Panasonic CQ-C8305U Service Manual
Panasonic CQ-C8305U Service Manual

Panasonic CQ-C8305U Service Manual

Wma mp3 aac cd player/receiver

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Specifications*

General
Power Supply
Tone Controls (Bass/Treble) Bass: ±12dB at 60Hz
Equlizer Center Frequency
Variable Range of Equalizer
Current Consumption
Maximum Power Output
Speaker Impedance
Pre-amp Output Voltage
Subwoofer Output Voltage
Pre-amp Output Impedance
Subwoofer Output Impedance 200Ω
FM Stereo Radio
Frequency Range
Usable Sensitivity
50dB Quieting Sensitivity
Frequency Response
Alternate Channel Selectivity 75dB
Stereo Separation
Image Response Ratio
IF Response Ratio
Signal to Noise Ratio
AM Radio
Frequency Range
DC 12V (11V - 16V),
Test Voltage 14.4V
Negative Ground
Treble: ±12dB at 16kHz
60, 160, 400, 1k, 3k, 6k, 16k Hz
-12dB to 12dB (2dB step)
Less than 2.2A
(CD mode; 0.5W × 4-speaker)
50W × 4(at 1kHz)
4 - 8Ω
2.5V (CD mode; 1kHz, 0dB)
2.5V (CD mode; 1kHz, 0dB)
200Ω
87.9MHz - 107.9MHz
10.2dBf. (0.9µV, 75Ω)
15.2dBf. (1.6µV, 75Ω)
30Hz-15kHz (±3dB)
35dB (at 1kHz)
75dB
100dB
62dB
530kHz - 1,710kHz
AUTOMOTIVE AFTERMARKET
CQ-C8305U
WMA MP3 AAC CD Player/Receiver
Usable Sensitivity
CD Player
Sampling Frequency
DA Converter
Pick-up Type
Light Source
Wave Length
Frequency Response
Signal to Noise Ratio
Total Harmonic Distortion
Wow and Flutter
Channel Separation
Dimensions (W×H×D)**
Weight**
* Specifications and the design are subject to possible modification
without notice due to improvements.
** Dimensions and Weight shown are approximate.
** Above specifications comply with EIA standards.
© 2006 Matsushita Electric Industrial Co., Ltd. All
rights
reserved.
distribution is a violation of law.
ORDER NO. ACED061216C7
27dB/µV (S/N 20dB)
8 Times Oversampling
4 DAC System
Astigma 3-Beam
Semiconductor Laser
790 nm
20 Hz-20kHz (±1dB)
96dB
0.01% (1kHz)
Below Measurable Limits
75dB
7"×1-15/16"×6-1/8"
(178×50×155mm)
3 lbs. 8oz (1.6 kg)
Unauthorized
copying
C4
and

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Table of Contents
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Summary of Contents for Panasonic CQ-C8305U

  • Page 1: Specifications

    ORDER NO. ACED061216C7 AUTOMOTIVE AFTERMARKET CQ-C8305U WMA MP3 AAC CD Player/Receiver Specifications* General Usable Sensitivity 27dB/µV (S/N 20dB) Power Supply DC 12V (11V - 16V), CD Player Test Voltage 14.4V Sampling Frequency 8 Times Oversampling Negative Ground DA Converter 4 DAC System Tone Controls (Bass/Treble) Bass: ±12dB at 60Hz...
  • Page 2: Table Of Contents

    CQ-C8305U CONTENTS Page Page 1 ABOUT LEAD FREE SOLDER (PbF) 11 TERMINALS DESCRIPTION 2 FEATUERS 12 IC BLOCK DIAGRAM 3 REPLACEING THE FUSE 13 PACKING PARTS LIST 4 MAINTENANCE 14 REPLACEMENT PARTS LIST 5 NOTES 15 EXPLODED VIEW (Unit) 6 DIMENSIONS...
  • Page 3: About Lead Free Solder (Pbf)

    • • • • Expansion Module (The optional Hub unit: CY-EM100U) • • • • The optional adapter allows you to connect the optional Panasonic DVD changer unit (CX-DH801U). • • • • The optional adapter allows you to connect the optional Panasonic CD changer unit (CX-DP880).
  • Page 4: Wiring Connection

    CQ-C8305U 8 WIRING CONNECTION...
  • Page 5: Block Diagram

    CQ-C8305U 9 BLOCK DIAGRAM 9.1. Main-1 Block...
  • Page 6 CQ-C8305U 9.2. Main-2 Block...
  • Page 7 CQ-C8305U 9.3. Display Block...
  • Page 8 CQ-C8305U 9.4. CD Servo Block...
  • Page 9: Disassembly Instructions

    CQ-C8305U 10 DISASSEMBLY INSTRUCTIONS 10.1. How to Remove the Flexible PCB(AP2)
  • Page 10 CQ-C8305U 10.2. How to Install the Main P.C.B. of the Electric Display...
  • Page 11 CQ-C8305U...
  • Page 12: Terminals Description

