Read Panasonic CQ-C7703N / CQ-C7303N Service Manual online
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
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)
(CD mode; 0.5W × 4-speaker)
Maximum Power Output
70W × 4 (CQ-C7703N, at 1kHz)
Maximum Power Output
50W × 4 (CQ-C7303N, at 1kHz)
Power Output
40W × 4 (CQ-C7703N, DIN 45 324, at
4
4
Ω
)
Power Output
23W × 4 (CQ-C7303N, DIN 45 324, at
4
4
Ω
)
Speaker Impedance
4 - 8
Ω
Pre-amp Output Voltage
2.5V (CD mode; 1kHz, 0dB)
Subwoofer Output Voltage
2.5V (CD mode; 1kHz, 0dB)
Pre-amp Output Impedance
200
Ω
Subwoofer Output Impedance 200
Ω
FM Stereo Radio
Frequency Range
87.5MHz - 108MHz
Usable Sensitivity
6 dB/µV (S/N 30dB)
Stereo Separation
35dB (at 1kHz)
AM (MW) Radio
Frequency Range
531kHz - 1,602kHz
CQ-C7703N
CQ-C7303N
CQ-C7303N
WMA MP3 CD Player/Receiver
Usable Sensitivity
28dB/µV (S/N 20dB)
AM (LW) Radio
Frequency Range
153kHz - 279kHz
Usable Sensitivity
32dB/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
85dB
Dimensions (W×H×D)**
178×50×155mm
Weight**
1.7 kg (CQ-C7703N)
1.6 kg (CQ-C7303N)
* 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.
AUTOMOTIVE AFTERMARKET
Specifications*
ORDER NO. ACED060105C8
1
ABOUT LEAD FREE SOLDER (PbF)
3
2
FEATUERS
3
3
REPLACEING THE FUSE
3
4
MAINTENANCE
3
5
NOTES
3
6
DIMENSIONS
3
7
LASER PRODUCTS
3
8
WIRING CONNECTION
4
9
DISASSEMBLY INSTRUCTIONS
6
10 TERMINALS DESCRIPTION
9
11 IC BLOCK DIAGRAM
13
12 REPLACEMENT PARTS LIST [CQ-C7703N]
15
13 EXPLODED VIEW (Unit) [CQ-C7703N]
22
14 REPLACEMENT PARTS LIST [CQ-C7303N]
23
15 EXPLODED VIEW (Unit) [CQ-C7303N]
29
16 CD PLAYER PARTS LIST
30
17 EXPLODED VIEW (CD PLAYER)
33
18 WIRING DIAGRAM
34
19 SCHEMATIC DIAGRAM-1
42
20 SCHEMATIC DIAGRAM-2
43
21 BLOCK DIAGRAM
51
CONTENTS
Page
Page
2
CQ-C7703N / CQ-C7303N
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 FEATUERS
•
•
•
•
Hands Free Phone System. (The optional Bluetooth hands-
free kit: CY-BT100N)
free kit: CY-BT100N)
•
•
•
•
Expansion Module (The optional Hub unit: CY-EM100N)
•
•
•
•
The optional adapter allows you to connect the optional
Panasonic DVD changer unit (CX-DH801N).
Panasonic DVD changer unit (CX-DH801N).
•
•
•
•
The optional adapter allows you to connect the optional
Panasonic CD changer unit (CX-DP880).
Panasonic CD changer unit (CX-DP880).
•
•
•
•
The optional adapter allows you to connect the optional
iPod
iPod
®
series.
•
•
•
•
SQ (Sound Quality).
•
•
•
•
SQ7 (7-Band Sound Quality).
•
•
•
•
Customize the Display (Customize Function)
•
•
•
•
MP3/WMA Playback from CD-R/RW.
•
•
•
•
This manual is for 2 models CQ-C7703N and CQ-C7703N.
The following table describes the differences between 2
models.
The following table describes the differences between 2
models.
3 REPLACEING THE FUSE
Use fuses of the same specified rating 15 amps. 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.
substitutes or fuses with higher ratings, or connecting the unit
directly without a fuse, could cause fire or damage to the stereo
unit.
4 MAINTENANCE
Your products is designed and manufactured to ensure a
minimum of maintenance. Use a soft cloth for routine exterior
cleaning. Never use benzine, thinner or other solvent.
minimum of maintenance. Use a soft cloth for routine exterior
cleaning. Never use benzine, thinner or other solvent.
5 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
6 DIMENSIONS
7 LASER PRODUCTS
3
CQ-C7703N / CQ-C7303N
8 WIRING CONNECTION
8.1. CQ-C7703N
4
CQ-C7703N / CQ-C7303N