Panasonic CQ-DP143WJ User manual

General
Power Supply DC 12V (11V - 16V),
Test Voltage 14.4V
Negative Ground
Tone Controls Bass ; ±12dB at 100Hz
Treble ; ±12dB at 10kHz
Current Consumption Less than 2.2A (CD play mode,
0.5W×4ch)
Maximum Power Output 45W×4ch (at 1kHz, Vol. Max.)
Suitable Speaker Impedance 4-8Ω
Pre-Amp Output Voltage 2V (CD play mode; 1kHz, 0dB)
Output Impedance 600Ω
FM Stereo Radio
Frequency Range 87.5 - 108MHz
Usable Sensitivity 11.0dBf (1.25µV, 75Ω)
AM Radio
© 2003 Matsushita Electric Industrial Co., Ltd. All
rights reserved. Unauthorized copying and
distribution is a violation of law.
CQ-DP143WJ
Removable Front Panel CD Player /
Receiver
Frequency Range 531 - 1,602kHz
Usable Sensitivity 28dB/µV (25µV, S/N 20dB)
CD Player
Sampling Frequency 32 times oversampling
Pick-Up Type Astigma 3-beam
Light Source Semiconductor Laser
Wavelength 780nm
Frequency Response 20Hz to 20,000Hz (±1dB)
Signal to Noise Ratio 96dB
Dimensions** 178×50×150mm
Weight** 1.4kg
* Specifications and the design are subject to possible modification
without notice due to improvements.
** Dimensions and Weight shown are approximate.
AUTOMOTIVE AFTERMARKET
Specification*
ORDER No. ACED030325C3

1 FEATUERS 2
2 LASER PRODUCTS 2
3 REPLACEING THE FUSE 2
4 MAINTENANCE 2
5 NOTES 2
6 DIMENSIONS 2
7 WIRING DIAGRAM 3
8 BLOCK DIAGRAM 4
9 WIRING CONNECTION 5
1 FEATUERS
• • •
• PLL (Phase Locked Loop) synthesized tuning.
• • •
• 18-FM, 6-AM presets with preset scan
• • •
• Digital servo for reliable CD playback.
• • •
• Removable face plate.
2 LASER PRODUCTS
3 REPLACEING THE FUSE
Use fuses of the same specified rating (15A). Using different
substitutes or fuses with higher ratings, or connecting the
product directly without a fuse, could cause fire or damage to
the stereo unit.
10 SCHEMATIC DIAGRAM 9
11 TERMINALS DESCRIPTION 13
12 PACKAGE AND IC BLOCK DIAGRAM 15
13 REPLACEMENT PARTS LIST 19
14 EXPLODED VIEW (Unit) 24
15 CD PLAYER MECHANICAL PARTS LIST 25
16 EXPLODED VIEW (CD Deck) 26
17 SCHEMATIC DIAGRAM for printing with A4 size 27
4 MAINTENANCE
Your products is designed and manufactured to ensure a
minimum of maintenance. Use a dry, a soft cloth for routine
exterior cleaning. Never use benzine, thinner or other solvents.
5 NOTES
[RADIO BLOCK]
Do not align the AM/FM package block. When the package
block is necessary, it will be supplied already aligned at the
factory.
[CD DECK BLOCK]
This model has no servo alignment points because
microcomputer controls the servo circuit.
6 DIMENSIONS
CONTENTS
Page Page
2
CQ-DP143WJ

7 WIRING DIAGRAM
3
CQ-DP143WJ

8 BLOCK DIAGRAM
4
CQ-DP143WJ

9.1. Main Block-1
9 WIRING CONNECTION
CQ-DP143WJ / DP153(W.WJ) Main PCB
[E-4C238] [TOP VIEW]
5
CQ-DP143WJ

9.2. Main Block-2
[E-4C238] [BOTTOM VIEW]
CQ-DP143WJ / DP153(W.WJ) Main PCB
6
CQ-DP143WJ

9.3. Display Block
[E-4C239] [TOP VIEW] [E-4C239] [BOTTOM VIEW]
CQ-DP143WJ / DP153(W.WJ) Display PCB
7
CQ-DP143WJ

9.4. CD SERVO Block
[E-4C246] [BOTTOM VIEW]
CQ-DP143WJ / DP153(W.WJ) CD SERVO PCB
8
CQ-DP143WJ

10 SCHEMATIC DIAGRAM
10.1. Main Block
CQ-DP143WJ / DP153(W.WJ) MainBlock
CQ-DP143WJ
9

10.2. Display Block
CQ-DP143WJ / DP153(W.WJ) Display Block
E-4C239
CQ-DP143WJ
10