Read Panasonic CQ-CK2303W Service Manual online
General
Power Supply
DC 12V (11V - 16V),
Test Voltage 14.4V
Negative Ground
Current Consumption
Less than 2.1A (CD mode, 0.5W
4-channels)
4-channels)
Maximum Power Output
50W × 4 (at 1kHz)
Volume control maximum
Power Output
18W×4ch (1kHz, 1%, 4
Ω
)
Tone Adjustment Range
Bass : ±12dB (at 100Hz)
Treble : ±12dB (at 10kHz)
Space Mode
6 mode
Speaker Impedance
4 - 8
Ω
Pre-Amp Output Voltage
2.5V (CD mode, 1kHz, 0dB)
Pre-Amp Output Impedance
200
Ω
Front AUX (AUX1/2) Input
Input Impedance
10k
Ω
owable external input
2.0V
Connector (AUX1)
3.5 mm Stereo mini-pin
FM Stereo Radio
Frequency Range
87.50MHz - 108.00MHz
Usable Sensitivity
6dB/µV (S/N 30dB)
Frequency Response
30Hz - 15kHz (±3dB)
Alternate Channel Selectivity
75dB
Stereo Separation
35dB (1kHz)
CQ-CK2303W
Dual DIN CD/Cassette Receiver with
DSP
DSP
Image Rejection Ratio
70dB
IF Rejection Ratio
100dB
Signal to Noise Ratio
62dB
AM Radio
Frequency Range
531kHz - 1 602kHz
Usable Sensitivity
28dB/µV (S/N 20dB)
CD Player
Sampling Frequency
8 times Oversampling
DA Converter
1bit DAC System
Pick-Up Type
Astigma 3-beam
Light Source
Semiconductor Laser
Wave Length
790nm
Frequency Response
20Hz to 20kHz (±1dB)
Signal to Noise Ratio
90dB
Total Harmonic Distortion
0.01% (1kHz)
Wow and Flutter
Below measurable limits
Channel Separation
75dB
Cassette Tape Player
Reproduction System
4-track, 2-program stereo
Tape Speed
4.76 cm/sec
Fast Foward Time
100 sec (C-60)
Rewind Time
100 sec (C-60)
Wow and Flutter
0.07 % (WRMS)
AUTOMOTIVE AFTERMARKET
Specifications*
ORDER NO.ACED060948C3
Signal to Noise Ratio
Dolby B NR OFF 56dB (IHF, A)
Dolby B NR ON 66dB (IHF, A)
Frequency Response
30Hz - 18kHz (normal tape)
30Hz - 20kHz (metal tape)
Dimensions** (W × H × D)
178 × 100 × 160 mm
Weight**
2.1 kg
1
ABOUT LEAD FREE SOLDER (PbF)
3
2
LASER PRODUCTS
3
3
FEATUERS
3
4
REPLACING THE FUSE
3
5
MAINTENANCE
3
6
NOTES
3
7
DIMENSIONS
3
8
WIRING CONNECTION
4
9
TERMINALS DESCRIPTION
5
10 RE-ASSEMBLY PROCEDURE for REEL PWB ASS´Y
7
11 PACKAGE AND IC BLOCK DIAGRAM
8
* Specifications and the design are subject to possible modification
without notice due to improvements.
without notice due to improvements.
** Dimensions and Weight shown are approximate.
•
•
•
•
Above specifications comply with EIA standards.
12 REPLACEMENT PARTS LIST
12
13 EXPLODED VIEW (Unit)
19
14 TAPE PLAYER PARTS LIST
20
15 EXPLODED VIEW (Tape Deck)
21
16 CD PLAYER PARTS LIST
22
17 EXPLODED VIEW (CD Deck)
25
18 WIRING DIAGRAM
26
19 SCHEMATIC DIAGRAM
35
20 BLOCK DIAGRAM
41
21 SCHEMATIC DIAGRAM for Printing with A4 Size
43
CONTENTS
Page
Page
2
CQ-CK2303W
1 ABOUT LEAD FREE
SOLDER (PbF)
Distinction of PbF PCB:
PCBs (manufactured) using lead free solder will have a PbF
stamp on the PCB.
stamp on the PCB.
Caution :
•
•
•
•
Pb free solder has a higher melting point than standard
solder; Typically the melting point is 50 - 70°F (30 -
40°C)
solder; Typically the melting point is 50 - 70°F (30 -
40°C)
higher.
Please
use
a
soldering
iron
with
temperature control and adjust it to 700 ± 20°F (370 ±
10°C). In case of using high temperature soldering iron,
please be careful not to heat too long.
10°C). In case of using high temperature soldering iron,
please be careful not to heat too long.
•
•
•
•
Pb free solder will tend to splash when heated too high
(about 1100°F/600°C)
(about 1100°F/600°C)
•
•
•
•
This lead free solder will be used for the products after
serial No. 1,000,001.
serial No. 1,000,001.
2 LASER PRODUCTS
3 FEATUERS
•
•
•
•
Large-sized volume control
•
•
•
•
DSP (Digital Signal Processor)
•
•
•
•
One AUX input terminal equipped on each of front and rear
sides of this unit
sides of this unit
4 REPLACING THE FUSE
Use fuses of the same specified rating (15amps). Using
different substitutes or fuses with higher ratings, or connecting
the product directly without a fuse, could cause fire or damage
to the stereo unit.
different substitutes or fuses with higher ratings, or connecting
the product directly without a fuse, could cause fire or damage
to the stereo unit.
5 MAINTENANCE
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.
minimum of maintenance. Use a dry, a soft cloth for routine
exterior cleaning. Never use benzine, thinner or other solvents.
6 NOTES
[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.
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.
7 DIMENSIONS
3
CQ-CK2303W
8 WIRING CONNECTION
4
CQ-CK2303W