Panasonic CQ-C8303U - WMA/MP3/CD Player/Receiver With 4096 Color OEL..., Service Manual

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General
Power Supply DC 12V (11V - 16V),
Test Voltage 14.4V
Negative Ground
Tone Controls (Bass/Treble) Bass: ±12dB at 60Hz
Treble: ±12dB at 16kHz
Equalizer Center Frequency 60, 160, 400, 1k, 3k, 6k, 16k (Hz)
Variable Range of Equalizer -12dB to 12dB (2dB step)
Current Consumption Less than 2.2A
(CD mode; 0.5W × 4-speaker)
Maximum Power Output 50W × 4(at 1kHz)
Speaker Impedance 4 - 8
Ω
Pre-amp Output Voltage
<CQ-C8403U> 5V (CD mode; 1kHz, 0dB)
<CQ-C8303U> 2.5V (CD mode; 1kHz, 0dB)
Subwoofer Output Voltage
<CQ-C8403U> 5V (CD mode; 1kHz, 0dB)
<CQ-C8303U> 2.5V (CD mode; 1kHz, 0dB)
Pre-amp Output Impedance
<CQ-C8403U> 60
Ω
<CQ-C8303U> 200
Ω
Subwoofer Output Impedance
<CQ-C8403U> 60
Ω
<CQ-C8303U> 200
Ω
FM Stereo Radio
Frequency Range 87.9MHz - 107.9MHz
Usable Sensitivity 10.2dBf. (0.9µV, 75
Ω
)
50dB Quieting Sensitivity 15.2dBf. (1.6µV, 75
Ω
)
Frequency Response 30Hz-15kHz (±3dB)
Alternate Channel Selectivity 75dB
© 2005 Matsushita Electric Industrial Co., Ltd. All
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reserved. Unauthorized copying and
distribution is a violation of law.
CQ-C8403U
CQ-C8303U
WMA MP3 CD Player/Receiver
Stereo Separation 35dB (at 1kHz)
Image Response Ratio 75dB
IF Response Ratio 100dB
Signal to Noise Ratio 62dB
AM Radio
Frequency Range 530kHz - 1,710kHz
Usable Sensitivity 27dB/µV (S/N 20dB)
CD Player
Sampling Frequency 8 Times Oversampling
DA Converter 4 DAC System
Pick-up Type Astigma 3-Beam
Light Source Semiconductor Laser
Wave Length 790 nm
Frequency Response 20Hz-20kHz (±1dB)
Signal to Noise Ratio 96dB
Total Harmonic Distortion 0.01% (1kHz)
Wow and Flutter Below Measurable Limits
Channel Separation 75dB
Dimensions (W×H×D)** 7”×1-15/16”×6-1/8”
(178×50×155mm)
Weight** 3 lbs. 8oz (1.6 kg)
* Specifications and the design are subject to possible modification
without notice due to improvements.
** Dimensions and Weight shown are approximate.
** Above specifications comply with EIA standards.
AUTOMOTIVE AFTERMARKET
Specifications*
ORDER NO. ACED051226C1
C4