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VRX575USB

Clarion Co., Ltd.

7-2, Shintoshin, Chuo-Ku, Saitama-Shi, Saitama 330-0081 Japan
Service Dept.: 7-2, Shintoshin, Chuo-Ku, Saitama-Shi, Saitama 330-0081 Japan
Tel : +81-48-601-3705,  FAX : +81-48-601-3804

Service Manual

Model

VRX

575

USB

(QC-6825B-A)

RADIO/DVD MULTIMEDIA CENTER   

This product is a lead free model.
Lead free solder is used in PWB stamped LF mark.
Please keep the following conditions when you repair.

1. Use lead free solder.
2. Use a nitrogen solder system.
3. Do not use •gGeneral solder•h and •gLead free 

solder•h together.

*

*

*

NOTES

LF

Published by Service Dept. 
298-6507-00 Jan.2008
Printed in Korea

This DVD video player cannot play back DVD-Audio,

DVD-RAM, etc. This DVD player can play the following

discs. DVD video discs, Audio CDs.

This unit can play back CD-R/CD-RW, DVD-R/RW,

DVD+R/RW discs on which MP3/WMA music data have

been recorded. This unit is an ID3 Tag compatible model.

This unit supports the ID3 Tags of the version 2.4, 2.3, 1.1

and 1.0.

The DVD video system assigns a region number to DVD

Video players and DVD discs by sales area. The DVD

video region number is marked on the disc jacket.

DivX, DivX Certified, and associated logos are trademarks

of DivX Inc and are used under license.

This product includes technology owned by Microsoft

Corporation and cannot be used or distributed without a

License from MSLGP.

Windows Media  , the Windows? logo are trademarks, or

registered trademarks of Microsoft Corporation in the

United States and/or other countries.

Manufactured under license from Dolby Laboratories.

"Dolby", "Pro Logic" and the double-D symbol are

trademarks of Dolby Laboratories.

iPod   is for legal or rightholder-authorized copying only.

Don't steal music. 

iPod is a trademark of Apple Computer, Inc., registered in

the U.S. and other countries.

This product incorporates copyright protection technology

that is protected by U.S. patents and other intellectual

property rights. Use of this copyright protection technology

must

be authorized by Macrovision, and is intended for home

and other limited viewing uses only unless otherwise

authorized by Macrovision. Reverse engineering or

disassembly is prohibited.

About USB memory

USB is an acronym for Universal Serial Bus, and refers

to an external bus standard supporting data transfer

rates of 12 Mbps.

This unit is compatible with USB 1.1/2.0 with maximum

data transfer rates of 12 Mbps.

USB memory devices that can be played by connecting

to the unit's USB cable are limited to those recognized as

"USB mass storage class devices"; operation is not

guaranteed with all USB memory devices.

Devices compatible with "USB Mass Storage Class" can

be used merely by connecting to the host device, without

need for special drivers or application software.

Consult the manufacturer of your USB memory device for

information regarding whether it is supported by "USB

Mass Storage Class" standards.

Audio files playable on this unit are limited to MP3/WMA

files.

This unit isn't compatible USB Card-Reader (SD).

SPECIFICATIONS

FM Tuner

Frequency range: 

87.9MHz to 107.9MHz

Quieting sensitivity: 

20dBf

Limiting sensitivity: 

15dBf

Stereo separation: 

20dB (1kHz)

Frequency response: 

100Hz to 7kHz 

AM Tuner

Frequency range: 

530kHz to 1710kHz  

Usable sensitivity: 

40dBuV

DVD Player 

System: 

Digital versatile disc system with 

CDDA capable

Usable discs:

DVD video disc, Compact disc

Summary of Contents for VRX575USB

Page 1: ...mbol are trademarks of Dolby Laboratories iPod is for legal or rightholder authorized copying only Don t steal music iPod is a trademark of Apple Computer Inc registered in the U S and other countries This product incorporates copyright protection technology that is protected by U S patents and other intellectual property rights Use of this copyright protection technology must be authorized by Mac...

Page 2: ... 0 5 MP3 WMA Sampling rate MPEG1 44 1kHz 48kHz 32kHz MPEG2 22 05kHz 24kHz 16kHz Bit rate MPEG1 32kbps to 320kbps MPEG2 8kbps to 160kbps VBR Logical Format ISO9660 level1 2 JOLIET or Romeo Audio Amplifier Maximum power output 50W x 4ch LCD Monitor Screen size 7 inch wide type 154 0mm Width X 86 6mm Height Display method Transmission type TN QVGA TFT LCD Drive method TFT thin film transistor active ...

