Panasonic CQC9800U - AUTO RADIO/CD DECK, Service Manual

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General
Power Supply DC 12V (11V-16V),
Test Voltage 14.4V
Negative Ground
Current Consumption Less than 2.2A / (CD mode; 0.5W ×
4-speaker)
Maximum Power Output
<CQ-C9800U> 70W × 4(at 1kHz) / Volume Control
Maximum
<CQ-C9700U> / 60W × 4(at 1kHz) / Volume Control
Maximum
Tone Adjustment Range Bass: ±28dB at 20Hz / Treble: ±
20dB at 20kHz
Equalizer Center Frequency 62.5Hz, 125Hz, 250Hz, 500Hz, /
1kHz, 2kHz, 4kHz, 8kHz,16kHz
(default)
Variable Range of Equalizer -12dB to 12dB (2dB step)
Speaker Impedance 4 - 8
Pre-amp Output Voltage 5V (CD mode; 1kHz, 0dB)
Subwoofer Output Voltage 5V
Pre-amp Output Impedance 60
Subwoofer Output
Impedance
60
External Input Impedance 10k (AUX IN)
External Input Sensitivity MAX. 2V (AUX IN)
FM Stereo Radio
Frequency Range 87.9MHz - 107.9MHz
Usable Sensitivity
13.2dBf (1.26 V, 75 )
50dB Quieting Sensitivity
19.2dBf. (2.51 V, 75 )
Frequency Response 30Hz-15kHz (±3dB)
Alternate Channel
Selectivity
75dB
Stereo Separation 40dB (1kHz)
Image Response Ratio 75dB
IF Response Ratio 100dB
Signal to Noise Ratio 62dB
AM Radio
Frequency Range 530kHz - 1,710kHz
Usable Sensitivity
25dB/ V (11V, S/N 20dB)
CD Player
Sampling Frequency 8 Times Oversampling
Pick-up Type Astigma 3-Beam
Light Source Semiconductor Laser
Wave Length 780 nm
Frequency Response 20 Hz-20kHz (±1dB)
Signal to Noise Ratio 106dB
Total Harmonic Distortion 0.01% (1kHz)
Wow and Flutter Below Measurable Limits
Channel Separation 86dB
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