    CQ-C8305U 11 TERMINALS DESCRIPTION 11.1. Main BLOCK Port Description 47 MOD0 Operating mode control 0 5.2 5.2 IC601:YEAMB90F439P from Flash writer 48 MOD1 Operating mode control 1: 5.2 5.2 Port Description pulled up to H 49 MOD2 Operating mode control 2...
  • Page 13 CQ-C8305U Port Description Port Description 93 SUB_RESE Reset for display CPU 5.1 5.1 97 NC Not connected 98 S_LED Security LED drive 94 DISPM_CO 5V power control for 99 ANT_CONT Power control for antenna 5.1 5.1 Display motor 95 NC...
  • Page 14 CQ-C8305U 11.3. CD Servo Block Pin. Port Description Play(V) Stop(V) N.C. IC101 : MN6627971TA AVSS2 AVSS2 Pin. Port Description Play(V) Stop(V) OSCIN OSCIN 1.65 1.65 CTRCRS CTRCRS VREF VREF 1.65 1.65 RESET_SW *2.1 1.65 LD-MON *2.1 1.65 TEST1 *1.8 1.65 TEST2 *1.8...
  • Page 15 CQ-C8305U Pin. Port Description I/O Play Stop Load Eject OPOUT OPOUT 1.65 1.65 1.65 1.65 PowVcc1 ”Vcc(CH1,CH2) MUTE12 ”CH1CH2, VO2(-) DRIVER CH2(-) OUTPUT VO2(+) DRIVER CH2(+) OUTPUT VO1(-) DRIVER CH1(-) OUTPUT VO1(+) DRIVER CH1(+) OUTPUT VO4(+) DRIVER CH4(+) OUTPUT VO4(-)
  • Page 16: Ic Block Diagram

    CQ-C8305U 12 IC BLOCK DIAGRAM 12.1. Main Block IC231:C0JBZS000003 IC201 : C1BB00000796 IC271:C1ZAZ0001486 IC221:C1BB00001131 IC670 : C0JBAZ000904...
  • Page 17 CQ-C8305U IC401:C1BB00001045 IC755 : C0DBZGD00040 IC730 : C0DAEKG00002 IC701 : C0DAZHF00004...
  • Page 18 CQ-C8305U IC760 : C0GBG0000032 IC752 : C0CBCBG00012 IC770:C0DBAHG00020...
  • Page 19: Packing Parts List

    CQ-C8305U 13 PACKING PARTS LIST • • • • Item numbers listed below should not order regular spare parts. (not available) Item No. Part No. Part Name & Description Q´ty Remarks Inner Carton Not available Polyethylene Bag Not available Packing Pad Front...
  • Page 20: Replacement Parts List

    CQ-C8305U 14 REPLACEMENT PARTS Ref. Part No. Part Name & Description Remarks Q760 B1GBCFNN0004 Transistor LIST Q772 B1GBCFJN0004 Transistor Q791 B1GBNCEJ0003 Transistor Notes : Q793 B1GBCFJN0004 Transistor 1. Be sure to make your orders of replacement parts DIODEs according to this list.
  • Page 21 CQ-C8305U Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C283 F1K1C106A098 Ceramic 10MFD 16WV C631 F2A1H4R7A019 Electrolytic 4.7pF 50WV C296 F1K1C474A098 Ceramic 0.47MFD 16WV C632 F1J1E104A161 Ceramic 0.1MFD 25WV C297 F1K1C474A098 Ceramic 0.47MFD 16WV...
  • Page 22 CQ-C8305U Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks J512 D0GFR00JA017 Chip 0 ohms 1/8W R298 D0GB222JA008 Chip 2.2k ohms 1/16W J513 D0GFR00JA017 Chip 0 ohms 1/8W R302 D0GB152JA008 Chip 1.5k ohms 1/16W...
  • Page 23 CQ-C8305U Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R610 D0GB473JA008 Chip 47k ohms 1/16W R761 ERDS1FJ3R9T Carbon 3.9 ohms 1/2W R612 D0GB473JA008 Chip 47k ohms 1/16W R771 D0GFR47JA016 Chip 47 ohms 1/8W...
  • Page 24 CQ-C8305U Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks D901 B0BC5R600010 Zener Diode R919 D0GB561JA008 Chip 560 ohms 1/16W D902 B0BC5R600010 Zener Diode R920 D0GB561JA008 Chip 560 ohms 1/16W D903 B0BC5R600010 Zener Diode...
  • Page 25 CQ-C8305U Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks YFE134C547CA Button(BAND/DISP/EJ) T(2-A) YFX014C097CA Indicator_ARC T(2-A) OEL 901 YEXDCM4C146 YFR044C013ZA RCA Cap T(2-B) YFM024C524CA Laser Seal T(2-B) NETWORK RESISTORs YGFD044C006 CD Deck T(1-A)
  • Page 26: Exploded View (Unit)

