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Panasonic CQ-C8401W Service Manual

Wma mp3 cd player / receiver with full dot matrix display.
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Specifications*

General
Power Supply
Tone Controls (Bass/Treble) Bass: ±12dB at 60Hz
Equalizer Center Frequency
Variable Range of Equalizer
Current Consumption
Maximum Power Output
<CQ-C8401W>
<CQ-C7401W>
Speaker Impedance
Pre-amp Output Voltage
Subwoofer Output Voltage
Pre-amp Output Impedance
Subwoofer Output Impedance 60Ω
CD Player
Sampling Frequency
Pick-up Type
Light Source
Wave Length
Frequency Response
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)
60W × 4(at 4Ω)
50W × 4(at 4Ω)
4 - 8Ω
5V
5V
60Ω
8 Times Oversampling
Astigma 3-Beam
Semiconductor Laser
790 nm
20Hz-20kHz (±1dB)
AUTOMOTIVE AFTERMARKET
CQ-C8401W
CQ-C7401W
WMA MP3 CD Player/Receiver with Full
Dot Matrix Display
Signal to Noise Ratio
Total Harmonic Distortion
Wow and Flutter
Channel Separation
FM Stereo Radio
Frequency Range
Usable Sensitivity
Stereo Separation
AM Radio
Frequency Range
Usable Sensitivity
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.
© 2005 Matsushita Electric Industrial Co., Ltd. All
rights
reserved.
distribution is a violation of law.
ORDER NO. ACED050309C3
96dB
0.01% (1kHz)
Below Measurable Limits
75dB
87.5MHz - 108MHz
6dB/µV (S/N 30dB)
35dB (at 1kHz)
531kHz - 1,602kHz
28dB/µV (S/N 20dB)
178×50×155mm
1.6Kg
Unauthorized
copying
and

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Table of Contents

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   Summary of Contents for Panasonic CQ-C8401W

  • Page 1: Specifications

    ORDER NO. ACED050309C3 AUTOMOTIVE AFTERMARKET CQ-C8401W CQ-C7401W WMA MP3 CD Player/Receiver with Full Dot Matrix Display Specifications* General Signal to Noise Ratio 96dB Power Supply DC 12V (11V - 16V), Total Harmonic Distortion 0.01% (1kHz) Test Voltage 14.4V Wow and Flutter...
  • Page 2: Table Of Contents

    CQ-C8401W / CQ-C7401W CONTENTS Page Page 1 ABOUT LEAD FREE SOLDER (PbF) 11 TERMINALS DESCRIPTION 2 FEATURES 12 IC BLOCK DIAGRAM 3 REPLACEING THE FUSE 13 REPLACEMENT PARTS LIST 4 MAINTENANCE 14 EXPLODED VIEW (Unit) 5 NOTES 15 CD PLAYER PARTS LIST...
  • Page 3: About Lead Free Solder (pbf)

    CQ-C8401W / CQ-C7401W [CD DECK BLOCK] 1 ABOUT LEAD FREE This model servo alignment points because SOLDER (PbF) microcomputer controls the servo circuit Distinction of PbF PCB: 6 DIMENSIONS PCBs (manufactured) using lead free solder will have a PbF stamp on the PCB.
  • Page 4: Wiring Connection

    CQ-C8401W / CQ-C7401W 8 WIRING CONNECTION 8.1. CQ-C8401W...
  • Page 5 CQ-C8401W / CQ-C7401W 8.2. CQ-C7401W...
  • Page 6: Block Diagram

    CQ-C8401W / CQ-C7401W 9 BLOCK DIAGRAM 9.1. Main-1 Block [CQ-C8401W]...
  • Page 7 CQ-C8401W / CQ-C7401W 9.2. Main-1 Block [CQ-C7401W]...
  • Page 8 CQ-C8401W / CQ-C7401W 9.3. Main-2/Display Block...
  • Page 9 CQ-C8401W / CQ-C7401W 9.4. CD Servo Block...
  • Page 10: Disassembly Instructions

    CQ-C8401W / CQ-C7401W 10 DISASSEMBLY INSTRUCTIONS 10.1. How to Remove the Flexible PCB(AP2)
  • Page 11 CQ-C8401W / CQ-C7401W 10.2. How to Install the Main P.C.B. of the Electric Display...
  • Page 12 CQ-C8401W / CQ-C7401W...
  • Page 13: Terminals Description

