecting to GND - 0 80 KI5 Connecting to GND - 0 81 P1 LCD Segment O 5.3 82 P2 (NC) - - 83 P3 (NC) - - 84 P4 (NC) - - 85 VDD +5V Power Supply - 5.3 86 VLCD LCD Control Voltage I 8.3 87 VLCD0 LCD Control Voltage 0 6.3 88 VLCD1 LCD Control Voltage 1 4.7 89 VLCD2 LCD Control Voltage 2 3.2 90 VLCD3 LCD Control Voltage 3 1.6 91 VLCD4 LCD Control Voltage 4 I 0 92 VSS Connecting to GND - 0 93 TEST Connecting to GND - 0 94 OSC0 CR Oscillator I 3.0 95 OSC1 CR Oscillator I 0 96 INH Inhibit Input - 5.3 97 DO LCD Data Output O 4.9 98 CE LCD Chip Enable Input I 0

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99 CLK LCD Clock Input I 4.9

100 DI LCD Data Input I 0

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9.3 CD Servo Block

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IC501 : MN101C28LAC2

Pin/No. Port Description I/O Volt./(V)

1 VREF- Reference voltage for ADC (GND) - 0 2 PA0 (Connecting to GND) - 0 3 PA1 Disc-In sensor I 2.9 4 PA2 Feeder arm SW I 3.0 5 PA3 Disc-Out sensor I 3.0 6 PA4 Clamp SW I 0 7 PA5 Inner SW I 3.3 8 PA6 Disc-In sensor I 1.5

9 PA7 Not used - 3.3 10 VREF+ Reference voltage for ADC (+3.3V) - 3.3 11 VDD Power supply (+3.3V) - 3.3 12 OSC2 System clock (7.37MHz) O 1.6 13 OSC1 System clock (7.37MHz) I 1.5 14 VSS Ground - 0 15 XI (Connecting to GND) - 0 16 XO (NC) No connection - 17 MMOD (Connecting to GND) - 0 18 SOM Serial data output O 0.5 19 SIM Serial data input I 0.5 20 SCK Shift clock for serial data I 3.0 21 SB01/P03 No connection - 22 SUBC CD-TEXT data I 0 23 SBCK CD-TEXT clock O 3.3 24 P06 (NC) No connection - 25 RESET Reset input I 3.3 26 MDATA MPU communication data O 1.0 27 MCLK Shift clock for MDATA O 2.5

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28 SCK Shift clock for serial data I 2.2 29 STAT Servo LSI status I 0 30 TM4IO/ P14 No connection - 31 POBF MP3 DSP status I 0 32 DATAREQ MP3 DSP NEXT data request I 3.0 33 CD. ON CD operation mode I 3.2 34 DQSY CD-TEXT/SUBQ sync. I 0 35 BLKCK BLKCK signal I 3.3 36 SQCK Clock for sub. code data I 1.5 37 SUBQ Sub. code data I 0 38 SBT2/ P32 (Connecting to GND) O 0 39 MLD MPU command load O 3.3 40 ACK MP3 DSP acknowledge O 0 41 IOSEL Servo LSI mode setting O 3.3 42 VDD2 Power supply for flash write - 3.3 43 VPP Power supply for flash write - 3.3 44 DSPP0 MP3 DSP data (bit0) I/O 0 45 DSPP1 MP3 DSP data (bit1) I/O 0 46 DSPP2 MP3 DSP data (bit2) I/O 0 47 DSPP3 MP3 DSP data (bit3) I/O 0 48 DSPP4 MP3 DSP data (bit4) I/O 0 49 DSPP5 MP3 DSP data (bit5) I/O 0 50 DSPP6 MP3 DSP data (bit6) I/O 0 51 DSPP7 MP3 DSP data (bit7) I/O 0 52 PCS MP3 DSP chip select O 0 53 PWE MP3 DSP write enable O 0 54 PRE MP3 DSP read enable O 1.3 55 PIBE MP3 status for data input I 3.3 56 DSPRST DSP reset O 3.3 57 PRST Servo LSI reset O 2.2 58 STAT Servo LSI status I 0 59 DMUTE Digital voice signal mute O 0 60 TLOCK Tracking lock I 0 61 FLOCK Focus lock I 0

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62 SENSE Servo LSI detection I 0 63 STOP MP3 DSP stop O 0 64 ERROR MP3 DSP error detection I 1.3 65 MUTE Voice signal mute O 2.5 66 TRV Traverse motor control I/O 1.6 67 PC1 Loading motor drive output cont. O 0 68 PC2 Fo & Tr actuator driver output cont. O 3.3 69 LOD Loading motor control I/O 1.6 70 P75 (NC) No connection - 71 P76 (NC) No connection - 72 GCTL RF amp gain control O 1.3 73 P87 (NC) No connection - 74 P86 (NC) No connection - 75 P85 (NC) No connection - 76 P84 (NC) No connection - 77 P83 (NC) No connection - 78 IPFLAG (NC) No connection - 79 PHOTO Photo sensor power control O 0 80 P80 (NC) No connection - -

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10 PACKAGE AND IC BLOCK DIAGRAM

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10.1 Main Block

10.2 CD Servo Block

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10.1 Main Block

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IC201 : C1BB00000543

IC231 : YEAMM2115MT1

IC271 : C1EA00000029

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IC401 : C1BB00000644

IC501 : YEAMDA7479D

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