Panasonic CQDFX983U - AUTO RADIO/CD DECK Assembly instructions

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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/ Interface/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/ 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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