Audiovox 128-7744 Car Video System User Manual


 
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Q. Specification
Disc format: DVD/CD/MP3
Color system: NTSC/PAL
Screen size: 8”
Resolution: 1440 x 234
Frequency response: 20 Hz to 20 kHz
Video output: 1 Vp-p/75 Ohm, unbalanced
Audio output: 1.4Vrms/10kOhm
Audio S/N: Better than 60 dB
Dynamic range : Better than 85 dB
Laser: Semiconductor Laser, Wave Length: 650 nm/790 nm
Power source: DC 12V
Power consumption: 2.5 Amps
Operating temperature: 5~45°C
Storage temperature: -20~60°C (4~140°F)
Dimensions (L x W x D): 282 x 165 x 50 mm (11.1” x 6.5” x 1.97”)
R. Troubleshooting:
No power at Video Monitor
Power but no video or
sound
Picture, but no sound
REMEDY:
-Verify +12 VDC on Red wire at 2 pin Power
Harness behind video monitor. Verify
ground connection with continuity test from
known good ground to black wire at 2 pin
Power Harness.
-Verify that the correct source is selected
(i.e.: DVD, AV1 or AV2). Verify that the
source is on and playing a known good
media (such as a DVD). Verify connec-
tions at both ends of the harness.
-Verify that the headphones are turned on;
check headphone batteries.
-Verify that power is available to the FM
Modulator; make sure the FM modulator
and the vehicle radio are set to the
same FM station.
SYMPTOM: