Panasonic CQ-DPX172U Service Manual
Panasonic CQ-DPX172U Service Manual

Panasonic CQ-DPX172U Service Manual

Removable front panel mp3 cd player / receiver with changer control
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Specifications*

General
Power Supply
Tone Adjustment Range
Current Consumption
Maximum Power Output
Suitable Speaker Impedance
Pre-AMP Output Voltage
Output Impedance
FM Stereo Radio
Frequency Range
Usable Sensitivity
AM Radio
Frequency Range
Usable Sensitivity
CD Player
Sampling Frequency
Pick-Up Type
Light Source
AUTOMOTIVE CONSUMER ELECTRONICS
DC 12V (11V - 16V),
Test Voltage 14.4V
Negative Ground
Bass ; ±12dB at 100Hz
Treble ; ±12dB at 10kHz
Less than 2.2A (CD play mode,
0.5W×4ch)
45W×4ch (at 1kHz, Vol. Max.)
4-8Ω
2V (CD play mode; 1kHz, 0dB)
200Ω
87.9 - 107.9MHz
11.0 dBf (1.25µV, 75Ω)
530 - 1,710kHz
28dB/µV (25µV, S/N 20dB)
32 times over sampling
Astigma 3-beam
Semiconductor Laser
CQ-DPX172U
Removable Front Panel MP3 CD Player
/ Receiver with Changer Control
Wavelength
Frequency Response
Signal to Noise Ratio
Wow and Flutter
Channel Separation
Dimensions**
Weight**
* Specifications and the design are subject to possible modification
without notice due to improvements.
** Dimensions and Weight shown are approximate.
Avobe specifications comply with EIA standards.
© 2002 Matsushita Communication Industrial Co.,
Ltd. All rights reserved. Unauthorized copying and
distribution is a violation of law.
ORDER No. ACED020274C1
780nm
20Hz to 20,000Hz (±1dB)
96dB
Below measurable limits
75dB
7"×1 15/16"×5 7/8"
(178×50×150mm)
3lbs. 5oz (1.5kg)
C4

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Summary of Contents for Panasonic CQ-DPX172U

  • Page 1: Specifications

    ORDER No. ACED020274C1 AUTOMOTIVE CONSUMER ELECTRONICS CQ-DPX172U Removable Front Panel MP3 CD Player / Receiver with Changer Control Specifications* General Wavelength 780nm Power Supply DC 12V (11V - 16V), Frequency Response 20Hz to 20,000Hz (±1dB) Test Voltage 14.4V Signal to Noise Ratio...
  • Page 2: Table Of Contents

    CQ-DPX172U CONTENTS Page Page 1 FEATUERS 10 PACKAGE AND IC BLOCK DIAGRAM 2 REPLACEING THE FUSE 11 REPLACEMENT PARTS LIST 3 MAINTENANCE 12 EXPLODED VIEW (Unit) 4 NOTES 13 CD PLAYER PARTS 5 DIMENSIONS 14 EXPLODED VIEW (CD Deck) 6 LASER PRODUCTS...
  • Page 3: Wiring Connection

    CQ-DPX172U 7 WIRING CONNECTION...
  • Page 4: Block Diagram

    CQ-DPX172U 8 BLOCK DIAGRAM...
  • Page 5: Terminals Description

    CQ-DPX172U 9 TERMINALS DESCRIPTION 9.1. Main Block RDS DATA Not used /RESET Reset input IC600 : C2BBGF000292 Remocon data input BATT Battery detection Port Description RDS CLK Not used CD.C.STB (Ground pull-down) INIT C Initial C MUTE Mute control No connection...
  • Page 6 CQ-DPX172U 9.3. CD Servo Block ERROR MP3 DSP error detection MUTE Voice signal mute IC501 : MN101C28LAC Traverse motor control Loading motor drive output cont. Port Description Fo & Tr actuator driver output cont. Loading motor control VREF- Reference voltage for ADC (GND)
  • Page 7: Package And Ic Block Diagram

    CQ-DPX172U 10 PACKAGE AND IC BLOCK DIAGRAM 10.1. Main Block PA51 : C5BA00000092 IC201 : YEAMEA6320TT...
  • Page 8 CQ-DPX172U IC400 : C1BB00000541 IC601 : AN8065SE1 IC270 : C1EA00000026 IC704 : C0DAZHF00003 IC650 : YEAMC14584BE...
  • Page 9 CQ-DPX172U 10.2. Display Block IC902 : YEAMSBX8035F 10.3. CD Servo Block IC441 : C0JBAE000087 IC541 : YEAMT7ST32UL IC901 : C0GBY0000012...
  • Page 10: Replacement Parts List

