Panasonic CQDP-103-U Service manual

Specification*

Order No. ACED021091C7

C4

AUTOMOTIVE AFTERMARKET

CQ-DP103U

Removable Front Panel CD Player /
Receiver

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 87.9 - 107.9MHz
Usable Sensitivity 11.0dBf (1.25µV, 75Ω)

AM Radio
Frequency Range 530 - 1,710kHz
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.

© 2003 Matsushita Electric Industrial Co., Ltd. All
rights reserved. Unauthorized copying and
distribution is a violation of law.

CQ-DP103U

CONTENTS

Page Page

1 FEATUERS 2
2 LASER PRODUCTS
3 REPLACEING THE FUSE
4 MAINTENANCE
5 NOTES
6 DIMENSIONS
7 WIRING DIAGRAM
8 BLOCK DIAGRAM
9 WIRING CONNECTION

10 SCHEMAT IC DIAGRAM 9

2

11 TERMINAL S DESCRIPTION

2

12 PACKAGE AND IC BLOCK DIAGRAM
13 REPLACEM ENT PARTS LIST

2
2

14 EXPLODED VIEW (Unit)

2

15 CD PLAYER MECHANICAL PARTS LIST
16 EXPLODED VIEW (CD Deck)

3
4

17 PACKING PARTS LIST

5

13
15
19
24
25
26
27

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.

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

2

7 WIRING DIAGRAM

CQ-DP103U

3

CQ-DP103U

8 BLOCK DIAGRAM

4

9 WIRING CONNECTION

9.1. Main Block-1

CQ-DP103U

[E-4C238] [TOP VIEW]

CQ-DP103/DP133/DPX153(U.W.D) Main PCB

5

CQ-DP103U

9.2. Main Block-2

[E-4C238] [BOTTOM VIEW]

CQ-DP103/DP133/DPX153(U.W.D) Main PCB

6

9.3. Display Block

CQ-DP103U

[E-4C239] [TOP VIEW]

[E-4C239] [BOTTOM VIEW]

CQ-DP103/DP133/DPX153(U.W.D) Display PCB

7

CQ-DP103U

9.4. CD SERVO Block

[E-4C236] [BOTTOM VIEW]

CQ-DP103/DP133/DPX153(U.W.D) CD SERVO PCB

8

10 SCHEMATIC DIAGRAM

10.1. Main Block

CQ-DP103U

CQ-DP103/DP133/DPX153(U.W.D) Main Block

9

CQ-DP103U

10.2. Display Block

E-4C239

CQ-DP103/DP133/DPX153(U.W.D) Disp Block

10