Panasonic CQDFX983U - AUTO RADIO/CD DECK Montageanleitung

dfx983u.html
Table Of Contents 
COVER 
1 FEATUERS 
2 REPLACING THE FUSE 
3 MAINTENANCE 
4 NOTES 
5 LASER PRODUCTS 
6 DIMENSIONS 
7 WIRING CONNECTION [CQ-DFX983U] 
8 WIRING CONNECTION [CQ-DF903U] 
9 BLOCK DIAGRAM 
9.1 Display&sol; Interface&sol;Front SW Block 
9.2 Main Block-1 [CQ-DFX983U] 
9.3 Main Block-2 [CQ-DFX983U] 
9.4 Main Block-1 [CQ-DF903U] 
9.5 Main Block-2 [CQ-DF903U] 
9.6 CD Servo Block [CQ-DFX983U] 
9.7 CD Servo Block [CQ-DF903U] 
10 TERMINALS DESCRIPTION 
10.1 Main Block [CQ-DFX983U] 
10.2 Main Block [CQ-DF903U] 
10.3 Display Block 
10.4 CD Servo Block [CQ-DFX983U] 
10.5 CD Servo Block [CQ-DF903U] 
11 PACKAGE AND IC BLOCK DIAGRAM 
11.1 Main Block 
11.2 CD Servo Block [CQ-DFX983U] 
11.3 CD Servo Block [CQ-DF903U] 
12 PACKING PARTS LIST 
13 REPLACEMENT PARTS LIST [CQ-DFX983U] 
14 EXPLODED VIEW (Unit) [CQ-DFX983U] 
15 REPLACEMENT PARTS LIST [CQ-DF903U] 
16 EXPLODED VIEW (Unit) [CQ-DF903U] 
17 CD PLAYER PARTS 
18 EXPLODED VIEW (CD Deck) 
19 WIRING DIAGRAM 
19.1 Front SW&sol; Interface Block 
19.2 Display Block 
19.3 Main Block (Top View) 
19.4 Main Block (Bottom View) 
19.5 CD Servo Block (Top View) [CQ-DFX983U] 
19.6 CD Servo Block (Bottom View) [CQ-DFX983U] 
Service Manual
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ORDER No. ACED030134C1
C4
AUTOMOTIVE AFTERMARKET 
●CQ-DFX983U 
CQ-DF903U
Removable Full Front MP3 WMA CD Player/ Receiver with Full Dot Matrix Display and CD Changer Control
Specifications* 
General 
Power Supply 12V DC (11V-16V), 
test voltage 14.4V, negative ground 
Current Consumption Less than 2.2A 
(CD play mode; 0.5W×4ch) 
Maximum Power Output 50W×4ch, at 1kHz, Vol. MAX 
Tone Adjustment Range Bass;±12 dB at 100Hz 
Treble;±12 dB at 10kHz 
 
Suitable Speaker Impedance 4-8Ω
Preamp Output Voltage 5.0V (CD play mode; 1kHz, 0 dB) 
Subwoofer Output Voltage 5.0V 
Preamp Output Impedance 60Ω
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19.7 CD Servo Block (Top View) [CQ-DF903U]

19.8 CD Servo Block (Bottom View) [CQ-DF903U]

20 SCHEMATIC DIAGRAM-1

21 SCHEMATIC DIAGRAM-2

21.1 Main Block [CQ-DFX983U]

21.2 Main Block [CQ-DF903U]

21.3 Display Block

21.4 CD Servo Block [CQ-DFX983U]

21.5 CD Servo Block [CQ-DF903U]

22 SCHEMATIC DIAGRAM for Printing with Letter Size

22.1 Main Block [CQ-DFX983U] (Left Side)

22.2 Main Block [CQ-DFX983U] (Right Side)

22.3 Main Block [CQ-DF903U] (Left Side)

22.4 Main Block [CQ-DF903U] (Right Side)

22.5 Display Block (Left Side)

22.6 Display Block (Right Side)

22.7 CD Servo Block [CQ-DFX983U] (Left Side)

22.8 CD Servo Block [CQ-DFX983U] (Right Side)

22.9 CD Servo Block [CQ-DFX903U] (Left Side)

22.10 CD Servo Block [CQ-DFX903U] (Right Side)

Subwoofer Output Impedance 60Ω

AM Radio

Frequency Range 530-1,710kHz

Usable Sensitivity 27dB/μV (11μV, S/N 20 dB)

FM Stereo Radio

Frequency Range 87.9-107.9MHz

Usable Sensitivity 10.2 dBf (0.9μV, 75Ω)

50dB Quieting Sensitivity 15.2 dBf (1.6μV, 75Ω)

Frequency Response 30-15kHz (±3 dB)

Alternate Channel Selectivity 75 dB

Stereo Separation 35dB (1kHz)

Image Response Ratio 75 dB

IF Response Ratio 100 dB

Signal To Noise Ratio 62 dB

CD Player

Sampling Frequency 8 times oversampling

Error Correction System Panasonic Super Decoding Algorithm

Pick-Up Type Astigma 3-Beam

Light Source Semiconductor Laser

Wave length 780nm

Frequency Response 20Hz-20kHz (±1 dB)

Signal To Noise Ratio 96 dB

Total Harmonic Distortion 0.01% (1kHz)

Wow and Flutter Below Measurable Limits

[CQ-DFX983U]

MP3

Bit Rate

[MPEG1 Audio Layer 3]

[MPEG2 Audio Layer 3] 32kbps-320kbps

8kbps-160kbps

Sampling Frequency 16kHz-48kHz

WMA

Bit Rate 64kbps-192kbps

Sampling Frequency 32kHz-48kHz

Dimensions** (W×H×D) 178×50×155 mm

Weight** 1.6kg

* Specifications and the design are subject to possible modification without notice due to improvements.

** Dimensions and Weight shown are approximate.

●Abovespecifications comply with EIA standards.

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1 FEATUERS

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●MP3/WMA Playback From CD-R/RW (CQ-DFX983U)

●CD Changer Control

●3D Dot Matrix Display (3DDM)

●Large-sized Volume Control

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2 REPLACING THE FUSE

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Use fuses of the same specified rating (15amps). Using different substitutes or fuses with higher ratings,

or connecting the unit directly without a fuse, could cause fire or damage to the stereo unit.

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3 MAINTENANCE

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Your product 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.

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4 NOTES

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[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.

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5 LASER PRODUCTS

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6 DIMENSIONS

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7 WIRING CONNECTION [CQ-DFX983U]

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