Panasonic CQ-C8305U

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
Equlizer 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 4-8Ω
Pre-amp Output Voltage 2.5V (CD mode; 1kHz, 0dB)
Subwoofer Output Voltage 2.5V (CD mode; 1kHz, 0dB)
Pre-amp Output Impedance 200Ω
Subwoofer Output Impedance 200Ω
FM Stereo Radio
Frequency Range 87.9MHz - 107.9MHz
Usable Sensitivity 10.2dBf. (0.9µV, 75Ω)
50dB Quieting Sensitivity 15.2dBf. (1.6µV, 75Ω)
Frequency Response 30Hz-15kHz (±3dB)
Alternate Channel Selectivity 75dB
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
© 2006 Matsushita Electric Industrial Co., Ltd. All
rights reserved. Unauthorized copying and
distribution is a violation of law.
CQ-C8305U
WMA MP3 AAC CD Player/Receiver
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 20 Hz-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. ACED061216C7
C4

Panasonic CQ-C8305U Specifications

General

Type	Car Receiver
Brand	Panasonic
Model	CQ-C8305U
Channels	4
Tuner	AM/FM
AM/FM Presets	18 FM / 6 AM
CD Player	Yes
CD-R Playback	Yes
CD-RW Playback	Yes
MP3 Playback	Yes
WMA Playback	Yes
AAC Playback	No
USB Port	No
Bluetooth	No
Faceplate Security	No
Detachable Faceplate	Yes
Display	Yes
Display Type	LCD
Remote Control	No
Auxiliary Input	Yes
HD Radio	No
Satellite Radio Ready	No
DIN Size	1 DIN
Max Power Output	50 Watts x 4
RMS Power Output	22W x 4

Summary

Specifications

Features, Maintenance, and Notes

Product Features and Fuse Replacement

Lists system features, optional accessories, and fuse replacement.

Maintenance and Operational Notes

Guidelines for cleaning and specific operational notes for blocks.

Wiring Connection Diagram

Block Diagrams

Main-1 Block Diagram

Shows the primary signal flow of the audio system's main block.

Disassembly and Installation Procedures

Flexible PCB Removal

Step-by-step guide to remove the flexible PCB.

Main PCB Installation

Procedure for installing the main PCB to prevent damage.

Terminal and IC Block Descriptions

Main Block Terminal Assignments

Detailed pin assignments and functions for the main CPU.

Main Block IC Structures

Illustrates the internal structure of key ICs in the main block.

Parts Lists and Exploded Views

Packing and Replacement Parts Lists

Lists items in packaging and all replaceable components.

Assembly Breakdowns

Visual breakdown of the unit and CD player assembly.

Diagrams: Wiring and Schematics

Wiring Diagrams

Shows wiring layout for the main and sub blocks.

Schematic Diagrams

Electrical schematics detailing various blocks of the circuit.