    CQ-C8401W / CQ-C7401W 11 TERMINALS DESCRIPTION 11.1. Main Block Port Description (I/O) AM CD IC601 : C2CBJG000589 50 H STANDBY External standby input Port Description (I/O) 51 DC DC CNT DC/DC control for 60W AM CD (CQ-C8401W) PANEL OPEN PANEL OPEN detection 5.2 5.2...
  • Page 14 CQ-C8401W / CQ-C7401W 11.2. Display Block Port Description (I/O) AM CD IC900 C2CBJH000095 98 S LED Security LED control output Port Part Name & Description 99 PANEL IN PANEL detect 5.2 5.2 FLASH A17 100 EP CS(NC) No Connection FLASH A18...
  • Page 15 CQ-C8401W / CQ-C7401W 11.3. CD Servo Block Port Part Name & Description KI1(SOURCE) Key return signal 1 INT/I IC401 : YESAM275 REMO INT Remote control signal Port Descriptions interference NC/WP/ACC No Connection CVSS1 NC/A21 No Connection TP407 NC/A22 No Connection...
  • Page 16 CQ-C8401W / CQ-C7401W Port Descriptions Port Descriptions DATA M AUDIO serial data output 120 STAT Status signal input 121 D13 Data path of FLASH ROM Serial data output 122 D14 123 D15 /NMI 125 CVDD6 CORE CPU system (1.6V) power...
  • Page 17: Ic Block Diagram

    CQ-C8401W / CQ-C7401W 12 IC BLOCK DIAGRAM 12.1. Main Block IC241 : C1BB00000650 IC201 : C1BB00000796 IC251 : C1BB00000649 IC670 : YEAMC14584BE...
  • Page 18 CQ-C8401W / CQ-C7401W IC401 : C1BB00000644 IC701 : C0DAZHF00004 IC271 : C1EA00000043 IC702 : AN8065SE1 IC730 : C0DAEKG00002...
  • Page 19 CQ-C8401W / CQ-C7401W 12.2. Display Block IC752 : C0CAABG00012 IC901 : MBM29V13UW IC755 : C0DBZGD00040 IC902 : C0EBF0000374 IC760 : C0GBG0000032 IC903 : B3MBZ0000006...
  • Page 20 CQ-C8401W / CQ-C7401W 12.3. CD Servo Block IC402 : YESAM280 IC403 : YESAM171 IC404 : YESAM178 IC405 : YESAM270...
  • Page 21: Replacement Parts List

    5. "A" or "B" marks in remarks column are indicated as D701 YEADDAM3MA47 Diode follows : D702 MA736TX Diode • • • • A : CQ-C8401W D703 YEADRD56M3T1 Diode D704 B0JCMC000004 Diode • • • • B : CQ-C7401W D705...
  • Page 22 CQ-C8401W / CQ-C7401W Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks C265 F2A1H4R7A632 Electrolytic, 4.7µF 50WV C715 YECUS1E104ZF Ceramic, 0.1µF 25WV C267 ECQV1H474JL2 Plastic Film, 0.47µF 50WV C716 YECUS1C104KX Ceramic, 0.1µF 16WV...
  • Page 23 CQ-C8401W / CQ-C7401W Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks J558 ERJ8GX0R00V Chip, 0Ω 1/8W R352 ERJ8GEYJ393V Chip, 39kΩ 1/8W J559 ERJ8GX0R00V Chip, 0Ω 1/8W R353 ERJ3GEYJ273 Chip, 27kΩ 1/16W...
  • Page 24 CQ-C8401W / CQ-C7401W Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R672 ERJ3GEYJ104V Chip, 100kΩ 1/16W XL601 H0J419400009 Crystal Oscillator R673 ERJ3GEYJ104V Chip, 100kΩ 1/16W R674 ERJ3GEYJ272V Chip, 2.7kΩ 1/16W...
  • Page 25 CQ-C8401W / CQ-C7401W Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks DIODEs R913 ERJ3GEYJ222V Chip, 2.2kΩ 1/16W D901 B0BC5R600003 Diode R914 ERJ3GEYJ222V Chip, 2.2kΩ 1/16W D903 B0BC4R000006 Diode R916 ERJ3GEYJ184V Chip, 180kΩ...
  • Page 26 CQ-C8401W / CQ-C7401W Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks RA911 D1H822140004 Network Resistor YEFE139472 Button, DISP YEFE139476 Button, Pause/Play/BAND/SET/APM YEFE139482 Button, P.SET/DISC/TUNE/TRACK THERMISTOR YEFE139568 Button, (FOLDER) TH900 D4CC14730002...
  • Page 27: Exploded View (unit)