    CQ-DPX172U 11 REPLACEMENT PARTS Ref. Part No. Part Name & Description Remarks YECUS1H273KX Ceramic, 0.027µF 50WV LIST YECUS1H273KX Ceramic, 0.027µF 50WV YECUS1H102KX Ceramic, 0.001µF 50WV Notes : C201 F1J1H121A025 Ceramic, 120PF 50WV C203 ECEA1HKS3R3I Electrolytic, 3.3µF 50WV 1. Be sure to make your orders of replacement parts...
  • Page 11 CQ-DPX172U Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks Chip, 56kΩ Ω Ω Ω 1/10W C720 YECUS1E104ZF Ceramic, 0.1µF 25WV R409 ERJ6GEYJ563 Chip, 10Ω Ω Ω Ω 1/10W C721 YECUS1C224KX Ceramic, 0.22µF 16WV...
  • Page 12 CQ-DPX172U Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks CN280 YEAE012503 Connector, 1P RCA RESISTORs Chip, 4.7Ω Ω Ω Ω 1/10W CN300 YEAE02166 Connector, 4P RCA R901 ERJ6GEYJ4R7 Chip, 1kΩ Ω Ω Ω 1/10W...
  • Page 13 CQ-DPX172U Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks YEADAN1102W Diode C907 YECUZ1C104KX Ceramic, 0.1µF 16WV YEADAN1102W Diode C908 YECUZ1C104KX Ceramic, 0.1µF 16WV D501 MA152WKTX Diode C909 ECEV0GA470SR Electrolytic, 47µF 4WV D521...
  • Page 14 CQ-DPX172U Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks Chip, 1.5kΩ Ω Ω Ω 1/16W R530 ERJ3GEYJ152V YEAJ071285 Cord w/Plug Chip, 0Ω Ω Ω Ω 1/10W R531 ERJ6GEY0R00V YEAT03420 Terminal (Main P.C.B) Chip, 47Ω...
  • Page 15: Exploded View (Unit)

    CQ-DPX172U 12 EXPLODED VIEW (Unit)
  • Page 16: Cd Player Parts

    CQ-DPX172U 13 CD PLAYER PARTS MISCELLANEOUS Ref. Part No. Part Name & Description Remarks YGFA011781 Upper Chassis (4-A) YGFX236153 Disk Guide (4-A) YGFX0462017 Link Lever (4-A) YGFX0462018 Detection Lever (2) (4-B) YGFX0052357 Detection Lever (2) Spring (4-B) YEJT03216 Screw (2-C)
  • Page 17: Exploded View (Cd Deck)

    CQ-DPX172U 14 EXPLODED VIEW (CD Deck)
  • Page 18: Packing Parts List

    CQ-DPX172U 15 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 Packing Pad Front Not available Packing Pad Rear...
  • Page 19: Wiring Diagram

    CQ-DPX172U 16 WIRING DIAGRAM 16.1. Display Block [E-9169][Top View] [E-9169][Bottom View] CQ-DPX172U Display...
  • Page 20 CQ-DPX172U 16.2. Main Block (Top View) [E-6882Ba][Top View] [E-6882Bb] [Top View] CQ-DPX172U MAIN P.C.B.
  • Page 21 CQ-DPX172U 16.3. Main Block (Bottom View) [E-6882Ba][Bottom View] [E-6882Bb] [Bottom View] CQ-DPX172U MAIN P.C.B.
  • Page 22 CQ-DPX172U 16.4. CD Servo Block (Top View) [E-9068Bd] [Top View] [E-9068Ba] [Top View] [E-9068Bc] [Top View] [E-9068Bb] [Top View] CQ-DPX172U NCD8 (MP3)
  • Page 23 CQ-DPX172U 16.5. CD Servo Block (Bottom View) [E-9068Bd] [Bottom View] [E-9068Ba] [Bottom View] [E-9068Bb] [Bottom View] [E-9068Bc] [Bottom View] CQ-DPX172U NCD8 (MP3)
  • Page 24: Schematic Diagram -1

    CQ-DPX172U 17 SCHEMATIC DIAGRAM -1 17.1. Display Block...
  • Page 25: Schematic Diagram -2

    CQ-DPX172U 18 SCHEMATIC DIAGRAM -2 18.1. Main Block...
  • Page 26 CQ-DPX172U 18.2. CD Servo Block B3HB00000012 B3HB00000012 B3HB00000012 CQ-DPX172U CD DECK Printed in Japan (K) 2002. 2 (Recycled Paper)
  • Page 27 CQ-DPX172U 17 SCHEMATIC DIAGRAM -1 17.1. Display Block...
  • Page 28 CQ-DPX172U 18 SCHEMATIC DIAGRAM -2 18.1. Main Block...
  • Page 29 CQ-DPX172U 18.2. CD Servo Block B3HB00000012 B3HB00000012 B3HB00000012 CQ-DPX172U CD DECK Printed in Japan (K) 2002.2 (Recycled Paper)

Table of Contents