    CQ-C8305U 15 EXPLODED VIEW (Unit)
  • Page 27: Cd Player Parts List

    CQ-C8305U 16 CD PLAYER PARTS LIST Ref. Part No. Part Name & Description Remark C309 GRM188B31H104K Caramic,0.1uF,50WV Notes : C113 GRM188B11H334K Caramic,0.33uF,50WV C106 GRM188B11H334K Caramic,0.33uF,50WV 1. Be sure to make your orders of replacement parts C164 CM21X5R105K16AT Caramic,1uF,16WV according to this list.
  • Page 28 CQ-C8305U Ref. Part No. Part Name & Description Remark Ref. Part No. Part Name & Description Remark R167 RK73B1JTTD 103J CHIP,10K ohm,1/10W 6418 04 07 Detection Switch (1-C) R204 RK73B1JTTD 153J CHIP,15K ohm,1/10W 3032 14 344 Servo Board (2E)RT w/component...
  • Page 29: Exploded View (Cd Player)

    CQ-C8305U 17 EXPLODED VIEW (CD PLAYER)
  • Page 30: Wiring Diagram

    CQ-C8305U 18 WIRING DIAGRAM 18.1. Main/Sub Block (Top View) [E-4C308a][TOP VIEW] CQ-C7105U/C7205U/C7305N/C7405W/C8405U/C8305U/C8405U MAIN PCB...
  • Page 31 CQ-C8305U 18.2. Main/Sub Block (Bottom View) [E-4C308a][BOTTOM VIEW] CQ-C7105U/C7205U/C7305N/C7405W/C8305U/C8405U/C8405N MAIN PCB...
  • Page 32 CQ-C8305U 18.3. Display Block [E-4C309][TOP VIEW] [E-4C309][BOTTOM VIEW] CQ-C8405U/C8305U/C8405N DISPLAY PCB...
  • Page 33 CQ-C8305U 18.4. CD Servo Block (Top View) 3032-14-46][TOP VIEW] CQ-C7105U/C7205U/C7305N/C7405W /C8405N/C8405U/C8305U CD SERVO PCB...
  • Page 34 CQ-C8305U 18.5. CD Servo Block (Bottom View) [3032-14-46][BOTTOM VIEW] CQ-C7105U/C7205U/C7305N/C7405W /C8405W/C8405U/C8305U CD SERVO PCB...
  • Page 35: Schematic Diagram

    CQ-C8305U 19 SCHEMATIC DIAGRAM 19.1. Main-1 Block E-4C308a 14.3 14.3 14.4 2V/DIV.0.5mS/DIV 2V/DIV.0.5mS/DIV 2V/DIV.0.5mS/DIV 2V/DIV.10mS/DIV 2V/DIV.50uS/DIV 2V/DIV.0.2uS/DIV 2V/DIV.0.2uS/DIV 14.4 13.4 CQ-C8305U MAIN BLOCK...
  • Page 36 CQ-C8305U 19.2. Main-2 Block E-4C308a CQ-C8305U MAIN BLOCK...
  • Page 37 CQ-C8305U 19.3. Display Block E-4C309 5V/100mS 5V/50uS 5V/10mS 5V/100mS 5V/500uS 5V/100nS 5V/500mS 5V/20mS 5V/1mS CQ-C8405U/C8405N/C8305U DISPLA Y BLOCK...
  • Page 38 CQ-C8305U 19.4. CD Servo Block 3032 14 46 1.65 1.65 0.17 1.25 CQ-C7105U/C7205U/C7305N/C7405W/C8405U/C8405N/C8305U CD DECK...
  • Page 39: Schematic Diagram For Printing With Letter Size

    CQ-C8305U 20 SCHEMATIC DIAGRAM for printing with Letter size 20.1. Main1 Block (Left Side) 14.3 14.3 14.4 2V/DIV 2V/DIV.0.5mS/DIV 2V/DIV.0.2uS/DIV 2V/DIV.0.2uS/DIV 14.4 13.4...
  • Page 40 CQ-C8305U 20.2. Main1 Block (Right Side) E-4C308a 2V/DIV.0.5mS/DIV 2V/DIV.0.5mS/DIV 2V/DIV.0.5mS/DIV 2V/DIV.10mS/DIV 2V/DIV.50uS/DIV 2V/DIV.0.2uS/DIV 2V/DIV.0.2uS/DIV CQ-C8305U MAIN BLOCK...
  • Page 41 CQ-C8305U 20.3. Main2 Block (Left Side)
  • Page 42 CQ-C8305U 20.4. Main2 Block (Right Side) E-4C308a CQ-C8305U MAIN BLOCK...
  • Page 43 CQ-C8305U 20.5. Display Block (Left Side) E-4C309 5V/100mS 5V/500mS 5V/1mS...
  • Page 44 CQ-C8305U 20.6. Display Block (Right Side) 5V/100mS 5V/50uS 5V/10mS 5V/100mS 5V/500uS 5V/100nS 5V/500mS 5V/20mS 5V/1mS CQ-C8405U/C8405N/C8305U DISPLA Y BLOCK Printed in Taiwan 2006.12...

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