Electrical Connections - Panasonic CQ-R253U Operating Instructions Manual

Electrical Connections

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Preparation:
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• This unit can be connected to an optional CD changer (CX-DP880U). For details consult your nearest panasonic
19 servicenter.
• For connection to a CD changer, refer to the operating instructions of the CD Changer (CX-DP880U).
Cautions:
• To prevent damage to the unit, be sure to follow the connection diagram below.
• Remove the covering of the leads about 5 mm long from their end before connecting.
• Do not insert the power connector into the unit until the wiring is completed.
• Be sure to insulate any exposed wires from a possible short-circuit from the car chassis. Bundle all cables and
keep cable terminals free from touching any metal parts.
Schéma de câblage
Extension Cord
Supplied for an optional CD changer
(DIN/BATT/RCA/GND)
BATTERY
(L)
RCA Cord
(White)
(Red)
(R)
DIN Cord
Antenna
PREAMP OUT CONNECTOR (Rear)
White
Left
White/black stripe
Front
Gray
Right
Gray/black stripe
Green
Left
Green/black stripe
Rear
Violet
Right
Violet/black stripe
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CQ-R253U
CD Changer
CX-DP880U
(option)
Fuse(3A)
Ground Lead
To a clean, bare metallic
part of your car
Battery Lead
To the car battery, continuous
+12V DC
CD Changer
Control Connector
Fuse (15 A)
CQ-R253U
If the fuse (rear panel) blows
frequently, they may be
CD•C IN
something wrong with the unit.
L(White)
Consult your nearest Panasonic
R(Red)
Service Centre for servica.
Power
Connector
External Amplitier
Blue/white stripe Control Power Lead
To an external amplitier
Front speaker lead
Note: This lead is used for power
control when an external power
amplifier is connected. The power
FRONT SP
supply of a power amplifier will be
activated when turning on
the power of this unit.
Not Used
Blue
Ground lead
Black (To a clean, bare metallic
part of the car chassis.)
BATTERY 15A Battery lead
Rear speaker lead
(To the car battery,
Yellow
continuous +12 V DC)
REAR SP
ACC power lead
ACC
(To ACC power, +12 V DC)
Red
Specifications
General
Power Supply: 12 V DC (11 V – 16 V) Test Voltage 14.4 V, Negative ground
50 W × 4 channels at 400 Hz, Volume Control maximum
Maximum Power Output:
Tone adjustment range:
Bass: ± 12 dB at 100 Hz
Treble: ± 12 dB at 10 kHz
Less than 2 A (tape mode, 0.5 W × 4 chanels)
Current Consumption:
Pre-Amp Output Voltage: 2.0 V (CD Play mode; 1kHz, 0 dB)
4 - 8 Ω
Suitable speaker impedance:
Dimensions (W × H × D): 7" × 1-15/16" × 6-1/10" (178 × 50 × 155 mm)
Weight: 3 lbs. 1 oz (1.4 kg)
AM Radio
Frequency Range: 530 – 1 710 kHz
Useable Sensitivity: 28 dBµV (25 µV, S/N 20 dB)
FM Stereo Radio
Frequency Range: 87.9 - 107.9 MHz
13.2 dBf. (1.25 µV, 75 Ω)
Useable Sensitivity:
15.2 dBf. (1.6 µV, 75 Ω)
50 dB Quieting Sensitivity:
Frequency Response: 30 - 15 000 Hz (±3 dB)
Capture Ratio: 1.5 dB
Alternate Channel Selectivity: 75 dB
Stereo Separation: 35 dB (1 kHz)
Image Response Ratio: 65 dB
IF Response Ratio: 100 dB
Signal/Noise Ratio: 70 dB
Tape Player
Reproduction System: 4-track, 2-program stereo
Tape Speed: 1-7/8"/sec (4.76 cm/sec)
FF/REW Time: Less than 110 sec (C-60)
Frequency Response: 35 - 14 000 Hz ±3 dB (normal)
35 - 17 000 Hz ±3 dB (metal)
Wow and Flutter: 0.12 % (WRMS)
Signal/Noise Ratio: 52 dB (Dolby B NR OFF)
62 dB (Dolby B NR ON)
Note: Specifications and design are subject to modification without notice due to improvements in technology.
Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation.
"DOLBY" and the double-D symbol A are trademarks of Dolby Laboratories Licensing Corporation.
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