Audiovox MMD70 Installation Manual - Page 29

P. Specification Disc format: DVD/CD/MP3 Color system: NTSC/PAL Screen size: 7" 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: 30 W Operating temperature: 5~35°C Storage temperature: -20~60°C (4~140°F) Operating humidity: 10~75% Dimensions (W x H x D): 223 x 165 x 50 mm (8.78" x 6.5" x 1.97") Q. Troubleshooting: SYMPTOM: REMEDY: No power at Video Monitor -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. Power but no video or sound -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 videotape). Verify connections at both ends of the harness. Picture, but no sound -Verify that the headphones are turned on; check headphone batteries. -Verify that power is available to the FM Modulator; make sure the modulator and the vehicle radio are tuned to the FM station. 29