    CQ-C8401W / CQ-C7401W 14 EXPLODED VIEW (Unit)
  • Page 28: Cd Player Parts List

    CQ-C8401W / CQ-C7401W 15 CD PLAYER PARTS LIST Ref. No. Part No. Part Name & Description Remarks C303 YESCC185 Ceramic, 0.01µF 50WV C304 YESCC185 Ceramic, 0.01µF 50WV Notes : C305 YESCC382 Ceramic, 680pF 50WV C306 YESCC382 Ceramic, 680pF 50WV 1. Be sure to make your orders of replacement parts...
  • Page 29 CQ-C8401W / CQ-C7401W Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R216 YESRG237 Chip, 5.6kΩ 1/10W RA403 YESXA002 Resistor Network, 100Ω * 4 R217 YESRG222 Chip, 1kΩ 1/10W RA404 YESXA002 Resistor Network, 100Ω...
  • Page 30 CQ-C8401W / CQ-C7401W Ref. No. Part No. Part Name & Description Remarks YESFX046150 Loading Roller YESJS01175 Collar Screw YERJT01001 Tapping Screw 2*3 YERJT01002 Tapping Screw 2*4 YEJT03117 Tapping Bind Screw 2*4 YERJS01002 Camera Screw 1.7*1.8 YERJS01003 Camera Screw 2*2 YERJS01004 Camera Tapping Screw 1.7*5...
  • Page 31: Exploded View (cd Player)

    CQ-C8401W / CQ-C7401W 16 EXPLODED VIEW (CD PLAYER)
  • Page 32: Wiring Diagram

    CQ-C8401W / CQ-C7401W 17 WIRING DIAGRAM 17.1. Main/Connector Block (Top View)
  • Page 33 CQ-C8401W / CQ-C7401W 17.2. Main/Connector Block (Bottom View)
  • Page 34 CQ-C8401W / CQ-C7401W 17.3. Display Block...
  • Page 35 CQ-C8401W / CQ-C7401W 17.4. DC-DC Block [CQ-C8401W]...
  • Page 36 CQ-C8401W / CQ-C7401W 17.5. CD Servo Block (Top View)
  • Page 37 CQ-C8401W / CQ-C7401W 17.6. CD Servo Block (Bottom View)
  • Page 38: Schematic Diagram-1

    CQ-C8401W / CQ-C7401W 18 SCHEMATIC DIAGRAM-1 18.1. DC-DC Block [CQ-C8401W]...
  • Page 39 CQ-C8401W / CQ-C7401W 19 SCHEMATIC DIAGRAM-2 19.1. Main-1 Block...
  • Page 40 CQ-C8401W / CQ-C7401W 19.2. Main-2/Display Block MBM29V13UW...
  • Page 41 CQ-C8401W / CQ-C7401W 19.3. CD Servo Block To Main P.C.B 18P Connector CN101 3032-14-14 TP401 TP402 SYS 3.3V 3.3V(RAM) 3.3V 3.3V L201 L401 L402 Di gital GND R201 C418 C417 0.1u 6.8k R215 TP202 5.6k C419 0.1u R216 5.6k J104 0...
  • Page 42: Schematic Diagram-2

    19 SCHEMATIC DIAGRAM-2 19.1. Main-1 Block...
  • Page 43 CQ-C8401W / CQ-C7401W...
  • Page 44 CQ-C8401W / CQ-C7401W 19.2. Main-2/Display Block...
  • Page 45 MBM29V13UW...
  • Page 46 19.3. CD Servo Block To Main P.C.B 18P Connector CN101 3032-14-14 TP401 SYS 3.3V L201 L401 L402 Di gital GND R201 6.8k R215 TP202 5.6k R216 5.6k J104 0 R204 1k TP203 BA 5814FM CH1 Spindl e Motor CH2 Fe ed Motor CH3 Loa ding Motor (Not use) CH4 Focus Coil CH5 Tracking Coil...
  • Page 47 CQ-C8401W / CQ-C7401W nnector 3032-14-14 TP401 TP402 SYS 3.3V 3.3V(RAM) 3.3V 3.3V L401 L402 Di gital GND C418 C417 0.1u C419 0.1u J104 0 IC402 YESAM280 FLASH L403 R423 /RST RESET C415 C413 0.1u 0.1u TP403 CV DD C414 0.1u C412 0.1u...

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