Page 3: ...ns paper and wipe the lens gently METHOD FOR FIRMWARE VERSION IDENTIFYING 1 Main micom media firmware 3 VRX575USB COMPONENTS For details see the attached file Components pdf TO ENGINEERS IN CHARGE OF REPAIR OR INSPECTION OF OUR PRODUCTS Before repair or inspection make sure to follow the instructions so that customers and engineers in charge of repair or inspection can avoid suffering any risk or ...

Page 4: ... of oscilloscope to pin22 of the tuner first Connect 5 6Kohm to the space between pin25 and pin20 of the tuner Set SG output to 28dBV emf and frequency to 98 0MHz or 98 1MHz Adjust FM SD of the tuner pack CET 8400 for making the waveform displayed on oscilloscope to HI and horizontal Refer to the below figure Finally reject 5 6Kohm connected between pin25 and pin20 of the tuner Finally reject 5 6K...

Page 5: ... 5 VRX575USB EXPLANATION OF IC uPD78F1165 Main system controller ...

Page 6: ... 6 VRX575USB ELECTRICAL CONNECTION 1 Wire Connection ...

Page 7: ...oading CD DVD No eject CD or DVD is loaded ejected No playing normally No Operating iPod No operating iPod No change with iPod No Operating Slide Mechanism No operating slide mechanism General and DVD player NO POWER OK NG NG NG NG NG NG NG NG OK OK OK OK OK OK Check Emitter of Q40 14V Problem extension filter box connector Check Collector of Q40 12V Check 12V stabilization circuit Q40 R23 R44 R31...

Page 8: ...only all of source NG NG NG OK OK OK Check AMP_ON AMP_MUTE normally Problem of AMP_ON AMP_MUTE circuit line Check the input signal of U80 Problem of input line circuit Problem of U5 Check EV_DA EV_CLK circuit line Imperfect of U1 Power on No sound AMP only all of source POWER on NO sound AMP only all of source NG NG NG OK OK OK Check the connection of J2 Problem of the connection of J2 Check the o...

Page 9: ...UX No sound only OK NG NG OK Check the connection of J2 Problem of the connection of RCA connector Problem of U1 U80 Check the voice input of U1 Imperfect of U80 Operating iPod voice No sound only Operating iPod voice No sound only OK NG NG OK Check the connection of iPod Problem of the connection of iPod J2 J5 Problem of U32 U7 U1 U80 Check iPod_LIN iPod_RIN circuit line U32 Imperfect of U7 3 NO ...

Page 10: ...er supply 5V Problem of touch_5V circuit line Problem of Q35 Q36 Check the power supply of LCD Imperfect of TUNER1 NG OK Problem of the power Of LCD Check the power supply to touch panel micom OK No switch on LCD back light No display the image NG NG NG OK OK Check the panel section Check DVD mechanism Problem of the connection of J8 Check the connection of J8 Problem of U5 OK Problem of LCD PANEL...

Page 11: ...o eject NG Problem of DVD mechanism detective parts Escutcheon section Check the disc detective Imperfect of DVD mechanism NG Problem of U24 check of U24 DVD 8V OK NG Problem of DVD mechanism Escutcheon section Check eject the disc normally OK NG Problem of DVD mechanism loading part Check stopping in the time out on the way OK OK CD or DVD is loaded ejected No playing normally CD or DVD is loaded...

Page 12: ...NO OPERATIONG SLIDE MECHANSIM No operating Slide mechanism 9 General and DVD player No operating Slide mechanism NG Confirm the horizontally position Defective of Sub PWB NG Confirm lack and bite of a gear calibration of horizontally position Defective of Q40 Confirm Irregularity operating OK NG Voltage Check MOTOR 10V Line Q5 OK OK No charge with iPod No charge with iPod Problem of Q43 Q49 U39 NG...

Page 13: ... 13 VRX575USB EXPLODED VEIW PARTS LIST ...

Page 14: ... 14 VRX575USB ELECTRICAL PART LIST ...

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Page 20: ... 20 VRX575USB BLOCK DIAGRAM VRX 575USB Block Diagram ...

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