Kenwood KVT-725DVD Car Video System User Manual


 
English 91
Troubleshooting Guide
English
90 English
Specifications subject to change without notice.
Monitor Section
Picture size..............................................6.95 inches wide
154.1(W)×87.1(H)mm
Display system ........................Transparent TN LCD panel
Drive system..............................TFT active matrix system
Number of pixels....................336,960 (480H×234V×RGB)
Effective pixels......................................................99.99%
Pixel arrangement......................RGB striped arrangement
Back lighting ....................Cold Cathode Fluorescent Tube
DVD Section
D/A Converter............................................................24Bit
Decorder............Linear PCM/Dolby digital/dts/MP3/WMA
Wow & Flutter ............................Below Measurable Limit
Frequency response
(Sampling frequency;96k) ........................20~44,000Hz
(Sampling frequency;48k) ........................20~22,000Hz
(Sampling frequency;44.1k)......................20~20,000Hz
Total harmonic distortion (1k)................................0.010%
Signal to Noise ratio..................................95dB (DVD 96k)
Dynamic range..........................................90dB (DVD 96k)
DISC Format........................DVD-Video/VIDEO-CD/CD-DA
Sampling frequency........................44.1kHz/48kHz, 96kHz
Quantifying bit number ....................................16/20/24bit
FM Tuner section
Frequency range (50kHz)..........................87.5~108.0MHz
Usable sensitivity (S/N=26dB) ..........................0.7µV/75
Quieting sensitivity (S/N=46dB)........................1.6µV/75
Frequency response (±3.0dB) ......................30Hz~15kHz
S/N (dB) (MONO) ......................................................65dB
Selectivity (±400kHz)..............................................80dB
Stereo separation............................................37dB (1kHz)
LW Tuner section
Frequency range (9kHz) ..........................153kHz~281kHz
Usable sensitivity ....................................................28dBµ
MW Tuner section
Frequency range (9kHz) ........................531kHz~1611kHz
Usable sensitivity ....................................................28dBµ
Video secetion
Color system of external video input ................NTSC/PAL
External video input level (RCA jacks) ..............1Vp-p/75
External audio max input level(RCA jacks)............1V/22k
Analog RGB input ..........................................0.7Vp-p/75
Audio secetion
Maximum Power (Front&Rear) ..............................50W×4
Output power (Front&Rear)
(DIN 45324, +B=14.4V) ......................................30W×4
Preout level (V) ....................................................5V/10k
Preout impedance ......................................................80
Tone action
Bass........................................................100 Hz ±10 dB
Middle ......................................................1 kHz ±10 dB
Treble......................................................10 kHz ±10 dB
General
Operating voltage....................................14.4V (11V~16V)
Current consumption ..................................................15A
Dimensions (W×H×D)
Main Unit Installation ..............182mm×53mm×165mm
Hideaway unit..........................265mm×30mm×195mm
Operational temperature range ......................-10°C~60°C
Storage temperature range ............................-20°C~85°C
Weight: Main unit......................................................2.2kg
Weight: Hideaway unit..............................................1.4kg
Specifications
Although the effective pixels for the liquid crystal panel is given as 99.99% or more, 0.01% of pixels may not light or may
light incorrectly.
MP3/WMA source
Cannot play an MP3/WMA.
The media is scratched or dirty.
The sound skips when an MP3/WMA is being played.
The media is scratched or dirty.
The recording condition is bad.
The MP3/WMA track time isn’t displayed correctly.
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Can’t display the ID3 tag information correctly.
Record is not made in conformity with the ID3 tag
version 1.x.
The following messages are displayed when certain problems are occurring in your system. Take
the recommended actions.
Hot Error The protective circuit in the unit activates when the temperature inside the unit exceeds 60°C
(140°F), stopping all operation.
]
Cool down the unit by opening the windows or turning on the air conditioner. As the
temperature falls below 60°C (140°F), the disc will start playing again.
Hold Error The protective circuit in the unit activates when the temperature inside the automatic disc
changer exceeds 60°C (140°F), stopping all operation.
]
Cool down the unit by opening the windows or turning on the air conditioner. As the
temperature falls below 60°C (140°F), the disc will start playing again.
Mecha Error The disc player is malfunctioning.
]
Eject the disc and try inserting it again. Contact the Kenwood dealer if this indicator continues
blinking or the disc cannot be ejected.
Disc Error The unplayable discs is inserted.
Read Error The disc is upside-down.
]
Load the disc with the labeled side up.
The disc is quite dirty.
]
Clean the disc, referring to the section on "Disc cleaning" (see page 6).
Region code Error The DVD software encoded for other region code.
Parental level Error The parental level is set to high levels.
Error 07 — 67 The unit is malfunctioning for some reason.
]
Press the reset button on the unit. If the "Error ##" code does not disappear, consult your
nearest service center.
Clean the media, referring to the CD cleaning of the
section on <About discs> (see page 6).
Clean the media, referring to the CD cleaning of the
section on <About discs> (see page 6).
Record the media again or use another media.
There are times when it isn’t displayed correctly according
to the MP3/WMA recording conditions.
Record in conformity with the ID3 tag version 1.x.
Also, the display may be incorrect if an MP3 file uses the
ID3 tag v1.x standard and if this standard has been
expanded after production of the machine software.