Panasonic CQ-R223W Cassette Player User Manual


 
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CQ-R223W
29
Specifications
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.
General
Power Supply : 12 V DC (11 V 16 V) Test Voltage 14.4 V, Negative ground
Maximum Power Output : 50 W
× 4 (at 4)
Tone Action : Bass ; ± 12 dB at 100 Hz
Treble; ± 12 dB at 10 kHz
Current Consumption : Less than 2.5 A (tape mode, 0.5 W 4-speaker)
Pre-Amp Output Voltage : 2.0 V (CD Play mode; 1kHz 0 dB)
Speaker Impedance : 4 (4 - 8 acceptable)
Dimensions : 178(W)
× 50(H) × 155(D) mm
Weight : 1.4 k
g
AM Radio
Frequency Range : 531 1 602 kHz
Useable Sensitivity : 28 dB µV (S/N 20 dB)
FM Stereo Radio
Frequency Range : 87.5 - 108.0 MHz
Useable Sensitivity : 13.2 dB µV (S/N 30 dB)
Stereo Separation : 35 dB (at 1 KHz)
Tape Player
Reproduction System : 4-track, 2-program stereo
Tape Speed : 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.
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Troubleshooting (continued)
CQ-R223W
28
Trouble
Much noise in FM stereo
and monaural
broadcasts.
The antenna ground lead is not connected properly.
Connect the antenna ground lead properly.
Preset station is reset.
Battery cable is not correctly connected.
Connect the battery cable to the terminal that is always active.
The radio antenna is not extended enough.
Extend fully the radio antenna.
Cause/Step
Radio
Trouble
No sound.
Blank tape is inserted in the unit.
Insert recorded tape into the unit.
Tape sound quality is
poor.
Heads are dirty.
Clean heads. (Ask a service representative for advice.)
Poor quality tape.
Use better quality tape.
High tones are
improperly emphasized.
Dolby B NR tape plays with Dolby B NR off.
Set Dolby B NR to ON.
Metal type tape plays with normal mode.
Change Normal mode to Metal mode.
Reproduction of high
tones is poor.
Non-Dolby B NR tape plays with Dolby B NR on.
Set Dolby B NR to OFF.
Normal type tape plays with Metal mode.
Change Metal mode to Normal mode.
Heads are magnetized.
Demagnetize heads. (Ask a service representative for advice.)
Wow and flutter level is
very high.
Tape running mechanism is dirty or out of order.
Clean tape running mechanism, or repair it. (Ask a service
representative for advice.)
Cause/Step
Cassette Tape
Trouble
Buttons are invalid for
operation.
Battery poles (+) () are reversed.
Insert the battery correctly.
Wrong battery.
Check the battery.
Battery has run down.
Replace the battery.
Remote control is in the wrong direction.
Direct the remote control at sensor (REMOTE) on the panel.
Cause/Step
Remote Control