Справочник Пользователя для Panasonic cq-r223wa
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CQ-R223WA
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.
“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
Ω
)
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
Ω
(4 - 8
Ω
acceptable)
Dimensions
: 178(W)
×
50(H)
×
155(D) mm
Weight
: 1.4 kg
❏ 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)
: 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)
: 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-R223WA
28
Trouble
Much noise in FM stereo
and monaural
broadcasts.
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.
poor.
Heads are dirty.
➡
Clean heads. (Ask a service representative for advice.)
Poor quality tape.
➡
Use better quality tape.
High tones are
improperly emphasized.
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.
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.
very high.
Tape running mechanism is dirty or out of order.
➡
Clean tape running mechanism, or repair it. (Ask a service
representative for advice.)
representative for advice.)
Cause/Step
❐ Cassette Tape
Trouble
Buttons are invalid for
operation.
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